dgu.dk
Last scanned: 2026-08-15 21:29:23  ·  858ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
🌍 A Records2 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.12.90 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.194.3 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover172.67.194.3
🔶 Autoconfig172.67.194.3
🔷 AAAA Records (IPv6)2 records   46ms
🔐 HTTPS Records1 records   41ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.12.90,172.67.194.3 ech=AEX+DQBB/AAgACDBkjkQD2BdrQQCoJ5nTdFmGVP+yIPiIHCHLdJamzCvagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:c5a,2606:4700:3035::ac43:c203
📝 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)
🔐 DNSSEC82ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2412303754
Primary NS (MNAME)fatima.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
46ms
A
42ms
MX
52ms
AAAA
46ms
TXT
219ms
CAA
42ms
HTTPS
41ms
TLSA
59ms
SOA
0ms
MTA-STS
68ms
DNSSEC
82ms
SRV
71ms
Total
858ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-15 21:29:23 858ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-11 18:10:13 1034ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-18 03:45:50 3843ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-17 00:26:37 890ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-28 08:07:18 913ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-26 17:27:56 720ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-17 02:35:55 415ms 2 NS 2 A 0 MX 🔒 Secure View
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