kosloff.dk

Records from scan: 2026-09-29 02:59:13  ·  750ms total  ·  last checked 2026-10-19 20:05 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kosloff.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.60.89.57 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.kosloff.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   43ms
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   35ms
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 Records#

1 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s 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 Records#

2 records   161ms
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

🧩 Web & zone#

checked 2026-10-11 13:32:55
www CNAMEkosloff.dk (all on kosloff.dk)
www vs bare domainSame network
kosloff.dk: 87.60.89.57 (AS3292)
www.kosloff.dk: 87.60.89.57 (AS3292)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.kosloff.dk kosloff.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026092801
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-14 07:28:38
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1999-11-20
Expires2026-12-31 (72d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
35ms
MX
42ms
AAAA
41ms
TXT
161ms
CAA
49ms
HTTPS
40ms
TLSA
63ms
SOA
0ms
MTA-STS
55ms
DNSSEC
113ms
SRV
54ms
Total
750ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-29 02:59:13 shown 750ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 02:06:01 627ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 00:06:15 719ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-22 03:47:40 687ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-24 22:28:28 714ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 03:25:11 735ms 2 NS 1 A 1 MX 🔒 Secure
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