cryptolearn.dk
Last scanned: 2026-08-28 09:47:40  ·  9430ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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   419ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.218 3600s webcluster1.webpod18-cph3.g1i.one AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   46ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:108:d7:8e07:4954:669e 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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)
🔐 DNSSEC9083ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
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
37ms
A
419ms
MX
39ms
AAAA
46ms
TXT
161ms
CAA
56ms
HTTPS
50ms
TLSA
61ms
SOA
0ms
MTA-STS
67ms
DNSSEC
9083ms
SRV
418ms
Total
9430ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 09:47:40 9430ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 17:16:43 449ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-31 07:01:24 735ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-28 20:51:20 4629ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 12:44:36 8564ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 12:27:50 8610ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 07:42:56 526ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 21:33:26 603ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 23:47:16 37690ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 23:16:31 1289ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 23:10:50 317ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 23:01:16 534ms 2 NS 1 A 0 MX 🔒 Secure View
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