sefnet.dk

📜 Historical scan 2026-06-21 05:57:19 · ← Latest scan

sefnet.dk is a .dk domain with no delegation in this scan. It was registered on 4 September 2007 (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 2026-10-02 13:30:40

www CNAME	flow-elnet.dk (all on flow-elnet.dk)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys

1 found

Selector	CNAME	Key
selector1	selector1-sefnet-dk._domainkey.sef5700.onmicrosoft.com	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

349ms

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 2026-10-02 14:05:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-09-04
Expires	2027-09-30 (362d)

📋 WHOIS

⏱️ Lookup Timing

232ms

220ms

221ms

AAAA

231ms

TXT

337ms

CAA

237ms

HTTPS

218ms

TLSA

17ms

SOA

240ms

MTA-STS

249ms

DNSSEC

349ms

SRV

250ms

Total

1036ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-10-02 13:30:40	1052ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-30 13:24:30	816ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 03:06:13	883ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-06 10:49:54	1736ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 19:26:39	1026ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 10:04:29	1363ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-17 20:34:38	5183ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-02 01:44:05	1282ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-18 22:55:22	5271ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-03 10:50:01	730ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 22:43:06	3007ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 07:25:35	1081ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-25 17:37:53	2735ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-23 23:06:33	1190ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-21 05:57:19 shown	1036ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 03:59:16	965ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 16:13:45	2380ms	2 NS 0 A 1 MX	🔒 Secure