| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.40.135 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.152.3 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.yandex.net | 2a02:6b8::311 77.88.21.249 |
mxfront.stable.qloud-b.yandex.net mxfront.stable.qloud-b.yandex.net |
AS13238 YANDEX LLC AS13238 YANDEX LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.40.135 |
| 🔶 Autoconfig | 172.67.152.3 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:9803 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:2887 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.40.135,172.67.152.3 ech=AEX+DQBBOwAgACD+m/Qfo1jU0aqvMNakkb9kSsvoFMkgD7zHmn/7Mi4mJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9803,2606:4700:3037::6815:2887 |
| TXT Record |
|---|
| v=spf1 ip4:152.115.36.112 +a +mx include:spf.stom.dk include:_spf.yandex.net include:sendgrid.net ~all |
| Policy | Record (steenkofoed.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:152.115.36.112 +a +mx include:spf.stom.dk include:_spf.yandex.net include:sendgrid.net ~all |
| Policy | Record (_dmarc.steenkofoed.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.steenkofoed.dk | CYsB3QgOskYUa-g4JM8AF7uaMiEImNiqVvJF-nE-yYQ |
| TXT | _acme-challenge.steenkofoed.dk | qwX0ftpBYEBSga1U3q_Kx1IOOJJ15gh5p96ctsQRcUM |
| TXT | _acme-challenge.steenkofoed.dk | sfNTMF5odoWltDzIx7szWuhNGoEgu4FHjAusmT6VKBI |
| 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 | 2413328208 |
| Primary NS (MNAME) | barbara.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 21:55:32 | 1116ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 14:28:15 | 998ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-02 14:55:56 | 1097ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 04:19:07 | 1052ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 22:28:23 | 1047ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 15:59:17 | 874ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 13:05:13 | 2197ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |