tec.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 24 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.26.62.4 is hosted by Techcollege S/i (AS204575) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.26.62.4 | 3582s | — | AS204575 | Techcollege S/i | 185.26.60.0/22 | 🇩🇰 Denmark | Viby J |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.outlook.com |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=JCSoL08YZmYzzuc4p9QXAB5uYMAnroeukD7RCMiRC7 |
| adobe-idp-site-verification=29e5ff35f380af5323493f7998c775a6483fa9605ef9043cd5a492b226a0c629 |
| apple-domain-verification=Pc6lpw4wjiC6o1II |
| facebook-domain-verification=t1ul5568zzisec9wx15yvrd31a8ryl |
| fVY8eYmsJwEUhTp/Pn0yMqV7uJDsU1Z0yYyUy5mtp6go2c2jAVJkHu0rufYcw+qdsexoyRXAe6sI8OCpOlnafg== |
| google-site-verification=ucIDsAB-_NV_HWi9xCModXFqnPM3TSLjjeWnydjLbIA |
| inst=TEC Teknisk Erhvervsskole Center |
| klaviyo-site-verification=VuJ6w5 |
| MS=ms32900703 |
| TEC Teknisk Erhvervsskole Center |
| uvmid=147401 |
| v=spf1 a:secmail.emini.dk include:spf.defgo.com include:spf.protection.outlook.com include:customers.clickdimensions.com include:spf.mailanyone.net include:spf.curanet.dk ip4:195.231.239.247 ip4:195.231.241.19 ip4:195.231.242.132 ip4:195.231.242.133 ip4:185.26.62.93 ~all |
| vpe=f9dbbb75 |
| Policy | Record (tec.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a:secmail.emini.dk include:spf.defgo.com include:spf.protection.outlook.com include:customers.clickdimensions.com include:spf.mailanyone.net include:spf.curanet.dk ip4:195.231.239.247 ip4:195.231.241.19 ip4:195.231.242.132 ip4:195.231.242.133 ip4:185.26.62.93 ~all |
| Policy | Record (_dmarc.tec.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@tec.dk; |
| www CNAME | tec.dk (all on tec.dk) → 185.26.62.4 (AS204575) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 10/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.tec.dk | deeb4ca4-36f7-43b1-b625-7beac03663fd.acme-auth.itcn.dk |
| TXT | deeb4ca4-36f7-43b1-b625-7beac03663fd.acme-auth.itcn.dk | 8G_b0pLTo6jER4f3ouF-kVU_zecyqYDP1iIbj69ySII |
| TXT | deeb4ca4-36f7-43b1-b625-7beac03663fd.acme-auth.itcn.dk | mRHag1F0Wj0E23mlNP-Lwke7xwF_2SJFlUFsrLuG1AU |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101510 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | IT Center Nord |
| Registered | 1997-02-24 |
| Expires | 2028-03-31 (531d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 13:10:19 shown | 686ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-02 14:12:30 | 700ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 11:22:28 | 3028ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 02:05:27 | 1168ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 04:47:26 | 1173ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 03:13:43 | 8641ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 10:38:02 | 1441ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 17:21:51 | 1420ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 19:19:45 | 2829ms | 2 NS 1 A 4 MX | 🔒 Secure |