tdu.dk

📜 Historical scan 2026-07-22 03:49:19  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tdu.dk is a .dk domain served by 2 nameservers (ns1auth.tdu.dk, ns2auth.tdu.dk). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   29ms
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 Records#

1 records   336ms
TXT Record
DNS admin: Kristen Nielsen, Teledanmark udvikling, krn@tdu.dk, tlf +45 66 630735 / +45 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 04:54:03
wwwNXDOMAIN
www vs bare domainNeither resolves
tdu.dk: no address
www.tdu.dk: no address
WildcardNo

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

277ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

25ms
FieldValue
Serial2024022000
Primary NS (MNAME)ns1auth.tdu.dk
Responsible (RNAME)hostmaster@tdu.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
29ms
A
28ms
MX
31ms
AAAA
28ms
TXT
336ms
CAA
30ms
HTTPS
38ms
TLSA
96ms
SOA
25ms
MTA-STS
57ms
DNSSEC
277ms
SRV
690ms
Total
5094ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-24 19:00:18 9012ms 2 NS 0 A 0 MX 🔓 Insecure
2026-09-07 03:10:44 9685ms 2 NS 0 A 0 MX 🔓 Insecure
2026-07-22 03:49:19 shown 5094ms 2 NS 0 A 0 MX 🔓 Insecure
2026-06-17 12:18:18 701ms 2 NS 0 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone