`chess-trainer.com`

DNSSEC	⚠️ Not signed
A	52.85.193.17^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
		PTR	`server-52-85-193-17.iad55.r.cloudfront.net`
A	52.85.193.38^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.64^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.106^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
NS	`ns-659.awsdns-18.net` ⭐
		A	2600:9000:5302:9300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-659.awsdns-18.net`
		A	205.251.194.147^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-659.awsdns-18.net`
NS	`ns-1402.awsdns-47.org` ⚠️ Not in parent delegation
		A	2600:9000:5305:7a00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1402.awsdns-47.org`
		A	205.251.197.122^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1402.awsdns-47.org`
NS	`ns-1782.awsdns-30.co.uk`
		A	2600:9000:5306:f600::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1782.awsdns-30.co.uk`
		A	205.251.198.246^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1782.awsdns-30.co.uk`
NS	`ns-276.awsdns-34.com`
		A	2600:9000:5301:1400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-276.awsdns-34.com`
		A	205.251.193.20^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-276.awsdns-34.com`
MX	`mail.chess-trainer.com` ⭐
		A	80.74.156.168^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
			PTR	`pallas.ch-dns.net`
SOA	`ns-659.awsdns-18.net`awsdns-hostmaster@amazon.com serial=1

`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

Subdomains

mail.chess-trainer.com

www.chess-trainer.com

Same first word

chess-trainer.com

DNS History

40 records (9 active, 31 former)

○NSa.ns36.de2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 05:41:52
● 2016-12-30 00:19:38
○ 2017-11-19 22:44:28
○ 2026-03-20 01:29:10

○NSb.ns36.de2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 05:41:52
● 2016-12-30 00:19:38
○ 2017-11-19 22:44:28
○ 2026-03-20 01:29:10

●NSns-1402.awsdns-47.org2026-02-16 → 2026-03-20 · 3 obs

○ 2017-11-19 22:44:28
● 2026-02-16 02:54:02
● 2026-03-20 01:29:10

●NSns-1782.awsdns-30.co.uk2026-02-16 → 2026-03-20 · 3 obs

○ 2017-11-19 22:44:28
● 2026-02-16 02:54:02
● 2026-03-20 01:29:10

●NSns-276.awsdns-34.com2026-02-16 → 2026-03-20 · 3 obs

○ 2017-11-19 22:44:28
● 2026-02-16 02:54:02
● 2026-03-20 01:29:10

●NSns-659.awsdns-18.net2026-02-16 → 2026-03-20 · 3 obs

○ 2017-11-19 22:44:28
● 2026-02-16 02:54:02
● 2026-03-20 01:29:10

○NSns-de.1and1-dns.biz2016-02-01 → 2016-04-24 · 5 obs

○ 2015-11-07 21:59:44
● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○NSns-de.1and1-dns.com2016-02-01 → 2016-04-24 · 5 obs

○ 2015-11-07 21:59:44
● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○NSns-de.1and1-dns.de2016-02-01 → 2016-04-24 · 5 obs

○ 2015-11-07 21:59:44
● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○NSns-de.1and1-dns.org2016-02-01 → 2016-04-24 · 5 obs

○ 2015-11-07 21:59:44
● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○NSns8.wixdns.net2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 17:28:00
○ 2015-11-07 21:59:44
○ 2026-03-20 01:29:10

○NSns9.wixdns.net2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 17:28:00
○ 2015-11-07 21:59:44
○ 2026-03-20 01:29:10

●MXmail.chess-trainer.com2026-02-16 → 2026-03-20 · 3 obs

○ 2017-11-19 22:44:28
● 2026-02-16 02:54:02
● 2026-03-20 01:29:10

○MXmailgw.ns36.de2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 05:41:52
● 2016-12-30 00:19:38
○ 2017-11-19 22:44:28
○ 2026-03-20 01:29:10

○MXmx00.kundenserver.de2016-02-01 → 2016-04-24 · 4 obs

● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○MXmx01.kundenserver.de2016-02-01 → 2016-04-24 · 4 obs

● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○A108.138.217.142026-02-16 → 2026-03-19 · 99 obs

