surdejskursus.dk

📜 Historical scan 2026-09-23 16:03:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

surdejskursus.dk is a .dk domain served by 2 nameservers (george.ns.cloudflare.com, leia.ns.cloudflare.com). It was registered on 25 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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
george.ns.cloudflare.com	108.162.193.167 172.64.33.167 173.245.59.167 2606:4700:58::adf5:3ba7 2803:f800:50::6ca2:c1a7 2a06:98c1:50::ac40:21a7	george.ns.cloudflare.com george.ns.cloudflare.com george.ns.cloudflare.com george.ns.cloudflare.com george.ns.cloudflare.com george.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leia.ns.cloudflare.com	108.162.192.184 172.64.32.184 173.245.58.184 2606:4700:50::adf5:3ab8 2803:f800:50::6ca2:c0b8 2a06:98c1:50::ac40:20b8	leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.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#

5 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 64.233.164.26	lq-in-x1a.1e100.net lq-in-f26.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 171ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (surdejskursus.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~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 2026-10-21 22:52:23

www	NXDOMAIN
www vs bare domain	Neither resolves surdejskursus.dk: no address www.surdejskursus.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#

105ms

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	2415423089
Primary NS (MNAME)	george.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 07:04:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-11-25
Expires	2027-11-24 (394d)

🔗 Same registrant#

16 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
altomkollagen.dk	Punktum dk A/S (direct)
altommadlavning.dk	Punktum dk A/S (direct)
altomsovemasker.dk	Punktum dk A/S (direct)
altomxyz.dk	Punktum dk A/S (direct)
bbgblogging.dk	Punktum dk A/S (direct)
bedresoevn.dk	Punktum dk A/S (direct)
bloggerspace.dk	Punktum dk A/S (direct)
elektronikguiden.dk	Punktum dk A/S (direct)
foodii.dk	Simply.com A/S
frederikbeier.dk	Punktum dk A/S (direct)
gastry.dk	Punktum dk A/S (direct)
gigtdoktor.dk	Punktum dk A/S (direct)
hviledal.dk	Punktum dk A/S (direct)
janniebeier.dk	Punktum dk A/S (direct)
reklamebeskyttelse.dk	Punktum dk A/S (direct)
sund-mor.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

33ms

36ms

AAAA

38ms

TXT

171ms

CAA

40ms

HTTPS

34ms

TLSA

46ms

SOA

0ms

MTA-STS

51ms

DNSSEC

105ms

SRV

65ms

Total

1080ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 22:52:23	1752ms	2 NS 0 A 5 MX	🔓 Insecure
2026-10-20 06:39:17	1586ms	2 NS 0 A 5 MX	🔓 Insecure
2026-10-16 23:11:51	537ms	2 NS 0 A 5 MX	🔓 Insecure
2026-10-08 11:36:24	472ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-27 12:43:28	666ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-23 16:03:58 shown	1080ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-02 17:03:56	1349ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-18 06:20:20	1491ms	2 NS 0 A 5 MX	🔓 Insecure
2026-07-22 12:07:09	9692ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-22 10:25:17	924ms	2 NS 0 A 5 MX	❓ Unknown
2026-06-21 20:41:48	960ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-17 15:07:58	701ms	2 NS 0 A 5 MX	❓ Unknown