3f-post.dk - dns.ninja

`3f-post.dk`

DNSSEC	🔒 Signed (DS record present)
A	94.231.109.18^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
		PTR	`linux3.wannafind.dk`
NS	`ns1.wannafind.dk` ⭐ ⚠️ Not in parent delegation
		A	2a02:2339:4006:103:1c:3f6d:daba:dee^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.wannafind.dk`
		A	185.25.141.6^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.wannafind.dk`
NS	`ns.wannafind.dk`
		A	2a02:2339:4006:103:1c:3f6d:daba:dee^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.wannafind.dk`
		A	185.25.141.6^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.wannafind.dk`
NS	`ns2.wannafind.dk` ⚠️ Not in zone NS records
		A	2a02:2339:1:104::daba:daa^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.wannafind.dk`
		A	91.197.248.69^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.wannafind.dk`
MX	`mail.3f-post.dk` ⭐
		A	94.231.108.135^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
			PTR	`director1.mf.wannafind.dk`
MX	`backup-mx.wannafind.dk`⁽²⁰⁾
SOA	`ns.wannafind.dk`hostmaster@wannafind.dk 2024-02-20 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1786168620localtime Sat Aug 8 07:57:00 2026gmtime Sat Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786168620

Subdomains

mail.3f-post.dk

Same first word

3f-post.dk

DNS History

7 records (6 active, 1 former)

●NSns.wannafind.dk2008-11-23 → 2026-08-08 · 5 obs

● 2008-11-23 05:37:52
○ 2015-10-30 07:11:46
○ 2016-11-12 18:12:56
● 2026-04-20 04:43:26
● 2026-08-08 06:00:14

●NSns1.wannafind.dk2026-04-20 → 2026-08-08 · 3 obs

○ 2016-11-12 18:12:56
● 2026-04-20 04:43:26
● 2026-08-08 06:00:14

●NSns2.wannafind.dk2008-11-23 → 2026-08-08 · 5 obs

● 2008-11-23 05:37:52
○ 2015-10-30 07:11:46
○ 2016-11-12 18:12:56
● 2026-04-20 04:43:26
● 2026-08-08 06:00:14

●MXbackup-mx.wannafind.dk2008-11-23 → 2026-08-08 · 5 obs

● 2008-11-23 05:37:52
○ 2015-10-30 07:11:46
○ 2016-11-12 18:12:56
● 2026-04-20 04:43:26
● 2026-08-08 06:00:14

●MXmail.3f-post.dk2008-11-23 → 2026-08-08 · 5 obs

● 2008-11-23 05:37:52
○ 2015-10-30 07:11:46
○ 2016-11-12 18:12:56
● 2026-04-20 04:43:26
● 2026-08-08 06:00:14

○A80.196.101.2322008-11-23 → 2008-11-23 · 3 obs

● 2008-11-23 05:37:52
○ 2015-10-30 07:11:46
○ 2026-08-08 06:00:14

●A94.231.109.182026-04-20 → 2026-08-08 · 3 obs

○ 2015-10-30 07:11:46
● 2026-04-20 04:43:26
● 2026-08-08 06:00:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	t.nic.dk, l.nic.dk, b.nic.dk, h.nic.dk...	-
3f-post.dk	ns1.wannafind.dk, ns2.wannafind.dk	2 records

✅ Authoritative Response

Server:91.197.248.69

NS records: ns1.wannafind.dk, ns2.wannafind.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 894ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.231.109.18`
NS	2	`ns.wannafind.dk, ns2.wannafind.dk`
MX	2	`backup-mx.wannafind.dk (pri: 20), mail.3f-post.dk (pri: 10)`
SOA	1	`ns.wannafind.dk hostmaster.wannafind.dk`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.wannafind.dk, ns2.wannafind.dk)

Analysis

Hierarchy

mail.3f-post.dk is a subdomain of 3f-post.dk.

IP Addresses

3f-post.dk resolves to one IP address: 94.231.109.18.

odduniverse.dk, datamontage.dk, danoises.dk and two other host names share IP numbers with 3f-post.dk.

Name Servers

3f-post.dk carries NS records delegating to ns1.wannafind.dk, ns2.wannafind.dk and ns.wannafind.dk.

The name servers of 3f-post.dk overlap at least partially with those of other domains — among them forsek.dk, haines.dk, mlid.dk and two more.

The hostnames ns1.wannafind.dk, ns2.wannafind.dk and ns.wannafind.dk each point to two IP numbers. ns1.wannafind.dk and ns.wannafind.dk both resolve to 185.25.141.6 and 2a02:2339:4006:103:1c:3f6d:daba:dee, while ns2.wannafind.dk resolves to 91.197.248.69 and 2a02:2339:1:104::daba:daa.

ns1.wannafind.dk along with ns.wannafind.dk each resolve to 2a02:2339:4006:103:1c:3f6d:daba:dee IP addresses.

ns1.wannafind.dk along with ns.wannafind.dk each resolve to 185.25.141.6 IP addresses.

Mail Servers

Mail for 3f-post.dk is handled by two mail servers — mail.3f-post.dk and backup-mx.wannafind.dk.

3f-post.dk has at least partial mail server overlap with other domains such as vindfast.dk, mowgli.eu, ssok.dk and two more.

The mail servers mail1.vindfast.dk, vindfast-dk.mail.protection.outlook.com and mail.mowgli.eu are commonly used alongside these mail servers.

Hosts with just one IP address:

The hostname mail.3f-post.dk resolves to 94.231.108.135.