usmark.dk

📜 Historical scan 2026-08-06 14:14:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

usmark.dk is a .dk domain served by 2 nameservers (alexa.ns.cloudflare.com, colin.ns.cloudflare.com). It was registered on 19 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.usmark.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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
alexa.ns.cloudflare.com	108.162.194.215 162.159.38.215 172.64.34.215 2606:4700:50::a29f:26d7 2803:f800:50::6ca2:c2d7 2a06:98c1:50::ac40:22d7	alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com alexa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
colin.ns.cloudflare.com	108.162.195.75 162.159.44.75 172.64.35.75 2606:4700:58::a29f:2c4b 2803:f800:50::6ca2:c34b 2a06:98c1:50::ac40:234b	colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mail.usmark.dk	2a05:f480:2000:15b9:5400:4ff:fe86:981 70.34.215.14	— 70.34.215.14.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 279ms

TXT Record
v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArtT9TfoFHXQiNpNW4GopRNisXczsEMU0nk/0N0pXSaVDWqq/+Cb2yglF7WK3+mxhEUGPt/itZxolsxYySW6qn0Tc8wkVhdpIwBTolB9dRFyR4xUM1ke4owCa5/addOkru6nmd0ronKrY5xsdmUwlkNcziR5BzqzVlgf8gLxoZYeRtpK37N+omOgGRZVZJBX4yguFq2+8Ihvq2aGhe+0Azd1pu3VN6jwgG875MSRg1JmwywM2LcD1DzS+IwjzyrOFc1PhK6JAx2rh8EM8PbucPKwbjCepaQfrUjgrdoA3kTI/Utif2Y8T0Eb0gAZuqbXqn1yQuAR4SowfUmYJ78oFeQIDAQAB
v=spf1 +mx -all

TXT Record

v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArtT9TfoFHXQiNpNW4GopRNisXczsEMU0nk/0N0pXSaVDWqq/+Cb2yglF7WK3+mxhEUGPt/itZxolsxYySW6qn0Tc8wkVhdpIwBTolB9dRFyR4xUM1ke4owCa5/addOkru6nmd0ronKrY5xsdmUwlkNcziR5BzqzVlgf8gLxoZYeRtpK37N+omOgGRZVZJBX4yguFq2+8Ihvq2aGhe+0Azd1pu3VN6jwgG875MSRg1JmwywM2LcD1DzS+IwjzyrOFc1PhK6JAx2rh8EM8PbucPKwbjCepaQfrUjgrdoA3kTI/Utif2Y8T0Eb0gAZuqbXqn1yQuAR4SowfUmYJ78oFeQIDAQAB

v=spf1 +mx -all

✉️ SPF#

Policy	Record (usmark.dk)
-all (hard fail)	v=spf1 +mx -all

📨 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 2026-10-18 04:20:06

www	Exists, no address
www vs bare domain	Neither resolves usmark.dk: no address www.usmark.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2411355221
Primary NS (MNAME)	alexa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 04:52:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-12-19
Expires	2026-12-31 (72d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
11k.dk	Punktum dk A/S (direct)
r15.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

36ms

52ms

AAAA

41ms

TXT

279ms

CAA

43ms

HTTPS

41ms

TLSA

124ms

SOA

0ms

MTA-STS

95ms

DNSSEC

124ms

SRV

90ms

Total

1236ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 04:20:06	5799ms	2 NS 0 A 2 MX	🔓 Insecure
2026-10-09 09:17:05	991ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-06 08:12:53	2178ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-09 14:03:00	1274ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-28 09:05:52	1288ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 20:02:40	1807ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-24 07:04:49	10546ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-06 14:14:10 shown	1236ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-08 20:53:21	1346ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-02 15:21:11	1516ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-27 00:43:54	2182ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-24 11:34:03	1527ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-17 15:19:24	880ms	2 NS 0 A 1 MX	⚠️ Bogus