| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.90.126 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.156.165 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 100 | 300s | smx.blackhost.dk | 108.61.196.96 | smx.blackhost.dk | AS20473 The Constant Company, LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.90.126 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:9ca5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:5a7e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.90.126,172.67.156.165 ech=AEX+DQBB+wAgACDawzT1rFwf+a3g6CLEIRL5Zd8McnOzZdOmwjdQ4oZjaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9ca5,2606:4700:3037::6815:5a7e |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +include:spf1.mailchannels.net +include:relay.mailchannels.net ~all |
| Policy | Record (djsascha.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +include:spf1.mailchannels.net +include:relay.mailchannels.net ~all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2412882929 |
| Primary NS (MNAME) | kirk.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-22 22:05:00 | 1915ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-11 06:57:47 | 3130ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-08 15:01:18 | 1439ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-29 11:05:06 | 3643ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-15 11:24:05 | 1278ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-06 03:02:22 | 3140ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-02 10:20:08 | 1373ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-24 20:37:47 | 5193ms | 2 NS 2 A 1 MX | ⚠️ Bogus | View |
| 2026-06-22 16:12:01 | 1151ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 03:35:33 | 551ms | 2 NS 2 A 1 MX | 🔒 Secure | View |