cpu.edu - dns.ninja

`cpu.edu`

DNSSEC	⚠️ Not signed
A	52.8.30.123^{🇺🇸 Amazon52.8.0.0/16 EC2 SFO Prefix}
		PTR	`ec2-52-8-30-123.us-west-1.compute.amazonaws.com`
NS	`ns-231.awsdns-28.com` ⭐
		A	2600:9000:5300:e700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-231.awsdns-28.com`
		A	205.251.192.231^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-231.awsdns-28.com`
NS	`ns-1072.awsdns-06.org`
		A	2600:9000:5304:3000::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1072.awsdns-06.org`
		A	205.251.196.48^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1072.awsdns-06.org`
NS	`ns-1711.awsdns-21.co.uk`
		A	2600:9000:5306:af00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1711.awsdns-21.co.uk`
		A	205.251.198.175^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1711.awsdns-21.co.uk`
NS	`ns-963.awsdns-56.net`
		A	2600:9000:5303:c300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-963.awsdns-56.net`
		A	205.251.195.195^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-963.awsdns-56.net`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
TXT	`google-site-verification=eMRlANyRPgNvX9X3bZd5hbdBGuusz051_uO0322xc5Q`
SOA	`ns-231.awsdns-28.com`awsdns-hostmaster@amazon.com serial=1

`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=1785931309

WOT: SAFE (81/100)

Same first word

cpu.de

cpu.pl

cpu.com.uy

cpu.co.kr

cpu.bg

cpu.services

cpu.careers

cpu.co

cpu.ac.kr

cpu.fi

cpu.org.ba

cpu.rent

cpu.lu

cpu.biz

cpu.nl

cpu.ac.th

cpu.dk

cpu.edu.tw

cpu.red

cpu.kr

cpu.hk

cpu.blue

cpu.am

cpu.cc

cpu.net

cpu.community

cpu.edu.cn

cpu.ru

cpu.ro

cpu.blog.br

cpu.vn

cpu.bz

cpu.agency

cpu.ba

cpu.lt

cpu.com.tw

cpu.pt

cpu.be

cpu.one

cpu.edu.hk

cpu.edu

cpu.tel

cpu.ee

cpu.co.id

cpu.guru

cpu.at

cpu.edu.ph

cpu.com.cn

cpu.com.au

cpu.casino

cpu.fr

cpu.gr

cpu.com

cpu.moe

cpu.gov.mo

cpu.ovh

cpu.center

cpu.ie

cpu.com.my

cpu.ca

cpu.land

cpu.io

cpu.si

cpu.qc.ca

cpu.me

cpu.hu

cpu.com.tr

cpu.expert

cpu.uno

cpu.vg

cpu.edu.ec

cpu.sk

cpu.host

cpu.re

cpu.su

cpu.lublin.pl

cpu.us

cpu.ninja

cpu.cl

cpu.mx

cpu.co.uk

cpu.mobi

cpu.rs

cpu.by

cpu.tv

Similar names

puc.me

upc.me

cup.com.hk

upc.com.ua

puc.guru

ucp.cl

ucp.co.uk

ucp.us

pcu.me

ucp.tc

upc.kiev.ua

cup.ie

upc.business

puc.eu

cup.jp

upc.info

upc.si

cup.ac.in

pcu.de

puc.com.br

ucp.gr

pcu.org.pl

pcu.ch

ucp.mx

puc.as

ucp.com.pk

cup.edu.co

puc.co

upc.be

pcu.kr

ucp.eu

upc.community

upc.net.ua

cup.se

cup.edu.uy

ucp.su

cup.my

cup.gr

ucp.com.au

pcu.mobi

cup.la

puc.info

puc.style

ucp.edu.co

cup.net.au

upc.it

ucp.info

puc.casino

cup.football

pcu.tv

cup.net

upc.cn

upc.edu.ar

ucp.co.kr

puc.today

pcu.edu.mx

ucp.io

upc.edu.mn

pcu.ru

upc.pe

upc.gov.ae

pcu.org

upc.ltd

upc.co.za

pcu.com.ph

cup.si

puc.no

upc.mobi

upc.pl

ucp.no

ucp.org

cup.world

puc.org.au

cup.name

upc.tax

puc.com

upc.com.tw

puc.fm

DNS History

16 records (6 active, 10 former)

●NSns-1072.awsdns-06.org2026-02-28 → 2026-08-05 · 3 obs

○ 2017-07-23 03:30:06
● 2026-02-28 11:49:52
● 2026-08-05 12:02:18

●NSns-1711.awsdns-21.co.uk2026-02-28 → 2026-08-05 · 3 obs

○ 2017-07-23 03:30:06
● 2026-02-28 11:49:52
● 2026-08-05 12:02:18

●NSns-231.awsdns-28.com2026-02-28 → 2026-08-05 · 3 obs

○ 2017-07-23 03:30:06
● 2026-02-28 11:49:52
● 2026-08-05 12:02:18

●NSns-963.awsdns-56.net2026-02-28 → 2026-08-05 · 3 obs

○ 2017-07-23 03:30:06
● 2026-02-28 11:49:52
● 2026-08-05 12:02:18

○NSns1.bluehost.com2015-07-07 → 2016-04-28 · 4 obs

● 2015-07-07 17:23:44
● 2016-04-28 20:46:12
○ 2017-07-23 03:30:06
○ 2026-08-05 12:02:18

