ztudy.dk
📜 Historical scan 2026-06-17 15:23:11  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.249.16 — splash.curanet.dk AS48854 team.blue Denmark A/S 212.237.248.0/23 🇩🇰 Denmark —
📧 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
📝
No TXT records found
✉️ 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)
🔐 DNSSEC109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA33ms
FieldValue
Serial2025062504
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
42ms
A
63ms
MX
62ms
AAAA
63ms
TXT
156ms
CAA
61ms
HTTPS
42ms
TLSA
51ms
SOA
33ms
MTA-STS
62ms
DNSSEC
109ms
SRV
0ms
Total
419ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-26 09:20:00 770ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-25 09:01:52 588ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-24 08:42:42 705ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-23 02:23:15 1440ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-22 00:06:45 666ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-20 04:35:32 715ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-19 02:36:27 2644ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-18 00:22:21 2182ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-16 10:09:25 629ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-13 18:50:41 728ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-10 02:08:41 1009ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-08 16:58:03 1006ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-07 04:33:50 694ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-06 00:09:21 1141ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-04 13:57:17 990ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-02 22:07:25 2427ms 1 NS 0 A 0 MX ❓ Unknown View
2026-06-17 15:23:11 419ms 2 NS 1 A 0 MX 🔒 Secure View
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