| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.12.85 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.151.239 | 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:c55 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:97ef | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.12.85,172.67.151.239 ech=AEX+DQBBVQAgACDLv6Stu+u3Tk1WrhI7e9UCcOHrKL2xnqogkT4GxZ9ILgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:c55,2606:4700:3035::ac43:97ef |
| TXT Record |
|---|
| v=spf1 a mx ip4:51.158.156.214 ~all |
| Policy | Record (brickmestre.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:51.158.156.214 ~all |
| Policy | Record (_dmarc.brickmestre.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-TA · SPKI · SHA-256 | E1AE9C3DE848ECE1BA72E0D991AE4D0D… |
| SMTP _25._tcp.spamrelay.zxcs.nl | DANE-TA · SPKI · SHA-256 | 6BD9212CE649C659C9CABC6CB60FCFFA… |
| 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 | 2410973608 |
| Primary NS (MNAME) | dave.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-31 17:50:55 | 1068ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 02:07:12 | 10023ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 07:21:10 | 4346ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 18:50:32 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 20:04:10 | 769ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 16:50:17 | 702ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |