`tbr.edu`

DNSSEC	⚠️ Not signed
A	2620:12a:8000::3^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
A	2620:12a:8001::3^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
A	23.185.0.3^{🇺🇸 Fastly23.185.0.0/24 Pantheon}
NS	`ns1-04.azure-dns.com` ⭐
		A	2603:1061:0:700::4^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-04.azure-dns.com`
		A	13.107.236.4^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-04.azure-dns.com`
NS	`ns2-04.azure-dns.net`
		A	2620:1ec:8ec:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-04.azure-dns.net`
		A	150.171.21.4^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-04.azure-dns.net`
NS	`ns3-04.azure-dns.org`
		A	2a01:111:4000:700::4^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-04.azure-dns.org`
		A	204.14.183.4^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-04.azure-dns.org`
NS	`ns4-04.azure-dns.info`
		A	2620:1ec:bda:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-04.azure-dns.info`
		A	208.84.5.4^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-04.azure-dns.info`
MX	`tbr-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c903::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.10.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr02cu00301.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
TXT	`MS=ms67532607`
TXT	`zW4TQr4BErPoe+gmObTbqwQ5PdYZ9o8h0ZGWm4Aa+3nMPSjKxf7b04XqKnyrSwTAwVgJ30c9KAVQn...`
TXT	`Sendinblue-code:ed382edff1d3e607ac9dba8bfafb2754`
TXT	`atlassian-domain-verification=VZZh42cx3eqSrOpr5/zr24fOzu0T/1a3aiZd4l/gmpT5gPw...`
TXT	`smartsheet-site-validation=HdJg7IHh6S_5IyTOwAs-74pZ4RawjyR2`
TXT	`v=spf1 ip4:4.151.141.167 ip4:208.185.229.0/24 ip4:208.185.235.0/24 ip4:208.93...`
TXT	`+include:outboundmail.blackbaud.net ~all`
TXT	`apple-domain-verification=Y861ThPAuQz3zfzZ`
TXT	`adobe-idp-site-verification=7ef795fea9973e06a29fafde14032194e7f4634c9d92e883e...`
TXT	`linkedin-site-verification=7a98cd8f-a2e8-4f99-8e30-7ec9dec9c9e6`
SOA	`ns1-04.azure-dns.com`msnhst@microsoft.com 2016-03-25 #0

`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 #273088 globally
rank #2227 in the tld
📈 Tranco rank: #248,908

Subdomains

completionagenda.tbr.edu

banner.tbr.edu

elearn.tbr.edu

tcat.tbr.edu

careers.tbr.edu

collab.tbr.edu

www.tbr.edu

ns2.tbr.edu

vpn.tbr.edu

banss.tbr.edu

contracts.tbr.edu

dns1.tbr.edu

webapps.tbr.edu

emma.tbr.edu

dualcredit.tbr.edu

dns2.tbr.edu

Same first word

tbr.co.jp

tbr.info

tbr.ind.br

tbr.ovh

tbr.me

tbr.cc

tbr.is

tbr.tv

tbr.bg

tbr.pl

tbr.com.ar

tbr.it

tbr.ee

tbr.edu

tbr.nl

tbr.us

tbr.com

tbr.sk

tbr.nu

tbr.co.nz

tbr.net.cn

tbr.at

tbr.com.au

tbr.be

tbr.mobi

tbr.travel

tbr.cn

tbr.co

tbr.ca

tbr.es

tbr.vn

tbr.net

tbr.de

tbr.ch

tbr.org

tbr.ru

tbr.dental

tbr.ie

Similar names

trb.com.ph

trb.co.in

brt.com

trb.fi

rbt.com.br

btr.ee

brt.ca

rbt.info

rbt.net.ua

rtb.expert

rbt.lv

rbt.group

brt.gmbh

trb.com.ua

brt.ee

rbt.nyc

rbt.guru

rtb.com.ua

rbt.demon.nl

rtb.as

rtb.dev

rtb.im

brt.lv

brt.tj

rbt.rs

brt.(0x736578)y

rbt.pt

rtb.dk

rtb.email

btr.lt

trb.bank

rbt.ca

trb.s3.amazonaws.com

rtb.iq

rbt.awsapps.com

trb.com.de

rbt.cz

trb.dk

trb.co.il

brt.rio

rtb.kz

trb.it

brt.com.ua

rbt.se

btr.bet

rtb.cc

rbt.pe

btr.pt

rtb.it

btr.co.nz

rtb.website

brt.by

rbt.ir

brt.ua

brt.net

trb.com.au

brt.cc

trb.edgesuite.net

rbt.ai

rbt.com

trb.nl

btr.hu

btr.ch

brt.com.ar

btr.cc

rtb.pl

trb.ai

btr.org.uk

rtb.my.id

rbt.co.za

rtb.be

trb.wa.gov.au

btr.net

brt.com.tr

rtb.events

rbt.sk

rtb.org.tr

rbt.pl

rtb.cat

rbt.as

rtb.com

trb.jp

btr.org

trb.de

brt.biz

rbt.me

rbt.taxi

brt.psi.br

trb.events

DNS History

17 records (8 active, 9 former)

●NSns1-04.azure-dns.com2016-03-31 → 2026-03-19 · 3 obs

○ 2016-03-22 13:47:34
● 2016-03-31 20:13:48
● 2026-03-19 10:31:58

○NSns1.tbr.edu2009-01-28 → 2016-03-22 · 4 obs

● 2009-01-28 16:48:44
● 2016-03-22 13:47:34
○ 2016-03-31 20:13:48
○ 2026-03-19 10:31:58

○NSns1.tec.net2009-01-28 → 2016-03-22 · 4 obs

● 2009-01-28 16:48:44
● 2016-03-22 13:47:34
○ 2016-03-31 20:13:48
○ 2026-03-19 10:31:58

●NSns2-04.azure-dns.net2016-03-31 → 2026-03-19 · 3 obs

○ 2016-03-22 13:47:34
● 2016-03-31 20:13:48
● 2026-03-19 10:31:58

○NSns2.tbr.edu2015-09-03 → 2016-03-22 · 5 obs

○ 2009-01-28 16:48:44
● 2015-09-03 09:20:44
● 2016-03-22 13:47:34
○ 2016-03-31 20:13:48
○ 2026-03-19 10:31:58

●NSns3-04.azure-dns.org2016-03-31 → 2026-03-19 · 3 obs

○ 2016-03-22 13:47:34
● 2016-03-31 20:13:48
● 2026-03-19 10:31:58

●NSns4-04.azure-dns.info2016-03-31 → 2026-03-19 · 3 obs

○ 2016-03-22 13:47:34
● 2016-03-31 20:13:48
● 2026-03-19 10:31:58

○NStbrns1.memphis.edu2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 16:48:44
○ 2015-09-03 09:20:44
○ 2026-03-19 10:31:58

○MXexchange.tbr.edu2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 16:48:44
○ 2015-09-03 09:20:44
○ 2026-03-19 10:31:58

●MXtbr-edu.mail.protection.outlook.com2015-09-03 → 2026-03-19 · 3 obs

○ 2009-01-28 16:48:44
● 2015-09-03 09:20:44
● 2026-03-19 10:31:58

○A12.228.6.2152021-06-09 → 2021-06-09 · 4 obs

○ 2018-12-01 15:25:00
● 2021-06-09 22:04:16
○ 2026-02-23 07:26:04
○ 2026-03-19 10:31:58

○A13.89.55.1872016-09-09 → 2018-09-14 · 5 obs

○ 2016-09-02 06:46:52
● 2016-09-09 20:18:04
● 2018-09-14 03:08:38
○ 2018-12-01 15:25:00
○ 2026-03-19 10:31:58

○A198.146.12.142009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 16:48:44
○ 2015-09-03 09:20:44
○ 2026-03-19 10:31:58

○A198.146.12.982015-09-03 → 2016-09-02 · 5 obs

○ 2009-01-28 16:48:44
● 2015-09-03 09:20:44
● 2016-09-02 06:46:52
○ 2016-09-09 20:18:04
○ 2026-03-19 10:31:58

●A23.185.0.32018-12-01 → 2026-03-19 · 3 obs

○ 2018-09-14 03:08:38
● 2018-12-01 15:25:00
● 2026-03-19 10:31:58

●A2620:12a:8000::32018-12-01 → 2026-03-19 · 3 obs

○ 2018-09-14 03:08:38
● 2018-12-01 15:25:00
● 2026-03-19 10:31:58

●A2620:12a:8001::32018-12-01 → 2026-03-19 · 3 obs

○ 2018-09-14 03:08:38
● 2018-12-01 15:25:00
● 2026-03-19 10:31:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
tbr.edu	ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info	-

✅ Authoritative Response

Server: 13.107.236.4

NS records: ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tbr.edu (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.185.0.3`
AAAA	2	`2620:12a:8000::3, 2620:12a:8001::3`
NS	4	`ns1-04.azure-dns.com, ns2-04.azure-dns.net...`
MX	1	`tbr-edu.mail.protection.outlook.com (pri`
TXT	10	`MS=ms67532607, +include:outboundmail.blackbaud.net ~all...`
SOA	1	`ns1-04.azure-dns.com msnhst.microsoft.co`

Analysis

Hierarchy

tbr.edu is the parent of completionagenda.tbr.edu, banner.tbr.edu, elearn.tbr.edu, tcat.tbr.edu, careers.tbr.edu and a few other host names.