studietips.dk
📜 Historical scan 2026-06-26 11:41:31  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
🌍 A Records2 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.47.239 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.174.138 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.47.239
🔶 Autoconfig172.67.174.138
🔷 AAAA Records (IPv6)2 records   52ms
🔐 HTTPS Records1 records   42ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.47.239,172.67.174.138 ech=AEX+DQBBiQAgACC3BPJXIqV1zmOt5kr4XVRQchnHDi6IskbFXftEL6eWZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:ae8a,2606:4700:3037::6815:2fef
📝 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)
🔐 DNSSEC87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA41ms
FieldValue
Serial2406740393
Primary NS (MNAME)aiden.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
43ms
A
58ms
MX
50ms
AAAA
52ms
TXT
225ms
CAA
35ms
HTTPS
42ms
TLSA
59ms
SOA
41ms
MTA-STS
80ms
DNSSEC
87ms
SRV
85ms
Total
1002ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 07:52:14 447ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-08-27 01:05:57 529ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-08-14 12:25:22 3047ms 4 NS 1 A 0 MX 🔓 Insecure View
2026-08-09 16:55:49 1125ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-29 09:36:53 748ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-26 11:41:31 1002ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-20 12:53:27 501ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 11:49:02 1012ms 2 NS 2 A 0 MX 🔓 Insecure View
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