cfbu.dk
Last scanned: 2026-08-23 16:00:18  ·  6216ms total
🧟 Lame delegation ⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   674ms
NameserverIP addressesPTRASN / ISP
ns1.dnsresolve.io 172.105.72.183
2a01:7e01::f03c:94ff:fe6a:805d		 ns1.dnsresolve.io
—		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
ns2.dnsresolve.eu 152.115.36.124 — AS31027 GlobalConnect A/S
ns3.dnsresolve.me 212.71.233.109
2a01:7e00::f03c:94ff:fe9f:2cca		 212-71-233-109.ip.linodeusercontent.com
—		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
🌍 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)
🔐 DNSSEC728ms
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
674ms
A
649ms
MX
636ms
AAAA
650ms
TXT
3180ms
CAA
682ms
HTTPS
727ms
TLSA
617ms
SOA
654ms
MTA-STS
696ms
DNSSEC
728ms
SRV
749ms
Total
6216ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 16:00:18 6216ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-22 13:07:17 8457ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-21 12:45:48 3341ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-20 12:23:49 7447ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-19 06:25:04 10923ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-17 13:15:03 2599ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-16 03:47:03 6373ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-14 16:23:57 12520ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-12 17:24:50 17085ms 3 NS 0 A 0 MX ❓ Unknown View
2026-08-08 03:53:00 12681ms 3 NS 0 A 0 MX ❓ Unknown View
2026-07-31 20:43:36 764ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-28 05:03:32 569ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-27 04:50:41 9767ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-26 03:32:11 1048ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-25 03:15:49 8550ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-24 01:11:09 762ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-22 23:39:59 2625ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-21 20:13:34 8589ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-20 10:12:39 8602ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-19 00:15:48 1320ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-17 20:32:37 8618ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-16 05:42:39 2796ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-09 05:12:12 701ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-08 02:25:17 2758ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-06 06:50:37 2768ms 1 NS 0 A 0 MX ❓ Unknown View
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