it-studio.dk is a .dk domain served by 2 nameservers (arya.ns.cloudflare.com, woz.ns.cloudflare.com). It was registered on 13 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.165 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.it-studio.dk. The zone is not DNSSEC-signed, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.51.165 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.182.251 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.it-studio.dk | 87.104.6.11 | 87.104.6.11.static.fibianet.dk | AS44869 FIBIA P/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:b6fb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:33a5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.51.165,172.67.182.251 ech=AEX+DQBB/gAgACBIVulMEx7OVziL8f6Guob9W5ShrfTsiK0KKx+rZQwZKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b6fb,2606:4700:3033::6815:33a5 |
| TXT Record |
|---|
| <ep xmlns='http://ms.net/1'><out><m> <r>87.104.6.11</r> </m></out></ep> |
| v=spf1 mx ip4:158.255.211.145 ip4:87.104.6.11 -all |
| Policy | Record (it-studio.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:158.255.211.145 ip4:87.104.6.11 -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve it-studio.dk: 104.21.51.165 172.67.182.251 2606:4700:3031::ac43:b6fb 2606:4700:3033::6815:33a5 (AS13335) (all like this)www.it-studio.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2407238269 |
| Primary NS (MNAME) | arya.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2009-04-13 |
| Expires | 2030-04-30 (1287d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 21:53:34 | 794ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 18:36:15 | 1043ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 21:27:30 | 1587ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-31 16:59:49 | 1191ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 23:43:44 | 2098ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 19:08:25 | 1027ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:44:17 shown | 2423ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 21:31:43 | 2685ms | 2 NS 1 A 2 MX | 🔓 Insecure |