isocalc.dk
Last scanned: 2026-07-08 11:53:09  ·  25209ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   8094ms
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   8104ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.237.249.16 3600s splash.curanet.dk AS48854 team.blue Denmark A/S 212.237.248.0/23 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover212.237.249.16
🔶 Autoconfig212.237.249.16
🔷 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)
🔐 DNSSEC8649ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA8107ms
FieldValue
Serial2023040504
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
8094ms
A
8104ms
MX
8098ms
AAAA
8094ms
TXT
8357ms
CAA
8094ms
HTTPS
8100ms
TLSA
46ms
SOA
8107ms
MTA-STS
144ms
DNSSEC
8649ms
SRV
143ms
Total
25209ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-08 11:53:09 25209ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 17:07:19 583ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-22 04:14:00 1162ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 19:59:56 478ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-19 04:30:56 527ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-18 03:04:14 650ms 2 NS 1 A 0 MX 🔒 Secure View
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