keep-cool.dk
📜 Historical scan 2026-07-04 16:26:48  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   52ms
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   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.156.101.181 600s — AS39642 Sinal A/S 78.156.96.0/19 🇩🇰 Denmark Hammel
📧 MX Records1 records   85ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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)
🔐 DNSSEC181ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA69ms
FieldValue
Serial2026061101
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
52ms
A
64ms
MX
85ms
AAAA
77ms
TXT
401ms
CAA
66ms
HTTPS
69ms
TLSA
399ms
SOA
69ms
MTA-STS
78ms
DNSSEC
181ms
SRV
168ms
Total
1225ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 11:09:16 788ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 22:13:56 564ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 05:29:05 8752ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 16:26:48 1225ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 05:58:43 613ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-17 13:27:22 3424ms 2 NS 1 A 0 MX 🔒 Secure View
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