aarhuskalenderen.dk

📜 Historical scan 2026-08-04 11:18:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhuskalenderen.dk is a .dk domain served by 2 nameservers (joselyn.ns.cloudflare.com, skip.ns.cloudflare.com). It was registered on 2 March 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.83.139 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 more. 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 121ms

Nameserver	IP addresses	PTR	ASN / ISP
joselyn.ns.cloudflare.com	108.162.194.43 162.159.38.43 172.64.34.43 2606:4700:50::a29f:262b 2803:f800:50::6ca2:c22b 2a06:98c1:50::ac40:222b	joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com joselyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
skip.ns.cloudflare.com	108.162.193.233 172.64.33.233 173.245.59.233 2606:4700:58::adf5:3be9 2803:f800:50::6ca2:c1e9 2a06:98c1:50::ac40:21e9	skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.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 194ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.139	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.67	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 138ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod9-cph3.one.com	185.164.14.118	mx1.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod9-cph3.one.com	185.164.14.119	mx2.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod9-cph3.one.com	185.164.14.120	mx3.pub.mailpod9-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod9-cph3.one.com	185.164.14.124	mx4.pub.mailpod9-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 195ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:538b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:b143	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 201ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.139,172.67.177.67 ech=AEX+DQBBlQAgACBpTotRHpxkJstF/b5D6hL30QT/6ytTenxmO1GkKeQ+UgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:538b,2606:4700:3032::ac43:b143

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 17:37:55

www	104.21.83.139 172.67.177.67 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network aarhuskalenderen.dk: 104.21.83.139 172.67.177.67 2606:4700:3032::6815:538b 2606:4700:3032::ac43:b143 (AS13335) www.aarhuskalenderen.dk: 104.21.83.139 172.67.177.67 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

4 records 301ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…
SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…
SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…
SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com	DANE-EE · SPKI · SHA-256	45270A69B37BD0C454F2B3E54CC89AD7…

🔐 DNSSEC#

276ms

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	2411314692
Primary NS (MNAME)	joselyn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 19:11:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-03-02
Expires	2027-03-31 (154d)

🔗 Same registrant#

1 domain

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
bykalender.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

121ms

194ms

138ms

AAAA

195ms

TXT

334ms

CAA

182ms

HTTPS

201ms

TLSA

301ms

SOA

0ms

MTA-STS

213ms

DNSSEC

276ms

SRV

215ms

Total

2104ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 15:19:06	799ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-30 15:09:14	1319ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-20 05:06:23	1715ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-04 11:18:22 shown	2104ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-16 18:49:08	1472ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-27 02:58:54	1077ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-16 12:39:50	821ms	2 NS 2 A 4 MX	🔓 Insecure