`calu.edu`

DNSSEC	⚠️ Not signed
A	209.250.207.155^{🇺🇸 CLAR209.250.192.0/20}
NS	`ns1-34.azure-dns.com` ⭐
		A	2603:1061:0:10::22^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-34.azure-dns.com`
		A	150.171.10.34^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns1-34.azure-dns.com`
NS	`ns2-34.azure-dns.net`
		A	2620:1ec:8ec:10::22^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-34.azure-dns.net`
		A	150.171.16.34^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-34.azure-dns.net`
NS	`ns3-34.azure-dns.org`
		A	2a01:111:4000:10::22^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-34.azure-dns.org`
		A	13.107.222.34^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns3-34.azure-dns.org`
NS	`ns4-34.azure-dns.info`
		A	2620:1ec:bda:10::22^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-34.azure-dns.info`
		A	13.107.206.34^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns4-34.azure-dns.info`
MX	`calu-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	40.93.192.4^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.8.42^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr03cu00402.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
TXT	`MS=ms18503921`
TXT	`_sl4ww3e0wyig5qslk0lwthrfo7ezi8r`
TXT	`s7dpgxqj0q1rchkt1pngsgd1cn9q1wft`
TXT	`apple-domain-verification=7aTAn4U6cSdTFZ8T`
TXT	`MS=4938D75E7395363863F397403EECB7C62790329F`
TXT	`docusign=d722a67c-48ee-49b4-9c5f-4eb3114706ab`
TXT	`1fSzwFeR9ZAw4Xxp0op/BelAuJMpp7PFb+cwqOVi8u99OuvoHMwdzRCmfteQN3Mte+JKGrlqfByy+...`
TXT	`v=spf1 ip4:158.83.2.34 ip4:209.250.221.10 ip4:64.74.237.230/31 ip4:216.147.21...`
SOA	`ns1-34.azure-dns.com`postmaster@calu.edu serial=828

`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=1771608165

rank #183215 globally
rank #1790 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #220,433

Up

sai.calu.edu

gameregister.calu.edu

ldap2.calu.edu

prodou.calu.edu

archive.calu.edu

cutv.calu.edu

institutes.calu.edu

login.calu.edu

calucenter.calu.edu

m.calu.edu

www.calu.edu

devou.calu.edu

eventphotos.calu.edu

surveys.calu.edu

parking.calu.edu

wcal.calu.edu

autodiscover.calu.edu

cwis.calu.edu

workforce.calu.edu

scheduler.calu.edu

desire2learn.calu.edu

dev.calu.edu

d2l.calu.edu

ldap1.calu.edu

Same first word

calu.pl

calu.ca

calu.info

calu.se

calu.net

calu.it

calu.me

calu.at

calu.eu

calu.nl

calu.ch

calu.dk

calu.io

calu.cl

calu.sk

calu.be

calu.co

calu.app

calu.com

calu.org

calu.de

calu.biz

calu.com.br

calu.cz

calu.com.pe

calu.us

calu.edu

calu.com.cn

Similar names

luca.ie

ulac.ru

cula.ca

ucla.fund

luac.lv

luca.co

cula.cn

ucal.ru

aluc.ru

cual.co.za

aclu.com

luca.ro

ucal.com

aluc.lu

luca.eu

luca.vc

cula.com

luca.co.il

ucla.university

caul.com

aclu.us

cula.cz

ulac.cn

acul.com

uacl.com

acul.be

cula.io

alcu.cn

uacl.org

clau.cl

cula.edu

luca.hu

ualc.com

ucla.cn

ucla.es

ulac.com

aulc.us

ucal.fr

ucal.cc

aluc.cn

lauc.com

uacl.net

caul.cn

ucla.it

luca.nyc

cual.it

lacu.us

ulac.myshopify.com

lacu.com

cual.com.cn

clau.net

ucla.edu.ve

luca.co.in

ucla.nl

acul.ru

ucal.at

cula.ru

ucla.legal

luca.fm

ucla.co

luca.in

luca.ky

ucal.net

luac.com

ulac.edu.mx

cual.co

ulca.com.my

cual.com.es

aclu.dev

luca.fi

luca.sakura.ne.jp

clua.net

ucal.nl

ulac.net

ulca.ru

acul.nl

acul.fr

aluc.jp

alcu.co.za

luca.pro

luca.cz

luca.to

luca.se

aclu.info

luca.world

alcu.ru

ualc.net

aluc.eu

luca.mk

caul.it

ucal.coop

cula.co.uk

luca.sa

luca.wtf

ucal.ca

ucla.biz

aclu.net

aluc.com

ulac.edu.ve

ucla.in

aclu.org

ucla.de

luca.it

ucal.us

luca.gold

aclu.map.fastly.net

luca.restaurant

luca.vn

aluc.de

ucal.org

alcu.org

caul.com.ar

luac.com.br

alcu.si

cual.de

DNS History

16 records (6 active, 10 former)

○NSmlapp031.calu.edu2016-05-21 → 2020-11-04 · 5 obs

○ 2016-05-13 23:12:52
● 2016-05-21 20:29:36
● 2020-11-04 12:37:16
○ 2026-02-14 20:08:04
○ 2026-02-27 19:05:22

○NSmlapp032.calu.edu2016-05-21 → 2020-11-04 · 5 obs

○ 2016-05-13 23:12:52
● 2016-05-21 20:29:36
● 2020-11-04 12:37:16
○ 2026-02-14 20:08:04
○ 2026-02-27 19:05:22

○NSmlctldc.calu.lcl2015-08-10 → 2016-05-13 · 4 obs

● 2015-08-10 02:58:28
● 2016-05-13 23:12:52
○ 2016-05-21 20:29:36
○ 2026-02-27 19:05:22

