www.usepostback.com - robtex.com
www.usepostback.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:2b5f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b199🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.43.95Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.177.153🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.43.95, 172.67.177.153 | ||||||
| IPv6 hints | 2606:4700:3033::6815:2b5f, 2606:4700:3037::ac43:b199 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com | ||||||
usepostback.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:2b5f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b199🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.43.95Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.177.153🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bill.ns.cloudflare.com ⭐ | ||||||
| NS | demi.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.43.95, 172.67.177.153 | ||||||
| IPv6 hints | 2606:4700:3033::6815:2b5f, 2606:4700:3037::ac43:b199 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com | ||||||
| SOA | bill.ns.cloudflare.comdns@cloudflare.com serial=2400877116 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.43.952026-02-28 → 2026-04-27 · 2 obs
● 2026-02-28 09:28:00
● 2026-04-27 04:31:42
● 2026-04-27 04:31:42
●A172.67.177.1532026-02-28 → 2026-04-27 · 2 obs
● 2026-02-28 09:28:00
● 2026-04-27 04:31:42
● 2026-04-27 04:31:42
●A2606:4700:3033::6815:2b5f2026-02-28 → 2026-04-27 · 2 obs
● 2026-02-28 09:28:00
● 2026-04-27 04:31:42
● 2026-04-27 04:31:42
●A2606:4700:3037::ac43:b1992026-02-28 → 2026-04-27 · 2 obs
● 2026-02-28 09:28:00
● 2026-04-27 04:31:42
● 2026-04-27 04:31:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net... | - |
| usepostback.com | demi.ns.cloudflare.com, bill.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.74
NS records: demi.ns.cloudflare.com, bill.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usepostback.com (unsigned zone)
⏱️ Timing
Total: 111ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.177.153, 104.21.43.95 |
| AAAA | 2 | 2606:4700:3037::ac43:b199, 2606:4700:3033::6815:2b5f |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (demi.ns.cloudflare.com, demi.ns.cloudflare.com, demi.ns.cloudflare.com...)
Analysis
IP Addresses
www.usepostback.com points to four IP numbers: 2606:4700:3033::6815:2b5f, 2606:4700:3037::ac43:b199, 104.21.43.95 and 172.67.177.153.
Other host names, for instance mojeblonie.pl, www.backup.sh, mail.ideally.ph, www.indoxx1.com and schoolforteachers.org share IP numbers with www.usepostback.com.