server4u.dk
📜 Historical scan 2026-06-25 04:45:06  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   100ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records
🌍
No A records found
📧 MX Records2 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.mmcc.dk 130.185.129.200 mail.mmcc.dk AS31027 GlobalConnect A/S
20 3600s mx2.mmcc.dk 130.185.129.200 mail.mmcc.dk AS31027 GlobalConnect A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   176ms
TXT Record
v=spf1 mx a:mx1.mmcc.dk a:mx2.mmcc.dk -all
✉️ SPF
PolicyRecord (server4u.dk)
-all (hard fail) v=spf1 mx a:mx1.mmcc.dk a:mx2.mmcc.dk -all
📨 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)
🔐 DNSSEC89ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA125ms
FieldValue
Serial2021111701
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
100ms
A
71ms
MX
71ms
AAAA
43ms
TXT
176ms
CAA
42ms
HTTPS
92ms
TLSA
133ms
SOA
125ms
MTA-STS
45ms
DNSSEC
89ms
SRV
138ms
Total
662ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 06:16:48 1587ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-25 04:45:06 662ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-17 23:29:29 555ms 2 NS 0 A 2 MX 🔒 Secure View
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