dulk.dk
📜 Historical scan 2026-06-17 05:00:15  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   35ms
NameserverIP addressesPTRASN / ISP
brett.ns.cloudflare.com — — —
isla.ns.cloudflare.com — — —
🌍 A Records2 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.3.128 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.130.182 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:82b6 — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
2606:4700:3033::6815:380 — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
🔐 HTTPS Records1 records   36ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.128,172.67.130.182 ech=AEX+DQBBTgAgACBkv//ZxP4Vaum9fERkUVoG+f/WeY8RgzuorCx9S5g9PgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:82b6,2606:4700:3033::6815:380
📝 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)
🔐 DNSSEC212ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA37ms
FieldValue
Serial2405854335
Primary NS (MNAME)brett.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
35ms
A
35ms
MX
33ms
AAAA
33ms
TXT
208ms
CAA
35ms
HTTPS
36ms
TLSA
55ms
SOA
37ms
MTA-STS
31ms
DNSSEC
212ms
SRV
0ms
Total
480ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:34:44 755ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-09 00:33:16 2673ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-02 00:15:26 1432ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 05:21:51 12950ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 05:18:01 1431ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 05:06:28 395ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 05:00:15 480ms 2 NS 2 A 0 MX 🔓 Insecure View
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