`blinn.edu`

DNSSEC	⚠️ Not signed
A	64.92.176.84^{🇺🇸 AS104464.92.176.0/21 Blinn College}
		PTR	`by_blackbeard.blinn.edu`
NS	`ns1-09.azure-dns.com` ⭐
		A	2603:1061:0:700::9^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
		A	13.107.236.9^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
NS	`blinndns2.blinn.edu` ⚠️ Not in zone NS records
		A	64.92.176.242^{🇺🇸 AS104464.92.176.0/21 Blinn College}
			PTR	`blinndns2.buccaneersports.com`
			PTR	`blinndns2.tedxblinncollege.com`
			PTR	`blinndns2.blinndev.org`
NS	`ns2-09.azure-dns.net`
		A	2620:1ec:8ec:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
		A	150.171.21.9^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
NS	`ns3-09.azure-dns.org`
		A	2a01:111:4000:700::9^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-09.azure-dns.org`
		A	204.14.183.9^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-09.azure-dns.org`
NS	`ns4-09.azure-dns.info`
		A	2620:1ec:bda:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
		A	208.84.5.9^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
MX	`blinn-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.9.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00400.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`fJw+uuSeNfhO3e0AE7NTuiN2eCzmwUo+g2ryxahg0ZaGnfcakJEU0BrRehCq2xNm5b2Sqlkct40fa...`
TXT	`MS=ms99794760`
TXT	`google-site-verification=r78wLjaOU2t90OxPILZG5vIBO95s4g6u-JfnIeIsY3I`
TXT	`v=spf1 include:sendgrid.net include:quikpayasp.com include:_spf1.mailgun.org ...`
SOA	`ns1-09.azure-dns.com`hostmaster@blinn.edu serial=1870

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1772435516

rank #190225 globally
rank #1832 in the tld
WOT: SAFE (70/100)
📈 Tranco rank: #59,629

Subdomains

br-f5gtm.blinn.edu

ethos.blinn.edu

by-f5gtm.blinn.edu

pyxis.blinn.edu

www.blinn.edu

buc.blinn.edu

kidd.blinn.edu

by_blackbeard.blinn.edu

autodiscover.blinn.edu

ecampusd2l.blinn.edu

bc.blinn.edu

oxford.blinn.edu

exchange.blinn.edu

ecampusd2lmail.blinn.edu

my.blinn.edu

blinndns2.blinn.edu

Same first word

blinn.dk

blinn.de

blinn.edu

blinn.org

blinn.com

blinn.info

blinn.net

Similar names

libnn.ru

libnn.com

nnbil.com

nnlib.com

nblin.com

nlnib.co.uk

bninl.com

bninl.ca

lbinn.com

bnlin.com

lnbin.com

bilnn.com

DNS History

15 records (7 active, 8 former)

○NSblinndns1.blinn.edu2015-08-29 → 2018-10-05 · 4 obs

● 2015-08-29 14:53:58
● 2018-10-05 18:26:16
○ 2026-02-14 18:47:44
○ 2026-03-04 14:17:30

●NSblinndns2.blinn.edu2015-08-29 → 2026-03-04 · 2 obs

● 2015-08-29 14:53:58
● 2026-03-04 14:17:30

○NSblinndns3.blinn.edu2015-08-29 → 2018-10-05 · 4 obs

● 2015-08-29 14:53:58
● 2018-10-05 18:26:16
○ 2026-02-14 18:47:44
○ 2026-03-04 14:17:30

○NSblinndns4.blinn.edu2015-08-29 → 2018-10-05 · 4 obs

● 2015-08-29 14:53:58
● 2018-10-05 18:26:16
○ 2026-02-14 18:47:44
○ 2026-03-04 14:17:30

○NSbyexdns1.blinn.edu2026-02-14 → 2026-03-03 · 45 obs

○ 2018-10-05 18:26:16
● 2026-02-14 18:47:44
○ 2026-02-14 21:32:16
● 2026-02-15 03:29:52
● 2026-02-15 12:35:10
○ 2026-02-15 14:49:22
○ 2026-02-16 15:27:58
● 2026-02-16 21:33:30
○ 2026-02-17 00:00:20
● 2026-02-17 11:05:00
○ 2026-02-17 14:40:02
● 2026-02-17 18:46:04
● 2026-02-18 14:23:36
○ 2026-02-18 15:09:58
● 2026-02-18 21:08:22
● 2026-02-19 00:50:50
○ 2026-02-19 12:32:26
● 2026-02-20 13:42:08
○ 2026-02-20 19:05:30
○ 2026-02-21 19:50:00
● 2026-02-22 05:22:58
○ 2026-02-22 08:37:26
○ 2026-02-23 13:00:32
● 2026-02-23 15:10:52
○ 2026-02-23 16:59:42
○ 2026-02-24 19:42:30
● 2026-02-25 05:06:28
● 2026-02-25 19:50:12
○ 2026-02-25 22:38:36
○ 2026-02-26 12:24:02
● 2026-02-27 22:06:08
○ 2026-02-28 02:28:56
○ 2026-02-28 05:13:22
● 2026-02-28 12:12:48
○ 2026-02-28 20:05:02
○ 2026-02-28 22:06:42
● 2026-03-01 02:33:56
○ 2026-03-01 20:57:04
● 2026-03-01 22:36:16
○ 2026-03-02 04:57:14
○ 2026-03-03 04:57:34
● 2026-03-03 12:41:28
● 2026-03-03 23:39:48
○ 2026-03-04 03:21:50
○ 2026-03-04 14:17:30

