cm.rtbsystem.com - dns.ninja

cm.rtbsystem.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:444a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bfac🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.74Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.172🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.74, 172.67.191.172
IPv6 hints2606:4700:3030::6815:444a, 2606:4700:3035::ac43:bfac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com

rtbsystem.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:444a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bfac🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.74Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.172🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchuck.ns.cloudflare.com ⭐
NSgrace.ns.cloudflare.com
MXsmtp.google.com ⭐
TXTv=spf1 +ip4:163.172.77.20 +ip4:163.172.75.188 +a +mx include:_spf.google.com ...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.74, 172.67.191.172
IPv6 hints2606:4700:3030::6815:444a, 2606:4700:3035::ac43:bfac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOAchuck.ns.cloudflare.comdns@cloudflare.com serial=2410533919
WOT: SAFE (50/100)
⚠️ On DNS blocklist: light, multi, popupads, pro, pro.mini, pro.plus, pro.plus.mini, ultimate, ultimate.mini
WOT: SAFE (37/100)
📈 Tranco rank: #17,627

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DNS History

8 records (4 active, 4 former)

A104.21.68.74172.67.191.1722606:4700:3030::6815:444a2606:4700:3035::ac43:bfac188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.68.742026-08-06 → 2026-08-10 · 3 obs
● 2026-08-06 03:21:40
○ 2026-08-09 03:34:06
● 2026-08-10 21:14:08
●A172.67.191.1722026-08-06 → 2026-08-10 · 3 obs
● 2026-08-06 03:21:40
○ 2026-08-09 03:34:06
● 2026-08-10 21:14:08
○A188.114.96.02026-08-09 → 2026-08-09 · 3 obs
○ 2026-08-06 03:21:40
● 2026-08-09 03:34:06
○ 2026-08-10 21:14:08
○A188.114.97.02026-08-09 → 2026-08-09 · 3 obs
○ 2026-08-06 03:21:40
● 2026-08-09 03:34:06
○ 2026-08-10 21:14:08
●A2606:4700:3030::6815:444a2026-08-06 → 2026-08-10 · 3 obs
● 2026-08-06 03:21:40
○ 2026-08-09 03:34:06
● 2026-08-10 21:14:08
●A2606:4700:3035::ac43:bfac2026-08-06 → 2026-08-10 · 3 obs
● 2026-08-06 03:21:40
○ 2026-08-09 03:34:06
● 2026-08-10 21:14:08
○A2a06:98c1:3120::2026-08-09 → 2026-08-09 · 3 obs
○ 2026-08-06 03:21:40
● 2026-08-09 03:34:06
○ 2026-08-10 21:14:08
○A2a06:98c1:3121::2026-08-09 → 2026-08-09 · 3 obs
○ 2026-08-06 03:21:40
● 2026-08-09 03:34:06
○ 2026-08-10 21:14:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rtbsystem.comchuck.ns.cloudflare.com, grace.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.159

NS records: chuck.ns.cloudflare.com, grace.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtbsystem.com (unsigned zone)

⏱️ Timing

Total: 94ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.68.74, 172.67.191.172
AAAA22606:4700:3035::ac43:bfac, 2606:4700:3030::6815:444a
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cm.rtbsystem.com resolves to four IP addresses: 104.21.68.74, 172.67.191.172, 2606:4700:3030::6815:444a and 2606:4700:3035::ac43:bfac.

mecob.co.uk, qyjky.com, www.(0x6675636b)high.com and two other host names share IP numbers with cm.rtbsystem.com.