| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.23.52 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.209.53 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.209.53 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:d135 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:1734 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.23.52,172.67.209.53 ech=AEX+DQBBWwAgACDGZDqWHc9J0k+2lwiIrd+KDBUTHGa7TNpHHAQ4KRCzOwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d135,2606:4700:3033::6815:1734 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 50 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spfl include:spf.protection.outlook.com -all |
| 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 | 2409725696 |
| Primary NS (MNAME) | carter.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-18 02:22:14 | 3952ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-12 14:10:34 | 3963ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 15:25:53 | 1549ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 21:05:41 | 1160ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 01:23:32 | 1150ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 05:27:29 | 24443ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 04:14:51 | 978ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |