| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.53.175 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.215.212 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 300s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 300s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 300s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.one.com → 46.30.212.104 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:35af | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:d7d4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.53.175,172.67.215.212 ech=AEX+DQBBjwAgACA36Y9BNViXjfY6jXyPkSU7pnrcMGoghJELznaErZlGYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:35af,2606:4700:3034::ac43:d7d4 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (borupbadminton.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.borupbadminton.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | E54A7262DC6E3E0F06227A22B71D01DC… |
| 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 | 2412650400 |
| Primary NS (MNAME) | duke.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-02 15:36:52 | 891ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-20 16:50:08 | 13571ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-07-15 17:20:55 | 1186ms | 2 NS 2 A 4 MX | ❓ Unknown | View |
| 2026-06-26 05:32:29 | 989ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-06-23 11:33:32 | 1903ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-06-16 16:16:18 | 658ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |