cotech.dk

📜 Historical scan 2026-06-19 15:10:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cotech.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.210.177.47 is hosted by CoMaSys ApS (AS51377) in Denmark. Mail is handled by cotech-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 48ms

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

🌍 A Records#

1 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.210.177.47	3600s	mpf2.medieplanfyn.dk	AS51377	CoMaSys ApS	185.210.176.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	cotech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.18 52.101.68.5 52.101.73.153	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 99ms

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

📝 TXT Records#

1 records 162ms

TXT Record
v=spf1 ip4:212.130.97.167 ip4:89.239.202.4 ip4:185.210.177.0/24 include:spf.protection.outlook.com include:itf.dk -all

✉️ SPF#

Policy	Record (cotech.dk)
-all (hard fail)	v=spf1 ip4:212.130.97.167 ip4:89.239.202.4 ip4:185.210.177.0/24 include:spf.protection.outlook.com include:itf.dk -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#

latest probe, not this scan · checked 2026-10-12 23:44:12

www CNAME	cotech.dk (all on cotech.dk) → 185.210.177.47 (AS51377)
www vs bare domain	Same network cotech.dk: 185.210.177.47 (AS51377) www.cotech.dk: 185.210.177.47 (AS51377)
Wildcard	No
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: 9/10 · policy: -all

warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2023082906
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 2026-10-02 17:31:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-05-27
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

97ms

47ms

AAAA

40ms

TXT

162ms

CAA

98ms

HTTPS

29ms

TLSA

162ms

SOA

39ms

MTA-STS

72ms

DNSSEC

71ms

SRV

99ms

Total

637ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:44:12	1414ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 17:16:21	962ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 18:35:58	830ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-19 15:10:47 shown	637ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:36:20	642ms	3 NS 1 A 1 MX	🔒 Secure