mail.challengeaarhus.com - robtex.com

mail.challengeaarhus.com

DNSSEC⚠️ Not signed
A5.9.231.250🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5
PTRweb1.samba.cinfuhost.com

challengeaarhus.com

DNSSEC⚠️ Not signed
A5.9.231.250🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5
NSda1ns.cinfuhost.com ⭐
NSda2ns.cinfuhost.com
MXmail.challengeaarhus.com ⭐
TXTv=spf1 a mx ip4:5.9.231.249 ip6:2a01:4f8:241:52cd:0:0:5f64:d1d1 ~all
SOAda1ns.cinfuhost.comhostmaster@challengeaarhus.com 2026-07-01 #4
WOT: UNKNOWN (61/100)

MX for

challengeaarhus.com

Same first word

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DNS History

1 record (1 active, 0 former)

A5.9.231.250
●A5.9.231.2502026-08-08 → 2026-08-08 · 2 obs
● 2026-08-08 05:18:56
● 2026-08-08 11:47:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
challengeaarhus.comda1ns.cinfuhost.com, da2ns.cinfuhost.com2 records

✅ Authoritative Response

Server:5.9.231.245

NS records: da1ns.cinfuhost.com, da2ns.cinfuhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challengeaarhus.com (unsigned zone)

⏱️ Timing

Total: 265ms | Queries: -

📄 Records

TypeCountSample Data
A15.9.231.250

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (da1ns.cinfuhost.com, da2ns.cinfuhost.com)

Analysis

Mail Server Role

challengeaarhus.com uses mail.challengeaarhus.com as a mail server.

IP Addresses

mail.challengeaarhus.com resolves to one IP address: 5.9.231.250.

www.lankaenews.lk, mail.shops-in-china.com, lankaenews.lk and two other host names share IP numbers with mail.challengeaarhus.com.