○ 2017-11-19 22:44:28
● 2026-02-16 02:54:02
● 2026-02-17 00:40:48
○ 2026-02-17 02:07:40
● 2026-02-17 05:45:22
● 2026-02-18 23:48:36
○ 2026-02-19 05:23:00
○ 2026-02-19 12:19:06
● 2026-02-19 20:09:50
○ 2026-02-20 03:42:46
○ 2026-02-20 14:32:02
● 2026-02-20 15:12:42
● 2026-02-20 23:54:20
○ 2026-02-21 14:11:22
○ 2026-02-21 16:36:06
● 2026-02-21 17:49:34
○ 2026-02-21 23:23:34
○ 2026-02-22 03:29:46
● 2026-02-22 15:33:56
● 2026-02-22 23:50:14
○ 2026-02-23 09:47:30
○ 2026-02-23 10:38:14
● 2026-02-23 17:19:00
● 2026-02-25 13:10:58
○ 2026-02-25 14:07:30
● 2026-02-25 22:00:44
● 2026-02-26 09:20:18
○ 2026-02-26 11:26:10
● 2026-02-26 19:47:46
● 2026-02-27 06:37:50
○ 2026-02-27 11:49:38
● 2026-02-27 16:30:00
○ 2026-02-27 22:06:46
● 2026-02-28 00:18:38
● 2026-03-01 16:10:40
○ 2026-03-02 21:39:58
● 2026-03-02 23:45:32
○ 2026-03-03 01:07:36
● 2026-03-03 06:31:54
○ 2026-03-04 00:24:50
● 2026-03-04 01:54:04
● 2026-03-05 07:31:38
○ 2026-03-05 08:33:28
○ 2026-03-05 12:55:22
● 2026-03-05 14:10:52
● 2026-03-05 21:52:46
○ 2026-03-05 23:24:20
○ 2026-03-06 01:57:10
● 2026-03-06 04:08:40
● 2026-03-06 23:45:44
○ 2026-03-07 00:23:10
○ 2026-03-07 01:59:06
● 2026-03-07 03:52:48
○ 2026-03-07 04:40:50
○ 2026-03-07 07:16:36
● 2026-03-07 10:29:48
● 2026-03-08 06:43:30
○ 2026-03-08 11:20:28
● 2026-03-08 12:05:58
● 2026-03-09 19:21:14
○ 2026-03-10 00:01:34
● 2026-03-10 01:42:44
○ 2026-03-10 08:48:52
● 2026-03-10 13:06:32
● 2026-03-12 05:15:36
○ 2026-03-12 17:59:34
○ 2026-03-12 18:40:36
● 2026-03-12 20:10:20
● 2026-03-13 02:58:44
○ 2026-03-13 12:38:20
● 2026-03-13 23:43:00
○ 2026-03-14 05:06:50
○ 2026-03-14 06:31:24
● 2026-03-14 08:02:18
○ 2026-03-14 11:54:42
○ 2026-03-14 15:52:30
● 2026-03-14 18:11:34
○ 2026-03-14 19:37:24
○ 2026-03-15 04:05:02
● 2026-03-15 10:57:20
● 2026-03-16 01:45:36
○ 2026-03-16 03:36:10
● 2026-03-16 16:11:18
● 2026-03-16 22:31:24
○ 2026-03-16 23:17:40
○ 2026-03-17 00:11:56
● 2026-03-17 02:30:08
○ 2026-03-17 04:57:54
● 2026-03-17 06:17:00
○ 2026-03-17 13:04:36
● 2026-03-17 14:15:40
● 2026-03-18 03:41:22
○ 2026-03-18 16:58:32
● 2026-03-18 17:55:22
○ 2026-03-18 21:43:54
● 2026-03-19 02:30:24
● 2026-03-19 10:09:50
○ 2026-03-20 01:29:06
○ 2026-03-20 01:29:10

