app.us01zoom.com - robtex.com

app.us01zoom.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8a2f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:46b5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.181Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.47🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.181, 172.67.138.47
IPv6 hints2606:4700:3031::ac43:8a2f, 2606:4700:3036::6815:46b5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com

us01zoom.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8a2f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:46b5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.181Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.47🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemerson.ns.cloudflare.com ⭐
NSheidi.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.181, 172.67.138.47
IPv6 hints2606:4700:3031::ac43:8a2f, 2606:4700:3036::6815:46b5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com
SOAemerson.ns.cloudflare.comdns@cloudflare.com serial=2399398397
⚠️ On DNS blocklist: tif
⚠️ On DNS blocklist: tif

Same first word

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app.am.in
app.gov.br
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app.investments
app.google
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app.ac.id
app.training
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app.supply
app.car
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app.s3.us-east-2.amazonaws.com
app.ae
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app.trafficmanager.net
app.de
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app.id

Similar names

ppa.pl
pap.gov.pk
ppa.net
ppa.mobi
pap.rs
pap.sk
pap.org.sg
pap.pl
pap.biz
ppa.be
pap.email
pap.lt
ppa.com.cn
ppa.ph
pap.co.il
pap.com.pl
ppa.vn
pap.sg
ppa.es
ppa.my
ppa.org.tw
ppa.gov.et
pap.us
ppa.fm
ppa.zone
pap.report
pap.com.ar
ppa.de
pap.de
pap.la
ppa.com.au
pap.fi
ppa.fr
pap.dk
pap.edu.pl
pap.tv
pap.asia
ppa.com.pk
ppa.care

DNS History

4 records (4 active, 0 former)

A104.21.70.181172.67.138.472606:4700:3031::ac43:8a2f2606:4700:3036::6815:46b5
●A104.21.70.1812026-04-10 → 2026-04-12 · 2 obs
● 2026-04-10 09:56:56
● 2026-04-12 17:31:36
●A172.67.138.472026-04-10 → 2026-04-12 · 2 obs
● 2026-04-10 09:56:56
● 2026-04-12 17:31:36
●A2606:4700:3031::ac43:8a2f2026-04-10 → 2026-04-12 · 2 obs
● 2026-04-10 09:56:56
● 2026-04-12 17:31:36
●A2606:4700:3036::6815:46b52026-04-10 → 2026-04-12 · 2 obs
● 2026-04-10 09:56:56
● 2026-04-12 17:31:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...-
us01zoom.comheidi.ns.cloudflare.com, emerson.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.236

NS records: heidi.ns.cloudflare.com, emerson.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for us01zoom.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.47, 104.21.70.181
AAAA22606:4700:3031::ac43:8a2f, 2606:4700:3036::6815:46b5
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by app.us01zoom.com: 2606:4700:3031::ac43:8a2f, 2606:4700:3036::6815:46b5, 104.21.70.181 and 172.67.138.47.

other host names including smart3-65hub.pics, es.dawanda.com, 777originals.org, pl.dawanda.com and www.dawanda.com share IP numbers with app.us01zoom.com.