boomkat.com - robtex.com

boomkat.com

DNSSEC⚠️ Not signed
A2606:4700:10::6814:2341πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:10::ac42:934eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.20.35.65Cloudflare104.20.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.66.147.78πŸ‡ΊπŸ‡Έ Cloudflare172.66.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSigor.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b77πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
A2803:f800:50::6ca2:c177πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRigor.ns.cloudflare.com
A2a06:98c1:50::ac40:2177πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRigor.ns.cloudflare.com
A108.162.193.119πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
A172.64.33.119πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
A173.245.59.119πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
NSnina.ns.cloudflare.com
A2606:4700:50::adf5:3a88πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A2803:f800:50::6ca2:c088πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnina.ns.cloudflare.com
A2a06:98c1:50::ac40:2088πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRnina.ns.cloudflare.com
A108.162.192.136πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A172.64.32.136πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A173.245.58.136πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27πŸ‡ΊπŸ‡Έ Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(10)
A2607:f8b0:4003:c30::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26πŸ‡ΊπŸ‡Έ Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(20)
A2607:f8b0:4024:c0d::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26πŸ‡ΊπŸ‡Έ Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(20)
A2607:f8b0:4023:403::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27πŸ‡ΊπŸ‡Έ Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTgoogle-site-verification=KADRsiR6_zp7Rjw2Y5oJFPDKxUSzSG7vhpaY4LSWb1w
TXTv=spf1 include:servers.mcsv.net include:_spf.google.com include:spf.mandrilla...
SOAigor.ns.cloudflare.comdns@cloudflare.com serial=2397349941

com

rank #46338 globally
rank #20896 in the tld
WOT: SAFE (87/100)
πŸ“ˆ Tranco rank: #131,885

Subdomains

Same first word

Similar names

DNS History

56 records (11 active, 45 former)

20162017201820192020202120222023202420252026NSigor.ns.cloudflare.comnina.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA104.20.35.65172.66.147.782606:4700:10::6814:23412606:4700:10::ac42:934e104.20.41.241104.20.42.241104.22.10.238104.22.11.238172.67.22.124176.34.141.952400:cb00:2048:1::6814:29f12400:cb00:2048:1::6814:2af12606:4700:10::6816:aee2606:4700:10::6816:bee2606:4700:10::ac43:167c52.16.133.9252.16.89.3852.17.41.552.17.75.14952.18.129.3752.18.154.16952.19.211.2452.19.56.16152.210.203.12452.214.67.12252.30.104.13952.31.104.10552.31.47.5252.49.255.5952.49.27.20854.154.18.22054.154.208.7754.154.8.22454.171.189.24954.194.142.18854.194.206.1054.194.208.21054.246.137.8654.72.0.24054.72.250.11254.72.42.23054.76.159.11354.77.101.7854.77.196.8084.40.39.151
●NSigor.ns.cloudflare.com2015-06-23 β†’ 2026-03-19 Β· 2 obs
● 2015-06-23 02:38:52
● 2026-03-19 09:54:20
●NSnina.ns.cloudflare.com2015-06-23 β†’ 2026-03-19 Β· 2 obs
● 2015-06-23 02:38:52
● 2026-03-19 09:54:20
●MXalt1.aspmx.l.google.com2015-06-23 β†’ 2026-03-19 Β· 2 obs
● 2015-06-23 02:38:52
● 2026-03-19 09:54:20
●MXalt2.aspmx.l.google.com2015-06-23 β†’ 2026-03-19 Β· 2 obs
● 2015-06-23 02:38:52
● 2026-03-19 09:54:20
●MXalt3.aspmx.l.google.com2021-06-04 β†’ 2026-03-19 Β· 3 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
● 2026-03-19 09:54:20
●MXalt4.aspmx.l.google.com2021-06-04 β†’ 2026-03-19 Β· 3 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
● 2026-03-19 09:54:20
●MXaspmx.l.google.com2015-06-23 β†’ 2026-03-19 Β· 2 obs
● 2015-06-23 02:38:52
● 2026-03-19 09:54:20
β—‹MXaspmx2.googlemail.com2015-06-23 β†’ 2018-09-02 Β· 4 obs
● 2015-06-23 02:38:52
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
β—‹MXaspmx3.googlemail.com2015-06-23 β†’ 2018-09-02 Β· 4 obs
● 2015-06-23 02:38:52
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
β—‹MXaspmx4.googlemail.com2015-06-23 β†’ 2018-09-02 Β· 4 obs
● 2015-06-23 02:38:52
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
β—‹MXaspmx5.googlemail.com2015-06-23 β†’ 2018-09-02 Β· 4 obs
● 2015-06-23 02:38:52
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
●A104.20.35.652026-02-27 β†’ 2026-03-19 Β· 3 obs
β—‹ 2021-06-04 02:57:32
● 2026-02-27 05:39:06
● 2026-03-19 09:54:20
β—‹A104.20.41.2412018-09-02 β†’ 2018-09-02 Β· 4 obs
β—‹ 2017-02-15 10:09:56
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
β—‹A104.20.42.2412018-09-02 β†’ 2018-09-02 Β· 4 obs
β—‹ 2017-02-15 10:09:56
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
β—‹A104.22.10.2382021-06-04 β†’ 2021-06-04 Β· 4 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
β—‹ 2026-02-27 05:39:06
β—‹ 2026-03-19 09:54:20
β—‹A104.22.11.2382021-06-04 β†’ 2021-06-04 Β· 4 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
β—‹ 2026-02-27 05:39:06
β—‹ 2026-03-19 09:54:20
●A172.66.147.782026-02-27 β†’ 2026-03-19 Β· 3 obs
β—‹ 2021-06-04 02:57:32
● 2026-02-27 05:39:06
● 2026-03-19 09:54:20
