carlskalender.dk

📜 Historical scan 2026-08-20 20:55:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

carlskalender.dk is a .dk domain served by 2 nameservers (gwen.ns.cloudflare.com, matteo.ns.cloudflare.com). It was registered on 1 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.159 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.carlskalender.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 286ms

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 Records#

2 records 240ms

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 Records#

1 records 243ms

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 243ms

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 Records#

1 records 262ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.159,172.67.187.41 ech=AEX+DQBB4wAgACAoulem06W6JHduWoXYsSI48mVBiWckGpgKNzjZBLwzaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:389f,2606:4700:3037::ac43:bb29

📝 TXT Records#

2 records 863ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 13:38:00

www	104.21.56.159 172.67.187.41 2606:4700:3031::6815:389f 2606:4700:3037::ac43:bb29 (AS13335) (address records, no CNAME)
www vs bare domain	Same network carlskalender.dk: 104.21.56.159 172.67.187.41 2606:4700:3031::6815:389f 2606:4700:3037::ac43:bb29 (AS13335) www.carlskalender.dk: 104.21.56.159 172.67.187.41 2606:4700:3031::6815:389f 2606:4700:3037::ac43:bb29 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.carlskalender.dk	HjVj4JyKj8N_LeAyDcMUpBvnrVdilOocv1YihDm-_j8
TXT	_acme-challenge.carlskalender.dk	lWKn4tZBD2dWA8rTUK0UDxqtGhZ5EFCjyMkEr2MG1FM
TXT	_acme-challenge.carlskalender.dk	OshuVQQLgXM7-PwNANKDIBtefcIgMOC5pIksRDwp2Hk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

606ms

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	2412711238
Primary NS (MNAME)	gwen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 13:53:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-11-01
Expires	2026-11-30 (35d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
lab11.dk	Punktum dk A/S (direct)
repo.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

286ms

240ms

243ms

AAAA

243ms

TXT

863ms

CAA

285ms

HTTPS

262ms

TLSA

682ms

SOA

0ms

MTA-STS

443ms

DNSSEC

606ms

SRV

311ms

Total

7842ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 13:38:00	1633ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 13:23:59	499ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 22:00:46	2535ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 05:20:50	758ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 13:41:31	735ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 13:39:50	979ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 11:34:07	1112ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 20:55:16 shown	7842ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 20:22:33	4047ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-27 07:31:32	980ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 00:52:23	1081ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 20:22:29	976ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 19:36:47	554ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 03:59:40	2685ms	2 NS 2 A 1 MX	⚠️ Bogus
2026-06-19 12:49:06	1125ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 19:25:15	918ms	2 NS 2 A 1 MX	🔓 Insecure