kosloff.dk

📜 Historical scan 2026-06-18 03:25:11 · ← Latest scan

⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / 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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.60.89.57	—	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 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.kosloff.dk	87.60.89.57	87-60-89-57-static.dk.customer.tdc.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	kosloff.dk → 87.60.89.57
🔶 Autoconfig	kosloff.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 209ms

TXT Record
forward-email-port=1337
v=spf1 +a +mx +a:WIN-GM8N8KNBOOR.local -all

✉️ SPF#

Policy	Record (kosloff.dk)
-all (hard fail)	v=spf1 +a +mx +a:WIN-GM8N8KNBOOR.local -all

📨 DMARC#

Policy	Record (_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#

latest probe, not this scan · checked 2026-10-11 13:32:55

www CNAME	kosloff.dk (all on kosloff.dk) → 87.60.89.57 (AS3292)
www vs bare domain	Same network kosloff.dk: 87.60.89.57 (AS3292) www.kosloff.dk: 87.60.89.57 (AS3292)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

101ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-14 07:28:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-11-20
Expires	2026-12-31 (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#

40ms

36ms

37ms

AAAA

36ms

TXT

209ms

CAA

36ms

HTTPS

27ms

TLSA

97ms

SOA

101ms

MTA-STS

46ms

DNSSEC

80ms

SRV

127ms

Total

735ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 02:59:13	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 shown	735ms	2 NS 1 A 1 MX	🔒 Secure