`tomkoerber.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a619^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:102a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.42^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.25^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c174^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2174^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hank.ns.cloudflare.com`
		A	108.162.193.116^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	172.64.33.116^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	173.245.59.116^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
NS	`lila.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aba^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ba^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lila.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ba^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lila.ns.cloudflare.com`
		A	108.162.192.186^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	172.64.32.186^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	173.245.58.186^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`MS=ms21399577`
TXT	`apple-domain=Uo3kREQ0LSjwSJwQ`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.16.42, 172.67.166.25
		IPv6	2606:4700:3031::ac43:a619, 2606:4700:3035::6815:102a
SOA	`hank.ns.cloudflare.com`dns@cloudflare.com serial=2398558676

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

DNS History

23 records (8 active, 15 former)

●NShank.ns.cloudflare.com2019-04-03 → 2026-03-14 · 3 obs

○ 2017-02-12 10:20:38
● 2019-04-03 12:12:12
● 2026-03-14 22:34:22

○NSkara.ns.cloudflare.com2015-07-03 → 2017-02-12 · 5 obs

○ 2008-03-20 00:09:46
● 2015-07-03 08:36:58
● 2017-02-12 10:20:38
○ 2019-04-03 12:12:12
○ 2026-03-14 22:34:22

●NSlila.ns.cloudflare.com2019-04-03 → 2026-03-14 · 3 obs

○ 2017-02-12 10:20:38
● 2019-04-03 12:12:12
● 2026-03-14 22:34:22

○NSmax.ns.cloudflare.com2015-07-03 → 2017-02-12 · 5 obs

○ 2008-03-20 00:09:46
● 2015-07-03 08:36:58
● 2017-02-12 10:20:38
○ 2019-04-03 12:12:12
○ 2026-03-14 22:34:22

○NSns.rackspace.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 00:09:46
○ 2015-07-03 08:36:58
○ 2026-03-14 22:34:22

○NSns2.rackspace.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 00:09:46
○ 2015-07-03 08:36:58
○ 2026-03-14 22:34:22

●MXmx01.mail.icloud.com2026-03-14 → 2026-03-14 · 3 obs

○ 2019-04-03 12:12:12
● 2026-03-14 22:34:18
● 2026-03-14 22:34:22

●MXmx02.mail.icloud.com2026-03-14 → 2026-03-14 · 3 obs

○ 2019-04-03 12:12:12
● 2026-03-14 22:34:18
● 2026-03-14 22:34:22

○MXmx1.emailsrvr.com2015-07-03 → 2019-04-03 · 5 obs

○ 2008-03-20 00:09:46
● 2015-07-03 08:36:58
● 2019-04-03 12:12:12
○ 2026-03-14 22:34:18
○ 2026-03-14 22:34:22

○MXmx2.emailsrvr.com2015-07-03 → 2019-04-03 · 5 obs

○ 2008-03-20 00:09:46
● 2015-07-03 08:36:58
● 2019-04-03 12:12:12
○ 2026-03-14 22:34:18
○ 2026-03-14 22:34:22

○MXtomkoerber.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 00:09:46
○ 2015-07-03 08:36:58
○ 2026-03-14 22:34:22

●A104.21.16.422026-03-14 → 2026-03-14 · 3 obs

○ 2019-04-03 12:12:12
● 2026-03-14 22:34:18
● 2026-03-14 22:34:22

○A104.28.4.1052015-10-16 → 2016-06-29 · 5 obs

○ 2015-07-03 08:36:58
● 2015-10-16 10:41:00
● 2016-06-29 13:09:34
○ 2017-02-12 10:20:38
○ 2026-03-14 22:34:22

○A104.28.5.1052015-10-16 → 2016-06-29 · 5 obs

○ 2015-07-03 08:36:58
● 2015-10-16 10:41:00
● 2016-06-29 13:09:34
○ 2017-02-12 10:20:38
○ 2026-03-14 22:34:22

○A104.31.154.742017-02-12 → 2017-02-12 · 4 obs

○ 2016-06-29 13:09:34
● 2017-02-12 10:20:38
○ 2019-04-03 12:12:12
○ 2026-03-14 22:34:22

