carlskalender.dk

📜 Historical scan 2026-06-20 19:36:47 · ← 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 40ms

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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.159	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.41	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

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 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:bb29	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:389f	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.159,172.67.187.41 ech=AEX+DQBBZwAgACB8MkD9IkXIScHP90pmctX+VcubFlOHleZ/exJUC+6UFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bb29,2606:4700:3035::6815:389f

📝 TXT Records#

2 records 175ms

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	IwhzKLeMNUv7xNINh_rADGn5ettcXPpC-9zitM7m6Wg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

81ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2406640429
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#

40ms

57ms

37ms

AAAA

33ms

TXT

175ms

CAA

37ms

HTTPS

32ms

TLSA

115ms

SOA

34ms

MTA-STS

34ms

DNSSEC

81ms

SRV

103ms

Total

554ms

🕐 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	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 shown	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