unit21.com - dns.ninja

`unit21.com`

DNSSEC	⚠️ Not signed
A	18.165.98.8^{🇺🇸 Amazon18.165.96.0/21}
		PTR	`server-18-165-98-8.iad55.r.cloudfront.net`
A	18.165.98.9^{🇺🇸 Amazon18.165.96.0/21}
A	18.165.98.78^{🇺🇸 Amazon18.165.96.0/21}
A	18.165.98.116^{🇺🇸 Amazon18.165.96.0/21}
NS	`ns-751.awsdns-29.net` ⭐
		A	2600:9000:5302:ef00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-751.awsdns-29.net`
		A	205.251.194.239^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-751.awsdns-29.net`
NS	`ns-1427.awsdns-50.org`
		A	2600:9000:5305:9300::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1427.awsdns-50.org`
		A	205.251.197.147^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1427.awsdns-50.org`
NS	`ns-1941.awsdns-50.co.uk`
		A	2600:9000:5307:9500::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1941.awsdns-50.co.uk`
		A	205.251.199.149^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1941.awsdns-50.co.uk`
NS	`ns-316.awsdns-39.com`
		A	2600:9000:5301:3c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-316.awsdns-39.com`
		A	205.251.193.60^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-316.awsdns-39.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.asmpx.l.google.com`⁽⁵⁾
MX	`alt2.asmpx.l.google.com`⁽⁵⁾
MX	`alt3.asmpx.l.google.com`⁽¹⁰⁾
MX	`alt4.asmpx.l.google.com`⁽¹⁰⁾
TXT	`_oicg71hilgxnurpxws7qv7ubvcrdsn2`
TXT	`google-site-verification=PPjLn7h2Q4SmyHUNQrQ2MaLtwt6r5ZZgKzGFp0DNs88`
SOA	`ns-751.awsdns-29.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=1783819307

📈 Tranco rank: #416,167

Previously MX for

unit21.com

Subdomains

www.unit21.com

Same first word

unit21.com

unit21.ai

unit21.nl

Similar names

unit12.com

DNS History

96 records (13 active, 83 former)

●NSns-1427.awsdns-50.org2020-02-24 → 2026-07-12 · 3 obs

○ 2017-02-18 19:39:02
● 2020-02-24 08:53:46
● 2026-07-12 01:35:32

●NSns-1941.awsdns-50.co.uk2020-02-24 → 2026-07-12 · 3 obs

○ 2017-02-18 19:39:02
● 2020-02-24 08:53:46
● 2026-07-12 01:35:32

●NSns-316.awsdns-39.com2020-02-24 → 2026-07-12 · 3 obs

○ 2017-02-18 19:39:02
● 2020-02-24 08:53:46
● 2026-07-12 01:35:32

●NSns-751.awsdns-29.net2020-02-24 → 2026-07-12 · 3 obs

○ 2017-02-18 19:39:02
● 2020-02-24 08:53:46
● 2026-07-12 01:35:32

○NSns0.byworkwise.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 09:59:34
○ 2015-08-02 09:37:26
○ 2026-07-12 01:35:32

○NSns0.hostedservice.com2015-08-02 → 2016-03-07 · 5 obs

○ 2008-03-20 09:59:34
● 2015-08-02 09:37:26
● 2016-03-07 07:15:02
○ 2016-07-06 06:14:32
○ 2026-07-12 01:35:32

○NSns1.byworkwise.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 09:59:34
○ 2015-08-02 09:37:26
○ 2026-07-12 01:35:32

○NSns1.hostedservice.com2015-08-02 → 2016-03-07 · 5 obs

○ 2008-03-20 09:59:34
● 2015-08-02 09:37:26
● 2016-03-07 07:15:02
○ 2016-07-06 06:14:32
○ 2026-07-12 01:35:32

