tdch.dk
Last scanned: 2026-06-23 03:36:50  ·  1709ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   62ms
NameserverIP addressesPTRASN / ISP
authns001.yacn.dk 213.174.84.205 authns001.yacn.dk AS44398 Itm8 A/S
authns002.yacn.dk 2.106.41.246 authns002.yacn.dk AS3292 TDC Holding A/S
authns003.yacn.dk 137.117.161.172 authns003.yacn.dk AS8075 Microsoft Corporation
🌍 A Records
🌍
No A records found
📧 MX Records2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s tdchtech02.gkl.tdch.dk 92.43.124.204 tdchtech02.gkl.tdch.dk AS44398 Itm8 A/S
20 600s mailrelay01.tdchosting.dk 92.43.124.90 mailrelay01.tdchosting.dk AS44398 Itm8 A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   1198ms
TXT Record
2lt14hzvwl5jg4cjtqp4l3x7mzq0mdcx
hddj4sjqtr2mnv1g6b3x1wkshhtvj4mw
v=spf1 mx -all
✉️ SPF
PolicyRecord (tdch.dk)
-all (hard fail) v=spf1 mx -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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC784ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA299ms
FieldValue
Serial2023051201
Primary NS (MNAME)authns001.yacn.dk
Responsible (RNAME)hostmaster@itrelation.dk
Refresh14400s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
62ms
A
267ms
MX
38ms
AAAA
34ms
TXT
1198ms
CAA
293ms
HTTPS
273ms
TLSA
154ms
SOA
299ms
MTA-STS
34ms
DNSSEC
784ms
SRV
744ms
Total
1709ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-23 03:36:50 1709ms 3 NS 0 A 2 MX 🔓 Insecure View
2026-06-21 23:24:01 922ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 14:17:41 2223ms 3 NS 0 A 2 MX 🔓 Insecure View
2026-06-18 05:15:30 2493ms 3 NS 0 A 2 MX 🔓 Insecure View
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