dns1.isiuser.com - robtex.com

dns1.isiuser.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:bc37🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:40f8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.64.248Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.55🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.64.248, 172.67.188.55
IPv6 hints2606:4700:3032::ac43:bc37, 2606:4700:3035::6815:40f8

isiuser.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:bc37🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:40f8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.64.248Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.55🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbeau.ns.cloudflare.com ⭐
NSerin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.64.248, 172.67.188.55
IPv6 hints2606:4700:3032::ac43:bc37, 2606:4700:3035::6815:40f8
SOAbeau.ns.cloudflare.comdns@cloudflare.com serial=2402180333
WOT: SAFE (60/100)

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DNS History

8 records (4 active, 4 former)

A104.21.64.248172.67.188.552606:4700:3032::ac43:bc372606:4700:3035::6815:40f8188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.64.2482026-02-17 → 2026-04-23 · 3 obs
● 2026-02-17 13:28:06
○ 2026-03-14 00:17:40
● 2026-04-23 23:28:10
●A172.67.188.552026-02-17 → 2026-04-23 · 3 obs
● 2026-02-17 13:28:06
○ 2026-03-14 00:17:40
● 2026-04-23 23:28:10
○A188.114.96.02026-03-14 → 2026-03-14 · 3 obs
○ 2026-02-17 13:28:06
● 2026-03-14 00:17:40
○ 2026-04-23 23:28:10
○A188.114.97.02026-03-14 → 2026-03-14 · 3 obs
○ 2026-02-17 13:28:06
● 2026-03-14 00:17:40
○ 2026-04-23 23:28:10
●A2606:4700:3032::ac43:bc372026-02-17 → 2026-04-23 · 3 obs
● 2026-02-17 13:28:06
○ 2026-03-14 00:17:40
● 2026-04-23 23:28:10
●A2606:4700:3035::6815:40f82026-02-17 → 2026-04-23 · 3 obs
● 2026-02-17 13:28:06
○ 2026-03-14 00:17:40
● 2026-04-23 23:28:10
○A2a06:98c1:3120::2026-03-14 → 2026-03-14 · 3 obs
○ 2026-02-17 13:28:06
● 2026-03-14 00:17:40
○ 2026-04-23 23:28:10
○A2a06:98c1:3121::2026-03-14 → 2026-03-14 · 3 obs
○ 2026-02-17 13:28:06
● 2026-03-14 00:17:40
○ 2026-04-23 23:28:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...-
isiuser.comerin.ns.cloudflare.com, beau.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.73

NS records: erin.ns.cloudflare.com, beau.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isiuser.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.64.248, 172.67.188.55
AAAA22606:4700:3035::6815:40f8, 2606:4700:3032::ac43:bc37
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dns1.isiuser.com resolves to four IPs: 2606:4700:3032::ac43:bc37, 2606:4700:3035::6815:40f8, 104.21.64.248 and 172.67.188.55.

Other host names such as 471av.com, brolekku.com, citibet88b.art, ns1.isiuser.com and jokergaming399.xyz share IP numbers with dns1.isiuser.com.