skoleanalyser.dk
📜 Historical scan 2026-06-18 00:27:39  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   55ms
🌍 A Records2 records   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.30.236 AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.174.45 AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   36ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records1 records   36ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.30.236,172.67.174.45 ech=AEX+DQBBXQAgACCKtZprehaOOcZuI8UfRINUiU1H1hp2/GZSIeULHEiwSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA=
📝 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)
🔐 DNSSEC64ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA36ms
FieldValue
Serial2405922066
Primary NS (MNAME)leah.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
55ms
A
56ms
MX
36ms
AAAA
27ms
TXT
223ms
CAA
53ms
HTTPS
36ms
TLSA
75ms
SOA
36ms
MTA-STS
34ms
DNSSEC
64ms
SRV
68ms
Total
732ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 02:01:34 929ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-08-01 14:39:06 10029ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-07-18 16:10:16 1014ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-29 04:54:47 826ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-25 09:51:16 2348ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-20 06:11:13 8681ms 2 NS 2 A 3 MX 🔓 Insecure View
2026-06-18 00:27:39 732ms 2 NS 2 A 3 MX 🔓 Insecure View
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