ctav.dk

📜 Historical scan 2026-09-23 20:19:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ctav.dk is a .dk domain served by 3 nameservers (ns01.one.com, ns02.one.com, ns1.jkkn.dk). It was registered on 5 October 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.210.78.144 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by smtp.jkkn.net. The zone is DNSSEC-signed and validates, 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S
ns1.jkkn.dk	2a05:f6c7:3713::3 80.210.78.144	gw.netsense.dk gw.netsense.dk	AS203953 Hiper A/S AS203953 Hiper A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.210.78.144	43200s	gw.netsense.dk	AS203953	Hiper A/S	80.210.64.0/20	🇩🇰 Denmark	Rødovre Municipality

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	smtp.jkkn.net	2a05:f6c7:3713::3 80.210.78.144	gw.netsense.dk gw.netsense.dk	AS203953 Hiper A/S AS203953 Hiper A/S

🔷 AAAA Records (IPv6)#

1 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a05:f6c7:3713::3	43200s	gw.netsense.dk	AS203953	Hiper A/S	2a05:f6c0:0:0:0:0:0:0/29	🇩🇰 Denmark	Vedbæk

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 61ms

Service	Priority	Weight	Port	Target
_imap._tcp	5	0	143	imap.jkkn.net
_imaps._tcp	0	0	993	imap.jkkn.net

📝 TXT Records#

1 records 148ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (ctav.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.ctav.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-reports@jkkn.net; ruf=mailto:dmarc-abuse@jkkn.net; sp=reject

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

3 records 52ms

Flags	Tag	Value
0	iodef	mailto:caa-abuse@jkkn.net
0	issue	letsencrypt.org
0	issuewild	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 10:57:13

www CNAME	ctav.dk (all on ctav.dk) → 80.210.78.144 2a05:f6c7:3713::3 (AS203953)
www vs bare domain	Same network ctav.dk: 80.210.78.144 2a05:f6c7:3713::3 (AS203953) www.ctav.dk: 80.210.78.144 2a05:f6c7:3713::3 (AS203953)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 70ms

Service / Owner	Type	Cert association
SMTP _25._tcp.smtp.jkkn.net	DANE-EE · Full cert · SHA-256	CD85DCA78131FF3AE90D35C3FCF85827…
HTTPS _443._tcp.ctav.dk	DANE-EE · Full cert · SHA-256	C6B0F535100679D9DD9C61874FE31227…

🔐 DNSSEC#

109ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2024084409
Primary NS (MNAME)	ns1.jkkn.dk
Responsible (RNAME)	zonecontact@jkkn.dk
Refresh	86400s
Retry	7200s
Expire	3628800s
Minimum (neg-cache TTL)	172800s

📋 Registration#

WHOIS fetched 2026-10-11 11:29:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-10-05
Expires	2036-05-31 (3514d)

🔗 Same registrant#

13 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
asbk.dk	Punktum dk A/S (direct)
dft.dk	Punktum dk A/S (direct)
ebbj.dk	Punktum dk A/S (direct)
evakristian.dk	Punktum dk A/S (direct)
helpimprove.dk	Punktum dk A/S (direct)
improfightnight.dk	Punktum dk A/S (direct)
jkkn.dk	Punktum dk A/S (direct)
kochsgade.dk	Punktum dk A/S (direct)
netsense.dk	Punktum dk A/S (direct)
organisationsdoktoren.dk	Punktum dk A/S (direct)
ruthln.dk	Punktum dk A/S (direct)
senseleading.dk	Punktum dk A/S (direct)
ssbk.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

38ms

30ms

AAAA

35ms

TXT

148ms

CAA

52ms

HTTPS

29ms

TLSA

70ms

SOA

0ms

MTA-STS

59ms

DNSSEC

109ms

SRV

61ms

Total

790ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 10:57:13	6654ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-11 10:52:35	4690ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-09 04:52:38	1883ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 03:00:59	919ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 02:37:17	3382ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 01:55:24	1103ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 21:40:16	910ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-23 20:19:41 shown	790ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-14 22:16:15	1604ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-12 01:56:26	1451ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-06 03:24:31	1008ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-29 01:55:18	4539ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 18:37:33	651ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:29:55	1088ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-25 20:53:45	3707ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-19 03:55:05	3000ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-16 09:20:15	2368ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-10 15:07:35	1237ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-08 16:26:58	924ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-01 07:03:21	5810ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-29 09:41:42	1107ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-24 02:28:33	1141ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-22 23:55:46	1248ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-20 21:07:17	1505ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-17 05:19:46	6598ms	3 NS 1 A 1 MX	🔒 Secure