fibsem.dk
Last scanned: 2026-08-28 10:05:35  ·  853ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   70ms
🌍 A Records1 records   44ms
📧 MX Records1 records   56ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   284ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (fibsem.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.fibsem.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;
📬 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)
🔐 DNSSEC174ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2022054970
Primary NS (MNAME)ns.web-solutions.dk
Responsible (RNAME)hostmaster@web-solutions.eu
Refresh28800s
Retry7200s
Expire2419200s
Minimum (neg-cache TTL)21600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
70ms
A
44ms
MX
56ms
AAAA
61ms
TXT
284ms
CAA
61ms
HTTPS
57ms
TLSA
101ms
SOA
0ms
MTA-STS
166ms
DNSSEC
174ms
SRV
86ms
Total
853ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:05:35 853ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 07:41:51 706ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-20 21:57:23 3839ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-19 19:07:55 16613ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-17 15:41:38 764ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-15 12:30:03 1320ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-08-07 13:51:50 887ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-23 08:29:05 792ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-16 13:43:57 2542ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-09 04:43:43 983ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-07-03 13:05:33 6404ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-28 02:07:25 1003ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-22 22:25:27 701ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 00:05:20 1074ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 10:06:33 10536ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 10:04:46 763ms 4 NS 1 A 0 MX 🔓 Insecure View
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