21cht.com - dns.ninja

`21cht.com`

DNSSEC	⚠️ Not signed
A	3.170.19.42^{🇺🇸 Amazon3.170.19.0/24}
		PTR	`server-3-170-19-42.iad61.r.cloudfront.net`
A	3.170.19.60^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.61^{🇺🇸 Amazon3.170.19.0/24}
A	3.170.19.94^{🇺🇸 Amazon3.170.19.0/24}
NS	`bns1.hostcocoa.com` ⭐
		A	205.251.192.254^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-254.awsdns-31.com`
NS	`bns2.hostcocoa.com`
		A	205.251.194.231^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-743.awsdns-28.net`
NS	`bns3.hostcocoa.com`
		A	205.251.196.209^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1233.awsdns-26.org`
NS	`bns4.hostcocoa.com`
		A	205.251.198.107^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1643.awsdns-13.co.uk`
MX	`sniper.gobizmail.com` ⭐
		A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
		A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-223-25-84.compute-1.amazonaws.com`
		A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-243-117-197.compute-1.amazonaws.com`
TXT	`v=spf1 ip4:52.79.92.223 ~all`
SOA	`bns1.hostcocoa.com`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=1786163014

Previously NS for

21cht.com

Subdomains

www.21cht.com

Same first word

21cht.com

Similar names

tch12.com

htc21.co.kr

c21th.cn

htc21.com

ht21c.net

21tch.com

DNS History

93 records (9 active, 84 former)

○NS21cht.com2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 15:06:52
○ 2015-12-08 07:45:10
○ 2026-08-08 04:49:58

●NSbns1.hostcocoa.com2026-02-15 → 2026-08-08 · 3 obs

○ 2017-08-11 04:15:00
● 2026-02-15 10:45:12
● 2026-08-08 04:49:58

●NSbns2.hostcocoa.com2026-02-15 → 2026-08-08 · 3 obs

○ 2017-08-11 04:15:00
● 2026-02-15 10:45:12
● 2026-08-08 04:49:58

●NSbns3.hostcocoa.com2026-02-15 → 2026-08-08 · 3 obs

○ 2017-08-11 04:15:00
● 2026-02-15 10:45:12
● 2026-08-08 04:49:58

●NSbns4.hostcocoa.com2026-02-15 → 2026-08-08 · 3 obs

○ 2017-08-11 04:15:00
● 2026-02-15 10:45:12
● 2026-08-08 04:49:58

○NSns.cafe24.com2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 15:06:52
○ 2015-12-08 07:45:10
○ 2026-08-08 04:49:58

○NSns0.cafe24.com2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 15:06:52
○ 2015-12-08 07:45:10
○ 2026-08-08 04:49:58

○NSns1.cafe24.com2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 15:06:52
○ 2015-12-08 07:45:10
○ 2026-08-08 04:49:58

○NSns1.hostbell.com2015-12-08 → 2017-08-11 · 5 obs

○ 2015-08-10 15:06:52
● 2015-12-08 07:45:10
● 2017-08-11 04:15:00
○ 2026-02-15 10:45:12
○ 2026-08-08 04:49:58

○NSns1.nsgodo.com2015-12-08 → 2017-08-11 · 5 obs

○ 2015-08-10 15:06:52
● 2015-12-08 07:45:10
● 2017-08-11 04:15:00
○ 2026-02-15 10:45:12
○ 2026-08-08 04:49:58

○NSns2.cafe24.com2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 15:06:52
○ 2015-12-08 07:45:10
○ 2026-08-08 04:49:58

○NSns2.nsgodo.com2015-12-08 → 2017-08-11 · 5 obs

○ 2015-08-10 15:06:52
● 2015-12-08 07:45:10
● 2017-08-11 04:15:00
○ 2026-02-15 10:45:12
○ 2026-08-08 04:49:58

○MXmail.21cht.com2015-12-08 → 2017-08-11 · 5 obs

○ 2015-08-10 15:06:52
● 2015-12-08 07:45:10
● 2017-08-11 04:15:00
○ 2026-02-15 10:45:12
○ 2026-08-08 04:49:58

