smtp.cpp.edu - dns.ninja

smtp.cpp.edu

DNSSEC⚠️ Not signed
A2620:df:8000:ffff::210🇺🇸 CPPNET2620:df:8000::/48 CSUPOM
PTRsmtp.cpp.edu
A134.71.177.210🇺🇸 CPPNET134.71.0.0/16 Cal Poly Pomona 3801 W. Temple Ave. Pomona, CA 91768 US

cpp.edu

DNSSEC🔒 Signed (DS record present)
A3.33.238.99🇺🇸 Amazon3.33.224.0/20
A52.223.15.25🇺🇸 Amazon52.223.0.0/20
NSdnsa-01.unx.cpp.edu ⭐
NSns-1016.awsdns-63.net
NSns-1075.awsdns-06.org
NSns-1861.awsdns-40.co.uk
NSns-323.awsdns-40.com
MXcpp-edu.mail.protection.outlook.com ⭐
TXTapple-domain-verification=77fhviLojG8npy8Z
TXTcanva-site-verification=qeERWRuHtmrRS3cljOuLlA
TXTdocusign=63b4d18f-38ef-4b2b-a229-d71d419781e8
TXTgoogle-site-verification=reewPuqhQJXZKWfM4aP-AHam6MQVYYGpEr5e_ad7GbU
TXTjamf-site-verification=oe50h-yjiDNCztpHdBuwKA
TXTopenai-domain-verification=dv-kqIiCylW6TjXOLIYjMxRDQ09
TXTteamviewer-sso-verification=839bc9e50d0e4e68acb2992f9762a26f
TXTv=spf1 include:spf.protection.outlook.com a:c.spf.service-now.com include:_tu...
SOAdnsa-01.unx.cpp.edudomainadmin@cpp.edu serial=1
WOT: SAFE (62/100)
rank #20239 globally
rank #507 in the tld
WOT: SAFE (74/100)
📈 Tranco rank: #32,531

PTR for

210.177.71.134.in-addr.arpa
0.1.2.0.0.0.0.0.0.0.0.0.0.0.0.0.f.f.f.f.0.0.0.8.f.d.0.0.0.2.6.2.ip6.arpa

Same first word

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stmp.com

DNS History

2 records (2 active, 0 former)

20162017201820192020202120222023202420252026A134.71.177.2102620:df:8000:ffff::210
●A134.71.177.2102015-10-08 → 2026-06-20 · 2 obs
● 2015-10-08 20:32:34
● 2026-06-20 12:21:28
●A2620:df:8000:ffff::2102026-02-24 → 2026-06-20 · 3 obs
○ 2015-10-08 20:32:34
● 2026-02-24 00:07:56
● 2026-06-20 12:21:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edue.edu-servers.net, m.edu-servers.net, k.edu-servers.net, c.edu-servers.net...26 records
cpp.eduns-323.awsdns-40.com, ns-1016.awsdns-63.net, ns-1075.awsdns-06.org, ns-1861.awsdns-40.co.uk-

✅ Authoritative Response

Server:205.251.193.67

NS records: ns-323.awsdns-40.com, ns-1016.awsdns-63.net, ns-1075.awsdns-06.org, ns-1861.awsdns-40.co.uk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 283ms | Queries: -

📄 Records

TypeCountSample Data
A1134.71.177.210
AAAA12620:df:8000:ffff::210

📌 Glue Records Collected

Total: 26

Out-of-bailiwick: 26 (m.edu-servers.net, l.edu-servers.net, k.edu-servers.net...)

Analysis

IP Addresses

smtp.cpp.edu has two IP addresses: 134.71.177.210 and 2620:df:8000:ffff::210