frbbf.dk
Last scanned: 2026-09-04 08:16:11  ·  823ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   188ms
🌍 A Records1 records   186ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 3600s AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark
📧 MX Records3 records   49ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverfrbbf.dk → 46.183.138.100
🔶 Autoconfigfrbbf.dk → 46.183.138.100
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   228ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk
📝 TXT Records2 records   347ms
TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all
✉️ SPF
PolicyRecord (frbbf.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all
📨 DMARC
PolicyRecord (_dmarc.frbbf.dk)
p=reject v=DMARC1; p=reject;
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.frbbf.dk frbbf.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC251ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns1.gigahost.dk
Responsible (RNAME)hostmaster@frbbf.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
188ms
A
186ms
MX
49ms
AAAA
25ms
TXT
347ms
CAA
35ms
HTTPS
192ms
TLSA
56ms
SOA
0ms
MTA-STS
67ms
DNSSEC
251ms
SRV
228ms
Total
823ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 08:16:11 823ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-27 19:25:29 673ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-20 10:07:41 10197ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-13 16:30:35 4011ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-08-07 00:02:55 1293ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-30 07:55:08 1857ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-23 19:08:00 915ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-16 22:44:57 2737ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-10 14:51:37 1378ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-07-03 10:54:37 5341ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-29 13:37:24 796ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-29 05:43:03 925ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-23 17:13:15 1153ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-21 18:04:00 1152ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 04:12:05 2381ms 5 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 10:00:50 1641ms 5 NS 1 A 3 MX 🔓 Insecure View
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