○MXmail.gobizmail.com2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 15:06:52
○ 2015-12-08 07:45:10
○ 2026-08-08 04:49:58

●MXsniper.gobizmail.com2026-02-15 → 2026-08-08 · 3 obs

○ 2017-08-11 04:15:00
● 2026-02-15 10:45:12
● 2026-08-08 04:49:58

○A13.224.125.1032026-03-28 → 2026-08-07 · 37 obs

○ 2026-03-26 20:57:00
● 2026-03-28 14:32:34
● 2026-03-28 21:29:00
○ 2026-03-29 03:23:04
○ 2026-06-03 12:37:58
● 2026-07-02 17:04:56
○ 2026-07-03 02:42:30
● 2026-07-07 22:54:34
● 2026-07-09 13:53:28
○ 2026-07-11 08:33:26
● 2026-07-12 21:16:56
○ 2026-07-13 04:34:34
● 2026-07-16 12:07:32
○ 2026-07-17 06:48:00
● 2026-07-19 21:38:02
○ 2026-07-20 06:26:58
● 2026-07-20 08:52:06
○ 2026-07-20 15:24:38
● 2026-07-22 11:12:54
○ 2026-07-23 04:08:14
● 2026-07-26 06:30:20
○ 2026-07-26 13:09:12
● 2026-08-04 07:56:06
○ 2026-08-04 13:23:20
● 2026-08-05 12:05:06
○ 2026-08-05 18:16:20
● 2026-08-06 01:56:18
○ 2026-08-06 10:35:46
● 2026-08-06 15:58:38
○ 2026-08-06 20:49:28
● 2026-08-07 01:59:08
○ 2026-08-07 02:42:00
● 2026-08-07 05:58:08
○ 2026-08-07 18:22:14
● 2026-08-07 19:57:20
○ 2026-08-08 04:49:56
○ 2026-08-08 04:49:58

○A13.224.125.1082026-03-28 → 2026-08-07 · 37 obs

○A13.224.125.522026-03-28 → 2026-08-07 · 37 obs

○A13.224.125.802026-03-28 → 2026-08-07 · 37 obs

○A13.32.205.1212026-05-20 → 2026-07-02 · 20 obs

○ 2026-05-17 19:49:18
● 2026-05-20 00:18:42
● 2026-05-20 22:02:42
○ 2026-05-21 02:33:52
○ 2026-05-21 20:20:42
● 2026-05-22 00:18:26
● 2026-05-28 02:37:02
○ 2026-05-29 18:03:52
● 2026-05-30 11:34:08
○ 2026-05-31 08:19:12
○ 2026-06-01 13:08:42
● 2026-06-01 22:09:12
● 2026-06-07 11:10:06
○ 2026-06-07 12:34:28
● 2026-06-30 12:32:12
● 2026-07-01 08:15:48
○ 2026-07-01 16:23:34
● 2026-07-02 06:36:06
○ 2026-07-02 11:48:10
○ 2026-08-08 04:49:58

○A13.32.205.1272026-05-20 → 2026-07-02 · 20 obs

○A13.32.205.162026-05-20 → 2026-07-02 · 20 obs

○A13.32.205.872026-05-20 → 2026-07-02 · 20 obs

○A13.33.109.1292026-04-23 → 2026-05-17 · 19 obs

○ 2026-04-17 21:06:14
● 2026-04-23 23:21:18
● 2026-04-24 04:07:00
○ 2026-04-24 05:58:52
● 2026-04-24 07:14:00
○ 2026-04-24 09:33:04
○ 2026-05-04 13:42:48
● 2026-05-05 02:00:56
○ 2026-05-05 15:37:00
○ 2026-05-06 12:37:28
● 2026-05-06 22:51:00
○ 2026-05-07 01:32:20
○ 2026-05-08 14:41:18
● 2026-05-09 00:52:04
○ 2026-05-09 03:59:18
○ 2026-05-17 15:03:46
● 2026-05-17 19:12:50
○ 2026-05-17 19:49:18
○ 2026-08-08 04:49:58

