f-bolig.dk

📜 Historical scan 2026-08-10 14:45:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

f-bolig.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.104.202.25 is hosted by It Forum Gruppen A/s (AS50346) in Denmark. Mail is handled by mail2.inet.cb.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 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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.104.202.25	3600s	ext202-25.cph1.sit.dk	AS50346	It Forum Gruppen A/s	193.104.202.0/24	🇩🇰 Denmark	Virum

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail2.inet.cb.dk	194.60.243.111	—	AS42876 Unit IT A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 176ms

TXT Record
google-site-verification=PQv8OxZ8Cd9a7GPpdb821SiiH0QXCKpOCEranq1lkDw
v=spf1 mx a -all

✉️ SPF#

Policy	Record (f-bolig.dk)
-all (hard fail)	v=spf1 mx a -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 2026-10-10 08:38:53

www CNAME	f-bolig.netlify.app (all on netlify.app) → 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
www vs bare domain	Same network f-bolig.dk: 75.2.60.5 (AS16509) www.f-bolig.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026080901
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 2026-10-05 01:53:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-05-17
Expires	2028-05-31 (590d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

37ms

41ms

AAAA

35ms

TXT

176ms

CAA

35ms

HTTPS

44ms

TLSA

489ms

SOA

0ms

MTA-STS

60ms

DNSSEC

88ms

SRV

63ms

Total

1764ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 08:38:53	1299ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 01:16:48	1659ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 23:19:10	1194ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 14:45:44 shown	1764ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 14:40:52	1454ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 00:00:45	908ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:30:05	562ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 07:26:45	2652ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:10:03	1362ms	2 NS 1 A 1 MX	🔒 Secure