api.us2-webex.com - robtex.com

api.us2-webex.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:3404🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c0c2🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.4Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.194🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.4, 172.67.192.194
IPv6 hints2606:4700:3037::6815:3404, 2606:4700:3037::ac43:c0c2
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=237, name=cloudflare-ech.com

us2-webex.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:3404🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c0c2🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.4Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.194🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShasslo.ns.cloudflare.com ⭐
NSrita.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.4, 172.67.192.194
IPv6 hints2606:4700:3037::6815:3404, 2606:4700:3037::ac43:c0c2
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=237, name=cloudflare-ech.com
SOAhasslo.ns.cloudflare.comdns@cloudflare.com serial=2408727552
⚠️ On DNS blocklist: tif
⚠️ On DNS blocklist: tif

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DNS History

10 records (4 active, 6 former)

A104.21.52.4172.67.192.1942606:4700:3037::6815:34042606:4700:3037::ac43:c0c2188.114.96.0188.114.97.02606:4700:3032::6815:34042606:4700:3032::ac43:c0c22a06:98c1:3120::2a06:98c1:3121::
●A104.21.52.42026-05-09 → 2026-07-19 · 4 obs
● 2026-05-09 18:02:16
○ 2026-05-14 10:48:36
● 2026-05-14 13:09:02
● 2026-07-19 23:15:30
●A172.67.192.1942026-05-09 → 2026-07-19 · 4 obs
● 2026-05-09 18:02:16
○ 2026-05-14 10:48:36
● 2026-05-14 13:09:02
● 2026-07-19 23:15:30
○A188.114.96.02026-05-14 → 2026-05-14 · 4 obs
○ 2026-05-09 18:02:16
● 2026-05-14 10:48:36
○ 2026-05-14 13:09:02
○ 2026-07-19 23:15:30
○A188.114.97.02026-05-14 → 2026-05-14 · 4 obs
○ 2026-05-09 18:02:16
● 2026-05-14 10:48:36
○ 2026-05-14 13:09:02
○ 2026-07-19 23:15:30
○A2606:4700:3032::6815:34042026-05-09 → 2026-06-01 · 6 obs
● 2026-05-09 18:02:16
○ 2026-05-14 10:48:36
● 2026-05-14 13:09:02
● 2026-06-01 09:33:56
○ 2026-07-04 14:38:08
○ 2026-07-19 23:15:30
○A2606:4700:3032::ac43:c0c22026-05-09 → 2026-06-01 · 6 obs
● 2026-05-09 18:02:16
○ 2026-05-14 10:48:36
● 2026-05-14 13:09:02
● 2026-06-01 09:33:56
○ 2026-07-04 14:38:08
○ 2026-07-19 23:15:30
●A2606:4700:3037::6815:34042026-07-04 → 2026-07-19 · 3 obs
○ 2026-06-01 09:33:56
● 2026-07-04 14:38:08
● 2026-07-19 23:15:30
●A2606:4700:3037::ac43:c0c22026-07-04 → 2026-07-19 · 3 obs
○ 2026-06-01 09:33:56
● 2026-07-04 14:38:08
● 2026-07-19 23:15:30
○A2a06:98c1:3120::2026-05-14 → 2026-05-14 · 4 obs
○ 2026-05-09 18:02:16
● 2026-05-14 10:48:36
○ 2026-05-14 13:09:02
○ 2026-07-19 23:15:30
○A2a06:98c1:3121::2026-05-14 → 2026-05-14 · 4 obs
○ 2026-05-09 18:02:16
● 2026-05-14 10:48:36
○ 2026-05-14 13:09:02
○ 2026-07-19 23:15:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
us2-webex.comrita.ns.cloudflare.com, hasslo.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.134

NS records: rita.ns.cloudflare.com, hasslo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for us2-webex.com (unsigned zone)

⏱️ Timing

Total: 156ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.192.194, 104.21.52.4
AAAA22606:4700:3037::6815:3404, 2606:4700:3037::ac43:c0c2
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

api.us2-webex.com directs to four IP numbers, which are 104.21.52.4, 172.67.192.194, 2606:4700:3037::6815:3404 and 2606:4700:3037::ac43:c0c2.

ncoperio.net, padregis.com, wearestalbans.org and two other host names share IP numbers with api.us2-webex.com.