sfb-su.dk

📜 Historical scan 2026-08-11 09:18:13 · ← Latest scan

🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfb-su.dk is a registered .dk domain whose nameservers (ns3.bilinfo.dk, ns4.bilinfo.dk, ns5.bilinfo.dk) do not answer for it, so it is currently a lame delegation and does not resolve. It 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#

3 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.bilinfo.dk	—	—	—
ns4.bilinfo.dk	—	—	—
ns5.bilinfo.dk	—	—	—

🌍 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2075ms

Check	Result
Validation Status	❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

54ms

45ms

AAAA

43ms

TXT

125ms

CAA

44ms

HTTPS

71ms

TLSA

22ms

SOA

21ms

MTA-STS

53ms

DNSSEC

2075ms

SRV

52ms

Total

3191ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-13 14:40:33	1338ms	3 NS 0 A 0 MX	❓ Unknown
2026-09-13 06:28:52	3331ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-24 02:16:32	3130ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-22 21:03:41	1440ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-21 20:57:22	1694ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-20 20:47:51	1329ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-19 19:24:38	6017ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-18 19:24:12	1446ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-17 16:01:49	1197ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-16 04:59:30	1531ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-15 02:52:42	1235ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-13 15:30:05	1274ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-11 09:18:13 shown	3191ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-10 04:13:56	3313ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-08 20:28:12	1281ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-06 23:43:37	1141ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-01 23:03:39	1378ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-29 09:54:04	1619ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-27 11:25:21	1546ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-26 10:42:54	1575ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-25 10:20:33	1263ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-24 09:45:44	1084ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-23 08:13:58	1771ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-21 23:25:41	17275ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-20 12:06:29	9439ms	3 NS 0 A 0 MX	❓ Unknown