○A104.31.155.742017-02-12 → 2017-02-12 · 4 obs

○ 2016-06-29 13:09:34
● 2017-02-12 10:20:38
○ 2019-04-03 12:12:12
○ 2026-03-14 22:34:22

●A172.67.166.252026-03-14 → 2026-03-14 · 3 obs

○ 2019-04-03 12:12:12
● 2026-03-14 22:34:18
● 2026-03-14 22:34:22

○A207.97.202.1012008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 00:09:46
○ 2015-07-03 08:36:58
○ 2026-03-14 22:34:22

○A216.70.87.1512015-07-03 → 2015-07-03 · 4 obs

○ 2008-03-20 00:09:46
● 2015-07-03 08:36:58
○ 2015-10-16 10:41:00
○ 2026-03-14 22:34:22

○A2400:cb00:2048:1::681f:9a4a2017-02-12 → 2017-02-12 · 4 obs

○ 2016-06-29 13:09:34
● 2017-02-12 10:20:38
○ 2019-04-03 12:12:12
○ 2026-03-14 22:34:22

○A2400:cb00:2048:1::681f:9b4a2017-02-12 → 2017-02-12 · 4 obs

○ 2016-06-29 13:09:34
● 2017-02-12 10:20:38
○ 2019-04-03 12:12:12
○ 2026-03-14 22:34:22

●A2606:4700:3031::ac43:a6192026-03-14 → 2026-03-14 · 3 obs

○ 2019-04-03 12:12:12
● 2026-03-14 22:34:18
● 2026-03-14 22:34:22

●A2606:4700:3035::6815:102a2026-03-14 → 2026-03-14 · 3 obs

○ 2019-04-03 12:12:12
● 2026-03-14 22:34:18
● 2026-03-14 22:34:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
tomkoerber.com	hank.ns.cloudflare.com, lila.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.186

NS records: hank.ns.cloudflare.com, lila.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tomkoerber.com (unsigned zone)

⏱️ Timing

Total: 963ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.166.25, 104.21.16.42`
AAAA	2	`2606:4700:3031::ac43:a619, 2606:4700:3035::6815:102a`
NS	2	`hank.ns.cloudflare.com, lila.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`MS=ms21399577, apple-domain=Uo3kREQ0LSjwSJwQ...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hank.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by tomkoerber.com: 2606:4700:3031::ac43:a619, 2606:4700:3035::6815:102a, 104.21.16.42 and 172.67.166.25.

other host names including agenceidecom.com, targetpower.com, boulderbachfest.org, mail.netb0x.de and www.f46468.com share IP numbers with tomkoerber.com.

Name Servers

tomkoerber.com is delegated to two name servers hank.ns.cloudflare.com and lila.ns.cloudflare.com.

tomkoerber.com shares the same name server setup as other domains, for instance woolgather.us, extroverteddeveloper.com, fenmo-32tavex.biz, appota.com and appota.vn.

tomkoerber.com at least partially shares name servers with other domains, for instance amorakyouthhome.com, jacksonsoaresimoveis.com, costello.cloud, debia.no and getmojoapp.net.

these name servers are commonly used alongside dolly.ns.cloudflare.com.

Host names with six IP numbers:

Host name hank.ns.cloudflare.com points to: 2606:4700:58::adf5:3b74, 2803:f800:50::6ca2:c174, 2a06:98c1:50::ac40:2174, 108.162.193.116, 172.64.33.116 and 173.245.59.116.

Host name lila.ns.cloudflare.com points to: 2606:4700:50::adf5:3aba, 2803:f800:50::6ca2:c0ba, 2a06:98c1:50::ac40:20ba, 108.162.192.186, 172.64.32.186 and 173.245.58.186.

Mail Servers

Two mail servers handle tomkoerber.com: mx01.mail.icloud.com and mx02.mail.icloud.com.

tomkoerber.com shares the same mail server setup as other domains, for instance seoga.com, stillsurface.com, karlsborg.de, kronober.com and vwijngaarden.org.

tomkoerber.com shares at least partially some mail servers with other domains, including yellowskygroup.com, zercosz.com and monck.com.au.

Host names with six IP numbers:

The host names mx01.mail.icloud.com and mx02.mail.icloud.com point to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

Host names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.

tomkoerber.com - robtex.com

tomkoerber.com

com

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`tomkoerber.com`

`com`