koesters.dk

Records from scan: 2026-10-02 04:06:12 · 1389ms total · last checked 2026-10-21 09:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koesters.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 November 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.10.232.34 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by koesters-dk.mail.protection.outlook.com, mail.thornton.dk. The zone is DNSSEC-signed and validates, has no 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 37ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.10.232.34	43200s	212-10-232-34.norlyscustomer.net	AS39642	Sinal A/S	212.10.0.0/16	🇩🇰 Denmark	Odense

📧 MX Records#

2 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	koesters-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::10 2a01:111:f403:ca21::a 2a01:111:f403:ca38::8 52.101.68.12 52.101.68.27 52.101.68.39 52.101.91.162	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
10	43200s	mail.thornton.dk	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	koesters.dk → 212.10.232.34

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 148ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (koesters.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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#

checked 2026-10-12 16:51:24

www CNAME	koesters.dk (all on koesters.dk) → 212.10.232.34 (AS39642)
www vs bare domain	Same network koesters.dk: 212.10.232.34 (AS39642) www.koesters.dk: 212.10.232.34 (AS39642)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.koesters.dk	koesters.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2026100101
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 2026-10-19 17:40:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-11-20
Expires	2026-12-31 (71d)

🔗 Same registrant#

2 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).

Domain	Registrar
eonvind.dk	Punktum dk A/S (direct)
jaama.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

37ms

41ms

AAAA

49ms

TXT

148ms

CAA

38ms

HTTPS

27ms

TLSA

595ms

SOA

27ms

MTA-STS

51ms

DNSSEC

116ms

SRV

64ms

Total

1389ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 04:06:12 shown	1389ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-15 01:49:01	2946ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 00:21:51	1428ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 13:48:15	2366ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 13:16:45	1974ms	2 NS 1 A 2 MX	🔒 Secure