firstclass.cssu.org - robtex.com

firstclass.cssu.org

DNSSEC⚠️ Not signed
A52.206.191.232🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix
PTRec2-52-206-191-232.compute-1.amazonaws.com

cssu.org

DNSSEC⚠️ Not signed
A52.206.191.232🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix
NSns73.worldnic.com ⭐
NSns74.worldnic.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(20)
MXaspmx2.googlemail.com(30)
MXaspmx3.googlemail.com(30)
MXaspmx4.googlemail.com(30)
MXaspmx5.googlemail.com(30)
TXTgoogle-site-verification=kGTAf8QloZKfo7zTPeclrIQSfOFfWSnnGKDNowAp6eo
TXTgoogle-site-verification=ELII-smt1R3WyqmXfSlQTASiT9GQeti9BIkTIpqgqOw
TXTv=spf1 include:_spf.google.com ~all
SOANS73.WORLDNIC.COMnamehost@WORLDNIC.COM serial=117032414

Same first word

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firstclass.solutions
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firstclass.domains
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firstclass.as
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firstclass.education
firstclass.sh.cn
firstclass.com.hk

Similar names

firtsclass.com
classfirst.in
calstrsifs.com
classfirst.com
fristclass.com

DNS History

3 records (1 active, 2 former)

200920112013201520172019202120232025A52.206.191.232209.114.152.13571.161.211.233
○A209.114.152.1352015-05-21 → 2016-03-25 · 5 obs
○ 2008-12-15 20:29:36
● 2015-05-21 06:26:20
● 2016-03-25 02:50:28
○ 2026-03-15 00:05:44
○ 2026-03-30 14:55:04
●A52.206.191.2322026-03-15 → 2026-03-30 · 3 obs
○ 2016-03-25 02:50:28
● 2026-03-15 00:05:44
● 2026-03-30 14:55:04
○A71.161.211.2332008-12-15 → 2008-12-15 · 3 obs
● 2008-12-15 20:29:36
○ 2015-05-21 06:26:20
○ 2026-03-30 14:55:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cssu.orgns73.worldnic.com, ns74.worldnic.com-

✅ Authoritative Response

Server:162.159.27.78

NS records: ns73.worldnic.com, ns74.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cssu.org (unsigned zone)

⏱️ Timing

Total: 421ms | Queries: -

📄 Records

TypeCountSample Data
A152.206.191.232

Analysis

IP Addresses

firstclass.cssu.org points to a single IP: 52.206.191.232.

Other host names, for instance lisd-mail.lancasterisd.org, kenton.k12.ny.us, uplifteducation.net, mcia.k12.ca.us and mysdhc.org share IP numbers with firstclass.cssu.org.