`byui.edu`

DNSSEC	⚠️ Not signed
A	157.201.130.149^{🇺🇸 AS33281157.201.0.0/16 BYUI Route originated by IRON}
		PTR	`byui.edu`
		PTR	`beta.byui.edu`
		PTR	`ing.byui.edu`
NS	`eidotheaa.byui.edu` ⭐
		A	157.201.130.11^{🇺🇸 AS33281157.201.0.0/16 BYUI Route originated by IRON}
			PTR	`edns11.byui.edu`
			PTR	`eidotheaa.byui.edu`
			PTR	`eidotheac.byui.edu`
			PTR	`edns11.ldsces.edu`
			PTR	`edns11.byui.net`
NS	`edns3.byui.edu`
		A	128.187.223.242^{🇺🇸 AS6510128.187.0.0/16 This is a BYU owned prefix announced by UEN}
NS	`eidotheab.byui.edu`
		A	157.201.130.12^{🇺🇸 AS33281157.201.0.0/16 BYUI Route originated by IRON}
			PTR	`edns12.byui.edu`
			PTR	`eidotheab.byui.edu`
			PTR	`edns12.ldsces.edu`
			PTR	`edns12.byui.net`
MX	`byui-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c903::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr04cu00102.inbound.protection.outlook.com`
		A	40.93.192.1^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm5pr02cu00201.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.10.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00206.inbound.protection.outlook.com`
TXT	`apple-domain-verification=MYnP1jpTLQ3FUNBB`
TXT	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCUBsmRk6JYTAnwVtD4T8T...`
TXT	`d365mktkey=7b2mvwwousnp5sqvbty9wsmlp`
TXT	`google-site-verification=GTUhqoLVveynEpLZVVt4EZy4aIvl3VSSF4b_rQy9kLI`
TXT	`/Sr/l2Qj4cNvxw92agT6hvlpt5GvPVPloyuS2BINIvr7+8+VOvRfDS5p/UyG3zmtRg2qJYnYs/Djp...`
TXT	`adobe-idp-site-verification=0887e2b7-3f6d-4145-8341-6b961f7023c0`
TXT	`v=spf1 ip4:157.201.132.11 ip4:157.201.132.12 ip4:45.79.130.119 ip4:157.201.13...`
TXT	`ciscocidomainverification=12326312f42ecaf1b0f4d151ba9f8026ca16ae22fbfba005ad9...`
TXT	`_onh8h4y970s1rjb24fn4mtajfsbklro`
TXT	`D/yO7zLF0BiE8EiB/wxzbBIxSR70ZeGsA2E5XE7SnNagCRsJn4ymIVZHL3kbY+7Pk+4rOJwxdCv4y...`
TXT	`amazonses:vptFSmsil0UI3iaTXXK0XPRohQvjPGAz92rCdEhdDBk=`
TXT	`google-site-verification=x7xQ6cfFnhop5Fv7gxwTKsLKmEOpKyzf7wHUBsCO8YQ`
TXT	`d365mktkey=io3FIipp9lDIpLo0xMszjVFqQroNveyTWhsJS3ABxIgx`
TXT	`_pk85dr5hlo2t8ak2n4yq7kvm2cd1770`
TXT	`google-site-verification=NDate2mI4zqiIijpFao30254gl2atvyOp7PS8-lx400`
TXT	`zoho-verification=zb02349103.zmverify.zoho.com`
TXT	`openai-domain-verification=dv-Gb9xXO0ABIxpNt5YxV4bZh5B`
SOA	`EidotheaA.byui.edu`netop@byui.edu serial=775926909

`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 #25907 globally
rank #613 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #45,880