β—‹A172.67.22.1242021-06-04 β†’ 2021-06-04 Β· 4 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
β—‹ 2026-02-27 05:39:06
β—‹ 2026-03-19 09:54:20
β—‹A176.34.141.952015-10-09 β†’ 2015-10-09 Β· 4 obs
β—‹ 2015-06-23 02:38:52
● 2015-10-09 05:31:40
β—‹ 2015-10-30 21:11:46
β—‹ 2026-03-19 09:54:20
β—‹A2400:cb00:2048:1::6814:29f12018-09-02 β†’ 2018-09-02 Β· 4 obs
β—‹ 2017-02-15 10:09:56
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
β—‹A2400:cb00:2048:1::6814:2af12018-09-02 β†’ 2018-09-02 Β· 4 obs
β—‹ 2017-02-15 10:09:56
● 2018-09-02 10:19:44
β—‹ 2021-06-04 02:57:32
β—‹ 2026-03-19 09:54:20
●A2606:4700:10::6814:23412026-02-27 β†’ 2026-03-19 Β· 3 obs
β—‹ 2021-06-04 02:57:32
● 2026-02-27 05:39:06
● 2026-03-19 09:54:20
β—‹A2606:4700:10::6816:aee2021-06-04 β†’ 2021-06-04 Β· 4 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
β—‹ 2026-02-27 05:39:06
β—‹ 2026-03-19 09:54:20
β—‹A2606:4700:10::6816:bee2021-06-04 β†’ 2021-06-04 Β· 4 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
β—‹ 2026-02-27 05:39:06
β—‹ 2026-03-19 09:54:20
●A2606:4700:10::ac42:934e2026-02-27 β†’ 2026-03-19 Β· 3 obs
β—‹ 2021-06-04 02:57:32
● 2026-02-27 05:39:06
● 2026-03-19 09:54:20
β—‹A2606:4700:10::ac43:167c2021-06-04 β†’ 2021-06-04 Β· 4 obs
β—‹ 2018-09-02 10:19:44
● 2021-06-04 02:57:32
β—‹ 2026-02-27 05:39:06
β—‹ 2026-03-19 09:54:20
β—‹A52.16.133.922016-08-31 β†’ 2016-08-31 Β· 4 obs
β—‹ 2016-04-11 15:01:42
● 2016-08-31 13:04:52
β—‹ 2016-09-27 06:35:22
β—‹ 2026-03-19 09:54:20
β—‹A52.16.89.382015-12-10 β†’ 2016-01-17 Β· 5 obs
β—‹ 2015-12-06 13:21:44
● 2015-12-10 08:49:56
● 2016-01-17 16:55:24
β—‹ 2016-03-08 02:38:36
β—‹ 2026-03-19 09:54:20
β—‹A52.17.41.52016-04-11 β†’ 2016-04-11 Β· 4 obs
β—‹ 2016-03-08 02:38:36
● 2016-04-11 15:01:42
β—‹ 2016-08-31 13:04:52
β—‹ 2026-03-19 09:54:20
β—‹A52.17.75.1492015-10-30 β†’ 2015-11-01 Β· 5 obs
β—‹ 2015-10-09 05:31:40
● 2015-10-30 21:11:46
● 2015-11-01 10:35:22
β—‹ 2015-11-12 12:57:32
β—‹ 2026-03-19 09:54:20
β—‹A52.18.129.372016-03-08 β†’ 2016-03-08 Β· 4 obs
β—‹ 2016-01-17 16:55:24
● 2016-03-08 02:38:36
β—‹ 2016-04-11 15:01:42
β—‹ 2026-03-19 09:54:20
β—‹A52.18.154.1692015-10-30 β†’ 2015-11-01 Β· 5 obs
β—‹ 2015-10-09 05:31:40
● 2015-10-30 21:11:46
● 2015-11-01 10:35:22
β—‹ 2015-11-12 12:57:32
β—‹ 2026-03-19 09:54:20
β—‹A52.19.211.242015-10-30 β†’ 2015-11-01 Β· 5 obs
β—‹ 2015-10-09 05:31:40
● 2015-10-30 21:11:46
● 2015-11-01 10:35:22
β—‹ 2015-11-12 12:57:32
β—‹ 2026-03-19 09:54:20
β—‹A52.19.56.1612015-10-09 β†’ 2015-10-09 Β· 4 obs
β—‹ 2015-06-23 02:38:52
● 2015-10-09 05:31:40
β—‹ 2015-10-30 21:11:46
β—‹ 2026-03-19 09:54:20
β—‹A52.210.203.1242016-09-27 β†’ 2016-09-27 Β· 4 obs
β—‹ 2016-08-31 13:04:52
● 2016-09-27 06:35:22
β—‹ 2017-02-15 10:09:56
β—‹ 2026-03-19 09:54:20
β—‹A52.214.67.1222017-02-15 β†’ 2017-02-15 Β· 4 obs
β—‹ 2016-09-27 06:35:22
● 2017-02-15 10:09:56
β—‹ 2018-09-02 10:19:44
β—‹ 2026-03-19 09:54:20
β—‹A52.30.104.1392016-08-31 β†’ 2016-08-31 Β· 4 obs
β—‹ 2016-04-11 15:01:42
