dgu.dk
📜 Historical scan 2026-08-11 18:10:13  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
🌍 A Records2 records   43ms
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
🔶 Autoconfig104.21.12.90
🔷 AAAA Records (IPv6)2 records   73ms
🔐 HTTPS Records1 records   63ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.12.90,172.67.194.3 ech=AEX+DQBBawAgACBOd5+EiGQ8jwtCjY1XmNDQobUxr7vul130WB7k+wa5dwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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)
🔐 DNSSEC62ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2411850395
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
49ms
A
43ms
MX
54ms
AAAA
73ms
TXT
289ms
CAA
66ms
HTTPS
63ms
TLSA
73ms
SOA
0ms
MTA-STS
72ms
DNSSEC
62ms
SRV
104ms
Total
1034ms
🕐 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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