`mail.koelnstempel.de`

DNSSEC	⚠️ Not signed
A	5.9.229.168^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
		PTR	`koelnstempel.de`

`koelnstempel.de`

	DNSSEC	⚠️ Not signed
	A	5.9.229.168^{🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com`
	MX	`mail.koelnstempel.de` ⭐
	TXT	`v=spf1 mx a ip4:23.88.24.246 ip4:157.180.5.134 ip4:178.63.71.177 ip6:2a01:4f8...`
	SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-10 #0

MX for

koelnstempel.de

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DNS History

2 records (1 active, 1 former)

●A5.9.229.1682026-02-24 → 2026-05-15 · 3 obs

○ 2016-06-21 10:55:30
● 2026-02-24 10:43:24
● 2026-05-15 02:11:46

○A88.198.164.1022015-08-13 → 2016-06-21 · 4 obs

● 2015-08-13 15:37:22
● 2016-06-21 10:55:30
○ 2026-02-24 10:43:24
○ 2026-05-15 02:11:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
koelnstempel.de	robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de	-

✅ Authoritative Response

Server:213.239.242.238

NS records: robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koelnstempel.de (unsigned zone)

⏱️ Timing

Total: 3640ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.9.229.168`

Analysis

Mail Server Role

mail.koelnstempel.de is the mail server for koelnstempel.de.

IP Addresses

mail.koelnstempel.de points to a single IP number: 5.9.229.168.

Other host names like koelnstempel.de and www.koelnstempel.de share IP numbers with mail.koelnstempel.de.

mail.koelnstempel.de - robtex.com