usmark.dk

📜 Historical scan 2026-08-24 07:04:49  ·  ← 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   50ms
NameserverIP addressesPTRASN / 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   74ms
PriorityTTLMail ServerIP addressesPTRASN
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   355ms
TXT Record
v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArtT9TfoFHXQiNpNW4GopRNisXczsEMU0nk/0N0pXSaVDWqq/+Cb2yglF7WK3+mxhEUGPt/itZxolsxYySW6qn0Tc8wkVhdpIwBTolB9dRFyR4xUM1ke4owCa5/addOkru6nmd0ronKrY5xsdmUwlkNcziR5BzqzVlgf8gLxoZYeRtpK37N+omOgGRZVZJBX4yguFq2+8Ihvq2aGhe+0Azd1pu3VN6jwgG875MSRg1JmwywM2LcD1DzS+IwjzyrOFc1PhK6JAx2rh8EM8PbucPKwbjCepaQfrUjgrdoA3kTI/Utif2Y8T0Eb0gAZuqbXqn1yQuAR4SowfUmYJ78oFeQIDAQAB
v=spf1 +mx -all

✉️ SPF#

PolicyRecord (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
wwwExists, no address
www vs bare domainNeither resolves
usmark.dk: no address
www.usmark.dk: no address
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.usmark.dk IzvUPfqtDONxpC_fdliCIvIyPgO677gEKebVxTNl8bo
TXT _acme-challenge.usmark.dk qs0CeCfYMnAob6LezQlFm4BnhGCZ8PwpHiDAHohGfOc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9100ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2413011503
Primary NS (MNAME)alexa.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 04:52:10
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-12-19
Expires2026-12-31 (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).

DomainRegistrar
11k.dkPunktum dk A/S (direct)
r15.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
50ms
A
72ms
MX
74ms
AAAA
72ms
TXT
355ms
CAA
70ms
HTTPS
74ms
TLSA
131ms
SOA
0ms
MTA-STS
92ms
DNSSEC
9100ms
SRV
109ms
Total
10546ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 10546ms 2 NS 0 A 1 MX 🔓 Insecure
2026-08-06 14:14:10 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
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