3fk.dk
Last scanned: 2026-08-23 13:22:38  ·  5309ms total
🧟 Lame delegation ⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   475ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 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)
🔐 DNSSEC654ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure
🏷️ SOA
✗ No SOA record found
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
475ms
A
483ms
MX
404ms
AAAA
490ms
TXT
2107ms
CAA
402ms
HTTPS
433ms
TLSA
427ms
SOA
133ms
MTA-STS
492ms
DNSSEC
654ms
SRV
494ms
Total
5309ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 13:22:38 5309ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-22 12:24:43 4643ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-21 11:47:41 10319ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-20 11:15:50 3277ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-19 06:52:30 9286ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-18 03:52:07 1558ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-16 22:36:07 10423ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-14 01:35:20 3352ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-12 19:04:55 1697ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-11 10:21:44 3496ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-10 08:14:09 5680ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-07 13:51:12 10409ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-06 12:02:59 1573ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-04 03:35:42 1338ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-01 04:13:05 1530ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-28 19:39:02 10853ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-27 16:55:52 10271ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-26 16:47:41 9060ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-25 16:34:56 10136ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-24 15:49:20 1777ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-23 09:28:15 9908ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-22 04:44:31 2011ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-20 23:47:25 17673ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-19 16:57:11 1436ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-18 10:21:28 1544ms 4 NS 0 A 0 MX ❓ Unknown View
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