fsu.dk

📜 Historical scan 2026-06-23 02:55:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fsu.dk is a .dk domain with no delegation in this scan. It was registered on 2 October 1997 (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 2026-10-13 13:41:13

www CNAME	fsu.dk (all on fsu.dk) → 185.21.41.215 (AS48854)
www vs bare domain	Same network fsu.dk: 185.21.41.215 (AS48854) www.fsu.dk: 185.21.41.215 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
k1	—	RSA · ~1024 bit below 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#

270ms

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 04:25:30

Field	Value
Registrar	ONE.COM A/S
Registered	1997-10-02
Expires	2026-12-31 (74d)

🔗 Same registrant#

8 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
byens-udlejning.dk	Simply.com A/S
eventsupply.dk	Simply.com A/S
fsufestudlejning.dk	ONE.COM A/S
fyns-serviceudlejning.dk	ONE.COM A/S
fynsserviceudlejning.dk	Simply.com A/S
konfetti.dk	Simply.com A/S
losona.dk	Simply.com A/S
tifo.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

189ms

166ms

189ms

AAAA

193ms

TXT

285ms

CAA

193ms

HTTPS

211ms

TLSA

17ms

SOA

188ms

MTA-STS

205ms

DNSSEC

270ms

SRV

210ms

Total

920ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:41:13	1124ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 20:39:51	759ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 17:24:48	773ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 18:07:54	911ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 02:03:53	2956ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 12:44:04	1148ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 17:17:33	854ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 14:31:33	5223ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 14:11:04	1217ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 14:03:56	1203ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 09:36:20	1695ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 12:17:18	2693ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 22:53:30	2732ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 02:55:05 shown	920ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 23:33:23	1203ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 13:55:18	574ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:20:42	1049ms	2 NS 1 A 1 MX	🔒 Secure