byggeinformation.dk

Records from scan: 2026-10-10 15:55:56 · 3078ms total · last checked 2026-10-17 03:25 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byggeinformation.dk is a .dk domain served by 2 nameservers (coco.ns.cloudflare.com, houston.ns.cloudflare.com). It was registered on 13 September 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.77 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by byggeinformation-dk.mail.protection.outlook.com. 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 93ms

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 95ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.77	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.156.239	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 114ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	byggeinformation-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.103.162 52.101.103.36 52.101.181.153 52.101.209.28	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 67ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:84d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9cef	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 84ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.77,172.67.156.239 ech=AEX+DQBBVQAgACBGRZCcFMCImxVZpGJVJRQugZ+aOJvC1dWL3hCt6OCNWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:84d,2606:4700:3036::ac43:9cef

🔌 SRV Records#

1 records 235ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 433ms

TXT Record
MS=ms90574068
v=spf1 include:spf.protection.outlook.com ip4:95.143.203.25 ip4:95.143.203.26 ip4:95.143.203.28 ip4:95.143.203.20 ip4:95.143.203.253 ~all

✉️ SPF#

Policy	Record (byggeinformation.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ip4:95.143.203.25 ip4:95.143.203.26 ip4:95.143.203.28 ip4:95.143.203.20 ip4:95.143.203.253 ~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 2026-10-10 15:55:56

www	104.21.8.77 172.67.156.239 2606:4700:3035::6815:84d 2606:4700:3036::ac43:9cef (AS13335) (address records, no CNAME)
www vs bare domain	Same network byggeinformation.dk: 104.21.8.77 172.67.156.239 2606:4700:3035::6815:84d 2606:4700:3036::ac43:9cef (AS13335) www.byggeinformation.dk: 104.21.8.77 172.67.156.239 2606:4700:3035::6815:84d 2606:4700:3036::ac43:9cef (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

257ms

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

🏷️ SOA#

93ms

Field	Value
Serial	2417119454
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 2026-10-10 16:06:40

Field	Value
Registrar	Nordisk Media Utveckling AB
Registered	1996-09-13
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

93ms

95ms

114ms

AAAA

67ms

TXT

433ms

CAA

111ms

HTTPS

84ms

TLSA

798ms

SOA

93ms

MTA-STS

161ms

DNSSEC

257ms

SRV

235ms

Total

3078ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 15:55:56 shown	3078ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-07 17:05:01	2816ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 14:48:23	3019ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 15:59:34	956ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 15:44:53	1291ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 15:27:52	1530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 15:35:30	1985ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 03:29:05	2250ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 05:28:43	1701ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:15:40	763ms	2 NS 2 A 1 MX	🔓 Insecure