| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.90.33 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.193.200 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:c1c8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:5a21 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.90.33,172.67.193.200 ech=AEX+DQBBrwAgACDR/vMXsz3LC1mWcNUmQAipLjdk2gO6OTUZCkbWPXA0YgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c1c8,2606:4700:3032::6815:5a21 |
| TXT Record |
|---|
| protonmail-verification=cda643e6700c2b67674fe3e262bcdc0c7f665cf4 |
| v=spf1 include:_spf.protonmail.ch -all |
| Policy | Record (nicolaieilstrup.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.protonmail.ch -all |
| Policy | Record (_dmarc.nicolaieilstrup.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| 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 | 2412923728 |
| Primary NS (MNAME) | anirban.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-24 01:11:10 | 6738ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-08-01 13:52:28 | 3123ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-27 19:05:08 | 1129ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-26 03:05:30 | 1034ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-25 01:45:46 | 789ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |
| 2026-06-17 13:26:21 | 1079ms | 2 NS 2 A 2 MX | 🔓 Insecure | View |