skycomputing.dk
📜 Historical scan 2026-07-28 09:12:19  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   169ms
🌍 A Records2 records   182ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.61.64 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.206.241 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   177ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.61.64
🔶 Autoconfig172.67.206.241
🔷 AAAA Records (IPv6)2 records   182ms
🔐 HTTPS Records1 records   190ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.61.64,172.67.206.241 ech=AEX+DQBBVQAgACCst32au/k+ebZhwmFEznLjZC2tFh355EEU5RCMG8wUNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:cef1,2606:4700:3034::6815:3d40
📝 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)
🔐 DNSSEC266ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2410632428
Primary NS (MNAME)dora.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
169ms
A
182ms
MX
177ms
AAAA
182ms
TXT
402ms
CAA
171ms
HTTPS
190ms
TLSA
125ms
SOA
0ms
MTA-STS
204ms
DNSSEC
266ms
SRV
221ms
Total
1392ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-21 07:10:17 4084ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-19 00:05:14 3226ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-01 03:16:26 1576ms 2 NS 2 A 1 MX 🔒 Secure View
2026-07-28 09:12:19 1392ms 2 NS 2 A 1 MX 🔒 Secure View
2026-07-12 17:56:31 779ms 2 NS 2 A 1 MX 🔒 Secure View
2026-07-03 17:49:30 1883ms 2 NS 2 A 1 MX 🔒 Secure View
2026-06-22 11:07:57 1824ms 2 NS 2 A 1 MX 🔒 Secure View
2026-06-19 21:20:07 2738ms 2 NS 2 A 1 MX 🔒 Secure View
2026-06-18 06:39:08 766ms 2 NS 2 A 0 MX 🔒 Secure View
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