carlskalender.dk DNS records

🖥️ Nameservers2 records 59ms

Nameserver	IP addresses	PTR	ASN / ISP
gwen.ns.cloudflare.com	108.162.192.160 172.64.32.160 173.245.58.160 2606:4700:50::adf5:3aa0 2803:f800:50::6ca2:c0a0 2a06:98c1:50::ac40:20a0	gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
matteo.ns.cloudflare.com	108.162.195.224 162.159.44.224 172.64.35.224 2606:4700:58::a29f:2ce0 2803:f800:50::6ca2:c3e0 2a06:98c1:50::ac40:23e0	matteo.ns.cloudflare.com matteo.ns.cloudflare.com matteo.ns.cloudflare.com matteo.ns.cloudflare.com matteo.ns.cloudflare.com matteo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 88ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.159	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.41	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.carlskalender.dk	91.98.164.52	mail.lab11.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)2 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:389f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bb29	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.159,172.67.187.41 ech=AEX+DQBBMwAgACAgxhomKHehEW58NJqh4dTyKWEWuazzuXDGTTnRaCl5ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:389f,2606:4700:3037::ac43:bb29

📝 TXT Records2 records 202ms

TXT Record
google-site-verification=Uex5DVp26h5wOWdSh9c2iNU_6uI8GZmaYVsogqHuf6k
v=spf1 +a +mx -all +a:repo.dk

✉️ SPF

Policy	Record (carlskalender.dk)
-all (hard fail)	v=spf1 +a +mx -all +a:repo.dk

📨 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.carlskalender.dk	HjVj4JyKj8N_LeAyDcMUpBvnrVdilOocv1YihDm-_j8

🔗 TLSA / DANE

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

🔐 DNSSEC143ms

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	2413152674
Primary NS (MNAME)	gwen.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

59ms

A

88ms

MX

55ms

AAAA

70ms

TXT

202ms

CAA

55ms

HTTPS

56ms

TLSA

97ms

SOA

0ms

MTA-STS

125ms

DNSSEC

143ms

SRV

92ms

Total

979ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 13:39:50	979ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-26 11:34:07	1112ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 20:55:16	7842ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 20:22:33	4047ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-27 07:31:32	980ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 00:52:23	1081ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 20:22:29	976ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 19:36:47	554ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 03:59:40	2685ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-19 12:49:06	1125ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 19:25:15	918ms	2 NS 2 A 1 MX	🔓 Insecure	View