byggeadministration.dk DNS records

🖥️ Nameservers2 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ernest.ns.cloudflare.com	108.162.193.164 172.64.33.164 173.245.59.164 2606:4700:58::adf5:3ba4 2803:f800:50::6ca2:c1a4 2a06:98c1:50::ac40:21a4	ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
hattie.ns.cloudflare.com	108.162.194.172 162.159.38.172 172.64.34.172 2606:4700:50::a29f:26ac 2803:f800:50::6ca2:c2ac 2a06:98c1:50::ac40:22ac	hattie.ns.cloudflare.com hattie.ns.cloudflare.com hattie.ns.cloudflare.com hattie.ns.cloudflare.com hattie.ns.cloudflare.com hattie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 2092ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.4.67	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.154.17	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	byggeadministration-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::e 2a01:111:f403:ca38::8 52.101.103.137 52.101.73.1 52.101.73.153 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8

🔷 AAAA Records (IPv6)2 records 103ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:443	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:9a11	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.4.67,172.67.154.17 ech=AEX+DQBBVAAgACDoxKLAIkAaIhaNMbgHH8jgCAtYlN3rXrrImfbxmjSvWwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:443,2606:4700:3033::ac43:9a11

📝 TXT Records3 records 387ms

TXT Record
MS=ms20350793
MS=ms86927897
v=spf1 mx a include:spf.curanet.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (byggeadministration.dk)
-all (hard fail)	v=spf1 mx a include:spf.curanet.dk include:spf.protection.outlook.com -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

🔗 TLSA / DANE

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

🔐 DNSSEC145ms

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

🏷️ SOA0ms

Field	Value
Serial	2412490692
Primary NS (MNAME)	ernest.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

2092ms

MX

99ms

AAAA

103ms

TXT

387ms

CAA

103ms

HTTPS

67ms

TLSA

403ms

SOA

0ms

MTA-STS

121ms

DNSSEC

145ms

SRV

140ms

Total

3281ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 08:38:03	3281ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 00:16:57	1455ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-12 10:40:51	2242ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 19:01:46	965ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 18:10:18	620ms	2 NS 2 A 1 MX	🔓 Insecure	View