koldso.dk
Last scanned: 2026-08-28 09:44:39  ·  863ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   49ms
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 Records1 records   72ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.184.166.133 43200s mail.nldtech.com AS204274 AURA Fiber A/S 85.184.128.0/18 🇩🇰 Denmark Brabrand
📧 MX Records1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.koldso.dk 85.184.166.133 mail.nldtech.com AS204274 AURA Fiber A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovermail.nldtech.com → 85.184.166.133
🔶 Autoconfig85.184.166.133
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   221ms
TXT Record
v=spf1 include:nldtech.com -all
✉️ SPF
PolicyRecord (koldso.dk)
-all (hard fail) v=spf1 include:nldtech.com -all
📨 DMARC
PolicyRecord (_dmarc.koldso.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc-feedback@koldso.dk
📬 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)
🔐 DNSSEC134ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026032401
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
49ms
A
72ms
MX
39ms
AAAA
69ms
TXT
221ms
CAA
72ms
HTTPS
65ms
TLSA
108ms
SOA
0ms
MTA-STS
98ms
DNSSEC
134ms
SRV
99ms
Total
863ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 09:44:39 863ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 18:06:57 2191ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 14:27:02 4334ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 00:06:13 1175ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 09:51:03 701ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 17:38:14 446ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 12:12:00 570ms 2 NS 1 A 1 MX 🔓 Insecure View
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