○A13.33.109.132026-04-23 → 2026-05-17 · 19 obs

○A13.33.109.332026-04-23 → 2026-05-17 · 19 obs

○A13.33.109.872026-04-23 → 2026-05-17 · 19 obs

○A13.33.88.1162026-05-30 → 2026-05-31 · 10 obs

○ 2026-05-29 18:03:52
● 2026-05-30 01:36:44
○ 2026-05-30 03:53:34
○ 2026-05-30 11:34:08
● 2026-05-30 20:00:32
○ 2026-05-30 20:46:52
○ 2026-05-31 07:45:22
● 2026-05-31 08:19:12
○ 2026-05-31 19:22:46
○ 2026-08-08 04:49:58

○A13.33.88.202026-05-30 → 2026-05-31 · 10 obs

○A13.33.88.622026-05-30 → 2026-05-31 · 10 obs

○A13.33.88.952026-05-30 → 2026-05-31 · 10 obs

○A13.35.107.1032026-04-14 → 2026-08-02 · 42 obs

○ 2026-04-13 20:51:16
● 2026-04-14 22:25:02
○ 2026-04-15 02:55:14
● 2026-07-13 11:49:22
○ 2026-07-13 15:39:08
● 2026-07-13 17:23:14
○ 2026-07-13 18:38:22
● 2026-07-14 04:13:22
○ 2026-07-14 07:19:16
● 2026-07-14 08:31:44
○ 2026-07-14 23:28:54
● 2026-07-15 19:36:46
○ 2026-07-16 00:35:42
● 2026-07-18 13:03:04
○ 2026-07-18 14:51:00
● 2026-07-18 22:28:02
○ 2026-07-19 00:59:12
● 2026-07-21 07:34:12
○ 2026-07-21 16:52:28
● 2026-07-24 16:06:54
○ 2026-07-25 14:18:34
● 2026-07-25 18:48:26
○ 2026-07-26 06:30:20
● 2026-07-26 13:09:12
○ 2026-07-26 13:56:58
● 2026-07-26 20:42:48
○ 2026-07-26 23:04:20
● 2026-07-27 02:03:48
○ 2026-07-27 11:11:40
● 2026-07-27 12:12:58
○ 2026-07-27 17:00:24
● 2026-07-27 20:13:44
○ 2026-07-28 05:33:08
● 2026-07-28 07:27:54
○ 2026-07-28 15:27:44
● 2026-07-30 04:08:04
○ 2026-07-30 10:20:02
● 2026-07-30 19:39:40
○ 2026-07-31 03:38:24
● 2026-08-02 05:18:42
○ 2026-08-02 11:17:14
○ 2026-08-08 04:49:58

○A13.35.107.172026-04-14 → 2026-08-02 · 42 obs

○A13.35.107.652026-04-14 → 2026-08-02 · 42 obs

○A13.35.107.722026-04-14 → 2026-08-02 · 42 obs

○A18.164.68.1082026-02-15 → 2026-06-30 · 19 obs

○ 2017-08-11 04:15:00
● 2026-02-15 10:45:12
● 2026-02-16 02:40:40
○ 2026-02-16 03:42:32
○ 2026-02-17 13:28:10
● 2026-02-18 18:11:36
● 2026-04-08 08:35:06
○ 2026-04-08 22:12:06
○ 2026-04-16 16:24:34
● 2026-04-17 21:06:14
● 2026-05-11 16:18:06
○ 2026-05-12 12:18:36
○ 2026-06-08 14:12:46
● 2026-06-08 16:14:20
● 2026-06-30 06:28:44
○ 2026-06-30 12:32:12
● 2026-06-30 20:47:08
○ 2026-07-01 04:52:52
○ 2026-08-08 04:49:58

○A18.164.68.1252026-02-15 → 2026-06-30 · 19 obs

○A18.164.68.232026-02-15 → 2026-06-30 · 19 obs

○A18.164.68.92026-02-15 → 2026-06-30 · 19 obs

○A18.165.201.1282026-02-17 → 2026-02-17 · 8 obs

○ 2026-02-16 12:11:12
● 2026-02-17 00:52:10
○ 2026-02-17 06:06:38
○ 2026-02-17 06:39:58
● 2026-02-17 09:07:20
● 2026-02-17 09:55:58
○ 2026-02-17 10:46:56
○ 2026-08-08 04:49:58

○A18.165.201.42026-02-17 → 2026-02-17 · 8 obs

○ 2026-02-16 12:11:12
● 2026-02-17 00:52:10
○ 2026-02-17 06:06:38
○ 2026-02-17 06:39:58
● 2026-02-17 09:07:20
● 2026-02-17 09:55:58
○ 2026-02-17 10:46:56
○ 2026-08-08 04:49:58

○A18.165.201.472026-02-17 → 2026-02-17 · 8 obs

○ 2026-02-16 12:11:12
● 2026-02-17 00:52:10
○ 2026-02-17 06:06:38
○ 2026-02-17 06:39:58
● 2026-02-17 09:07:20
● 2026-02-17 09:55:58
○ 2026-02-17 10:46:56
○ 2026-08-08 04:49:58

○A18.165.201.952026-02-17 → 2026-02-17 · 8 obs

○ 2026-02-16 12:11:12
● 2026-02-17 00:52:10
○ 2026-02-17 06:06:38
○ 2026-02-17 06:39:58
● 2026-02-17 09:07:20
● 2026-02-17 09:55:58
○ 2026-02-17 10:46:56
○ 2026-08-08 04:49:58

○A18.165.53.1092026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 01:57:20
● 2026-03-30 09:19:04
○ 2026-03-30 12:08:20
○ 2026-08-08 04:49:58

○A18.165.53.442026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 01:57:20
● 2026-03-30 09:19:04
○ 2026-03-30 12:08:20
○ 2026-08-08 04:49:58

○A18.165.53.852026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 01:57:20
● 2026-03-30 09:19:04
○ 2026-03-30 12:08:20
○ 2026-08-08 04:49:58

○A18.165.53.892026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 01:57:20
● 2026-03-30 09:19:04
○ 2026-03-30 12:08:20
○ 2026-08-08 04:49:58

○A18.165.9.1152026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-02 20:47:52
● 2026-04-06 08:35:52
○ 2026-04-06 11:54:58
○ 2026-08-08 04:49:58

○A18.165.9.1192026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-02 20:47:52
● 2026-04-06 08:35:52
○ 2026-04-06 11:54:58
○ 2026-08-08 04:49:58

○A18.165.9.1222026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-02 20:47:52
● 2026-04-06 08:35:52
○ 2026-04-06 11:54:58
○ 2026-08-08 04:49:58

○A18.165.9.452026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-02 20:47:52
● 2026-04-06 08:35:52
○ 2026-04-06 11:54:58
○ 2026-08-08 04:49:58

○A18.239.225.1232026-03-31 → 2026-08-04 · 58 obs

○ 2026-03-31 08:38:12
● 2026-03-31 10:34:36
● 2026-03-31 11:38:44
○ 2026-03-31 23:58:24
○ 2026-05-11 16:18:06
● 2026-05-14 04:45:34
○ 2026-05-15 08:03:50
○ 2026-06-18 01:05:44
● 2026-07-01 04:52:52
● 2026-07-07 12:10:22
○ 2026-07-08 23:55:36
● 2026-07-12 11:20:12
● 2026-07-14 23:28:54
○ 2026-07-15 19:36:46
○ 2026-07-19 03:02:16
● 2026-07-20 15:24:38
○ 2026-07-21 04:02:12
● 2026-07-21 18:36:38
○ 2026-07-21 19:57:50
● 2026-07-22 01:28:26
○ 2026-07-22 11:12:54
● 2026-07-23 04:08:14
○ 2026-07-23 11:48:38
● 2026-07-23 12:41:24
○ 2026-07-23 20:55:22
● 2026-07-23 22:36:42
○ 2026-07-24 00:29:56
● 2026-07-24 01:37:22
○ 2026-07-24 02:56:40
● 2026-07-24 14:34:32
○ 2026-07-24 16:06:54
● 2026-07-27 17:00:24
○ 2026-07-27 19:10:54
● 2026-07-28 05:33:08
○ 2026-07-28 07:27:54
● 2026-07-28 15:27:44
○ 2026-07-28 19:54:10
● 2026-07-31 03:38:24
○ 2026-07-31 09:00:32
● 2026-08-01 01:55:28
○ 2026-08-01 19:07:22
● 2026-08-01 19:55:06
○ 2026-08-02 02:44:12
● 2026-08-02 04:41:00
○ 2026-08-02 05:18:42
● 2026-08-02 11:17:14
○ 2026-08-02 18:04:38
● 2026-08-03 00:45:02
○ 2026-08-03 03:40:38
● 2026-08-03 07:55:38
○ 2026-08-03 11:41:00
● 2026-08-03 12:35:56
○ 2026-08-04 01:29:26
● 2026-08-04 02:23:58
○ 2026-08-04 07:56:06
● 2026-08-04 13:55:32
○ 2026-08-04 15:48:24
○ 2026-08-08 04:49:58

○A18.239.225.1272026-03-31 → 2026-08-04 · 58 obs

○A18.239.225.432026-03-31 → 2026-08-04 · 58 obs

○A18.239.225.912026-03-31 → 2026-08-04 · 58 obs

○A18.244.179.1102026-02-25 → 2026-06-11 · 20 obs

○ 2026-02-18 18:11:36
● 2026-02-25 05:34:46
○ 2026-02-25 14:28:50
○ 2026-02-26 02:15:16
● 2026-02-26 04:55:54
○ 2026-02-26 05:56:24
○ 2026-03-03 05:17:16
● 2026-03-04 01:12:56
○ 2026-03-04 18:41:54
○ 2026-03-29 15:13:08
● 2026-03-30 01:57:20
○ 2026-03-30 12:08:20
○ 2026-04-12 01:19:16
● 2026-04-12 05:48:18
● 2026-04-13 00:47:38
○ 2026-04-13 20:51:16
○ 2026-06-11 01:19:50
● 2026-06-11 02:54:30
○ 2026-06-11 07:02:54
○ 2026-08-08 04:49:58

○A18.244.179.1292026-02-25 → 2026-06-11 · 20 obs

○A18.244.179.722026-02-25 → 2026-06-11 · 20 obs

○A18.244.179.82026-02-25 → 2026-06-11 · 20 obs

○A211.233.51.442015-12-08 → 2017-08-11 · 5 obs

○ 2015-08-10 15:06:52
● 2015-12-08 07:45:10
● 2017-08-11 04:15:00
○ 2026-02-15 10:45:12
○ 2026-08-08 04:49:58

○A222.122.213.2112015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 15:06:52
○ 2015-12-08 07:45:10
○ 2026-08-08 04:49:58

○A3.163.115.462026-03-31 → 2026-07-30 · 26 obs

○ 2026-03-30 12:08:20
● 2026-03-31 08:38:12
○ 2026-03-31 10:34:36
○ 2026-04-02 03:16:30
● 2026-04-02 05:39:40
○ 2026-04-02 20:47:52
○ 2026-05-25 07:54:00
● 2026-06-18 19:38:54
○ 2026-06-19 22:45:44
● 2026-06-22 19:42:26
● 2026-06-23 22:02:36
○ 2026-06-25 02:18:02
● 2026-06-25 20:20:40
● 2026-06-28 18:02:54
○ 2026-06-29 15:23:42
● 2026-07-01 16:23:34
○ 2026-07-02 06:36:06
● 2026-07-02 11:48:10
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○ 2026-08-08 04:49:58