○NSmldcpdc.calu.lcl2015-08-10 → 2016-05-13 · 4 obs

● 2015-08-10 02:58:28
● 2016-05-13 23:12:52
○ 2016-05-21 20:29:36
○ 2026-02-27 19:05:22

○NSmldns1.calu.edu2015-08-10 → 2016-05-13 · 4 obs

● 2015-08-10 02:58:28
● 2016-05-13 23:12:52
○ 2016-05-21 20:29:36
○ 2026-02-27 19:05:22

○NSmldns2.calu.edu2015-08-10 → 2016-05-13 · 4 obs

● 2015-08-10 02:58:28
● 2016-05-13 23:12:52
○ 2016-05-21 20:29:36
○ 2026-02-27 19:05:22

○NSmlgbldc.calu.lcl2015-08-10 → 2016-05-13 · 4 obs

● 2015-08-10 02:58:28
● 2016-05-13 23:12:52
○ 2016-05-21 20:29:36
○ 2026-02-27 19:05:22

●NSns1-34.azure-dns.com2026-02-14 → 2026-02-27 · 3 obs

○ 2020-11-04 12:37:16
● 2026-02-14 20:08:04
● 2026-02-27 19:05:22

●NSns2-34.azure-dns.net2026-02-14 → 2026-02-27 · 3 obs

○ 2020-11-04 12:37:16
● 2026-02-14 20:08:04
● 2026-02-27 19:05:22

●NSns3-34.azure-dns.org2026-02-14 → 2026-02-27 · 3 obs

○ 2020-11-04 12:37:16
● 2026-02-14 20:08:04
● 2026-02-27 19:05:22

●NSns4-34.azure-dns.info2026-02-14 → 2026-02-27 · 3 obs

○ 2020-11-04 12:37:16
● 2026-02-14 20:08:04
● 2026-02-27 19:05:22

○MXcalu-edu.mail.eo.outlook.com2015-08-10 → 2016-12-14 · 4 obs

● 2015-08-10 02:58:28
● 2016-12-14 08:21:32
○ 2018-03-05 01:24:22
○ 2026-02-27 19:05:22

●MXcalu-edu.mail.protection.outlook.com2018-03-05 → 2026-02-27 · 3 obs

○ 2016-12-14 08:21:32
● 2018-03-05 01:24:22
● 2026-02-27 19:05:22

○A158.83.2.452015-08-10 → 2016-10-12 · 4 obs

● 2015-08-10 02:58:28
● 2016-10-12 05:42:20
○ 2016-12-14 08:21:32
○ 2026-02-27 19:05:22

○A158.83.25.252016-12-14 → 2020-11-04 · 5 obs

○ 2016-10-12 05:42:20
● 2016-12-14 08:21:32
● 2020-11-04 12:37:16
○ 2026-02-14 20:08:04
○ 2026-02-27 19:05:22

●A209.250.207.1552026-02-14 → 2026-02-27 · 3 obs

○ 2020-11-04 12:37:16
● 2026-02-14 20:08:04
● 2026-02-27 19:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, k.edu-servers.net, l.edu-servers.net, b.edu-servers.net...	-
calu.edu	ns4-34.azure-dns.info, ns1-34.azure-dns.com, ns2-34.azure-dns.net, ns3-34.azure-dns.org	-

✅ Authoritative Response

Server: 13.107.222.34

NS records: ns4-34.azure-dns.info, ns1-34.azure-dns.com, ns2-34.azure-dns.net, ns3-34.azure-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calu.edu (unsigned zone)

⏱️ Timing

Total: 677ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.250.207.155`
NS	4	`ns1-34.azure-dns.com, ns2-34.azure-dns.net...`
MX	1	`calu-edu.mail.protection.outlook.com (pr`
TXT	8	`MS=ms18503921, _sl4ww3e0wyig5qslk0lwthrfo7ezi8r...`
SOA	1	`ns1-34.azure-dns.com postmaster.calu.edu`

AI analysis

calu.edu is the parent of sai.calu.edu, gameregister.calu.edu, ldap2.calu.edu, prodou.calu.edu, archive.calu.edu and a few other host names.

calu.edu resolves to one IP number: 209.250.207.155.

other host names including clarion.edu, cwis.calu.edu, www.edinboro.edu, edinboro.edu and prodou.calu.edu share IP numbers with calu.edu.

calu.edu is delegated to four name servers: ns1-34.azure-dns.com, ns4-34.azure-dns.info, ns2-34.azure-dns.net and ns3-34.azure-dns.org.

calu.edu at least partially shares name servers with other domains, for instance blightanner.com.au, srogroup.com.au, 40.43.185.in-addr.arpa, teams.microsoft and ipayholding.com.

Host names with two IP numbers:

ns1-34.azure-dns.com points to 2603:1061:0:10::22 and 150.171.10.34; ns4-34.azure-dns.info points to 2620:1ec:bda:10::22 and 13.107.206.34; ns2-34.azure-dns.net points to 2620:1ec:8ec:10::22 and 150.171.16.34; ns3-34.azure-dns.org points to 2a01:111:4000:10::22 and 13.107.222.34.

calu.edu is handled by a single mail server, calu-edu.mail.protection.outlook.com.

Host calu-edu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c922::2, 2a01:111:f403:c931::, 2a01:111:f403:f909::, 2a01:111:f403:f913::1, 40.93.192.4, 52.101.8.42, 52.101.11.15 and 52.101.50.7.

calu.edu - robtex.com

calu.edu

edu

Up

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

AI analysis

`calu.edu`

`edu`