`buupschool.com`

DNSSEC	⚠️ Not signed
A	108.157.173.4^{🇺🇸 Amazon108.157.172.0/23}
		PTR	`server-108-157-173-4.mia3.r.cloudfront.net`
A	108.157.173.40^{🇺🇸 Amazon108.157.172.0/23}
A	108.157.173.113^{🇺🇸 Amazon108.157.172.0/23}
A	108.157.173.122^{🇺🇸 Amazon108.157.172.0/23}
NS	`ens1.hostcocoa.com` ⭐
		A	205.251.195.69^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-837.awsdns-40.net`
NS	`ens2.hostcocoa.com`
		A	205.251.196.43^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1067.awsdns-05.org`
NS	`ens3.hostcocoa.com`
		A	205.251.199.129^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1921.awsdns-48.co.uk`
NS	`ens4.hostcocoa.com`
		A	205.251.192.62^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-62.awsdns-07.com`
SOA	`ens1.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=1775979427

Same first word

buupschool.com

DNS History

24 records (8 active, 16 former)

●NSens1.hostcocoa.com2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 18:38:36
● 2026-04-12 07:51:42

●NSens2.hostcocoa.com2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 18:38:36
● 2026-04-12 07:51:42

●NSens3.hostcocoa.com2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 18:38:36
● 2026-04-12 07:51:42

●NSens4.hostcocoa.com2026-02-17 → 2026-04-12 · 2 obs

● 2026-02-17 18:38:36
● 2026-04-12 07:51:42

○A108.156.46.1152026-02-20 → 2026-03-17 · 27 obs

○ 2026-02-19 23:53:32
● 2026-02-20 08:33:14
● 2026-02-21 00:46:36
○ 2026-02-21 11:20:50
○ 2026-02-21 15:52:02
● 2026-02-22 05:01:46
○ 2026-02-22 16:40:22
● 2026-02-22 22:30:08
● 2026-02-23 13:14:24
○ 2026-02-23 23:36:04
○ 2026-02-24 04:04:18
● 2026-02-24 05:02:52
○ 2026-02-25 05:37:24
○ 2026-02-27 05:29:20
● 2026-02-27 12:18:52
● 2026-02-28 03:55:16
○ 2026-02-28 04:56:52
● 2026-02-28 11:32:20
○ 2026-03-01 05:11:02
○ 2026-03-15 17:01:38
● 2026-03-16 03:12:32
○ 2026-03-16 05:13:50
○ 2026-03-16 22:11:44
● 2026-03-17 04:30:28
● 2026-03-17 06:00:28
○ 2026-03-17 15:36:28
○ 2026-04-12 07:51:42

○A108.156.46.442026-02-20 → 2026-03-17 · 27 obs

○A108.156.46.482026-02-20 → 2026-03-17 · 27 obs

○A108.156.46.982026-02-20 → 2026-03-17 · 27 obs

●A108.157.173.1132026-04-12 → 2026-04-12 · 3 obs

○ 2026-04-11 22:22:28
● 2026-04-12 07:51:40
● 2026-04-12 07:51:42

●A108.157.173.1222026-04-12 → 2026-04-12 · 3 obs

○ 2026-04-11 22:22:28
● 2026-04-12 07:51:40
● 2026-04-12 07:51:42

●A108.157.173.42026-04-12 → 2026-04-12 · 3 obs

○ 2026-04-11 22:22:28
● 2026-04-12 07:51:40
● 2026-04-12 07:51:42

●A108.157.173.402026-04-12 → 2026-04-12 · 3 obs

○ 2026-04-11 22:22:28
● 2026-04-12 07:51:40
● 2026-04-12 07:51:42

○A13.35.78.1272026-02-21 → 2026-03-26 · 39 obs

○ 2026-02-21 00:46:36
● 2026-02-21 11:20:50
● 2026-02-21 15:52:02
○ 2026-02-22 05:01:46
○ 2026-02-23 13:14:24
● 2026-02-23 23:36:04
● 2026-02-24 04:04:18
○ 2026-02-24 05:02:52
○ 2026-02-28 03:55:16
● 2026-02-28 04:56:52
○ 2026-02-28 11:32:20
○ 2026-03-03 00:15:48
● 2026-03-03 01:17:12
○ 2026-03-03 23:04:46
○ 2026-03-04 11:46:42
● 2026-03-05 12:56:24
● 2026-03-05 17:54:14
○ 2026-03-06 00:06:12
○ 2026-03-06 16:52:00
● 2026-03-06 21:01:14
● 2026-03-07 03:40:14
○ 2026-03-07 18:41:54
○ 2026-03-13 02:54:04
● 2026-03-13 23:46:26
● 2026-03-14 00:28:46
○ 2026-03-14 03:50:20
○ 2026-03-15 02:15:10
● 2026-03-15 04:26:04
○ 2026-03-15 04:56:52
○ 2026-03-17 15:36:28
● 2026-03-17 19:16:18
○ 2026-03-17 21:34:14
○ 2026-03-19 07:35:38
● 2026-03-19 19:39:42
○ 2026-03-19 21:32:30
○ 2026-03-24 15:44:44
● 2026-03-26 04:50:10
○ 2026-03-26 17:36:52
○ 2026-04-12 07:51:42

