375kelvin.dk
Last scanned: 2026-08-26 05:07:27  ·  1257ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
NameserverIP addressesPTRASN / ISP
ns1.bytebob.com 79.170.40.2 ns1.mainnameserver.com AS20738 Heart Internet limited
ns2.bytebob.com 79.170.43.3 ns2.mainnameserver.com AS20738 Heart Internet limited
🌍 A Records1 records   96ms
IPTTLPTRASNISP / OrgCIDRCountryCity
79.170.44.86 3600s web86.extendcp.co.uk AS20738 Heart Internet limited 79.170.40.0/21 🇬🇧 United Kingdom Leeds
📧 MX Records1 records   87ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.375kelvin.dk 79.170.44.159 mail159.extendcp.co.uk AS20738 Heart Internet limited
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover79.170.44.86
🔶 Autoconfig79.170.44.86
🔷 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)
🔐 DNSSEC126ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2017111692
Primary NS (MNAME)ns1.bytebob.com
Responsible (RNAME)hostmaster@mainnameserver.com
Refresh10800s
Retry600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
96ms
MX
87ms
AAAA
73ms
TXT
499ms
CAA
89ms
HTTPS
84ms
TLSA
355ms
SOA
0ms
MTA-STS
129ms
DNSSEC
126ms
SRV
171ms
Total
1257ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 05:07:27 1257ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-16 18:17:00 3017ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-29 11:53:52 6374ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 14:23:44 994ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:39:56 872ms 2 NS 1 A 1 MX 🔓 Insecure View
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