mail.usr6.com - robtex.com

mail.usr6.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4155🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:a0a2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.65.85Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.162🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.65.85, 172.67.160.162
IPv62606:4700:3033::6815:4155, 2606:4700:3034::ac43:a0a2

usr6.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4155🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:a0a2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.65.85Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.162🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalfred.ns.cloudflare.com ⭐
NSthea.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.65.85, 172.67.160.162
IPv62606:4700:3033::6815:4155, 2606:4700:3034::ac43:a0a2
SOAalfred.ns.cloudflare.comdns@cloudflare.com serial=2396287113

Previously MX for

usr6.com

Same first word

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.65.85172.67.160.1622606:4700:3033::6815:41552606:4700:3034::ac43:a0a2166.62.101.131
●A104.21.65.852026-02-17 → 2026-03-23 · 3 obs
○ 2017-08-20 16:15:00
● 2026-02-17 06:13:20
● 2026-03-23 19:26:32
○A166.62.101.1312017-08-20 → 2017-08-20 · 3 obs
● 2017-08-20 16:15:00
○ 2026-02-17 06:13:20
○ 2026-03-23 19:26:32
●A172.67.160.1622026-02-17 → 2026-03-23 · 3 obs
○ 2017-08-20 16:15:00
● 2026-02-17 06:13:20
● 2026-03-23 19:26:32
●A2606:4700:3033::6815:41552026-02-17 → 2026-03-23 · 3 obs
○ 2017-08-20 16:15:00
● 2026-02-17 06:13:20
● 2026-03-23 19:26:32
●A2606:4700:3034::ac43:a0a22026-02-17 → 2026-03-23 · 3 obs
○ 2017-08-20 16:15:00
● 2026-02-17 06:13:20
● 2026-03-23 19:26:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
usr6.comthea.ns.cloudflare.com, alfred.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.247

NS records: thea.ns.cloudflare.com, alfred.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usr6.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.160.162, 104.21.65.85
AAAA22606:4700:3034::ac43:a0a2, 2606:4700:3033::6815:4155
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.usr6.com maps to four IP numbers: 2606:4700:3033::6815:4155, 2606:4700:3034::ac43:a0a2, 104.21.65.85 and 172.67.160.162.

Other host names, for instance shop.wkbz.shop, 900oo.com, sazon.ca, chunmiai.cn and 10mads.com share IP numbers with mail.usr6.com.