○A108.138.217.232026-02-16 → 2026-03-19 · 99 obs

○A108.138.217.242026-02-16 → 2026-03-19 · 99 obs

○A108.138.217.542026-02-16 → 2026-03-19 · 99 obs

○A13.32.230.1012026-02-17 → 2026-03-18 · 77 obs

○ 2026-02-17 00:40:48
● 2026-02-17 02:07:40
○ 2026-02-17 05:45:22
○ 2026-02-19 05:58:00
● 2026-02-19 12:19:06
○ 2026-02-19 20:09:50
○ 2026-02-20 11:39:52
● 2026-02-20 14:32:02
○ 2026-02-20 15:12:42
○ 2026-02-21 14:11:22
● 2026-02-21 16:36:06
○ 2026-02-21 17:49:34
● 2026-02-21 23:23:34
○ 2026-02-22 03:29:46
○ 2026-02-23 09:47:30
● 2026-02-23 10:38:14
○ 2026-02-23 17:19:00
○ 2026-02-25 13:10:58
● 2026-02-25 14:07:30
○ 2026-02-25 22:00:44
○ 2026-02-26 09:20:18
● 2026-02-26 11:26:10
○ 2026-02-26 19:47:46
○ 2026-02-27 06:37:50
● 2026-02-27 11:49:38
○ 2026-02-27 16:30:00
○ 2026-03-01 16:10:40
● 2026-03-02 21:39:58
○ 2026-03-02 23:45:32
○ 2026-03-03 06:31:54
● 2026-03-04 00:24:50
○ 2026-03-04 01:54:04
○ 2026-03-05 07:31:38
● 2026-03-05 08:33:28
○ 2026-03-05 10:40:50
● 2026-03-05 12:55:22
○ 2026-03-05 14:10:52
○ 2026-03-05 23:24:20
● 2026-03-06 01:57:10
○ 2026-03-06 04:08:40
○ 2026-03-07 03:52:48
● 2026-03-07 04:40:50
○ 2026-03-07 07:16:36
○ 2026-03-08 06:43:30
● 2026-03-08 11:20:28
○ 2026-03-08 12:05:58
○ 2026-03-10 01:42:44
● 2026-03-10 08:48:52
○ 2026-03-10 13:06:32
○ 2026-03-13 02:58:44
● 2026-03-13 12:38:20
○ 2026-03-13 23:43:00
● 2026-03-14 05:06:50
○ 2026-03-14 06:31:24
○ 2026-03-14 08:02:18
● 2026-03-14 11:54:42
○ 2026-03-14 14:32:16
● 2026-03-14 15:52:30
○ 2026-03-14 18:11:34
○ 2026-03-14 19:37:24
● 2026-03-14 22:32:48
● 2026-03-14 23:17:06
○ 2026-03-15 00:11:24
○ 2026-03-16 01:45:36
● 2026-03-16 03:36:10
○ 2026-03-16 16:11:18
○ 2026-03-17 02:30:08
● 2026-03-17 04:57:54
○ 2026-03-17 06:17:00
● 2026-03-17 13:04:36
○ 2026-03-17 14:15:40
○ 2026-03-18 03:41:22
● 2026-03-18 16:58:32
○ 2026-03-18 17:55:22
● 2026-03-18 21:43:54
○ 2026-03-19 02:30:24
○ 2026-03-20 01:29:10

○A13.32.230.392026-02-17 → 2026-03-18 · 77 obs

○A13.32.230.472026-02-17 → 2026-03-18 · 77 obs

○A13.32.230.862026-02-17 → 2026-03-18 · 77 obs

○A2001:8d8:1001:404e:88f3:4abf:555a:f8072016-02-01 → 2016-04-24 · 5 obs

○ 2015-11-07 21:59:44
● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○A217.160.216.232016-02-01 → 2016-04-24 · 5 obs

○ 2015-11-07 21:59:44
● 2016-02-01 09:39:34
● 2016-04-24 05:41:52
○ 2016-12-30 00:19:38
○ 2026-03-20 01:29:10

○A23.236.62.1472015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 17:28:00
○ 2015-11-07 21:59:44
○ 2026-03-20 01:29:10

○A3.174.193.22026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 23:50:14
● 2026-02-23 09:47:30
○ 2026-02-23 10:38:14
○ 2026-03-20 01:29:10

○A3.174.193.322026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 23:50:14
● 2026-02-23 09:47:30
○ 2026-02-23 10:38:14
○ 2026-03-20 01:29:10

○A3.174.193.392026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 23:50:14
● 2026-02-23 09:47:30
○ 2026-02-23 10:38:14
○ 2026-03-20 01:29:10

○A3.174.193.422026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 23:50:14
● 2026-02-23 09:47:30
○ 2026-02-23 10:38:14
○ 2026-03-20 01:29:10

●A52.85.193.1062026-02-19 → 2026-03-20 · 55 obs

○ 2026-02-16 02:54:02
○ 2026-02-18 23:48:36
● 2026-02-19 05:23:00
● 2026-02-19 05:58:00
○ 2026-02-19 12:19:06
○ 2026-02-19 20:09:50
● 2026-02-20 03:42:46
● 2026-02-20 11:39:52
○ 2026-02-20 14:32:02
○ 2026-02-20 23:54:20
● 2026-02-21 14:11:22
○ 2026-02-21 16:36:06
○ 2026-02-21 23:23:34
● 2026-02-22 03:29:46
○ 2026-02-22 15:33:56
○ 2026-02-27 16:30:00
● 2026-02-27 22:06:46
○ 2026-02-28 00:18:38
○ 2026-03-02 23:45:32
● 2026-03-03 01:07:36
○ 2026-03-03 06:31:54
○ 2026-03-05 08:33:28
● 2026-03-05 10:40:50
○ 2026-03-05 12:55:22
○ 2026-03-05 21:52:46
● 2026-03-05 23:24:20
○ 2026-03-06 01:57:10
○ 2026-03-06 23:45:44
● 2026-03-07 00:23:10
● 2026-03-07 01:59:06
○ 2026-03-07 03:52:48
○ 2026-03-07 04:40:50
● 2026-03-07 07:16:36
○ 2026-03-07 10:29:48
○ 2026-03-09 19:21:14
● 2026-03-10 00:01:34
○ 2026-03-10 01:42:44
○ 2026-03-12 05:15:36
● 2026-03-12 17:59:34
● 2026-03-12 18:40:36
○ 2026-03-12 20:10:20
○ 2026-03-14 18:11:34
● 2026-03-14 19:37:24
○ 2026-03-14 22:32:48
○ 2026-03-14 23:17:06
● 2026-03-15 00:11:24
● 2026-03-15 04:05:02
○ 2026-03-15 10:57:20
○ 2026-03-16 22:31:24
● 2026-03-16 23:17:40
● 2026-03-17 00:11:56
○ 2026-03-17 02:30:08
○ 2026-03-19 10:09:50
● 2026-03-20 01:29:06
● 2026-03-20 01:29:10

