| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.tutanota.de | 185.205.69.211 185.205.69.213 185.205.69.214 |
mail.w11.tutanota.de mail.w13.tutanota.de mail.w14.tutanota.de |
AS210909 Tutao GmbH AS210909 Tutao GmbH AS210909 Tutao GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| TXT Record |
|---|
| t-verify=b4aabc47ec9d2b63ff71371e3f78c7cc |
| v=spf1 include:spf.tutanota.de include:_custspf.one.com -all |
| Policy | Record (trailerfolket.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de include:_custspf.one.com -all |
| Policy | Record (_dmarc.trailerfolket.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20190723 |
| max_age | 86400s |
| Policy MX | mail.tutanota.de |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.tutanota.de | DANE-EE · Full cert · SHA-256 | D141F8F3A4AAC2E4D2677AAFCC723D8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-02 23:09:47 | 757ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 00:57:13 | 1013ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-06 01:55:11 | 2010ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-24 16:58:46 | 883ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 23:20:42 | 881ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 19:24:13 | 2179ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 15:59:45 | 679ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 20:51:47 | 954ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 17:26:24 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 23:08:45 | 2749ms | 2 NS 1 A 1 MX | 🔒 Secure | View |