cnk.dk

Records from scan: 2026-09-30 14:56:40 · 715ms total · last checked 2026-10-16 17:57 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cnk.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 31 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.109 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ispc9.dotserv.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns1.dotserv.net	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	ns2.dotserv.com	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.109	3600s	ispc9.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ispc9.dotserv.com	178.20.216.109	ispc9.dotserv.com	AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.cnk.dk → 178.20.216.109
🔶 Autoconfig	178.20.216.109

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 231ms

TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

Policy	Record (cnk.dk)
-all (hard fail)	v=spf1 include:_spf.dotserv.com -all

📨 DMARC#

Policy	Record (_dmarc.cnk.dk)
p=reject	v=DMARC1; p=reject;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

2 records 29ms

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

🧩 Web & zone#

checked 2026-10-08 19:23:08

www	178.20.216.109 (AS21060) (address records, no CNAME)
www vs bare domain	Same network cnk.dk: 178.20.216.109 (AS21060) www.cnk.dk: 178.20.216.109 (AS21060)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

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

🏷️ SOA#

63ms

Field	Value
Serial	1281015720
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-08 17:42:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-08-31
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

51ms

41ms

AAAA

60ms

TXT

231ms

CAA

29ms

HTTPS

53ms

TLSA

100ms

SOA

63ms

MTA-STS

78ms

DNSSEC

64ms

SRV

99ms

Total

715ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:56:40 shown	715ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-25 04:25:08	739ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-25 01:44:39	747ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 23:22:41	2243ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-21 17:02:39	517ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 20:17:02	990ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 16:08:21	1003ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 23:35:37	65535ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:40:46	1855ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:30:15	2664ms	4 NS 1 A 1 MX	🔓 Insecure