○A13.35.78.212026-02-21 → 2026-03-26 · 39 obs

○A13.35.78.502026-02-21 → 2026-03-26 · 39 obs

○A13.35.78.822026-02-21 → 2026-03-26 · 39 obs

○A52.222.244.1002026-02-17 → 2026-03-19 · 43 obs

● 2026-02-17 18:38:36
● 2026-02-19 23:53:32
○ 2026-02-20 08:33:14
○ 2026-02-22 05:01:46
● 2026-02-22 16:40:22
○ 2026-02-22 22:30:08
○ 2026-02-24 05:02:52
● 2026-02-25 05:37:24
● 2026-02-27 05:29:20
○ 2026-02-27 12:18:52
○ 2026-03-01 06:45:42
● 2026-03-01 08:07:48
● 2026-03-02 01:28:30
○ 2026-03-02 12:11:18
○ 2026-03-02 22:16:18
● 2026-03-03 00:15:48
○ 2026-03-03 01:17:12
○ 2026-03-06 00:06:12
● 2026-03-06 16:52:00
○ 2026-03-06 21:01:14
○ 2026-03-07 18:41:54
● 2026-03-08 05:22:46
○ 2026-03-08 06:35:08
○ 2026-03-14 00:28:46
● 2026-03-14 03:50:20
● 2026-03-14 04:21:26
○ 2026-03-14 09:12:16
○ 2026-03-14 19:49:06
● 2026-03-14 21:25:16
● 2026-03-15 01:25:06
○ 2026-03-15 02:15:10
○ 2026-03-16 16:55:38
● 2026-03-16 22:11:44
○ 2026-03-17 04:30:28
○ 2026-03-17 06:00:28
● 2026-03-17 15:36:28
○ 2026-03-17 19:16:18
● 2026-03-17 21:34:14
○ 2026-03-17 23:28:52
○ 2026-03-18 21:57:22
● 2026-03-19 03:02:34
○ 2026-03-19 07:35:38
○ 2026-04-12 07:51:42

○A52.222.244.292026-02-17 → 2026-03-19 · 43 obs

○A52.222.244.322026-02-17 → 2026-03-19 · 43 obs

○A52.222.244.632026-02-17 → 2026-03-19 · 43 obs

○A52.84.118.142026-03-01 → 2026-04-11 · 47 obs

○ 2026-02-28 11:32:20
● 2026-03-01 05:11:02
● 2026-03-01 06:45:42
○ 2026-03-01 08:07:48
○ 2026-03-02 01:28:30
● 2026-03-02 12:11:18
● 2026-03-02 22:16:18
○ 2026-03-03 00:15:48
○ 2026-03-03 01:17:12
● 2026-03-03 23:04:46
● 2026-03-04 11:46:42
○ 2026-03-05 12:56:24
○ 2026-03-05 17:54:14
● 2026-03-06 00:06:12
○ 2026-03-06 16:52:00
○ 2026-03-07 03:40:14
● 2026-03-07 18:41:54
○ 2026-03-08 05:22:46
● 2026-03-08 06:35:08
● 2026-03-13 02:54:04
○ 2026-03-13 23:46:26
○ 2026-03-14 04:21:26
● 2026-03-14 09:12:16
● 2026-03-14 19:49:06
○ 2026-03-14 21:25:16
○ 2026-03-15 01:25:06
● 2026-03-15 02:15:10
○ 2026-03-15 04:26:04
● 2026-03-15 04:56:52
● 2026-03-15 17:01:38
○ 2026-03-16 03:12:32
● 2026-03-16 05:13:50
● 2026-03-16 16:55:38
○ 2026-03-16 22:11:44
○ 2026-03-17 21:34:14
● 2026-03-17 23:28:52
● 2026-03-18 21:57:22
○ 2026-03-19 03:02:34
● 2026-03-19 07:35:38
○ 2026-03-19 19:39:42
● 2026-03-19 21:32:30
● 2026-03-24 15:44:44
○ 2026-03-26 04:50:10
● 2026-03-26 17:36:52
● 2026-04-11 22:22:28
○ 2026-04-12 07:51:40
○ 2026-04-12 07:51:42

○A52.84.118.652026-03-01 → 2026-04-11 · 47 obs

○A52.84.118.832026-03-01 → 2026-04-11 · 47 obs

○A52.84.118.862026-03-01 → 2026-04-11 · 47 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...	-
buupschool.com	ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com, ens4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.192.62

NS records: ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com, ens4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buupschool.com (unsigned zone)

⏱️ Timing

Total: 153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.157.173.113, 108.157.173.4...`
NS	4	`ens1.hostcocoa.com, ens2.hostcocoa.com...`
SOA	1	`ens1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com...)

Analysis

IP Addresses

buupschool.com maps to four IP numbers: 108.157.173.4, 108.157.173.40, 108.157.173.113 and 108.157.173.122.

Other host names such as cannerfinancial.com, d2miug47qfp2c.cloudfront.net, dfszl9h2uvtdq.cloudfront.net, bundesliga-leaguepass.com and dmmsu8bxmwcdv.cloudfront.net share IPs with buupschool.com.

Name Servers

buupschool.com is delegated to four name servers: ens1.hostcocoa.com, ens2.hostcocoa.com, ens3.hostcocoa.com and ens4.hostcocoa.com.

buupschool.com at least partially shares name servers with other domains, for example anmin.kr, next-architecture.com, wiconvention.co.kr, anjintech.co.kr and hnable.or.kr.

Host names with one IP number:

ens1.hostcocoa.com points to: 205.251.195.69

ens2.hostcocoa.com points to: 205.251.196.43

ens3.hostcocoa.com points to: 205.251.199.129

ens4.hostcocoa.com points to: 205.251.192.62

buupschool.com - robtex.com

buupschool.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`buupschool.com`

`com`