PTR for

149.130.201.157.in-addr.arpa

Subdomains

courses.byui.edu

visit.byui.edu

status.byui.edu

one.byui.edu

login.byui.edu

maclab.byui.edu

iprepare.byui.edu

preview.byui.edu

imap.byui.edu

td.byui.edu

photo.byui.edu

potamoi.byui.edu

content.byui.edu

ilearn.byui.edu

eidotheac.byui.edu

two.byui.edu

extmra.byui.edu

edutrac.byui.edu

parkingservices.byui.edu

eidotheab.byui.edu

dep.byui.edu

ibc.byui.edu

cms.byui.edu

giswebadaptor.byui.edu

jics.byui.edu

ibelong.byui.edu

eidotheaa.byui.edu

jicsdev.byui.edu

books.byui.edu

edns3.byui.edu

beta.byui.edu

byodroom.byui.edu

www2.byui.edu

mta.byui.edu

office365.byui.edu

newlehi.byui.edu

apply.byui.edu

edns11.byui.edu

benjamin2.byui.edu

jarom.byui.edu

feithweb.byui.edu

solomon.byui.edu

keybox.byui.edu

list.byui.edu

student.byui.edu

emergency.byui.edu

events.byui.edu

ems.byui.edu

abish.byui.edu

scheduling.byui.edu

smtp.byui.edu

stage.byui.edu

emp.byui.edu

exchange2019.byui.edu

byubdr-cp-1.byui.edu

email.byui.edu

meeting.byui.edu

library.byui.edu

m.byui.edu

campusrec.byui.edu

testing.byui.edu

job.byui.edu

ftc.byui.edu

pop3.byui.edu

ithelp.byui.edu

remoteassist.byui.edu

speedtest.byui.edu

my.byui.edu

tickets.byui.edu

lehi3old.byui.edu

samlproxy.byui.edu

benjamin.byui.edu

techguides.byui.edu

rachel.byui.edu

web.byui.edu

gisweb.byui.edu

byub-ns2.byui.edu

jicsdev1.byui.edu

brightspotcdn.byui.edu

mail.byui.edu

exhybrid.byui.edu

ing.byui.edu

iplan.byui.edu

edns12.byui.edu

itservices.byui.edu

Same first word

byui.org

byui.tv

byui.de

byui.co

byui.net

byui.com

byui.edu

Similar names

yubi.fr

biyu.it

ibuy.ltd

ubyi.com

yubi.store

ibuy.com

yubi.net

ibuy.de

yubi.eu

biuy.net

ibuy.gr

buyi.ru

ibuy.land

yubi.blob.core.windows.net

yubi.co.kr

ibuy.house

buyi.biz

ibuy.com.ua

ibuy.ae

yibu.com

ibuy.sg

biuy.cn

yubi.it

ibuy.uz

uybi.com

ybui.cn

yubi.nl

ubiy.com

buyi.name

ibuy.ch

ibuy.sh.cn

yubi.com.br

yibu.ru

ibuy.nl

iyub.com

buyi.space

ibuy.express

yubi.si

ibuy.properties

buyi.org.cn

yubi.com.tr

ibuy.tw

ibuy.games

iuby.com.br

ibuy.us.com

ibuy.ie

yubi.co.nz

ibuy.it

ibuy.tv

ybui.com

buyi.idv.tw

ibuy.is

buyi.site

yubi.live

yubi.biz

ibyu.com

buyi.in

yubi.de

ibuy.vn

ibuy.org

ibuy.ru

yubi.com

ibuy.dk

ibuy.com.au

ibuy.co

yubi.co

buyi.com

biyu.org

yuib.com

ibuy.mobi

iuby.ro

ibuy.be

yubi.to

ibuy.domains

ibuy.center

yubi.org

ibuy.co.zm

ibuy.jp

yubi.london

ibuy.ph

byiu.mobi

ibuy.al

ibuy.lk

ibuy.pro

ibuy.tools

yubi.co.uk

ibuy.kr

ibuy.net

ibuy.net.nz

yubi.in

uiby.com

ibuy.bz

buyi.com.au

biyu.de

DNS History

8 records (5 active, 3 former)

●NSedns3.byui.edu2026-02-15 → 2026-03-21 · 3 obs

○ 2021-08-20 16:44:28
● 2026-02-15 01:08:48
● 2026-03-21 14:14:06

●NSeidotheaa.byui.edu2015-09-02 → 2026-03-21 · 2 obs

● 2015-09-02 15:30:20
● 2026-03-21 14:14:06

●NSeidotheab.byui.edu2015-09-02 → 2026-03-21 · 2 obs

● 2015-09-02 15:30:20
● 2026-03-21 14:14:06

○NSeidotheac.byui.edu2015-09-02 → 2019-12-28 · 4 obs

● 2015-09-02 15:30:20
● 2019-12-28 01:00:08
○ 2021-08-20 16:44:28
○ 2026-03-21 14:14:06

●MXbyui-edu.mail.protection.outlook.com2019-12-28 → 2026-03-21 · 3 obs

○ 2019-03-25 01:12:32
● 2019-12-28 01:00:08
● 2026-03-21 14:14:06

○MXnoreply.qemailserver.com2019-12-28 → 2019-12-28 · 4 obs

○ 2019-03-25 01:12:32
● 2019-12-28 01:00:08
○ 2021-08-20 16:44:28
○ 2026-03-21 14:14:06

○MXwebmailbyui.mail.protection.outlook.com2015-09-02 → 2019-03-25 · 4 obs

● 2015-09-02 15:30:20
● 2019-03-25 01:12:32
○ 2019-12-28 01:00:08
○ 2026-03-21 14:14:06

●A157.201.130.1492015-09-02 → 2026-03-21 · 2 obs

● 2015-09-02 15:30:20
● 2026-03-21 14:14:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net...	-
byui.edu	eidotheaa.byui.edu, eidotheab.byui.edu, edns3.byui.edu	3 records

✅ Authoritative Response

Server: 157.201.130.11

NS records: eidotheaa.byui.edu, eidotheab.byui.edu, edns3.byui.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byui.edu (unsigned zone)

⏱️ Timing

Total: 501ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.201.130.149`
NS	3	`edns3.byui.edu, EidotheaB.byui.edu...`
MX	1	`byui-edu.mail.protection.outlook.com (pr`
TXT	17	`_onh8h4y970s1rjb24fn4mtajfsbklro, v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQ...`
SOA	1	`EidotheaA.byui.edu netop.byui.edu`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (eidotheaa.byui.edu, eidotheab.byui.edu, edns3.byui.edu)

Analysis

Hierarchy

byui.edu is a parent of courses.byui.edu, visit.byui.edu, status.byui.edu, one.byui.edu and login.byui.edu, plus a few other host names.

IP Addresses

byui.edu resolves to one IP number: 157.201.130.149.

Other host names for instance ing.byui.edu and beta.byui.edu share IP numbers with byui.edu.

Name Servers

byui.edu is delegated to three name servers: edns3.byui.edu, eidotheaa.byui.edu and eidotheab.byui.edu.

byui.edu at least partially shares name servers with other domains, including byu-idaho.org, 201.157.in-addr.arpa, byui.net, stage.byui.edu and email.byui.edu.

These name servers are often used with edns11.byui.edu and edns12.byui.edu.

Host names with a single IP:

edns3.byui.edu points to 128.187.223.242; eidotheaa.byui.edu points to 157.201.130.11; eidotheab.byui.edu points to 157.201.130.12.

Mail Servers

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

Host byui-edu.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c903::3, 2a01:111:f403:c91d::, 2a01:111:f403:c922::2, 2a01:111:f403:c946::2, 40.93.192.1, 52.101.8.51, 52.101.10.2 and 52.101.10.14.

byui.edu - robtex.com

byui.edu

edu

PTR for

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

`byui.edu`

`edu`