●A52.85.193.172026-02-19 → 2026-03-20 · 55 obs

●A52.85.193.382026-02-19 → 2026-03-20 · 55 obs

●A52.85.193.642026-02-19 → 2026-03-20 · 55 obs

○A72.52.4.902016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-24 05:41:52
● 2016-12-30 00:19:38
○ 2017-11-19 22:44:28
○ 2026-03-20 01:29:10

○A99.84.160.1092026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 05:06:50
● 2026-03-14 06:31:24
○ 2026-03-14 08:02:18
○ 2026-03-14 11:54:42
● 2026-03-14 14:32:16
○ 2026-03-14 15:52:30
○ 2026-03-20 01:29:10

○A99.84.160.222026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 05:06:50
● 2026-03-14 06:31:24
○ 2026-03-14 08:02:18
○ 2026-03-14 11:54:42
● 2026-03-14 14:32:16
○ 2026-03-14 15:52:30
○ 2026-03-20 01:29:10

○A99.84.160.532026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 05:06:50
● 2026-03-14 06:31:24
○ 2026-03-14 08:02:18
○ 2026-03-14 11:54:42
● 2026-03-14 14:32:16
○ 2026-03-14 15:52:30
○ 2026-03-20 01:29:10

○A99.84.160.542026-03-14 → 2026-03-14 · 7 obs

○ 2026-03-14 05:06:50
● 2026-03-14 06:31:24
○ 2026-03-14 08:02:18
○ 2026-03-14 11:54:42
● 2026-03-14 14:32:16
○ 2026-03-14 15:52:30
○ 2026-03-20 01:29:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
chess-trainer.com	ns-659.awsdns-18.net, ns-276.awsdns-34.com, ns-1782.awsdns-30.co.uk	1 record

✅ Authoritative Response

Server: 205.251.198.246

NS records: ns-659.awsdns-18.net, ns-276.awsdns-34.com, ns-1782.awsdns-30.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chess-trainer.com (unsigned zone)

⏱️ Timing

Total: 1310ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.85.193.38, 52.85.193.64...`
NS	4	`ns-1402.awsdns-47.org, ns-1782.awsdns-30.co.uk...`
MX	1	`mail.chess-trainer.com (pri: 10)`
SOA	1	`ns-659.awsdns-18.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-276.awsdns-34.com)

Analysis

Hierarchy

chess-trainer.com is the parent of mail.chess-trainer.com and www.chess-trainer.com.

IP Addresses

chess-trainer.com maps to four IP numbers: 52.85.193.17, 52.85.193.38, 52.85.193.64 and 52.85.193.106.

Name Servers

chess-trainer.com delegates to four name servers: ns-276.awsdns-34.com, ns-659.awsdns-18.net, ns-1402.awsdns-47.org and ns-1782.awsdns-30.co.uk.

chess-trainer.com at least partially shares name servers with other domains, for instance credico.ca, iglu.com.au, filepickerapp.com, wisdomain.ca and jyotistores.com.

Host names with two IP numbers: ns-276.awsdns-34.com points to 2600:9000:5301:1400::1 and 205.251.193.20; ns-659.awsdns-18.net points to 2600:9000:5302:9300::1 and 205.251.194.147; ns-1402.awsdns-47.org points to 2600:9000:5305:7a00::1 and 205.251.197.122; ns-1782.awsdns-30.co.uk points to 2600:9000:5306:f600::1 and 205.251.198.246.

Mail Servers

chess-trainer.com is handled by a single mail server, mail.chess-trainer.com.

The host name mail.chess-trainer.com points to IP 80.74.156.168.

chess-trainer.com - robtex.com