bygningskortet.dk

Records from scan: 2026-10-17 21:36:50 · 511ms total · last checked 2026-10-19 22:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygningskortet.dk is a .dk domain served by 2 nameservers (amos.ns.cloudflare.com, melissa.ns.cloudflare.com). It was registered on 1 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by null.localhost. The zone is DNSSEC-signed and validates, publishes a 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 57ms

Nameserver	IP addresses	PTR	ASN / ISP
amos.ns.cloudflare.com	108.162.195.120 162.159.44.120 172.64.35.120 2606:4700:58::a29f:2c78 2803:f800:50::6ca2:c378 2a06:98c1:50::ac40:2378	amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melissa.ns.cloudflare.com	108.162.192.199 172.64.32.199 173.245.58.199 2606:4700:50::adf5:3ac7 2803:f800:50::6ca2:c0c7 2a06:98c1:50::ac40:20c7	melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.0.2.1	300s	—	—	—	—	—	—

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	null.localhost	::1 127.0.0.1	localhost localhost	— —

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 206ms

TXT Record
v=DKIM1; p=
v=spf1 -all

✉️ SPF#

Policy	Record (bygningskortet.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.bygningskortet.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-17 21:36:50

www	192.0.2.1 (address records, no CNAME)
www vs bare domain	Same network bygningskortet.dk: 192.0.2.1 www.bygningskortet.dk: 192.0.2.1
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.bygningskortet.dk	Mveokm5PVYwRqTSYO1Cl9tzOXlqonMEEfc9GbEcgmFg
TXT	_acme-challenge.bygningskortet.dk	rU-d3dYD-tOTTCbHSZQnOsW9h85RY1T25AFqCVYqmqc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2417664931
Primary NS (MNAME)	amos.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 06:34:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-03-01
Expires	2027-03-31 (162d)

🔗 Same registrant#

19 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
6-degrees.dk	Punktum dk A/S (direct)
6degree.dk	Punktum dk A/S (direct)
6degrees.dk	Punktum dk A/S (direct)
biq.dk	Punktum dk A/S (direct)
businessprofile.dk	Punktum dk A/S (direct)
ciq.dk	Punktum dk A/S (direct)
compliance.dk	Punktum dk A/S (direct)
data-manager.dk	Punktum dk A/S (direct)
devhubstage.dk	Punktum dk A/S (direct)
idq.dk	Punktum dk A/S (direct)
instantdq.dk	Punktum dk A/S (direct)
matrikelkortet.dk	Punktum dk A/S (direct)
minoplysning.dk	Punktum dk A/S (direct)
multikortet.dk	Punktum dk A/S (direct)
qubiq.dk	Punktum dk A/S (direct)
selskabsdata.dk	Punktum dk A/S (direct)
six-degrees.dk	Punktum dk A/S (direct)
sognekortet.dk	Punktum dk A/S (direct)
virksomhedskortet.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

57ms

53ms

58ms

AAAA

64ms

TXT

206ms

CAA

58ms

HTTPS

69ms

TLSA

54ms

SOA

38ms

MTA-STS

78ms

DNSSEC

91ms

SRV

70ms

Total

511ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 21:36:50 shown	511ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 21:31:51	2263ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 18:43:53	1381ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:03:10	760ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 05:51:28	601ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 05:44:08	574ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 22:05:25	1197ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 01:44:17	617ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 13:14:16	3189ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 23:16:20	996ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-22 02:08:14	1598ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 20:09:10	2997ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 02:01:32	881ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 11:09:32	504ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:20:54	447ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:20:45	448ms	2 NS 1 A 1 MX	🔒 Secure