cestek-it.dk

Records from scan: 2026-10-03 15:22:27 · 506ms total · last checked 2026-10-17 06:10 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cestek-it.dk is a .dk domain served by 2 nameservers (ns1.wannafind.dk, ns2.wannafind.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.39 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cestekit-dk01e.mail.protection.outlook.com. 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.wannafind.dk	185.25.141.6 2a02:2339:4006:103:1c:3f6d:daba:dee	ns1.wannafind.dk ns1.wannafind.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.wannafind.dk	2a02:2339:1:104::daba:daa 91.197.248.69	ns2.wannafind.dk ns2.wannafind.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.39	600s	linux83.wannafind.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	cestekit-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca21::e 2a01:111:f403:ca48::a 52.101.185.21 52.101.209.31 52.101.68.10 52.101.68.12	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	185.21.40.39

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 47ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 123ms

TXT Record
P-pkhrtADQEc
v=spf1 include:spf.eu.exclaimer.net include:spf.protection.outlook.com include:spf.permido.com ip4:87.104.4.30 -all

✉️ SPF#

Policy	Record (cestek-it.dk)
-all (hard fail)	v=spf1 include:spf.eu.exclaimer.net include:spf.protection.outlook.com include:spf.permido.com ip4:87.104.4.30 -all

📨 DMARC#

Policy	Record (_dmarc.cestek-it.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-07 17:19:57

www	185.21.40.39 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cestek-it.dk: 185.21.40.39 (AS48854) www.cestek-it.dk: 185.21.40.39 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-cestekit-dk01e._domainkey.sysguf.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

62ms

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

🏷️ SOA#

19ms

Field	Value
Serial	2026052801
Primary NS (MNAME)	ns1.wannafind.dk
Responsible (RNAME)	hostmaster@wannafind.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

30ms

42ms

34ms

AAAA

31ms

TXT

123ms

CAA

32ms

HTTPS

31ms

TLSA

186ms

SOA

19ms

MTA-STS

41ms

DNSSEC

62ms

SRV

47ms

Total

506ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 15:22:27 shown	506ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:39:29	2664ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:10:49	2583ms	2 NS 1 A 1 MX	🔒 Secure