| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.39.195 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.171.84 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.stackmail.com | 185.151.28.67 | mx.stackmail.com | AS48254 20i Limited |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.39.195 |
| 🔶 Autoconfig | 104.21.39.195 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:27c3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:ab54 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.39.195,172.67.171.84 ech=AEX+DQBBqQAgACAasWlXWOAAVk/XYyiT+rVh09AiOOoAQIqjuBkZNL0OHQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:27c3,2606:4700:3035::ac43:ab54 |
| TXT Record |
|---|
| v=spf1 include:spf.stackmail.com a mx -all |
| Policy | Record (stenbaekhave.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.stackmail.com a mx -all |
| 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 | 2410971746 |
| Primary NS (MNAME) | garrett.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-01 09:54:31 | 759ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-02 14:58:46 | 3210ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-09 05:00:51 | 1266ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-28 18:04:25 | 941ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 21:39:39 | 867ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 04:23:08 | 936ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 02:50:22 | 2835ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |