osgdev.dk
📜 Historical scan 2026-07-29 11:10:29  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
🌍 A Records2 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.7.20 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.155.100 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   40ms
🔐 HTTPS Records1 records   34ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.20,172.67.155.100 ech=AEX+DQBBcgAgACB87it5Nevb68+sQ/hw47DymWDWMsOZfLhPX8CAE+tDYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9b64,2606:4700:3032::6815:714
📝 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)
🔐 DNSSEC9067ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2410744820
Primary NS (MNAME)kirk.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
40ms
A
48ms
MX
40ms
AAAA
40ms
TXT
183ms
CAA
40ms
HTTPS
34ms
TLSA
49ms
SOA
0ms
MTA-STS
48ms
DNSSEC
9067ms
SRV
47ms
Total
10321ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 03:37:09 603ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-12 01:11:51 1038ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-29 11:10:29 10321ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-13 18:16:17 911ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-24 17:23:10 1667ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 13:23:12 689ms 2 NS 2 A 0 MX 🔓 Insecure View
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