headstrong.dk
Last scanned: 2026-08-26 16:17:11  ·  914ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   69ms
🌍 A Records2 records   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.65.80 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.189.103 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.67.189.103
🔶 Autoconfig104.21.65.80
🔷 AAAA Records (IPv6)2 records   65ms
🔐 HTTPS Records1 records   54ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.65.80,172.67.189.103 ech=AEX+DQBBDgAgACDH6830XIjbPhGwX6lmbkobeH4z2RDPkGcHd/DpskPMWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bd67,2606:4700:3035::6815:4150
📝 TXT Records2 records   365ms
TXT Record
facebook-domain-verification=xk6ir6qdaaj0628ptjdpu86a097udn
google-site-verification=bencko_QmcAHXIbxClIVe8V3-QYf6fRBkpM__umC6tw
✉️ 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2410773100
Primary NS (MNAME)colette.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
69ms
A
36ms
MX
56ms
AAAA
65ms
TXT
365ms
CAA
64ms
HTTPS
54ms
TLSA
105ms
SOA
0ms
MTA-STS
64ms
DNSSEC
103ms
SRV
120ms
Total
914ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 16:17:11 914ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-15 17:06:17 4147ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-06 12:44:57 1177ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-16 14:57:46 1095ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 11:10:56 812ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 11:04:56 2959ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 10:56:44 1200ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone