fertan.dk
📜 Historical scan 2026-06-17 10:08:06  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   62ms
NameserverIP addressesPTRASN / ISP
ns1.linuxhus.dk 37.128.222.18 — AS39642 Sinal A/S
ns2.linuxhus.dk 37.128.222.19 — AS39642 Sinal A/S
ns3.linuxhus.dk 37.128.222.20 — AS39642 Sinal A/S
🌍 A Records1 records   68ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.128.222.26 — h1.linuxhus.dk AS39642 Sinal A/S 37.128.208.0/20 🇩🇰 Denmark Esbjerg
📧 MX Records1 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
5 — mx.mailsec.dk 37.128.222.5 mx.mailsec.dk AS39642 Sinal A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   531ms
TXT Record
v=spf1 a mx a:fertan.dk ip4:37.128.222.26 ip4:37.128.222.26 ?all
✉️ SPF
PolicyRecord (fertan.dk)
?all (neutral) v=spf1 a mx a:fertan.dk ip4:37.128.222.26 ip4:37.128.222.26 ?all
📨 DMARC
PolicyRecord (_dmarc.fertan.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records1 records   72ms
FlagsTagValue
0 issuewild letsencrypt.org
🔗 TLSA / DANE1 records   212ms
Service / OwnerTypeCert association
HTTPS _443._tcp.fertan.dk DANE-EE · Full cert · SHA-256 BF23A5F4D54B916BB06587A221EF8343…
🔐 DNSSEC161ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA70ms
FieldValue
Serial2026061200
Primary NS (MNAME)ns1.linuxhus.dk
Responsible (RNAME)root@ns1.linuxhus.dk
Refresh60s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
68ms
MX
71ms
AAAA
68ms
TXT
531ms
CAA
72ms
HTTPS
72ms
TLSA
212ms
SOA
70ms
MTA-STS
132ms
DNSSEC
161ms
SRV
0ms
Total
1081ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 21:44:56 4077ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-20 19:06:11 12979ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-13 14:00:58 5509ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-03 05:44:23 1565ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-26 17:36:11 672ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-19 22:16:44 4625ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-17 05:22:17 22708ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-13 03:01:14 17927ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-04 13:51:33 5425ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-28 02:55:21 816ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-26 15:59:11 2766ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:14:03 2957ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:08:06 1081ms 3 NS 1 A 1 MX 🔒 Secure View
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