gultfo.dk
Last scanned: 2026-08-27 03:54:25  ·  2522ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
🌍 A Records2 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.1.37 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.186.130 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover185.221.38.116
🔶 Autoconfig185.221.38.116
🔷 AAAA Records (IPv6)2 records   62ms
🔐 HTTPS Records1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.1.37,172.67.186.130 ech=AEX+DQBBOAAgACACu6z+tYlNEn+wKDk/uzhGc5lAyIsqWJhR583j7e+BfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:125,2606:4700:3031::ac43:ba82
📝 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)
🔐 DNSSEC2065ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413012633
Primary NS (MNAME)aspen.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
58ms
A
58ms
MX
70ms
AAAA
62ms
TXT
263ms
CAA
63ms
HTTPS
39ms
TLSA
76ms
SOA
0ms
MTA-STS
63ms
DNSSEC
2065ms
SRV
89ms
Total
2522ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 03:54:25 2522ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-24 01:37:44 2788ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-23 00:55:42 1622ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-27 22:36:55 746ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-26 17:26:25 6083ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-22 22:50:42 1168ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 19:23:38 445ms 2 NS 1 A 0 MX ⚠️ Bogus View
2026-06-17 10:48:39 486ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:45:03 529ms 2 NS 1 A 0 MX 🔒 Secure View
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