mail.rh-arch.com - robtex.com

mail.rh-arch.com

DNSSEC⚠️ Not signed
A81.91.87.10🇨🇿 WEB4U81.91.80.0/21
PTRmail.web4u.cz

rh-arch.com

DNSSEC⚠️ Not signed
A2001:1568::12🇨🇿 WEB4U2001:1568::/33
A81.91.86.12🇨🇿 WEB4U81.91.80.0/21
NSns2.web4u.cz ⭐
NSns.web4u.cz
MXrharch-com0e.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns.web4u.czadmin@web4u.cz 2010-11-05 #1
rank #418056 globally
rank #187148 in the tld

Previously MX for

rh-arch.com

Same first word

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A81.91.87.10
●A81.91.87.102015-06-26 → 2026-03-30 · 2 obs
● 2015-06-26 11:56:20
● 2026-03-30 06:53:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...-
rh-arch.comns.web4u.cz, ns2.web4u.cz-

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rh-arch.com (unsigned zone)

⏱️ Timing

Total: 851ms | Queries: -

📄 Records

TypeCountSample Data
A181.91.87.10

Analysis

IP Addresses

mail.rh-arch.com resolves to one IP number: 81.91.87.10.

other host names including mail.imobilien.cz, mail.leasing-elektromobil.cz, mail.susenekvetiny.com, mail.bdzf.cz and mail.galerie4u.cz share IP numbers with mail.rh-arch.com.