api.passiveapp.com - robtex.com

api.passiveapp.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:423b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9d43🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.59Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.67🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.59, 172.67.157.67
IPv6 hints2606:4700:3031::6815:423b, 2606:4700:3033::ac43:9d43
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=19, name=cloudflare-ech.com

passiveapp.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:423b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9d43🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.59Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.67🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSharley.ns.cloudflare.com ⭐
NSkayleigh.ns.cloudflare.com
MXsmtp.google.com ⭐
TXTbrevo-code:69ca31b90d9a7eab7441c3f974f9867b
TXTgoogle-site-verification=2irVQcGvvVIOcLzc3aoAPZVxdcloRwot5TpE9FSj1yc
TXTgoogle-site-verification=SQQGRfwACjIawJiALLdciK8dVJxWpjoOD3SGfnnGJsk
TXTv=spf1 include:_spf.google.com include:spf.brevo.com mx ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.59, 172.67.157.67
IPv6 hints2606:4700:3031::6815:423b, 2606:4700:3033::ac43:9d43
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=19, name=cloudflare-ech.com
SOAharley.ns.cloudflare.comdns@cloudflare.com serial=2401669625
⚠️ On DNS blocklist: ultimate
⚠️ On DNS blocklist: pro.plus, ultimate
📈 Tranco rank: #374,399

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DNS History

4 records (4 active, 0 former)

A104.21.66.59172.67.157.672606:4700:3031::6815:423b2606:4700:3033::ac43:9d43
●A104.21.66.592026-02-26 → 2026-04-24 · 2 obs
● 2026-02-26 07:37:56
● 2026-04-24 17:54:26
●A172.67.157.672026-02-26 → 2026-04-24 · 2 obs
● 2026-02-26 07:37:56
● 2026-04-24 17:54:26
●A2606:4700:3031::6815:423b2026-02-26 → 2026-04-24 · 2 obs
● 2026-02-26 07:37:56
● 2026-04-24 17:54:26
●A2606:4700:3033::ac43:9d432026-02-26 → 2026-04-24 · 2 obs
● 2026-02-26 07:37:56
● 2026-04-24 17:54:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
passiveapp.comkayleigh.ns.cloudflare.com, harley.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.92

NS records: kayleigh.ns.cloudflare.com, harley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for passiveapp.com (unsigned zone)

⏱️ Timing

Total: 113ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.66.59, 172.67.157.67
AAAA22606:4700:3031::6815:423b, 2606:4700:3033::ac43:9d43
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kayleigh.ns.cloudflare.com, kayleigh.ns.cloudflare.com, kayleigh.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by api.passiveapp.com: 2606:4700:3031::6815:423b, 2606:4700:3033::ac43:9d43, 104.21.66.59 and 172.67.157.67.

other host names including ctoec.org, eibbo.com, stellarfusionlink.click, brentwood.com.br and vibevalley.com share IP numbers with api.passiveapp.com.