itbuilder.dk

Records from scan: 2026-10-01 10:16:53 · 549ms total · last checked 2026-10-19 10:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itbuilder.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 February 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.180.109.12 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.180.109.12	43200s	—	AS3292	TDC Holding A/S	188.176.0.0/13	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 122ms

TXT Record
Managed by: http://www.conXO.dk - Bent Larsen +45 7020 0652

✉️ 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#

checked 2026-10-13 00:31:01

www	188.180.109.12 (AS3292) (address records, no CNAME)
www vs bare domain	Same network itbuilder.dk: 188.180.109.12 (AS3292) www.itbuilder.dk: 188.180.109.12 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026093001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-15 04:24:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-02-11
Expires	2027-02-28 (131d)

🔗 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
cloudmongers.dk	Punktum dk A/S (direct)
connxo.dk	Punktum dk A/S (direct)
conxo.dk	Punktum dk A/S (direct)
nethusmor.dk	Punktum dk A/S (direct)
scandidata.dk	Punktum dk A/S (direct)
vedi-tech.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

31ms

35ms

AAAA

41ms

TXT

122ms

CAA

33ms

HTTPS

41ms

TLSA

54ms

SOA

39ms

MTA-STS

46ms

DNSSEC

107ms

SRV

57ms

Total

549ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 10:16:53 shown	549ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:08:19	403ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 19:33:51	488ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 18:41:54	580ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-23 14:07:26	776ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-15 23:38:48	4940ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-20 23:34:44	515ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-20 16:43:47	1173ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 23:56:39	657ms	2 NS 1 A 4 MX	🔒 Secure