cold.dk
Last scanned: 2026-08-26 23:07:19  ·  694ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
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   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.232.94.138 43200s — — — — 🇸🇪 Sweden —
📧 MX Records2 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.cold.dk — — —
20 43200s mail-relay.cold.dk — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 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)
🔐 DNSSEC138ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ 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
41ms
A
56ms
MX
52ms
AAAA
54ms
TXT
188ms
CAA
83ms
HTTPS
48ms
TLSA
230ms
SOA
0ms
MTA-STS
83ms
DNSSEC
138ms
SRV
115ms
Total
694ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 23:07:19 694ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-23 00:05:20 4726ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-19 23:00:57 4613ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-02 00:55:26 874ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 21:45:21 1022ms 2 NS 1 A 2 MX 🔒 Secure View
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