smtp.robinkersten.de - robtex.com

smtp.robinkersten.de

CNAMEnetcup-web1.robinkersten.de
DNSSEC⚠️ Not signed
A2a03:4000:1d:41:88b1:74ff:fee5:712f🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRnetcup-web1.robinkersten.de
A185.183.159.59🇩🇪 netcup-AS185.183.156.0/22

robinkersten.de

DNSSEC⚠️ Not signed
NShydrogen.ns.hetzner.com ⭐
NShelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
MXsmtp.robinkersten.de ⭐
TXTv=spf1 ip4:185.183.159.59 ip6:2a03:4000:1d:41:88b1:74ff:fee5:712f -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-07-21 #0

MX for

robinkersten.de

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DNS History

1 record (1 active, 0 former)

CNAMEnetcup-web1.robinkersten.de
●CNAMEnetcup-web1.robinkersten.de2026-08-05 → 2026-08-05 · 2 obs
● 2026-08-05 08:31:46
● 2026-08-05 14:56:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, a.nic.de, z.nic.de-
robinkersten.deoxygen.ns.hetzner.com, helium.ns.hetzner.de, hydrogen.ns.hetzner.com-

✅ Authoritative Response

Server:213.133.100.98

NS records: oxygen.ns.hetzner.com, helium.ns.hetzner.de, hydrogen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robinkersten.de (unsigned zone)

⏱️ Timing

Total: 1129ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1netcup-web1.robinkersten.de

Analysis

Mail Server Role

The mail server smtp.robinkersten.de processes email for robinkersten.de.

IP Addresses

smtp.robinkersten.de points to the IP addresses 185.183.159.59 and 2a03:4000:1d:41:88b1:74ff:fee5:712f