○A3.163.115.722026-03-31 → 2026-07-30 · 26 obs

○A3.163.115.872026-03-31 → 2026-07-30 · 26 obs

○A3.163.115.972026-03-31 → 2026-07-30 · 26 obs

○A3.164.36.212026-05-27 → 2026-06-02 · 11 obs

○ 2026-05-25 07:54:00
● 2026-05-27 12:06:06
○ 2026-05-28 02:37:02
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○A3.164.36.242026-05-27 → 2026-06-02 · 11 obs

○A3.164.36.662026-05-27 → 2026-06-02 · 11 obs

○A3.164.36.842026-05-27 → 2026-06-02 · 11 obs

○A3.165.232.112026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-08 06:10:20
● 2026-03-22 01:13:18
○ 2026-03-22 05:29:50
○ 2026-08-08 04:49:58

○A3.165.232.192026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-08 06:10:20
● 2026-03-22 01:13:18
○ 2026-03-22 05:29:50
○ 2026-08-08 04:49:58

○A3.165.232.492026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-08 06:10:20
● 2026-03-22 01:13:18
○ 2026-03-22 05:29:50
○ 2026-08-08 04:49:58

○A3.165.232.512026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-08 06:10:20
● 2026-03-22 01:13:18
○ 2026-03-22 05:29:50
○ 2026-08-08 04:49:58

○A3.167.212.102026-02-16 → 2026-08-07 · 56 obs

○ 2026-02-16 03:42:32
● 2026-02-16 12:11:12
○ 2026-02-17 00:52:10
○ 2026-02-17 06:06:38
● 2026-02-17 06:39:58
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○ 2026-03-26 20:57:00
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● 2026-07-05 08:03:34
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● 2026-07-17 18:35:40
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● 2026-07-21 04:02:12
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○ 2026-08-06 01:56:18
● 2026-08-07 18:22:14
○ 2026-08-07 19:57:20
○ 2026-08-08 04:49:58

○A3.167.212.172026-02-16 → 2026-08-07 · 56 obs

○A3.167.212.582026-02-16 → 2026-08-07 · 56 obs

○A3.167.212.72026-02-16 → 2026-08-07 · 56 obs

●A3.170.19.422026-02-17 → 2026-08-08 · 27 obs

○ 2026-02-15 10:45:12
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● 2026-02-17 06:06:38
○ 2026-02-17 06:39:58
○ 2026-06-20 22:45:44
● 2026-06-22 00:09:18
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● 2026-06-27 16:00:32
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● 2026-07-03 04:40:38
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● 2026-08-08 04:49:56
● 2026-08-08 04:49:58

●A3.170.19.602026-02-17 → 2026-08-08 · 27 obs

●A3.170.19.612026-02-17 → 2026-08-08 · 27 obs

●A3.170.19.942026-02-17 → 2026-08-08 · 27 obs

○A3.174.113.752026-03-23 → 2026-08-06 · 22 obs

○ 2026-03-22 05:29:50
● 2026-03-23 09:47:58
○ 2026-03-23 18:35:20
○ 2026-03-25 01:13:32
● 2026-03-25 03:03:04
● 2026-03-26 04:28:44
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● 2026-07-11 08:33:26
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● 2026-07-13 07:42:54
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● 2026-07-15 00:19:00
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● 2026-07-16 00:35:42
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● 2026-07-19 03:02:16
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● 2026-08-06 20:49:28
○ 2026-08-07 01:59:08
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○A3.174.113.772026-03-23 → 2026-08-06 · 22 obs

○A3.174.113.792026-03-23 → 2026-08-06 · 22 obs

○A3.174.113.912026-03-23 → 2026-08-06 · 22 obs

○A52.222.201.1192026-07-26 → 2026-07-27 · 8 obs

○ 2026-07-26 13:09:12
● 2026-07-26 13:56:58
○ 2026-07-26 20:42:48
● 2026-07-27 11:11:40
○ 2026-07-27 12:12:58
● 2026-07-27 19:10:54
○ 2026-07-27 20:13:44
○ 2026-08-08 04:49:58

