fiber.dk
Last scanned: 2026-06-24 20:31:53  ·  2357ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   219ms
🌍 A Records1 records   209ms
📧 MX Records1 records   205ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s mx.mailfactory.blue 212.237.249.136 AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverfront.lightmail.dk → 212.237.249.138
🔶 Autoconfigfront.lightmail.dk → 212.237.249.138
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   398ms
TXT Record
_globalsign-domain-verification=3l5qZA3-hHLJwBGZSQ3sM414wqkMl-B9ETHPvKtjnT
v=spf1 include:lightmail.dk -all
✉️ SPF
PolicyRecord (fiber.dk)
-all (hard fail) v=spf1 include:lightmail.dk -all
📨 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.fiber.dk front.lightmail.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC334ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA231ms
FieldValue
Serial2020070200
Primary NS (MNAME)ns1.fibianet.dk
Responsible (RNAME)hostmaster@fibianet.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
219ms
A
209ms
MX
205ms
AAAA
210ms
TXT
398ms
CAA
228ms
HTTPS
222ms
TLSA
317ms
SOA
231ms
MTA-STS
291ms
DNSSEC
334ms
SRV
293ms
Total
2357ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 20:31:53 2357ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 16:24:28 946ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 10:08:11 719ms 2 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone