| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.19.27 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.184.232 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 300s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 300s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 300s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:b8e8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:131b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.19.27,172.67.184.232 ech=AEX+DQBBMgAgACB2gyxIfgnmTyLKl+z5EdXkR9TwlIiJEVN8uT3zS3XZRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b8e8,2606:4700:3033::6815:131b |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (vissenbjerggymnastik.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| 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 | 2413317535 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 07:17:53 | 978ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-27 23:42:29 | 643ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-14 00:25:11 | 1733ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-02 16:04:18 | 735ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-25 14:54:27 | 965ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-19 07:15:08 | 5169ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-03 11:51:33 | 7111ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-24 12:46:04 | 914ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-18 03:30:46 | 754ms | 2 NS 1 A 4 MX | 🔒 Secure | View |