postmaster.authworkspace.com - robtex.com

postmaster.authworkspace.com

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:177d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d316🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.125Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.22🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.125, 172.67.211.22
IPv6 hints2606:4700:3036::6815:177d, 2606:4700:3037::ac43:d316
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com

authworkspace.com

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:177d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d316🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.125Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.22🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfatima.ns.cloudflare.com ⭐
NSjimmy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.125, 172.67.211.22
IPv6 hints2606:4700:3036::6815:177d, 2606:4700:3037::ac43:d316
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOAfatima.ns.cloudflare.comdns@cloudflare.com serial=2409692117
⚠️ On DNS blocklist: tif

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smartestop.com
spotstream.tv
teamsports.co.nz

DNS History

4 records (4 active, 0 former)

A104.21.23.125172.67.211.222606:4700:3036::6815:177d2606:4700:3037::ac43:d316
●A104.21.23.1252026-07-26 → 2026-08-03 · 2 obs
● 2026-07-26 11:28:34
● 2026-08-03 16:55:56
●A172.67.211.222026-07-26 → 2026-08-03 · 2 obs
● 2026-07-26 11:28:34
● 2026-08-03 16:55:56
●A2606:4700:3036::6815:177d2026-07-26 → 2026-08-03 · 2 obs
● 2026-07-26 11:28:34
● 2026-08-03 16:55:56
●A2606:4700:3037::ac43:d3162026-07-26 → 2026-08-03 · 2 obs
● 2026-07-26 11:28:34
● 2026-08-03 16:55:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
authworkspace.comfatima.ns.cloudflare.com, jimmy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.188

NS records: fatima.ns.cloudflare.com, jimmy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authworkspace.com (unsigned zone)

⏱️ Timing

Total: 145ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.211.22, 104.21.23.125
AAAA22606:4700:3036::6815:177d, 2606:4700:3037::ac43:d316
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

postmaster.authworkspace.com points to the four IP addresses 104.21.23.125, 172.67.211.22, 2606:4700:3036::6815:177d and 2606:4700:3037::ac43:d316.

Additional host names — kubetdangnhap.xyz, webadvantage.net, cm8.org.cdn.cloudflare.net and two others — share IP numbers with postmaster.authworkspace.com.