null.72221.us - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

null.72221.us

CNAMEpr-www-zipcode-us.expedrion.biz
CNAMEregistry-web-320964443.us-east-1.elb.amazonaws.com
DNSSEC⚠️ Not signed
A35.168.158.114🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix
PTRec2-35-168-158-114.compute-1.amazonaws.com
A54.166.145.148🇺🇸 Amazon54.166.0.0/15 EC2 IAD prefix

72221.us

DNSSEC⚠️ Not signed
A35.168.158.114🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix
NSns1.parkco2.neustar.biz ⭐
NSns2.parkco2.neustar.biz
TXTv=spf1 -all
SOAns1.parkco2.neustar.bizhostmaster@neustar.biz 2026-03-06 #1

Same first word

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DNS History

2 records (2 active, 0 former)

NSns1.parkco2.neustar.bizCNAMEpr-www-zipcode-us.expedrion.biz
●NSns1.parkco2.neustar.biz2026-07-31 → 2026-08-17 · 2 obs
● 2026-07-31 01:31:40
● 2026-08-17 11:15:22
●CNAMEpr-www-zipcode-us.expedrion.biz2026-07-31 → 2026-08-17 · 2 obs
● 2026-07-31 01:31:40
● 2026-08-17 11:15:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...-
72221.usns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz-

✅ Authoritative Response

Server:3.227.227.44

NS records: ns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 72221.us (unsigned zone)

⏱️ Timing

Total: 1610ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1pr-www-zipcode-us.expedrion.biz
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

null.72221.us has two IP addresses: 35.168.158.114 and 54.166.145.148

Additional host names — 45469.us, 64582.us, 12054.us and two others — share IP numbers with null.72221.us.