techcollege.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It 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 | 86400s | — | AS204575 | Techcollege S/i | 185.26.60.0/22 | 🇩🇰 Denmark | Aalborg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=g2qGJ2dKBjMug1J9beubBR97jRVaD2rNJ3WAVBTKxg |
| adobe-idp-site-verification=1cfbff643d13d1818ad12f2b2c482035ca4add9394aed8397ed711f625ccb426 |
| apple-domain-verification=5NNiUhBcoGD1ggGI |
| autodesk-domain-verification=_HMW4a1kxuKocybyTysR |
| google-site-verification=Z_iaB-BEqcT7-Yxm0wqMTwuAhNGlK54Vad24NW7gYOs |
| v=spf1 ip4:185.26.62.93 ip4:185.26.62.5 ip4:195.231.239.247 ip4:195.231.241.19 ip4:195.231.242.132 ip4:195.231.242.133 include:spf.protection.outlook.com include:sendgrid.net include:customers.clickdimensions.com include:spf.topdesk.net include:spf.mailanyone.net ~all |
| vpe=ac7e963 |
| Policy | Record (techcollege.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:185.26.62.93 ip4:185.26.62.5 ip4:195.231.239.247 ip4:195.231.241.19 ip4:195.231.242.132 ip4:195.231.242.133 include:spf.protection.outlook.com include:sendgrid.net include:customers.clickdimensions.com include:spf.topdesk.net include:spf.mailanyone.net ~all |
| Policy | Record (_dmarc.techcollege.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:drift@itcn.dk; |
| www CNAME | techcollege.dk (all on techcollege.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 |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u276253.wl004.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u276253.wl004.sendgrid.net | 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.
DNS lookups: 8/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.techcollege.dk | 785d851f-4a98-436a-a97b-26fc3fa22be9.acme-auth.itcn.dk |
| TXT | 785d851f-4a98-436a-a97b-26fc3fa22be9.acme-auth.itcn.dk | -R6GzGtLzV3U0bGF3bTAViFvVvgfDWfXHpz8NprpTww |
| TXT | 785d851f-4a98-436a-a97b-26fc3fa22be9.acme-auth.itcn.dk | Qd4IpvIej0uP94s7izaQ01ZXjsX6zbClvGK66A9g14Q |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| 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 | 2026100104 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 03:11:18 shown | 649ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-02 03:54:51 | 1172ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 03:45:46 | 930ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-16 05:55:13 | 893ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-19 05:53:12 | 4672ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 02:30:55 | 2411ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-10 21:57:31 | 9633ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 13:30:37 | 1160ms | 3 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 14:43:01 | 1735ms | 3 NS 1 A 4 MX | 🔒 Secure |