mystudy.dk
📜 Historical scan 2026-06-21 03:44:40  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   64ms
🌍 A Records2 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.108 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.179.125 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.51.108
🔶 Autoconfig104.21.51.108
🔷 AAAA Records (IPv6)2 records   65ms
🔐 HTTPS Records1 records   58ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.108,172.67.179.125 ech=AEX+DQBBTwAgACBX+ZSumZShK8h4aIpCVxTMOFQZqwKAJrcXPNyMBDoqIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b37d,2606:4700:3033::6815:336c
📝 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)
🔐 DNSSEC180ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2407461392
Primary NS (MNAME)clayton.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 RegistrationWHOIS fetched 2026-06-23 22:52:57
FieldValue
RegistrarNETIM
Registered2026-05-11
Expires2027-05-10 (248d)
📋 WHOIS
⏱️ Lookup Timing
NS
64ms
A
51ms
MX
78ms
AAAA
65ms
TXT
261ms
CAA
48ms
HTTPS
58ms
TLSA
130ms
SOA
0ms
MTA-STS
81ms
DNSSEC
180ms
SRV
130ms
Total
828ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 15:27:26 11690ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-27 14:04:35 13952ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-24 13:14:27 10417ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-16 02:14:10 1419ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-28 16:27:35 742ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-25 08:58:24 825ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-23 22:50:20 2732ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-21 03:44:40 828ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-18 08:27:33 1320ms 2 NS 2 A 0 MX 🔓 Insecure View
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