rtk-cv.dk

📜 Historical scan 2026-06-22 15:33:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtk-cv.dk is a .dk domain with no delegation in this scan. It was registered on 7 January 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

🖥️

No NS records found

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-22 08:22:52

www	146.148.75.196 (AS396982) (address records, no CNAME)
www vs bare domain	Only www resolves rtk-cv.dk: no address www.rtk-cv.dk: 146.148.75.196 (AS396982) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u53346019.wl020.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u53346019.wl020.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

288ms

Check	Result
Validation Status	Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown).
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-17 22:04:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-01-07
Expires	2028-01-31 (464d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

188ms

171ms

176ms

AAAA

187ms

TXT

301ms

CAA

182ms

HTTPS

221ms

TLSA

17ms

SOA

196ms

MTA-STS

209ms

DNSSEC

288ms

SRV

218ms

Total

946ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 08:22:52	1165ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-17 21:48:55	657ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-23 16:38:33	703ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-17 04:57:43	815ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-07 05:47:34	669ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-17 03:00:18	1471ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-11 23:05:03	1226ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-26 19:49:52	5243ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-22 17:32:06	710ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-22 15:33:56 shown	946ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 02:53:25	1030ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-17 12:59:51	1221ms	2 NS 0 A 5 MX	🔒 Secure