letteboeger.dk DNS records

🖥️ Nameservers2 records 77ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.231	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.197	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)2 records 76ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1ce7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:93c5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 118ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.231,172.67.147.197 ech=AEX+DQBBTwAgACAOmWlPq4z5qUDpGw2hdQCkGJB2jlJGHIBUXoIPWZLTWQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1ce7,2606:4700:3037::ac43:93c5

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.letteboeger.dk	6qsSEnXxTW4YpuRrp23QqE7zye5UIIhRc-39UrNtmmY
TXT	_acme-challenge.letteboeger.dk	-g3vUVCRNl1OucUzg37IxiDW3ZF77bFa5EFLEPRAgjA

🔗 TLSA / DANE

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

🔐 DNSSEC219ms

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	2413639768
Primary NS (MNAME)	cortney.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

77ms

A

73ms

MX

70ms

AAAA

76ms

TXT

337ms

CAA

111ms

HTTPS

118ms

TLSA

147ms

SOA

0ms

MTA-STS

171ms

DNSSEC

219ms

SRV

168ms

Total

1183ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 20:37:58	1183ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-28 17:00:20	535ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 16:18:55	772ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 07:47:36	633ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 07:47:11	1086ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 01:58:20	6818ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-12 21:25:48	4192ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 16:35:24	1958ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 12:30:24	1840ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 04:40:01	3215ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 20:01:57	909ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 01:05:02	2516ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 14:25:48	3273ms	2 NS 2 A 1 MX	🔓 Insecure	View