glassbox.dk
Last scanned: 2026-08-27 03:19:30  ·  769ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
🌍 A Records2 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.91.16 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.207.233 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.91.16
🔶 Autoconfig104.21.91.16
🔷 AAAA Records (IPv6)2 records   61ms
🔐 HTTPS Records1 records   74ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.91.16,172.67.207.233 ech=AEX+DQBBOAAgACACu6z+tYlNEn+wKDk/uzhGc5lAyIsqWJhR583j7e+BfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5b10,2606:4700:3037::ac43:cfe9
📝 TXT Records1 records   241ms
TXT Record
google-site-verification=9BwT_QQld0Du_SsIUfsr6kNMw3e6AHQfnrk4i4ZtnAg
✉️ 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)
🔐 DNSSEC115ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412078486
Primary NS (MNAME)kay.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
73ms
A
74ms
MX
73ms
AAAA
61ms
TXT
241ms
CAA
87ms
HTTPS
74ms
TLSA
87ms
SOA
0ms
MTA-STS
83ms
DNSSEC
115ms
SRV
121ms
Total
769ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 03:19:30 769ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-14 06:23:05 4854ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-10 08:45:51 3570ms 2 NS 0 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone