| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 216.239.32.21 | 3600s | any-in-2015.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.34.21 | 3600s | any-in-2215.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.36.21 | 3600s | any-in-2415.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.38.21 | 3600s | any-in-2615.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| firebase=gen-lang-client-0397459491 |
| google-site-verification=98m9UHewVaAGZKMqXwCKVOFDjWCZ8fwc8Hh1_Zw9Ods |
| v=spf1 include:_custspf.one.com include:_spf.firebasemail.com ~all |
| Policy | Record (reltech.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com include:_spf.firebasemail.com ~all |
| Policy | Record (_dmarc.reltech.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:no-reply@reltech.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 23:01:34 | 1800ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-08-27 07:09:00 | 847ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-08-02 18:38:00 | 2919ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-07-25 08:48:39 | 1108ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-07-24 08:34:21 | 3183ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-07-03 14:36:01 | 7076ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-06-25 03:02:34 | 892ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-06-24 19:21:45 | 1498ms | 2 NS 4 A 4 MX | 🔒 Secure | View |
| 2026-06-24 11:34:08 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 14:26:15 | 2682ms | 2 NS 4 A 4 MX | 🔒 Secure | View |