○NSns1.hostedservices.com2015-08-02 → 2016-03-07 · 5 obs

○ 2008-03-20 09:59:34
● 2015-08-02 09:37:26
● 2016-03-07 07:15:02
○ 2016-07-06 06:14:32
○ 2026-07-12 01:35:32

○NSns1.xserver.jp2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-06 06:14:32
● 2017-02-18 19:39:02
○ 2020-02-24 08:53:46
○ 2026-07-12 01:35:32

○NSns2.xserver.jp2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-06 06:14:32
● 2017-02-18 19:39:02
○ 2020-02-24 08:53:46
○ 2026-07-12 01:35:32

○NSns3.xserver.jp2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-06 06:14:32
● 2017-02-18 19:39:02
○ 2020-02-24 08:53:46
○ 2026-07-12 01:35:32

○NSns4.xserver.jp2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-06 06:14:32
● 2017-02-18 19:39:02
○ 2020-02-24 08:53:46
○ 2026-07-12 01:35:32

○NSns5.xserver.jp2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-06 06:14:32
● 2017-02-18 19:39:02
○ 2020-02-24 08:53:46
○ 2026-07-12 01:35:32

●MXalt1.asmpx.l.google.com2026-02-14 → 2026-07-12 · 3 obs

○ 2020-02-24 08:53:46
● 2026-02-14 22:26:08
● 2026-07-12 01:35:32

●MXalt2.asmpx.l.google.com2026-02-14 → 2026-07-12 · 3 obs

○ 2020-02-24 08:53:46
● 2026-02-14 22:26:08
● 2026-07-12 01:35:32

●MXalt3.asmpx.l.google.com2026-02-14 → 2026-07-12 · 3 obs

○ 2020-02-24 08:53:46
● 2026-02-14 22:26:08
● 2026-07-12 01:35:32

●MXalt4.asmpx.l.google.com2026-02-14 → 2026-07-12 · 3 obs

○ 2020-02-24 08:53:46
● 2026-02-14 22:26:08
● 2026-07-12 01:35:32

●MXaspmx.l.google.com2026-02-14 → 2026-07-12 · 3 obs

○ 2020-02-24 08:53:46
● 2026-02-14 22:26:08
● 2026-07-12 01:35:32

○MXmail.unit21.com2008-03-20 → 2016-03-07 · 4 obs

● 2008-03-20 09:59:34
● 2016-03-07 07:15:02
○ 2016-07-06 06:14:32
○ 2026-07-12 01:35:32

○MXmxh.hostedservice.com2008-03-20 → 2016-03-07 · 4 obs

● 2008-03-20 09:59:34
● 2016-03-07 07:15:02
○ 2016-07-06 06:14:32
○ 2026-07-12 01:35:32

○MXunit21.com2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-06 06:14:32
● 2017-02-18 19:39:02
○ 2020-02-24 08:53:46
○ 2026-07-12 01:35:32

○A13.227.107.1272026-03-28 → 2026-04-29 · 19 obs

○ 2026-03-28 00:10:04
● 2026-03-28 16:35:10
○ 2026-03-28 22:26:36
● 2026-03-28 23:07:46
● 2026-03-30 11:30:08
○ 2026-03-31 02:57:24
● 2026-03-31 10:41:30
○ 2026-04-01 01:58:26
○ 2026-04-08 01:49:18
● 2026-04-08 11:48:46
○ 2026-04-09 02:04:48
○ 2026-04-13 21:30:28
● 2026-04-14 09:30:30
○ 2026-04-15 04:24:34
○ 2026-04-29 03:01:40
● 2026-04-29 03:33:10
● 2026-04-29 10:13:08
○ 2026-04-29 11:13:32
○ 2026-07-12 01:35:32

○A13.227.107.1282026-03-28 → 2026-04-29 · 19 obs

○A13.227.107.382026-03-28 → 2026-04-29 · 19 obs

○A13.227.107.462026-03-28 → 2026-04-29 · 19 obs

○A13.227.110.272026-04-29 → 2026-07-11 · 38 obs

○ 2026-04-29 11:13:32
● 2026-04-29 18:57:42
○ 2026-04-29 21:44:40
○ 2026-04-30 00:19:22
● 2026-04-30 01:28:22
○ 2026-04-30 02:11:30
○ 2026-05-28 17:43:04
● 2026-05-29 19:12:22
○ 2026-05-30 23:34:04
○ 2026-06-06 02:18:16
● 2026-06-06 18:23:32
● 2026-06-11 21:15:10
○ 2026-06-12 03:13:38
○ 2026-06-15 13:07:16
● 2026-06-15 14:22:02
● 2026-06-15 18:33:02
○ 2026-06-15 21:39:36
● 2026-06-30 23:28:38
○ 2026-07-03 00:49:46
● 2026-07-03 23:34:40
○ 2026-07-04 08:34:58
● 2026-07-04 11:03:26
○ 2026-07-07 19:47:24
● 2026-07-07 20:59:58
○ 2026-07-08 04:29:02
● 2026-07-09 13:34:50
○ 2026-07-10 08:36:32
● 2026-07-10 09:44:14
○ 2026-07-11 07:18:10
● 2026-07-11 11:12:46
○ 2026-07-11 15:20:50
● 2026-07-11 16:34:46
○ 2026-07-11 19:22:40
● 2026-07-11 20:09:18
○ 2026-07-11 21:21:18
● 2026-07-11 22:11:20
○ 2026-07-12 01:35:30
○ 2026-07-12 01:35:32

○A13.227.110.302026-04-29 → 2026-07-11 · 38 obs

○A13.227.110.442026-04-29 → 2026-07-11 · 38 obs

○A13.227.110.782026-04-29 → 2026-07-11 · 38 obs

○A13.249.141.1002026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 17:32:56
● 2026-05-20 10:56:20
○ 2026-05-20 16:17:46
○ 2026-07-12 01:35:32

○A13.249.141.1022026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 17:32:56
● 2026-05-20 10:56:20
○ 2026-05-20 16:17:46
○ 2026-07-12 01:35:32

○A13.249.141.722026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 17:32:56
● 2026-05-20 10:56:20
○ 2026-05-20 16:17:46
○ 2026-07-12 01:35:32

○A13.249.141.792026-05-20 → 2026-05-20 · 4 obs

○ 2026-05-19 17:32:56
● 2026-05-20 10:56:20
○ 2026-05-20 16:17:46
○ 2026-07-12 01:35:32

○A13.249.182.192026-02-20 → 2026-07-08 · 22 obs

○ 2026-02-18 00:35:10
● 2026-02-20 07:44:10
● 2026-02-20 08:29:18
○ 2026-02-20 09:02:02
○ 2026-02-20 10:28:42
● 2026-02-20 13:08:52
● 2026-02-21 02:32:00
○ 2026-02-21 06:36:06
○ 2026-03-02 06:07:12
● 2026-03-02 23:19:28
○ 2026-03-03 02:02:28
○ 2026-03-16 18:41:36
● 2026-03-17 08:28:24
○ 2026-03-17 13:15:54
○ 2026-03-21 12:12:14
● 2026-03-21 16:00:22
○ 2026-03-21 21:54:04
● 2026-07-03 00:49:46
○ 2026-07-03 23:34:40
● 2026-07-08 04:29:02
○ 2026-07-09 13:34:50
○ 2026-07-12 01:35:32

○A13.249.182.382026-02-20 → 2026-07-08 · 22 obs

○A13.249.182.82026-02-20 → 2026-07-08 · 22 obs

○A13.249.182.852026-02-20 → 2026-07-08 · 22 obs

○A13.33.109.1002026-04-22 → 2026-05-21 · 17 obs

○ 2026-04-16 22:25:32
● 2026-04-22 03:32:48
○ 2026-04-22 06:08:54
○ 2026-04-25 20:22:10
● 2026-04-25 21:42:18
○ 2026-04-26 05:58:02
○ 2026-04-27 05:45:22
● 2026-04-27 12:44:14
○ 2026-04-27 16:34:26
○ 2026-05-10 19:49:54
● 2026-05-11 02:22:58
○ 2026-05-11 08:18:58
○ 2026-05-20 20:27:06
● 2026-05-20 21:26:30
● 2026-05-21 00:43:04
○ 2026-05-21 04:35:44
○ 2026-07-12 01:35:32

○A13.33.109.1082026-04-22 → 2026-05-21 · 17 obs

○A13.33.109.1112026-04-22 → 2026-05-21 · 17 obs

○A13.33.109.212026-04-22 → 2026-05-21 · 17 obs

○A13.33.235.1032026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-26 18:45:24
● 2026-03-27 07:15:28
● 2026-03-27 08:44:14
○ 2026-03-27 10:23:44
○ 2026-07-12 01:35:32

○A13.33.235.1232026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-26 18:45:24
● 2026-03-27 07:15:28
● 2026-03-27 08:44:14
○ 2026-03-27 10:23:44
○ 2026-07-12 01:35:32

○A13.33.235.142026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-26 18:45:24
● 2026-03-27 07:15:28
● 2026-03-27 08:44:14
○ 2026-03-27 10:23:44
○ 2026-07-12 01:35:32

○A13.33.235.92026-03-27 → 2026-03-27 · 5 obs

○ 2026-03-26 18:45:24
● 2026-03-27 07:15:28
● 2026-03-27 08:44:14
○ 2026-03-27 10:23:44
○ 2026-07-12 01:35:32

○A157.112.152.712017-02-18 → 2017-02-18 · 3 obs

● 2017-02-18 19:39:02
○ 2020-02-24 08:53:46
○ 2026-07-12 01:35:32

○A18.164.68.1252026-02-16 → 2026-02-16 · 5 obs

○ 2026-02-16 03:28:02
● 2026-02-16 08:59:38
● 2026-02-16 23:54:14
○ 2026-02-17 06:35:12
○ 2026-07-12 01:35:32

○A18.164.68.232026-02-16 → 2026-02-16 · 5 obs

○ 2026-02-16 03:28:02
● 2026-02-16 08:59:38
● 2026-02-16 23:54:14
○ 2026-02-17 06:35:12
○ 2026-07-12 01:35:32

○A18.164.68.342026-02-16 → 2026-02-16 · 5 obs

○ 2026-02-16 03:28:02
● 2026-02-16 08:59:38
● 2026-02-16 23:54:14
○ 2026-02-17 06:35:12
○ 2026-07-12 01:35:32

○A18.164.68.752026-02-16 → 2026-02-16 · 5 obs

○ 2026-02-16 03:28:02
● 2026-02-16 08:59:38
● 2026-02-16 23:54:14
○ 2026-02-17 06:35:12
○ 2026-07-12 01:35:32

●A18.165.98.1162026-02-14 → 2026-07-12 · 40 obs

○ 2020-02-24 08:53:46
● 2026-02-14 22:26:08
● 2026-02-15 23:26:16
○ 2026-02-16 03:28:02
○ 2026-03-23 10:13:34
● 2026-03-24 00:15:00
○ 2026-03-24 13:59:52
○ 2026-05-23 17:17:32
● 2026-05-25 02:14:20
○ 2026-05-25 08:31:06
○ 2026-06-19 02:00:16
● 2026-06-19 20:48:10
● 2026-06-21 02:08:20
○ 2026-06-21 03:51:00
● 2026-06-21 06:28:06
○ 2026-06-21 11:37:30
● 2026-06-21 19:48:04
○ 2026-06-21 23:14:44
● 2026-06-23 18:20:20
○ 2026-06-23 18:58:32
● 2026-06-24 00:22:24
○ 2026-06-24 01:59:02
● 2026-06-25 02:05:18
○ 2026-06-25 10:04:06
● 2026-06-26 07:24:42
○ 2026-06-26 13:16:34
● 2026-07-04 08:34:58
○ 2026-07-04 11:03:26
● 2026-07-07 19:47:24
○ 2026-07-07 20:59:58
● 2026-07-10 08:36:32
○ 2026-07-10 09:44:14
● 2026-07-11 07:18:10
○ 2026-07-11 11:12:46
● 2026-07-11 15:58:02
○ 2026-07-11 16:34:46
● 2026-07-11 21:21:18
○ 2026-07-11 22:11:20
● 2026-07-12 01:35:30
● 2026-07-12 01:35:32

●A18.165.98.782026-02-14 → 2026-07-12 · 40 obs

●A18.165.98.82026-02-14 → 2026-07-12 · 40 obs

●A18.165.98.92026-02-14 → 2026-07-12 · 40 obs

○A18.238.55.372026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-17 08:28:24
● 2026-03-17 13:15:54
○ 2026-03-17 20:15:10
○ 2026-07-12 01:35:32

○A18.238.55.442026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-17 08:28:24
● 2026-03-17 13:15:54
○ 2026-03-17 20:15:10
○ 2026-07-12 01:35:32

○A18.238.55.582026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-17 08:28:24
● 2026-03-17 13:15:54
○ 2026-03-17 20:15:10
○ 2026-07-12 01:35:32

○A18.238.55.602026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-17 08:28:24
● 2026-03-17 13:15:54
○ 2026-03-17 20:15:10
○ 2026-07-12 01:35:32

○A18.244.140.1092026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:26:16
● 2026-02-16 03:28:02
○ 2026-02-16 08:59:38
○ 2026-07-12 01:35:32

○A18.244.140.592026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:26:16
● 2026-02-16 03:28:02
○ 2026-02-16 08:59:38
○ 2026-07-12 01:35:32

○A18.244.140.772026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:26:16
● 2026-02-16 03:28:02
○ 2026-02-16 08:59:38
○ 2026-07-12 01:35:32

○A18.244.140.822026-02-16 → 2026-02-16 · 4 obs

○ 2026-02-15 23:26:16
● 2026-02-16 03:28:02
○ 2026-02-16 08:59:38
○ 2026-07-12 01:35:32

○A3.164.206.1022026-03-26 → 2026-07-11 · 11 obs

○ 2026-03-24 13:59:52
● 2026-03-26 16:50:58
○ 2026-03-26 18:45:24
○ 2026-03-27 17:59:04
● 2026-03-27 18:48:00
○ 2026-03-27 19:20:26
● 2026-07-11 15:20:50
○ 2026-07-11 15:58:02
● 2026-07-11 19:22:40
○ 2026-07-11 20:09:18
○ 2026-07-12 01:35:32

○A3.164.206.192026-03-26 → 2026-07-11 · 11 obs

○A3.164.206.22026-03-26 → 2026-07-11 · 11 obs

○A3.164.206.232026-03-26 → 2026-07-11 · 11 obs

○A3.170.152.152026-05-19 → 2026-06-30 · 21 obs

○ 2026-05-19 05:48:52
● 2026-05-19 08:40:36
○ 2026-05-19 11:45:30
● 2026-05-19 14:01:48
○ 2026-05-19 17:32:56
○ 2026-05-21 16:17:00
● 2026-05-22 02:20:34
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● 2026-05-30 23:34:04
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● 2026-06-01 23:32:58
● 2026-06-06 02:18:16
○ 2026-06-06 18:23:32
○ 2026-06-08 03:23:56
● 2026-06-08 04:29:02
○ 2026-06-08 11:16:32
● 2026-06-30 16:23:34
○ 2026-06-30 21:32:40
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○A3.174.29.1132026-04-13 → 2026-04-16 · 12 obs

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○A3.174.29.442026-04-13 → 2026-04-16 · 12 obs

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○A3.174.59.1102026-04-10 → 2026-05-19 · 19 obs

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○A3.174.59.192026-04-10 → 2026-05-19 · 19 obs

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○A52.218.240.1232020-02-24 → 2020-02-24 · 4 obs

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○A52.84.118.1132026-02-17 → 2026-06-30 · 42 obs

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○A54.192.151.122026-05-27 → 2026-06-04 · 16 obs

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○A99.84.132.152026-03-30 → 2026-06-29 · 28 obs

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○A99.84.252.1042026-06-17 → 2026-06-17 · 5 obs

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○A99.84.252.1062026-06-17 → 2026-06-17 · 5 obs

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○A99.84.252.1102026-06-17 → 2026-06-17 · 5 obs

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○A99.84.252.122026-06-17 → 2026-06-17 · 5 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
unit21.com	ns-751.awsdns-29.net, ns-316.awsdns-39.com, ns-1941.awsdns-50.co.uk, ns-1427.awsdns-50.org	2 records

✅ Authoritative Response

Server:205.251.197.147

NS records: ns-751.awsdns-29.net, ns-316.awsdns-39.com, ns-1941.awsdns-50.co.uk, ns-1427.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for unit21.com (unsigned zone)

⏱️ Timing

Total: 456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.165.98.8, 18.165.98.9...`
NS	4	`ns-1427.awsdns-50.org, ns-1941.awsdns-50.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.asmpx.l.google.com (pri: 10)...`
TXT	2	`_oicg71hilgxnurpxws7qv7ubvcrdsn2, google-site-verification=PPjLn7h2Q4SmyHU`
SOA	1	`ns-751.awsdns-29.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-316.awsdns-39.com, ns-316.awsdns-39.com)

Analysis

Hierarchy

unit21.com serves as the parent of www.unit21.com.

IP Addresses

unit21.com has four IP addresses: 18.165.98.8, 18.165.98.9, 18.165.98.78 and 18.165.98.116.

int-uhp-7203.int.admin.powerschoolcorp.com, d3692gczyqmmwk.cloudfront.net, ld.int.admin.powerschoolcorp.com plus two other host names have IP numbers in common with unit21.com.

Name Servers

Four name servers handle the delegation for unit21.com: ns-316.awsdns-39.com, ns-751.awsdns-29.net, ns-1427.awsdns-50.org and ns-1941.awsdns-50.co.uk.

unit21.com has at least partial name server overlap with other domains, such as babelize.net, antonmladenov.com, dslrstore.nl and two others.

These name servers tend to appear together with the name servers ns-376.awsdns-47.com, ns-1291.awsdns-33.org and ns-1833.awsdns-37.co.uk.

ns-316.awsdns-39.com, ns-751.awsdns-29.net, ns-1427.awsdns-50.org and ns-1941.awsdns-50.co.uk all point to exactly two IP numbers each: ns-316.awsdns-39.com → 205.251.193.60 and 2600:9000:5301:3c00::1; ns-751.awsdns-29.net → 205.251.194.239 and 2600:9000:5302:ef00::1; ns-1427.awsdns-50.org → 205.251.197.147 and 2600:9000:5305:9300::1; ns-1941.awsdns-50.co.uk → 205.251.199.149 and 2600:9000:5307:9500::1.

Mail Servers

Mail for unit21.com is handled by five mail servers, namely aspmx.l.google.com, alt1.asmpx.l.google.com, alt2.asmpx.l.google.com and two others.

At least some of the mail servers used by unit21.com are shared with other domains: millcreekaa.net, ns500731.ns500742.ns500731.ns500742.ns500688.ns500704.ns500671.ns500678.ns500688.ns500688.ns500649.ns500678.ns500142.lusty(0x736c7574)z.com, ns500765.ns500693.ns500734.ns500699.ns500693.ns500699.ns500728.ns500699.ns500632.ns500588.ns500612.ns500588.ns500110.dtrkdll.com and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.asmpx.l.google.com and 7 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 172.253.62.27 and 2607:f8b0:4004:c29::1a.