symposio.dk
Last scanned: 2026-08-27 05:13:51  ·  656ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   61ms
🌍 A Records2 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.75.31 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.167.4 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   70ms
🔐 HTTPS Records1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.75.31,172.67.167.4 ech=AEX+DQBBSwAgACB8hS7XGTvwvsw2I2tpNnL/N/Dx/JBih2q1hmm6BxbXYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4b1f,2606:4700:3033::ac43:a704
📝 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411610927
Primary NS (MNAME)gina.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
61ms
A
45ms
MX
81ms
AAAA
70ms
TXT
207ms
CAA
43ms
HTTPS
41ms
TLSA
62ms
SOA
0ms
MTA-STS
81ms
DNSSEC
103ms
SRV
78ms
Total
656ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 05:13:51 656ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-09 18:07:31 2078ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-28 00:01:21 1114ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-26 18:01:11 1793ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-22 08:20:18 599ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-21 23:58:08 1168ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 05:07:13 721ms 3 NS 1 A 0 MX 🔒 Secure View
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