api.usatobook.it - robtex.com

api.usatobook.it

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:31bf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:94f3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.191Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.148.243🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.191, 172.67.148.243
IPv6 hints2606:4700:3033::6815:31bf, 2606:4700:3033::ac43:94f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com

usatobook.it

DNSSEC🔒 Signed (DS record present)
A2606:4700:3033::6815:31bf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:94f3🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.191Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.148.243🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkay.ns.cloudflare.com ⭐
NSwalt.ns.cloudflare.com
MX_dc-mx.95a34a9d6afd.usatobook.it ⭐
TXTv=spf1 include:_spf.aruba.it ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.191, 172.67.148.243
IPv6 hints2606:4700:3033::6815:31bf, 2606:4700:3033::ac43:94f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOAkay.ns.cloudflare.comdns@cloudflare.com serial=2403977979
⚠️ On DNS blocklist: tif
⚠️ On DNS blocklist: tif

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DNS History

4 records (4 active, 0 former)

A104.21.49.191172.67.148.2432606:4700:3033::6815:31bf2606:4700:3033::ac43:94f3
●A104.21.49.1912026-05-05 → 2026-05-13 · 2 obs
● 2026-05-05 11:54:02
● 2026-05-13 11:24:20
●A172.67.148.2432026-05-05 → 2026-05-13 · 2 obs
● 2026-05-05 11:54:02
● 2026-05-13 11:24:20
●A2606:4700:3033::6815:31bf2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-05 11:54:02
● 2026-05-13 11:24:20
●A2606:4700:3033::ac43:94f32026-05-05 → 2026-05-13 · 2 obs
● 2026-05-05 11:54:02
● 2026-05-13 11:24:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
itr.dns.it, a.dns.it, dns.nic.it, nameserver.cnr.it...-
usatobook.itkay.ns.cloudflare.com, walt.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.148

NS records: kay.ns.cloudflare.com, walt.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1331ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.148.243, 104.21.49.191
AAAA22606:4700:3033::6815:31bf, 2606:4700:3033::ac43:94f3
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

api.usatobook.it refers to four IP numbers: 2606:4700:3033::6815:31bf, 2606:4700:3033::ac43:94f3, 104.21.49.191 and 172.67.148.243.

Other host names, for instance dhlyl.com, fiftiesdinervegas.com, www.rossbar.com, realhituk.com and 11af92a6b557.rentference.com share IP numbers with api.usatobook.it.