| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.52.248 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.206.15 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::6815:34f8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:ce0f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.52.248,172.67.206.15 ech=AEX+DQBBwwAgACD1jDIxGPcMeawKWPxHFkCogkYtT+owpFWGA2KkiY1VTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:34f8,2606:4700:3036::ac43:ce0f |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms61072414 |
| MS=ms97416677 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413419618 |
| Primary NS (MNAME) | justin.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 19:39:41 | 483ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-26 15:13:47 | 717ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-08 07:11:42 | 1452ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-18 11:57:50 | 2792ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-14 17:56:08 | 817ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-30 06:23:12 | 1021ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-27 23:37:44 | 1928ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-22 17:27:49 | 874ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 15:53:53 | 802ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-17 15:31:08 | 699ms | 2 NS 2 A 0 MX | 🔒 Secure | View |