mail.checkblau.de - robtex.com

mail.checkblau.de

DNSSEC⚠️ Not signed
A202.61.232.171🇩🇪 netcup-AS202.61.232.0/24
PTRmxe8ab.netcup.net

checkblau.de

DNSSEC🔒 Signed (DS record present)
A2a03:4000:61:35a3::18:827🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
A202.61.232.169🇩🇪 netcup-AS202.61.232.0/24
NSroot-dns.netcup.net ⭐
NSsecond-dns.netcup.net
NSthird-dns.netcup.net
MXmail.checkblau.de ⭐
MXmxe8ab.netcup.net(50)
TXTv=spf1 mx a include:_spf.webhosting.systems ~all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-04-11 #46
🔒 HSTS Preload (+subdomains)

MX for

checkblau.de

Same first word

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DNS History

1 record (1 active, 0 former)

A202.61.232.171
●A202.61.232.1712026-04-24 → 2026-04-25 · 2 obs
● 2026-04-24 17:36:56
● 2026-04-25 00:40:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
checkblau.deroot-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1766ms | Queries: -

📄 Records

TypeCountSample Data
A1202.61.232.171

Analysis

Mail Server Role

mail.checkblau.de is the mail server for checkblau.de.

mxe8ab.netcup.net is a common mail server alongside mail.checkblau.de.

IP Addresses

mail.checkblau.de points to a single IP number: 202.61.232.171.

other host names for instance mail.yap.de, mail.akapuma.info, mail.231k.de, mail.kolev.bg and mail.sw-bg.de share IP numbers with mail.checkblau.de.