lfub.dk
Last scanned: 2026-08-28 10:38:59  ·  9602ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
NameserverIP addressesPTRASN / ISP
ns1.azehosting.net 2a01:4f8:13b:3146::1
94.130.138.185		 —
ns1.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns2.azehosting.net 2a01:4f8:c17:5f0a::2
88.99.15.5		 ns2.azehosting.net
ns2.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.83.125 3600s re03.azehosting.net AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany Falkenstein
📧 MX Records1 records   2067ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.lfub.dk 2a01:4f8:2200:4382::2
49.12.83.125		 re03.azehosting.net
re03.azehosting.net		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)1 records   2052ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:2200:4382::2 3600s re03.azehosting.net AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   2339ms
TXT Record
v=spf1 ip4:49.12.83.125 include:spf.azehosting.net include:spf.resellerhotel.dk +mx +a ~all
✉️ SPF
PolicyRecord (lfub.dk)
~all (soft fail) v=spf1 ip4:49.12.83.125 include:spf.azehosting.net include:spf.resellerhotel.dk +mx +a ~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
TXT _acme-challenge.lfub.dk Vde_rNe8KAznBg0hPtVtYJ9F8PoX0HzriCBXQoYxLNM
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC9079ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082501
Primary NS (MNAME)ns1.azehosting.net
Responsible (RNAME)hej@papbjorn.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
58ms
A
61ms
MX
2067ms
AAAA
2052ms
TXT
2339ms
CAA
2059ms
HTTPS
67ms
TLSA
93ms
SOA
0ms
MTA-STS
2113ms
DNSSEC
9079ms
SRV
2093ms
Total
9602ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:38:59 9602ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-26 11:19:48 753ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-19 05:43:01 4936ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-13 11:50:39 4964ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-26 07:37:06 6821ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 02:35:22 1915ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 18:56:05 7627ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 17:46:52 1043ms 2 NS 1 A 1 MX 🔓 Insecure View
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