lektieoverblik.dk
Last scanned: 2026-09-11 10:25:27  ·  2021ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   124ms
🌍 A Records2 records   107ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.72.199 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.187.77 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   108ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)2 records   121ms
🔐 HTTPS Records1 records   118ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.72.199,172.67.187.77 ech=AEX+DQBB/QAgACBjY8XD+58/zkL+KXTQPw3sC60qaIxfVRTZXqP+SsXAHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:48c7,2606:4700:3034::ac43:bb4d
📝 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.lektieoverblik.dk mjoKq43avQL6oTJKz7BA0c4GkI5g7zh_qr80YsTLs_w
TXT _acme-challenge.lektieoverblik.dk uLHx41LGBoMS-2pM7GmC1XsS3FQ-CTR3-7rDsvR_XJw
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC177ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2414540589
Primary NS (MNAME)bethany.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
124ms
A
107ms
MX
108ms
AAAA
121ms
TXT
233ms
CAA
132ms
HTTPS
118ms
TLSA
595ms
SOA
0ms
MTA-STS
125ms
DNSSEC
177ms
SRV
132ms
Total
2021ms
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