crystal-fibre.dk
Last scanned: 2026-08-27 20:13:41  ·  935ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   57ms
NameserverIP addressesPTRASN / ISP
a.portsdns.se 2607:f740:e009::1 a.portsdns.se AS63911 NetActuate, Inc
b.portsdns.net 2a00:11c0:3d::1
94.16.23.1		 b.portsdns.net
b.portsdns.net		 AS42354 Anexia Cloud Solutions GmbH
AS42354 Anexia Cloud Solutions GmbH
🌍 A Records1 records   80ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.237.89.88 3600s — AS9158 Telenor A/S 213.237.0.0/17 🇩🇰 Denmark —
📧 MX Records1 records   78ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s crystal-fibre.dk 213.237.89.88 — AS9158 Telenor A/S
🔷 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)
🔐 DNSSEC119ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2023101701
Primary NS (MNAME)a.portsdns.se
Responsible (RNAME)registry@ports.net
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
57ms
A
80ms
MX
78ms
AAAA
55ms
TXT
238ms
CAA
37ms
HTTPS
69ms
TLSA
173ms
SOA
0ms
MTA-STS
99ms
DNSSEC
119ms
SRV
96ms
Total
935ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:13:41 935ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 10:14:06 2350ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 19:14:46 3203ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 22:48:31 630ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 06:23:49 2502ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 23:57:58 35806ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 23:12:24 500ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 23:10:46 1530ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 23:01:11 531ms 2 NS 1 A 1 MX 🔓 Insecure View
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