isacore.dk
Last scanned: 2026-08-21 09:34:49  ·  4923ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
116.203.132.154 600s static.154.132.203.116.clients.your-server.de AS24940 Hetzner Online GmbH 116.202.0.0/15 🇩🇪 Germany Nuremberg
📧 MX Records1 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   168ms
TXT Record
google-site-verification=AORuUtPF8cXeK9l5rcGVVEjUZrdKu_PS_rRgXrRNlYA
✉️ 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)
🔐 DNSSEC106ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA27ms
FieldValue
Serial2026081601
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
41ms
MX
54ms
AAAA
44ms
TXT
168ms
CAA
45ms
HTTPS
57ms
TLSA
413ms
SOA
27ms
MTA-STS
56ms
DNSSEC
106ms
SRV
57ms
Total
4923ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-21 09:34:49 4923ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 19:13:45 2945ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 10:43:47 6936ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-09 06:26:25 1016ms 2 NS 1 A 4 MX 🔒 Secure View
2026-07-22 15:33:24 8319ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-28 20:56:18 710ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-20 17:56:42 1281ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 01:27:44 1127ms 2 NS 1 A 4 MX 🔒 Secure View
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