| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.86.140 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.220.93 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | spamrelay.zxcs.nl | 185.104.28.12 2a06:2ec0:1::ffec |
spamrelay.zxcs.nl spamrelay.zxcs.nl |
AS206281 Stichting DIGI NL AS206281 Stichting DIGI NL |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:568c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:dc5d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.86.140,172.67.220.93 ech=AEX+DQBBMgAgACB2gyxIfgnmTyLKl+z5EdXkR9TwlIiJEVN8uT3zS3XZRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:568c,2606:4700:3036::ac43:dc5d |
| TXT Record |
|---|
| google-site-verification=2b8o-t1R5XvHM65ubirbGtdoX_Aeh61UjTOFbfZtfwc |
| v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxmchRtIzyIHypSLb9Rq6lcVvUez0Y/3p5JUcULAGBUMnnESqs23un34DrvI8prk/YZS5dXwy90XOnQOPjRHAkjgLSZJRfl51NMDzQOK4O7tk+5FpAS3Wz9apiko6625WHPTURpbI6BlNy83huw0jxwLC8+iJtKDsdVV+eVqAcl5/klLbWdlgcTX8KwK6em0n1R5ZZfRsMB83oHjA8N+9Mzu7hvreZJNXNRkzqSwaef/msklqewBtoN2RoZsbr3as26wJUmXY/VgBFOM8fmXZjOzteYuDejTYaY+71mJVrdc53ix4oSWKv785KM/iLCbJiv2wlRW1WtqwcOCuJpXBCwIDAQAB |
| v=DMARC1; p=none; sp=none; |
| v=spf1 a mx ip4:185.220.172.65 ip6:2a06:2ec0:1:e:0:0:0:164 include:filter-out.zxcs.nl ~all |
| Policy | Record (on-location.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:185.220.172.65 ip6:2a06:2ec0:1:e:0:0:0:164 include:filter-out.zxcs.nl ~all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-TA · SPKI · SHA-256 | 6BD9212CE649C659C9CABC6CB60FCFFA… |
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-TA · SPKI · SHA-256 | E1AE9C3DE848ECE1BA72E0D991AE4D0D… |
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-EE · SPKI · SHA-256 | 6D714328138B75C5845E6E154F40B899… |
| 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 | 2412967961 |
| Primary NS (MNAME) | mike.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 08:00:27 | 776ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-08-24 12:49:57 | 1374ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-26 09:51:22 | 25414ms | 2 NS 2 A 1 MX | ❓ Unknown | View |
| 2026-06-25 16:17:42 | 919ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 08:25:12 | 660ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 01:47:07 | 1850ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 21:24:57 | 1362ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 23:36:32 | 1110ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |