kosloff.dk
Last scanned: 2026-06-24 22:28:28  ·  714ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
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   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.60.89.57 43200s 87-60-89-57-static.dk.customer.tdc.net AS3292 TDC Holding A/S 87.60.0.0/16 🇩🇰 Denmark Vedbæk
📧 MX Records1 records   85ms
PriorityTTLMail ServerIP addressesPTRASN
10 21600s mail.kosloff.dk 87.60.89.57 87-60-89-57-static.dk.customer.tdc.net AS3292 TDC Holding A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverkosloff.dk → 87.60.89.57
🔶 Autoconfigkosloff.dk → 87.60.89.57
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   206ms
TXT Record
forward-email-port=1337
v=spf1 +a +mx +a:WIN-GM8N8KNBOOR.local -all
✉️ SPF
PolicyRecord (kosloff.dk)
-all (hard fail) v=spf1 +a +mx +a:WIN-GM8N8KNBOOR.local -all
📨 DMARC
PolicyRecord (_dmarc.kosloff.dk)
p=none (monitor only) v=DMARC1; p=none
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.kosloff.dk kosloff.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA38ms
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
39ms
A
37ms
MX
85ms
AAAA
37ms
TXT
206ms
CAA
35ms
HTTPS
34ms
TLSA
94ms
SOA
38ms
MTA-STS
102ms
DNSSEC
70ms
SRV
87ms
Total
714ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 22:28:28 714ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:25:11 735ms 2 NS 1 A 1 MX 🔒 Secure View
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