køsters.dk xn--ksters-bya.dk

📜 Historical scan 2026-06-24 03:41:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

køsters.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 August 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.61.221.9 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.thornton.dk. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   35ms
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 Records#

1 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.61.221.9 3600s xd93ddd09.customers.hiper-net.dk AS203953 Hiper A/S 217.61.216.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.thornton.dk — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverxn--ksters-bya.dk → 217.61.221.9
🔶 Autoconfigxn--ksters-bya.dk → 217.61.221.9

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   162ms
TXT Record
v=spf1 a ~all

✉️ SPF#

PolicyRecord (køsters.dk)
~all (soft fail) v=spf1 a ~all

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 17:56:56
www CNAMExn--ksters-bya.dk (all on xn--ksters-bya.dk)
www vs bare domainSame network
køsters.dk: 217.61.221.9 (AS203953)
www.køsters.dk: 217.61.221.9 (AS203953)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.køsters.dk xn--ksters-bya.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

55ms
CheckResult
Validation Status⚠️ Bogus
AD Flag (resolver validates)✗ Not set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxdomain

🏷️ SOA#

46ms
FieldValue
Serial2026040401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-06 14:17:53
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-08-29
Expires2027-08-31 (309d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
32ms
MX
29ms
AAAA
36ms
TXT
162ms
CAA
68ms
HTTPS
35ms
TLSA
107ms
SOA
46ms
MTA-STS
60ms
DNSSEC
55ms
SRV
142ms
Total
710ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 17:56:56 1165ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-08 06:13:16 769ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 22:07:24 419ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 21:59:22 572ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-06 19:33:18 4663ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 16:03:24 770ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-12 11:24:04 5120ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-04 11:13:10 2198ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-24 15:41:17 702ms 2 NS 1 A 1 MX ⚠️ Bogus
2026-06-24 03:41:10 shown 710ms 2 NS 1 A 1 MX ⚠️ Bogus
2026-06-22 23:00:09 609ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 13:22:40 3545ms 2 NS 1 A 1 MX 🔒 Secure
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