○A52.222.201.1202026-07-26 → 2026-07-27 · 8 obs

○ 2026-07-26 13:09:12
● 2026-07-26 13:56:58
○ 2026-07-26 20:42:48
● 2026-07-27 11:11:40
○ 2026-07-27 12:12:58
● 2026-07-27 19:10:54
○ 2026-07-27 20:13:44
○ 2026-08-08 04:49:58

○A52.222.201.332026-07-26 → 2026-07-27 · 8 obs

○ 2026-07-26 13:09:12
● 2026-07-26 13:56:58
○ 2026-07-26 20:42:48
● 2026-07-27 11:11:40
○ 2026-07-27 12:12:58
● 2026-07-27 19:10:54
○ 2026-07-27 20:13:44
○ 2026-08-08 04:49:58

○A52.222.201.892026-07-26 → 2026-07-27 · 8 obs

○ 2026-07-26 13:09:12
● 2026-07-26 13:56:58
○ 2026-07-26 20:42:48
● 2026-07-27 11:11:40
○ 2026-07-27 12:12:58
● 2026-07-27 19:10:54
○ 2026-07-27 20:13:44
○ 2026-08-08 04:49:58

○A52.85.31.1292026-02-16 → 2026-04-11 · 19 obs

○ 2026-02-16 02:40:40
● 2026-02-16 03:42:32
○ 2026-02-16 12:11:12
○ 2026-03-07 17:36:40
● 2026-03-07 21:44:10
● 2026-03-08 00:48:14
○ 2026-03-08 06:10:20
○ 2026-03-29 06:12:34
● 2026-03-29 15:13:08
● 2026-03-29 16:01:20
○ 2026-03-29 21:59:52
○ 2026-04-10 07:19:22
● 2026-04-10 11:00:02
○ 2026-04-10 17:21:24
○ 2026-04-11 13:01:50
● 2026-04-11 16:40:50
● 2026-04-11 17:49:50
○ 2026-04-11 19:26:48
○ 2026-08-08 04:49:58

○A52.85.31.322026-02-16 → 2026-04-11 · 19 obs

○A52.85.31.352026-02-16 → 2026-04-11 · 19 obs

○A52.85.31.922026-02-16 → 2026-04-11 · 19 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21cht.com	bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.192.254

NS records: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21cht.com (unsigned zone)

⏱️ Timing

Total: 195ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.60, 3.170.19.61...`
NS	4	`bns1.hostcocoa.com, bns2.hostcocoa.com...`
MX	1	`sniper.gobizmail.com (pri: 10)`
TXT	1	`v=spf1 ip4:52.79.92.223 ~all`
SOA	1	`bns1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com...)

Analysis

Hierarchy

21cht.com is a parent domain of www.21cht.com.

IP Addresses

21cht.com resolves to four IP addresses: 3.170.19.42, 3.170.19.60, 3.170.19.61 and 3.170.19.94.

Among the host names that share IP numbers with 21cht.com are dpucqtezd8g1z.cloudfront.net, www.eharmony.it, d225eli5tl8qdh.cloudfront.net and two others.

Name Servers

The domain 21cht.com is delegated to these four name servers: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com and bns4.hostcocoa.com.

21cht.com shares at least some of its name servers with other domains, including mizunottc.com, deeprootedfarm.co.kr, youngdesign.co.kr and two others.

bns1.hostcocoa.com resolves to 205.251.192.254. bns2.hostcocoa.com resolves to 205.251.194.231. bns3.hostcocoa.com resolves to 205.251.196.209. bns4.hostcocoa.com resolves to 205.251.198.107. All four hosts carry exactly one IP address.

Mail Servers

21cht.com routes its mail through a single mail server, sniper.gobizmail.com.

21cht.com has the same mail server arrangement as a number of other domains, for example flowcountry.com, bestlc.co.kr, isoptics.com and two more.

21cht.com shares at least some of its mail servers with other domains — for example ehanbit.com, amsoln.com, eguntech.com and two more.

These mail servers are frequently paired with the mail servers aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com.

The host sniper.gobizmail.com directs to four IP numbers: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.