ztu.dk
Last scanned: 2026-07-26 02:05:16  ·  1814ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
🌍 A Records2 records   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.88.39 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.172.73 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.88.39
🔶 Autoconfig172.67.172.73
🔷 AAAA Records (IPv6)2 records   45ms
🔐 HTTPS Records1 records   46ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.88.39,172.67.172.73 ech=AEX+DQBBWQAgACD5xGv+w6dlXBkJWwoLO+WFs1QP/0qVz816snWQLV7BAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5827,2606:4700:3036::ac43:ac49
📝 TXT Records1 records   203ms
TXT Record
MS=ms97125873
✉️ 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)
🔐 DNSSEC110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2410482636
Primary NS (MNAME)anita.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
38ms
A
37ms
MX
35ms
AAAA
45ms
TXT
203ms
CAA
36ms
HTTPS
46ms
TLSA
85ms
SOA
0ms
MTA-STS
62ms
DNSSEC
110ms
SRV
91ms
Total
1814ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-26 02:05:16 1814ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-05 23:13:44 1460ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-26 15:02:37 1773ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-25 20:27:36 2049ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-19 13:17:10 3612ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 20:20:49 1598ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone