kostserver.dk
Last scanned: 2026-09-04 17:03:14  ·  5132ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   28ms
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   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.166.137.168 3600s — AS3292 TDC Holding A/S 80.160.0.0/13 🇩🇰 Denmark Viby
📧 MX Records1 records   536ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.kostserver.dk 87.55.238.78 mail.kostserver.dk AS3292 TDC Holding A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   828ms
TXT Record
v=spf1 mx a:adm.kostserver.dk -all
v8w8h786n6dsm6jw0yfdsfmby2jl4y4s
✉️ SPF
PolicyRecord (kostserver.dk)
-all (hard fail) v=spf1 mx a:adm.kostserver.dk -all
📨 DMARC
PolicyRecord (_dmarc.kostserver.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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
TXT _acme-challenge.kostserver.dk 0h_XEZbrcwqBmSpAAarPcss6deK5Q_MHmMo26zw7IS0
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC76ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA40ms
FieldValue
Serial2026082405
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
28ms
A
38ms
MX
536ms
AAAA
532ms
TXT
828ms
CAA
524ms
HTTPS
52ms
TLSA
53ms
SOA
40ms
MTA-STS
369ms
DNSSEC
76ms
SRV
599ms
Total
5132ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 17:03:14 5132ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-09-01 17:31:19 628ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-25 23:12:26 883ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-24 16:48:07 578ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-22 11:59:09 24566ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 23:19:56 1068ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 20:04:40 488ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 22:29:32 458ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 04:16:59 641ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:47:43 1986ms 2 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone