| 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+DQBBMwAgACDlVQ9YPAQImjMLl+v/nN6jVWh5mY1idybaKWzH74mOOwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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 |
| 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 | 2410875232 |
| Primary NS (MNAME) | arya.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-24 21:27:30 | 1587ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-31 16:59:49 | 1191ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 23:43:44 | 2098ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 19:08:25 | 1027ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 17:44:17 | 2423ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 21:31:43 | 2685ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |