coltech.dk

Records from scan: 2026-10-01 15:54:25 · 906ms total · last checked 2026-10-17 19:21 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coltech.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 3 September 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.233.5.168 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by coltech-dk.mail.protection.outlook.com. 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#

4 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.233.5.168	3600s	—	AS3308	Norlys Telco A/S	89.233.0.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coltech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca21::8 2a01:111:f403:ca21::a 52.101.103.137 52.101.209.153 52.101.68.39 52.101.73.120	mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 52.98.154.136
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 49ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 108ms

TXT Record
MS=ms70447752
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (coltech.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 2026-10-07 17:40:32

www	89.233.5.168 (AS3308) (address records, no CNAME)
www vs bare domain	Same network coltech.dk: 89.233.5.168 (AS3308) www.coltech.dk: 89.233.5.168 (AS3308)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

108ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026093000
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 16:12:01

Field	Value
Registrar	Simply.com A/S
Registered	2015-09-03
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

42ms

AAAA

41ms

TXT

108ms

CAA

42ms

HTTPS

43ms

TLSA

175ms

SOA

35ms

MTA-STS

50ms

DNSSEC

108ms

SRV

49ms

Total

906ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 15:54:25 shown	906ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-27 15:15:52	672ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-28 07:29:18	1416ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 15:10:07	1228ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:51:32	2638ms	4 NS 1 A 1 MX	🔒 Secure