c5experten.dk
Last scanned: 2026-08-27 20:44:14  ·  774ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records
🌍
No A records found
📧 MX Records1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.c5x.dk 188.120.78.171 — 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   196ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (c5experten.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.c5experten.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;
📬 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)
🔐 DNSSEC108ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026032402
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
43ms
MX
39ms
AAAA
78ms
TXT
196ms
CAA
63ms
HTTPS
83ms
TLSA
69ms
SOA
0ms
MTA-STS
84ms
DNSSEC
108ms
SRV
75ms
Total
774ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:44:14 774ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-09 17:50:22 6780ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-30 17:08:17 547ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-30 11:03:46 659ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-26 09:02:11 653ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-20 20:05:30 526ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-16 18:50:13 532ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-16 18:41:00 1258ms 2 NS 0 A 1 MX 🔒 Secure View
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