○NSns2.bluehost.com2015-07-07 → 2016-04-28 · 4 obs

● 2015-07-07 17:23:44
● 2016-04-28 20:46:12
○ 2017-07-23 03:30:06
○ 2026-08-05 12:02:18

○MXalt1.aspmx.l.google.com2015-07-07 → 2016-08-30 · 4 obs

● 2015-07-07 17:23:44
● 2016-08-30 18:45:56
○ 2017-07-23 03:30:06
○ 2026-08-05 12:02:18

○MXaspmx.l.google.com2015-07-07 → 2016-08-30 · 4 obs

● 2015-07-07 17:23:44
● 2016-08-30 18:45:56
○ 2017-07-23 03:30:06
○ 2026-08-05 12:02:18

○MXaspmx2.googlemail.com2015-07-07 → 2016-08-30 · 4 obs

● 2015-07-07 17:23:44
● 2016-08-30 18:45:56
○ 2017-07-23 03:30:06
○ 2026-08-05 12:02:18

○MXmail.cpu.edu2015-07-07 → 2016-08-30 · 4 obs

● 2015-07-07 17:23:44
● 2016-08-30 18:45:56
○ 2017-07-23 03:30:06
○ 2026-08-05 12:02:18

●MXsmtp.google.com2026-02-28 → 2026-08-05 · 3 obs

○ 2017-07-23 03:30:06
● 2026-02-28 11:49:52
● 2026-08-05 12:02:18

○A173.254.91.2482015-07-07 → 2015-11-15 · 4 obs

● 2015-07-07 17:23:44
● 2015-11-15 23:38:22
○ 2016-02-12 18:39:36
○ 2026-08-05 12:02:18

○A50.87.249.1222016-04-28 → 2016-04-28 · 4 obs

○ 2016-02-12 18:39:36
● 2016-04-28 20:46:12
○ 2017-07-23 03:30:06
○ 2026-08-05 12:02:18

○A52.52.205.1242026-02-28 → 2026-08-05 · 2 obs

○ 2026-02-28 11:49:52
○ 2026-08-05 12:02:18

●A52.8.30.1232026-02-28 → 2026-08-05 · 3 obs

○ 2017-07-23 03:30:06
● 2026-02-28 11:49:52
● 2026-08-05 12:02:18

○A69.195.124.1472016-02-12 → 2016-02-12 · 4 obs

○ 2015-11-15 23:38:22
● 2016-02-12 18:39:36
○ 2016-04-28 20:46:12
○ 2026-08-05 12:02:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	f.edu-servers.net, i.edu-servers.net, c.edu-servers.net, e.edu-servers.net...	-
cpu.edu	ns-231.awsdns-28.com, ns-963.awsdns-56.net, ns-1072.awsdns-06.org, ns-1711.awsdns-21.co.uk	-

✅ Authoritative Response

Server:205.251.195.195

NS records: ns-231.awsdns-28.com, ns-963.awsdns-56.net, ns-1072.awsdns-06.org, ns-1711.awsdns-21.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpu.edu (unsigned zone)

⏱️ Timing

Total: 483ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.8.30.123`
NS	4	`ns-1072.awsdns-06.org, ns-1711.awsdns-21.co.uk...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`google-site-verification=eMRlANyRPgNvX9X`
SOA	1	`ns-231.awsdns-28.com awsdns-hostmaster.a`

Analysis

IP Addresses

cpu.edu points to a single IP number: 52.8.30.123.

Additional host names — ec2-52-8-30-123.us-west-1.compute.amazonaws.com, ciat.net, seedch.org and two others — share IP numbers with cpu.edu.

Name Servers

cpu.edu has four authoritative name servers: ns-231.awsdns-28.com, ns-963.awsdns-56.net, ns-1072.awsdns-06.org and ns-1711.awsdns-21.co.uk.

cpu.edu partially shares its NS delegation with several other domains, including quadienthub.com, vatomlabs.com, perillosupport.com and two others.

ns-231.awsdns-28.com, ns-963.awsdns-56.net, ns-1072.awsdns-06.org and ns-1711.awsdns-21.co.uk each carry two IP addresses. ns-231.awsdns-28.com has 205.251.192.231 and 2600:9000:5300:e700::1; ns-963.awsdns-56.net has 205.251.195.195 and 2600:9000:5303:c300::1; ns-1072.awsdns-06.org has 205.251.196.48 and 2600:9000:5304:3000::1; ns-1711.awsdns-21.co.uk has 205.251.198.175 and 2600:9000:5306:af00::1.

Mail Servers

cpu.edu has one mail server: smtp.google.com.

cpu.edu shares the same mail server setup as other domains, including morgx.com, tigerssoftball.net, pokke.in and two others.

cpu.edu shares mail servers — at least in part — with other domains, including rahlegal.in, chunil.co.kr, himsoftsolution.com and two others.

These mail servers are frequently used alongside the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com, plus two others.

smtp.google.com points to 9 IP numbers: 142.250.31.27, 142.251.16.26, 142.251.16.27 and 6 other.