it-knowhow.dk

📜 Historical scan 2026-06-23 23:22:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

it-knowhow.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 31 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.139.234.69 is hosted by WebLager A/S (AS203288) in Denmark. Mail is handled by scan1.centex.dk, scan2.centex.dk. The zone is DNSSEC-signed and validates, 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.139.234.69	3600s	—	AS203288	WebLager A/S	185.139.232.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	scan1.centex.dk	92.43.176.51	—	AS3292 TDC Holding A/S
10	600s	scan2.centex.dk	92.43.176.159	—	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 223ms

TXT Record
nuj0knbev9dlaqe9i4idij9mfc

✉️ 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 12:39:06

www	185.139.234.67 (AS203288) (address records, no CNAME)
www vs bare domain	Same network it-knowhow.dk: 185.139.234.69 (AS203288) www.it-knowhow.dk: 185.139.234.67 (AS203288)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

43ms

Field	Value
Serial	2024120201
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 18:02:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-08-31
Expires	2027-09-30 (348d)

🔗 Same registrant#

6 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
danscan.dk	Punktum dk A/S (direct)
infoforborgere.dk	Punktum dk A/S (direct)
it-viden.dk	Punktum dk A/S (direct)
skyarkiv.dk	Punktum dk A/S (direct)
skybrev.dk	Punktum dk A/S (direct)
weblager.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

97ms

43ms

AAAA

44ms

TXT

223ms

CAA

99ms

HTTPS

42ms

TLSA

126ms

SOA

43ms

MTA-STS

33ms

DNSSEC

119ms

SRV

123ms

Total

697ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:39:06	992ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-01 08:57:30	332ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-26 10:25:25	510ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-20 01:03:29	573ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-27 08:01:05	1398ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 23:22:58 shown	697ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 13:52:17	1678ms	2 NS 1 A 2 MX	🔒 Secure