● 2016-08-31 13:04:52
β—‹ 2016-09-27 06:35:22
β—‹ 2026-03-19 09:54:20
β—‹A52.31.104.1052015-11-12 β†’ 2015-11-30 Β· 5 obs
β—‹ 2015-11-01 10:35:22
● 2015-11-12 12:57:32
● 2015-11-30 02:05:26
β—‹ 2015-12-06 13:21:44
β—‹ 2026-03-19 09:54:20
β—‹A52.31.47.522015-12-10 β†’ 2016-01-17 Β· 5 obs
β—‹ 2015-12-06 13:21:44
● 2015-12-10 08:49:56
● 2016-01-17 16:55:24
β—‹ 2016-03-08 02:38:36
β—‹ 2026-03-19 09:54:20
β—‹A52.49.255.592017-02-15 β†’ 2017-02-15 Β· 4 obs
β—‹ 2016-09-27 06:35:22
● 2017-02-15 10:09:56
β—‹ 2018-09-02 10:19:44
β—‹ 2026-03-19 09:54:20
β—‹A52.49.27.2082016-09-27 β†’ 2016-09-27 Β· 4 obs
β—‹ 2016-08-31 13:04:52
● 2016-09-27 06:35:22
β—‹ 2017-02-15 10:09:56
β—‹ 2026-03-19 09:54:20
β—‹A54.154.18.2202015-12-06 β†’ 2015-12-06 Β· 4 obs
β—‹ 2015-11-30 02:05:26
● 2015-12-06 13:21:44
β—‹ 2015-12-10 08:49:56
β—‹ 2026-03-19 09:54:20
β—‹A54.154.208.772015-11-12 β†’ 2015-11-30 Β· 5 obs
β—‹ 2015-11-01 10:35:22
● 2015-11-12 12:57:32
● 2015-11-30 02:05:26
β—‹ 2015-12-06 13:21:44
β—‹ 2026-03-19 09:54:20
β—‹A54.154.8.2242015-10-09 β†’ 2015-10-09 Β· 4 obs
β—‹ 2015-06-23 02:38:52
● 2015-10-09 05:31:40
β—‹ 2015-10-30 21:11:46
β—‹ 2026-03-19 09:54:20
β—‹A54.171.189.2492015-12-06 β†’ 2015-12-06 Β· 4 obs
β—‹ 2015-11-30 02:05:26
● 2015-12-06 13:21:44
β—‹ 2015-12-10 08:49:56
β—‹ 2026-03-19 09:54:20
β—‹A54.194.142.1882016-09-27 β†’ 2016-09-27 Β· 4 obs
β—‹ 2016-08-31 13:04:52
● 2016-09-27 06:35:22
β—‹ 2017-02-15 10:09:56
β—‹ 2026-03-19 09:54:20
β—‹A54.194.206.102016-03-08 β†’ 2016-03-08 Β· 4 obs
β—‹ 2016-01-17 16:55:24
● 2016-03-08 02:38:36
β—‹ 2016-04-11 15:01:42
β—‹ 2026-03-19 09:54:20
β—‹A54.194.208.2102015-11-12 β†’ 2015-11-30 Β· 5 obs
β—‹ 2015-11-01 10:35:22
● 2015-11-12 12:57:32
● 2015-11-30 02:05:26
β—‹ 2015-12-06 13:21:44
β—‹ 2026-03-19 09:54:20
β—‹A54.246.137.862015-12-06 β†’ 2015-12-06 Β· 4 obs
β—‹ 2015-11-30 02:05:26
● 2015-12-06 13:21:44
β—‹ 2015-12-10 08:49:56
β—‹ 2026-03-19 09:54:20
β—‹A54.72.0.2402015-12-10 β†’ 2016-01-17 Β· 5 obs
β—‹ 2015-12-06 13:21:44
● 2015-12-10 08:49:56
● 2016-01-17 16:55:24
β—‹ 2016-03-08 02:38:36
β—‹ 2026-03-19 09:54:20
β—‹A54.72.250.1122016-04-11 β†’ 2016-04-11 Β· 4 obs
β—‹ 2016-03-08 02:38:36
● 2016-04-11 15:01:42
β—‹ 2016-08-31 13:04:52
β—‹ 2026-03-19 09:54:20
β—‹A54.72.42.2302016-08-31 β†’ 2016-08-31 Β· 4 obs
β—‹ 2016-04-11 15:01:42
● 2016-08-31 13:04:52
β—‹ 2016-09-27 06:35:22
β—‹ 2026-03-19 09:54:20
β—‹A54.76.159.1132016-04-11 β†’ 2016-04-11 Β· 4 obs
β—‹ 2016-03-08 02:38:36
● 2016-04-11 15:01:42
β—‹ 2016-08-31 13:04:52
β—‹ 2026-03-19 09:54:20
β—‹A54.77.101.782016-03-08 β†’ 2016-03-08 Β· 4 obs
β—‹ 2016-01-17 16:55:24
● 2016-03-08 02:38:36
β—‹ 2016-04-11 15:01:42
β—‹ 2026-03-19 09:54:20
β—‹A54.77.196.802017-02-15 β†’ 2017-02-15 Β· 4 obs
β—‹ 2016-09-27 06:35:22
● 2017-02-15 10:09:56
β—‹ 2018-09-02 10:19:44
β—‹ 2026-03-19 09:54:20
β—‹A84.40.39.1512015-06-23 β†’ 2015-06-23 Β· 3 obs
● 2015-06-23 02:38:52
β—‹ 2015-10-09 05:31:40
β—‹ 2026-03-19 09:54:20

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...-
boomkat.comigor.ns.cloudflare.com, nina.ns.cloudflare.com12 records

βœ… Authoritative Response

Server: 108.162.193.119

NS records: igor.ns.cloudflare.com, nina.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for boomkat.com (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.66.147.78, 104.20.35.65
AAAA22606:4700:10::6814:2341, 2606:4700:10::ac42:934e
NS2igor.ns.cloudflare.com, nina.ns.cloudflare.com
MX5alt1.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=KADRsiR6_zp7Rjw, v=spf1 include:servers.mcsv.net include:
SOA1igor.ns.cloudflare.com dns.cloudflare.co

πŸ“Œ Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (igor.ns.cloudflare.com, igor.ns.cloudflare.com, igor.ns.cloudflare.com...)

Analysis

Hierarchy

boomkat.com is the parent of www.boomkat.com, my.boomkat.com and assets.boomkat.com.

IP Addresses

Four IP numbers are pointed to by boomkat.com: 2606:4700:10::6814:2341, 2606:4700:10::ac42:934e, 104.20.35.65 and 172.66.147.78.

other host names including www.pokerscout.com, pokerscout.com, www.boomkat.com, isacaoc.com and my.boomkat.com share IP numbers with boomkat.com.

Name Servers

boomkat.com is delegated to two name servers igor.ns.cloudflare.com and nina.ns.cloudflare.com.

boomkat.com shares the same name server setup as other domains, for instance tutorialcup.com, enigma-interactive.co.uk, hotondo.com.au, joshuawolf.com and matchany.com.

boomkat.com at least partially shares name servers with other domains, for instance tumbledee.com, aqsnw.cn, tvtoto31620.com, pumarugby.com and melimusics.com.

These name servers are commonly used with aria.ns.cloudflare.com, dana.ns.cloudflare.com and kip.ns.cloudflare.com.

Host names with six IP numbers:

Host name igor.ns.cloudflare.com points to: 2606:4700:58::adf5:3b77, 2803:f800:50::6ca2:c177, 2a06:98c1:50::ac40:2177, 108.162.193.119, 172.64.33.119 and 173.245.59.119.

Host name nina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a88, 2803:f800:50::6ca2:c088, 2a06:98c1:50::ac40:2088, 108.162.192.136, 172.64.32.136 and 173.245.58.136.

Mail Servers

boomkat.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

boomkat.com shares some mail servers with other domains, at least partially, for instance hipkneespecialist.co.uk, bradenwheatcroft.ca, ns500754.ns500754.ns500754.ns500671.ns500731.ns500704.ns500705.ns500705.ns500291.ns500291.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500768.ns500758.ns500758.ns500759.ns500735.ns500735.ns500735.ns500698.ns500698.ns500708.ns500708.ns500698.ns500652.ns500619.trackreceptor.com and dkarla.com.mx.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27