tdr.dk
Last scanned: 2026-07-03 12:00:41  ·  12331ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
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   640ms
TXT Record
DNS admin: Kristen Nielsen, Teledanmark udvikling, krn@tdu.dk, tlf 66 630735 / 40 466221
✉️ 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)
🔐 DNSSEC194ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA27ms
FieldValue
Serial2024022000
Primary NS (MNAME)ns1auth.tdu.dk
Responsible (RNAME)hostmaster@tdr.dk
Refresh3600s
Retry600s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
31ms
MX
29ms
AAAA
29ms
TXT
640ms
CAA
29ms
HTTPS
39ms
TLSA
43ms
SOA
27ms
MTA-STS
51ms
DNSSEC
194ms
SRV
2030ms
Total
12331ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-03 12:00:41 12331ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-27 18:26:40 8406ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-24 23:01:10 10582ms 2 NS 0 A 0 MX ❓ Unknown View
2026-06-24 08:33:28 1144ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 23:23:05 9388ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-20 19:30:39 1132ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:42:34 2996ms 2 NS 0 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone