tfl.dk
Last scanned: 2026-08-31 19:57:36  ·  7459ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
NameserverIP addressesPTRASN / ISP
ns1auth.tdu.dk 80.63.62.13 ns1auth.tdu.dk AS3292 TDC Holding A/S
ns2auth.tdu.dk 80.63.62.22 ns2auth.tdu.dk AS3292 TDC Holding A/S
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   636ms
TXT Record
DNS admin: Kristen Nielsen, Teledanmark udvikling, krn@tdu.dk, tlf +45 66 63 07 35 / 40 46 62 21
✉️ 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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA43ms
FieldValue
Serial2024022000
Primary NS (MNAME)ns1auth.tdu.dk
Responsible (RNAME)hostmaster@tfl.dk
Refresh3600s
Retry600s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
50ms
MX
47ms
AAAA
44ms
TXT
636ms
CAA
44ms
HTTPS
49ms
TLSA
259ms
SOA
43ms
MTA-STS
144ms
DNSSEC
97ms
SRV
753ms
Total
7459ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 19:57:36 7459ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-24 19:37:37 10267ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-20 17:12:47 6389ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-15 19:27:16 11972ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-24 07:33:02 17907ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-21 21:35:45 22521ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-02 06:20:29 10999ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-17 22:36:36 5845ms 2 NS 0 A 0 MX 🔓 Insecure View
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