`mail.coolsurfer.de`

DNSSEC

⚠️ Not signed

`coolsurfer.de`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:4f8:c17:c19c::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	2a01:4f8:c2c:abf5::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	2a01:4f8:c010:3f9c::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	116.202.9.166^{🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC}
	A	116.202.21.136^{🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC}
	A	116.203.213.72^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
	NS	`ns1.domainoffensive.de` ⭐
	NS	`ns2.domainoffensive.eu`
	NS	`ns3.domainoffensive.net`
	TXT	`v=spf1 -all`
	TXT	`2755188fbc35cc10c82300041251871a28ff1ed6`
	SOA	`ns1.domainoffensive.de`info@domains.resellerinterface.de serial=1776902400

Previously MX for

coolsurfer.de

Same first word

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DNS History

1 record (0 active, 1 former)

○A62.75.243.2222015-06-05 → 2016-05-07 · 4 obs

● 2015-06-05 13:54:18
● 2016-05-07 01:02:52
○ 2026-04-28 06:35:44
○ 2026-04-28 20:18:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
coolsurfer.de	ns1.domainoffensive.de, ns3.domainoffensive.net, ns2.domainoffensive.eu	-

✅ Authoritative Response

Server:192.174.68.21

NS records: ns1.domainoffensive.de, ns3.domainoffensive.net, ns2.domainoffensive.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 927ms | Queries: -

📄 Records

Type	Count	Sample Data

mail.coolsurfer.de - robtex.com