karstens.dk
Last scanned: 2026-08-11 15:47:31  ·  2142ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   233ms
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   181ms
IPTTLPTRASNISP / OrgCIDRCountryCity
152.115.56.38 43200s — AS31027 GlobalConnect A/S 152.115.0.0/16 🇩🇰 Denmark —
📧 MX Records1 records   246ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.karstens.dk 5.179.84.190 mail.karstens.dk AS31027 GlobalConnect A/S
🔷 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)
🔐 DNSSEC344ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
233ms
A
181ms
MX
246ms
AAAA
181ms
TXT
393ms
CAA
221ms
HTTPS
259ms
TLSA
364ms
SOA
0ms
MTA-STS
286ms
DNSSEC
344ms
SRV
285ms
Total
2142ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 15:47:31 2142ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 02:11:25 894ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 18:13:12 971ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-10 07:35:37 4724ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 22:54:06 1854ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 13:04:45 890ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 00:00:23 983ms 2 NS 1 A 1 MX 🔒 Secure View
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