byggeadministrator.dk DNS records

🖥️ Nameservers2 records 35ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.138	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.129.71	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	300s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.129.71
🔶 Autoconfig	104.21.2.138

🔷 AAAA Records (IPv6)2 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:8147	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:28a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.138,172.67.129.71 ech=AEX+DQBBBgAgACBEL2kTc7t0No4sUAg1lNvXQizBjLJ7M2y7TwDjxpjiUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:8147,2606:4700:3036::6815:28a

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2413517760
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

35ms

A

38ms

MX

27ms

AAAA

44ms

TXT

152ms

CAA

26ms

HTTPS

46ms

TLSA

52ms

SOA

0ms

MTA-STS

46ms

DNSSEC

105ms

SRV

59ms

Total

564ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 19:13:11	564ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-26 15:06:14	1006ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-16 23:51:42	1230ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-14 01:52:30	1148ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-19 18:02:35	1821ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-25 23:32:04	939ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-24 08:56:24	798ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-23 05:24:47	931ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 15:00:48	557ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-18 21:48:50	2284ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-16 18:10:33	448ms	2 NS 2 A 2 MX	🔒 Secure	View