bygningskontrol.dk

Records from scan: 2026-09-23 12:03:43 · 1053ms total · last checked 2026-10-20 22:23 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bygningskontrol.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.31.36.240 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by bygningskontrol-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	kandns06.digitalarchives.com ns1.netnames.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns2.ascio.net nusdns06.digitalarchives.com	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.31.36.240	3600s	—	AS8075	Microsoft Corporation	20.0.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bygningskontrol-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca09::22 2a01:111:f403:ca21::a 52.101.103.39 52.101.181.153 52.101.68.27 52.101.91.162	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.56
🔶 Autoconfig	152.115.43.232

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 90ms

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

📝 TXT Records#

2 records 295ms

TXT Record
MS=ms70443134
v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net ip4:62.243.225.110 -all

✉️ SPF#

Policy	Record (bygningskontrol.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net ip4:62.243.225.110 -all

📨 DMARC#

Policy	Record (_dmarc.bygningskontrol.dk)
p=reject	v=DMARC1; p=reject; pct=100; sp=reject; adkim=s; aspf=s; fo=1;

📬 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 2026-10-08 17:00:06

www CNAME	bygningskontrol.dk (all on bygningskontrol.dk) → 20.31.36.240 (AS8075)
www vs bare domain	Same network bygningskontrol.dk: 20.31.36.240 (AS8075) www.bygningskontrol.dk: 20.31.36.240 (AS8075)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-bygningskontrol-dk._domainkey.polygongroup.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.bygningskontrol.dk	_acme-challenge.nomoist.net
TXT	_acme-challenge.nomoist.net	T_tD3Gd5iCN16tJY8gXxAuHv3oiGgPCpwQjLzS14St4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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	2023060820
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

49ms

AAAA

48ms

TXT

295ms

CAA

47ms

HTTPS

44ms

TLSA

351ms

SOA

0ms

MTA-STS

76ms

DNSSEC

72ms

SRV

90ms

Total

1053ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 12:03:43 shown	1053ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 23:29:30	1540ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 10:40:08	1286ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-03 00:44:32	1075ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 21:10:32	752ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 18:46:35	918ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 09:12:29	1175ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:23:01	578ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:20:10	804ms	2 NS 1 A 1 MX	🔓 Insecure