undervaerker.dk

📜 Historical scan 2026-06-28 02:06:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

undervaerker.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 9 August 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.71.84.47 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mx1.dandomain.dk, mx2.dandomain.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 40ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.71.84.47	60s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

2 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	3600s	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 150ms

TXT Record
v=spf1 include:spf.dandomain.dk ?all

✉️ SPF#

Policy	Record (undervaerker.dk)
?all (neutral)	v=spf1 include:spf.dandomain.dk ?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 2026-10-08 01:38:23

www	20.71.84.47 (AS8075) (address records, no CNAME)
www vs bare domain	Same network undervaerker.dk: 20.71.84.47 (AS8075) www.undervaerker.dk: 20.71.84.47 (AS8075)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

61ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2023090401
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 2026-10-12 13:41:41

Field	Value
Registrar	DANDOMAIN A/S
Registered	2006-08-09
Expires	2027-08-31 (317d)

🔗 Same registrant#

25 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
4til1planet.dk	Punktum dk A/S (direct)
almenboligforum.dk	Punktum dk A/S (direct)
arkidania.dk	Punktum dk A/S (direct)
bedrebyer.dk	Punktum dk A/S (direct)
boligdanmark.dk	Punktum dk A/S (direct)
boligtal.dk	Punktum dk A/S (direct)
bvc.dk	Punktum dk A/S (direct)
byforum.dk	Punktum dk A/S (direct)
collectiveimpact.dk	Punktum dk A/S (direct)
danishfoundations.dk	Punktum dk A/S (direct)
friforrotter.dk	Punktum dk A/S (direct)
genanvendgaarden.dk	Punktum dk A/S (direct)
husarkitekt.dk	Punktum dk A/S (direct)
husarkitekterne.dk	Punktum dk A/S (direct)
paaforkant.dk	Punktum dk A/S (direct)
phhus.dk	Punktum dk A/S (direct)
realbum.dk	Punktum dk A/S (direct)
realdania-debat.dk	Punktum dk A/S (direct)
realdaniabyg-klubben.dk	Punktum dk A/S (direct)
rumforfaellesskab.dk	A/S SCANNET
stedet-tæller.dk	Punktum dk A/S (direct)
tietgensærgrelse.dk	Punktum dk A/S (direct)
videncenter-boligøkonomi.dk	Punktum dk A/S (direct)
videncenterforboligejere.dk	Punktum dk A/S (direct)
yderomraaderpaaforkant.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

32ms

39ms

AAAA

40ms

TXT

150ms

CAA

38ms

HTTPS

35ms

TLSA

158ms

SOA

36ms

MTA-STS

41ms

DNSSEC

61ms

SRV

40ms

Total

724ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 19:32:02	484ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 15:40:16	624ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-28 02:06:24 shown	724ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-27 07:24:28	1345ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 05:53:27	673ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 02:22:25	775ms	2 NS 1 A 2 MX	🔒 Secure