`collegecheck.net`

DNSSEC	⚠️ Not signed
A	149.28.39.229^{🇺🇸 AS-VULTR149.28.32.0/19 Vultr Assigned Prefix}
		PTR	`mhzweb.vps.mhz.biz`
NS	`ns29.domaincontrol.com` ⭐
		A	2603:5:2181::f^{🇺🇸 GODADDY-DNS2603:5:2180::/44}
			PTR	`ns29.domaincontrol.com`
		A	97.74.104.15^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns29.domaincontrol.com`
NS	`ns30.domaincontrol.com`
		A	2603:5:2281::f^{🇺🇸 GODADDY-DNS2603:5:2280::/44}
			PTR	`ns30.domaincontrol.com`
		A	173.201.72.15^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns30.domaincontrol.com`
MX	`collegecheck-net.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`ip-52-101-11-15.defastlink.net`
		A	52.101.40.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr05cu00100.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all`
TXT	`google-site-verification=BwDQaL9mtl2Q19TJPVaMYSYrxDJ-VNhzATTZulCjyuM`
SOA	`ns29.domaincontrol.com`dns@jomax.net 2020-12-14 #0

`net`

	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=1776202577

Same first word

collegecheck.net

DNS History

12 records (4 active, 8 former)

○NSa.ns36.de2015-06-27 → 2016-12-30 · 4 obs

● 2015-06-27 02:37:18
● 2016-12-30 12:22:12
○ 2017-12-07 06:32:28
○ 2026-04-14 21:51:24

○NSb.ns36.de2015-06-27 → 2016-12-30 · 4 obs

● 2015-06-27 02:37:18
● 2016-12-30 12:22:12
○ 2017-12-07 06:32:28
○ 2026-04-14 21:51:24

○NSdocks09.rzone.de2017-12-07 → 2017-12-07 · 4 obs

○ 2016-12-30 12:22:12
● 2017-12-07 06:32:28
○ 2026-02-22 08:45:58
○ 2026-04-14 21:51:24

●NSns29.domaincontrol.com2026-02-22 → 2026-04-14 · 3 obs

○ 2017-12-07 06:32:28
● 2026-02-22 08:45:58
● 2026-04-14 21:51:24

●NSns30.domaincontrol.com2026-02-22 → 2026-04-14 · 3 obs

○ 2017-12-07 06:32:28
● 2026-02-22 08:45:58
● 2026-04-14 21:51:24

○NSshades09.rzone.de2017-12-07 → 2017-12-07 · 4 obs

○ 2016-12-30 12:22:12
● 2017-12-07 06:32:28
○ 2026-02-22 08:45:58
○ 2026-04-14 21:51:24

●MXcollegecheck-net.mail.protection.outlook.com2026-02-22 → 2026-04-14 · 3 obs

○ 2017-12-07 06:32:28
● 2026-02-22 08:45:58
● 2026-04-14 21:51:24

○MXmailgw.ns36.de2015-06-27 → 2016-12-30 · 4 obs

● 2015-06-27 02:37:18
● 2016-12-30 12:22:12
○ 2017-12-07 06:32:28
○ 2026-04-14 21:51:24

○MXsmtpin.rzone.de2017-12-07 → 2017-12-07 · 4 obs

○ 2016-12-30 12:22:12
● 2017-12-07 06:32:28
○ 2026-02-22 08:45:58
○ 2026-04-14 21:51:24

●A149.28.39.2292026-02-22 → 2026-04-14 · 3 obs

○ 2017-12-07 06:32:28
● 2026-02-22 08:45:58
● 2026-04-14 21:51:24

○A185.53.177.312017-12-07 → 2017-12-07 · 4 obs

○ 2016-12-30 12:22:12
● 2017-12-07 06:32:28
○ 2026-02-22 08:45:58
○ 2026-04-14 21:51:24

○A72.52.4.902015-06-27 → 2016-12-30 · 4 obs

● 2015-06-27 02:37:18
● 2016-12-30 12:22:12
○ 2017-12-07 06:32:28
○ 2026-04-14 21:51:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	d.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
collegecheck.net	ns29.domaincontrol.com, ns30.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.72.15

NS records: ns29.domaincontrol.com, ns30.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for collegecheck.net (unsigned zone)

⏱️ Timing

Total: 279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.28.39.229`
NS	2	`ns29.domaincontrol.com, ns30.domaincontrol.com`
MX	1	`collegecheck-net.mail.protection.outlook`
TXT	2	`v=spf1 include:spf.mailjet.com include:s, google-site-verification=BwDQaL9mtl2Q19T`
SOA	1	`ns29.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

collegecheck.net points to a single IP: 149.28.39.229.

Other host names, for instance ribridge.org, mail.marketforum.com, marketforum.com, nemrc.org and mhzweb.vps.mhz.biz share IP numbers with collegecheck.net.

Name Servers

Two name servers ns29.domaincontrol.com and ns30.domaincontrol.com handle delegation for collegecheck.net.

collegecheck.net uses the same name server setup as other domains, for example streitman.com, abcforpets.net, kryptrading.com, reynolds2therescue.com and out-haus.com.

collegecheck.net shares name servers with other domains at least in part, for instance wisatasamudera.com.

Host names with two IP numbers:

ns29.domaincontrol.com points to: 2603:5:2181::f and 97.74.104.15

ns30.domaincontrol.com points to: 2603:5:2281::f and 173.201.72.15

Mail Servers

collegecheck.net is handled by a single mail server, collegecheck-net.mail.protection.outlook.com.

Hostname collegecheck-net.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c902::6, 2a01:111:f403:c946::, 2a01:111:f403:c946::4, 52.101.10.6, 52.101.11.15, 52.101.40.24 and 52.101.50.7.

collegecheck.net - robtex.com