postmix.dk

📜 Historical scan 2026-09-13 08:38:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

postmix.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.90.199.66 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by front-lvs.scannet.dk, mx18.front01.scannet.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
a.portsdns.se	2607:f740:e009::1 45.54.35.101	a.portsdns.se a.portsdns.se	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
b.portsdns.net	2a00:11c0:3d::1 94.16.23.1	b.portsdns.net b.portsdns.net	AS42354 Anexia Cloud Solutions GmbH AS42354 Anexia Cloud Solutions GmbH

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.90.199.66	3600s	—	AS3292	TDC Holding A/S	83.90.0.0/15	🇩🇰 Denmark	—

📧 MX Records#

2 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	front-lvs.scannet.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
25	3600s	mx18.front01.scannet.dk	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 15:31:00

www	83.90.199.66 (AS3292) (address records, no CNAME)
www vs bare domain	Same network postmix.dk: 83.90.199.66 (AS3292) www.postmix.dk: 83.90.199.66 (AS3292)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

2057ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2025031300
Primary NS (MNAME)	a.portsdns.se
Responsible (RNAME)	registry@ports.net
Refresh	86400s
Retry	7200s
Expire	2592000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

37ms

40ms

44ms

AAAA

44ms

TXT

214ms

CAA

43ms

HTTPS

42ms

TLSA

274ms

SOA

0ms

MTA-STS

55ms

DNSSEC

2057ms

SRV

60ms

Total

2705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 09:34:54	9503ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-13 08:38:09 shown	2705ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-03 00:44:25	16874ms	2 NS 0 A 0 MX	❓ Unknown
2026-06-26 20:42:36	6337ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-23 19:18:54	960ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:54:54	2597ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-21 05:52:02	1126ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:12:35	1528ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 11:34:52	1499ms	2 NS 1 A 2 MX	🔓 Insecure