bygginformation.dk

Records from scan: 2026-09-30 07:25:45 · 531ms total · last checked 2026-10-16 10:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygginformation.dk is a .dk domain served by 2 nameservers (coco.ns.cloudflare.com, houston.ns.cloudflare.com). It was registered on 5 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.56 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
coco.ns.cloudflare.com	108.162.192.104 172.64.32.104 173.245.58.104 2606:4700:50::adf5:3a68 2803:f800:50::6ca2:c068 2a06:98c1:50::ac40:2068	coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
houston.ns.cloudflare.com	108.162.195.52 162.159.44.52 172.64.35.52 2606:4700:58::a29f:2c34 2803:f800:50::6ca2:c334 2a06:98c1:50::ac40:2334	houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.56	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.202	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2538	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:ccca	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.56,172.67.204.202 ech=AEX+DQBBNAAgACBEVvV6qv+2EGSHksMVtzMtBb0W4uDonEFEC5F+QK8lNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2538,2606:4700:3035::ac43:ccca

📝 TXT Records#

1 records 216ms

TXT Record
v=spf1 -all

✉️ SPF#

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

checked 2026-10-11 02:51:56

www	104.21.37.56 172.67.204.202 2606:4700:3031::6815:2538 2606:4700:3035::ac43:ccca (AS13335) (address records, no CNAME)
www vs bare domain	Same network bygginformation.dk: 104.21.37.56 172.67.204.202 2606:4700:3031::6815:2538 2606:4700:3035::ac43:ccca (AS13335) www.bygginformation.dk: 104.21.37.56 172.67.204.202 2606:4700:3031::6815:2538 2606:4700:3035::ac43:ccca (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415333504
Primary NS (MNAME)	coco.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:15:49

Field	Value
Registrar	Nordisk Media Utveckling AB
Registered	2012-12-05
Expires	2026-12-31 (75d)

🔗 Same registrant#

1 domain

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
analyticspro.dk	Nordisk Media Utveckling AB

📋 WHOIS#

⏱️ Lookup Timing#

49ms

47ms

49ms

AAAA

38ms

TXT

216ms

CAA

51ms

HTTPS

57ms

TLSA

51ms

SOA

0ms

MTA-STS

62ms

DNSSEC

79ms

SRV

63ms

Total

531ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 07:25:45 shown	531ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 11:40:19	520ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 23:06:50	607ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 20:03:25	1439ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 02:25:48	2180ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-22 13:53:09	1851ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-09 00:52:20	1043ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 01:56:59	759ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 02:14:22	975ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 18:15:02	837ms	2 NS 2 A 0 MX	🔓 Insecure