| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.30.176 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.173.124 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.itmaster.net | 142.132.131.220 2a01:4f8:272:2809::5 |
mail.itmaster.net mail.itmaster.net |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:1eb0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:ad7c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.30.176,172.67.173.124 ech=AEX+DQBBlwAgACCtFqwRJUzoqdAUv75f2pNyS4oUoT4EB7sVsTUXlEeocQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1eb0,2606:4700:3034::ac43:ad7c |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 5 | 993 | mail.itmaster.net |
| TXT Record |
|---|
| amazonses:7iRlqGTv7u1IauhznE/2dAhwBZX12nKtkrs/2toE2Cc= |
| v=spf1 +a +mx +a:mail.itmaster.net -all |
| Policy | Record (mejlbyvand8530.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +a:mail.itmaster.net -all |
| Policy | Record (_dmarc.mejlbyvand8530.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.mejlbyvand8530.dk | 5tTa9Xr2E-LjUZEf0RJJZ7FH13DO2eFGtTbY_ECIZ0g |
| TXT | _acme-challenge.mejlbyvand8530.dk | j0VXGjxmVrpUiQODVGU9Ye72GgSraP9JOUUroFfguv0 |
| 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 | 2413900083 |
| Primary NS (MNAME) | carter.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-03 21:48:36 | 563ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 09:58:02 | 2880ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 06:16:55 | 1308ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-06 13:38:37 | 1122ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 17:54:50 | 1071ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |