cemtec.dk

📜 Historical scan 2026-09-06 20:00:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cemtec.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 June 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.133 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by cemtec-dk.l-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 39ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.133	3600s	—	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cemtec-dk.l-v1.mx.microsoft	2a01:111:f403:ca04::2 2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca48::8 52.101.181.153 52.101.185.114 52.101.73.22 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

1 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:2d:1e59:7a55:54a	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 172ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.cemtec.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

📬 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 2026-10-09 10:02:07

www	46.30.213.148 2a02:2350:5:10c:a2:182b:6e15:3d9c (AS51468) (address records, no CNAME)
www vs bare domain	Same network cemtec.dk: 46.30.213.148 2a02:2350:5:10c:a2:182b:6e15:3d9c (AS51468) www.cemtec.dk: 46.30.213.148 2a02:2350:5:10c:a2:182b:6e15:3d9c (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

82ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026082405
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 17:56:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-06-20
Expires	2027-06-30 (253d)

🔗 Same registrant#

3 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
dengrønnegenerator.dk	ONE.COM A/S
esaf-aal.dk	ONE.COM A/S
oxygenvalley.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

39ms

25ms

43ms

AAAA

56ms

TXT

172ms

CAA

31ms

HTTPS

55ms

TLSA

4034ms

SOA

0ms

MTA-STS

54ms

DNSSEC

82ms

SRV

65ms

Total

4636ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:02:07	1411ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 16:41:24	425ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 13:39:00	709ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 13:00:33	624ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 22:29:40	663ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 20:00:41 shown	4636ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 02:32:39	1709ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 21:10:00	654ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 23:40:10	2842ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 13:58:15	4660ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:49:43	65535ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:15:10	1846ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:04:10	563ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:01:13	574ms	2 NS 1 A 1 MX	🔒 Secure