gtsdk.dk
Last scanned: 2026-06-24 07:26:26  ·  1341ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
🌍 A Records3 records   75ms
📧 MX Records1 records   85ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.97.55.205
🔶 Autoconfig23.227.38.65
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   105ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records5 records   149ms
TXT Record
_globalsign-domain-verification=-1CEcJa3qkm82CnPyEJ25FIxWorUZ75Zeh3311QWxL
_globalsign-domain-verification=aqKCZRcXRaeTD_1D7dskpjS17_xRntQ4DzVHrSHR8F
_globalsign-domain-verification=c2Cb8EQFoxuZcVKayagzfnYYXCJiyuCRBHRsGC_e__
eeid86ojgqq3ngvp8mtm5b62t4
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (gtsdk.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.gtsdk.dk)
p=reject v=DMARC1; p=reject;
📬 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)
🔐 DNSSEC99ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsbroken trust chain resolving 'gtsdk.dk/DS/IN': 127.0.0.1#53
🏷️ SOA34ms
FieldValue
Serial2026020401
Primary NS (MNAME)ns01.curadc.dk
Responsible (RNAME)hostmaster@gtsdk.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
75ms
MX
85ms
AAAA
35ms
TXT
149ms
CAA
26ms
HTTPS
34ms
TLSA
824ms
SOA
34ms
MTA-STS
45ms
DNSSEC
99ms
SRV
105ms
Total
1341ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 07:26:26 1341ms 2 NS 3 A 1 MX ❓ Unknown View
2026-06-23 18:53:00 994ms 2 NS 3 A 1 MX 🔓 Insecure View
2026-06-17 10:12:49 4568ms 2 NS 3 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone