1kalender.dk

📜 Historical scan 2026-09-24 22:35:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

1kalender.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 14 January 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.20 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by 1kalender.dk. The zone is not DNSSEC-signed, publishes a 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#

3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	167.235.66.236 2a01:4f8:1c1e:d097::1	ns5.chosting.dk ns5.chosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns6.chosting.dk	2001:41d0:305:2100::80e9 51.91.57.33	ns6.chosting.dk ns6.chosting.dk	AS16276 OVH SAS AS16276 OVH SAS
ns7.chosting.dk	178.20.220.33	ns7.chosting.dk	AS21060 Atea A/S

🌍 A Records#

1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.20	3600s	server11.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	1kalender.dk	178.20.216.20 2a01:7cc0:101:ffff::1:8	server11.chosting.dk —	AS21060 Atea A/S AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	178.20.216.20
🔶 Autoconfig	178.20.216.20

🔷 AAAA Records (IPv6)#

1 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:8	86400s	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 117ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 291ms

TXT Record
v=spf1 include:spf.chosting.dk include:spf.mandrillapp.com ?all

✉️ SPF#

Policy	Record (1kalender.dk)
?all (neutral)	v=spf1 include:spf.chosting.dk include:spf.mandrillapp.com ?all

📨 DMARC#

Policy	Record (_dmarc.1kalender.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 50ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 21:15:40

www CNAME	1kalender.dk (all on 1kalender.dk) → 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060)
www vs bare domain	Same network 1kalender.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060) www.1kalender.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.1kalender.dk	Vdfsl7Jw-eFfnngFnbWaJJj-uqqldsG19PnqvfHk6QU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

143ms

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	2026092401
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	logs@chosting.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-14 08:14:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-01-14
Expires	2027-07-31 (287d)

🔗 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
lipinski.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

57ms

AAAA

52ms

TXT

291ms

CAA

50ms

HTTPS

51ms

TLSA

669ms

SOA

0ms

MTA-STS

81ms

DNSSEC

143ms

SRV

117ms

Total

1465ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 10:58:09	995ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 22:35:09 shown	1465ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-26 15:33:38	1088ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-25 07:14:57	775ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 07:20:40	1169ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 10:35:35	2664ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 09:51:55	883ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 05:46:42	2202ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:47:37	2758ms	3 NS 1 A 1 MX	🔓 Insecure