c-learn.dk
📜 Historical scan 2026-06-16 18:46:36  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   43ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
🌍 A Records
🌍
No A records found
📧 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)
🔐 DNSSEC62ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA29ms
FieldValue
Serial2025072201
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
43ms
A
28ms
MX
37ms
AAAA
42ms
TXT
178ms
CAA
100ms
HTTPS
42ms
TLSA
43ms
SOA
29ms
MTA-STS
44ms
DNSSEC
62ms
SRV
0ms
Total
340ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-22 08:41:41 1059ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-21 08:21:04 3408ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-20 07:18:59 840ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-19 05:42:53 3211ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-17 14:34:49 818ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-16 08:40:54 3870ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-15 01:12:35 1146ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-13 22:38:27 2903ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-12 16:19:19 2121ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-11 04:40:23 876ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-10 03:51:28 793ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-08 10:54:41 8607ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-06 08:59:45 779ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-27 18:34:45 719ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-26 18:23:48 8678ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-25 18:01:55 8600ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-24 17:12:44 650ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-23 17:09:19 8595ms 1 NS 0 A 0 MX ❓ Unknown View
2026-06-27 07:02:25 486ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-26 17:49:33 492ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-16 18:46:36 340ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-16 18:40:44 338ms 3 NS 0 A 0 MX 🔒 Secure View
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