●NSns1-09.azure-dns.com2026-02-14 → 2026-03-04 · 3 obs

○ 2018-10-05 18:26:16
● 2026-02-14 18:47:44
● 2026-03-04 14:17:30

●NSns2-09.azure-dns.net2026-02-14 → 2026-03-04 · 3 obs

○ 2018-10-05 18:26:16
● 2026-02-14 18:47:44
● 2026-03-04 14:17:30

●NSns3-09.azure-dns.org2026-02-14 → 2026-03-04 · 3 obs

○ 2018-10-05 18:26:16
● 2026-02-14 18:47:44
● 2026-03-04 14:17:30

●NSns4-09.azure-dns.info2026-02-14 → 2026-03-04 · 3 obs

○ 2018-10-05 18:26:16
● 2026-02-14 18:47:44
● 2026-03-04 14:17:30

●MXblinn-edu.mail.protection.outlook.com2018-10-05 → 2026-03-04 · 3 obs

○ 2017-12-26 22:52:48
● 2018-10-05 18:26:16
● 2026-03-04 14:17:30

○MXblinn.edu.mx1.rcimx.com2015-08-29 → 2017-12-26 · 4 obs

● 2015-08-29 14:53:58
● 2017-12-26 22:52:48
○ 2018-10-05 18:26:16
○ 2026-03-04 14:17:30

○MXblinn.edu.mx2.rcimx.com2015-08-29 → 2017-12-26 · 4 obs

● 2015-08-29 14:53:58
● 2017-12-26 22:52:48
○ 2018-10-05 18:26:16
○ 2026-03-04 14:17:30

○MXblinn.edu.mx3.rcimx.com2015-08-29 → 2017-12-26 · 4 obs

● 2015-08-29 14:53:58
● 2017-12-26 22:52:48
○ 2018-10-05 18:26:16
○ 2026-03-04 14:17:30

○MXblinn.edu.mx4.rcimx.com2015-08-29 → 2017-10-14 · 4 obs

● 2015-08-29 14:53:58
● 2017-10-14 22:29:56
○ 2017-12-26 22:52:48
○ 2026-03-04 14:17:30

●A64.92.176.842015-08-29 → 2026-03-04 · 2 obs

● 2015-08-29 14:53:58
● 2026-03-04 14:17:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	26 records
blinn.edu	blinndns2.blinn.edu, ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org...	1 record

✅ Authoritative Response

Server: 64.92.176.242

NS records: blinndns2.blinn.edu, ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blinn.edu (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.92.176.84`
NS	1	`blinndns2.blinn.edu`
MX	1	`blinn-edu.mail.protection.outlook.com (p`
TXT	4	`fJw+uuSeNfhO3e0AE7NTuiN2eCzmwUo+g2ryxahg, MS=ms99794760...`
SOA	1	`byexdns1.blinn.edu hostmaster.blinn.edu`

📌 Glue Records Collected

Total: 27

In-bailiwick: 1 (blinndns2.blinn.edu)

Out-of-bailiwick: 26 (a.edu-servers.net, a.edu-servers.net, b.edu-servers.net...)

Analysis

Hierarchy

blinn.edu is a parent of br-f5gtm.blinn.edu, ethos.blinn.edu, by-f5gtm.blinn.edu, pyxis.blinn.edu and www.blinn.edu, plus a few other host names.

IP Addresses

blinn.edu resolves to one IP number: 64.92.176.84.

Other host names, for example by_blackbeard.blinn.edu, share IP numbers with blinn.edu.

Name Servers

blinn.edu is delegated to five name servers: ns1-09.azure-dns.com, blinndns2.blinn.edu, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.

blinn.edu at least partially shares name servers with other domains, including iffwfc.org, lostodyssey.com, vmc.com.ar, decotex.co.uk and thiessmining.com.au.

Hosts with two IP numbers:

Host ns1-09.azure-dns.com points to 2603:1061:0:700::9 and 13.107.236.9.

Host ns4-09.azure-dns.info points to 2620:1ec:bda:700::9 and 208.84.5.9.

Host ns2-09.azure-dns.net points to 2620:1ec:8ec:700::9 and 150.171.21.9.

Host ns3-09.azure-dns.org points to 2a01:111:4000:700::9 and 204.14.183.9.

Hosts with one IP number:

Host blinndns2.blinn.edu points to 64.92.176.242.

Mail Servers

A single mail server handles blinn.edu, blinn-edu.mail.protection.outlook.com.

Host blinn-edu.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:f902::, 2a01:111:f403:f909::, 2a01:111:f403:f90d::, 2a01:111:f403:f913::, 52.101.9.24, 52.101.11.19, 52.101.41.26 and 52.101.41.28.

blinn.edu - robtex.com

blinn.edu

edu

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`blinn.edu`

`edu`