duffspin.dk
📜 Historical scan 2026-06-17 04:55:39  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
NameserverIP addressesPTRASN / ISP
marvin.ns.cloudflare.com — — —
robin.ns.cloudflare.com — — —
🌍 A Records2 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.42.203 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.210.15 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:2acb — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
2606:4700:3031::ac43:d20f — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
🔐 HTTPS Records1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.42.203,172.67.210.15 ech=AEX+DQBBTgAgACBkv//ZxP4Vaum9fERkUVoG+f/WeY8RgzuorCx9S5g9PgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2acb,2606:4700:3031::ac43:d20f
📝 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)
🔐 DNSSEC126ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA28ms
FieldValue
Serial2404659793
Primary NS (MNAME)marvin.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
31ms
A
50ms
MX
34ms
AAAA
29ms
TXT
104ms
CAA
30ms
HTTPS
46ms
TLSA
62ms
SOA
28ms
MTA-STS
47ms
DNSSEC
126ms
SRV
0ms
Total
402ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 13:27:16 1122ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-26 19:43:42 2484ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-22 02:12:40 9780ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-17 23:20:25 880ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-23 05:08:36 972ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-22 06:31:31 1169ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 11:31:13 612ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 04:55:39 402ms 2 NS 2 A 0 MX 🔓 Insecure View
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