rtbsystem.biz - robtex.com
rtbsystem.biz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c302🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:3c5a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.60.90Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.195.2🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b39🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c139🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2139🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alan.ns.cloudflare.com | ||||||
| A | 108.162.193.57🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alan.ns.cloudflare.com | ||||||
| A | 172.64.33.57🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alan.ns.cloudflare.com | ||||||
| A | 173.245.59.57🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alan.ns.cloudflare.com | ||||||
| NS | vera.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a93🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vera.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c093🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | vera.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2093🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | vera.ns.cloudflare.com | ||||||
| A | 108.162.192.147🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vera.ns.cloudflare.com | ||||||
| A | 172.64.32.147🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vera.ns.cloudflare.com | ||||||
| A | 173.245.58.147🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vera.ns.cloudflare.com | ||||||
| MX | mail.rtbsystem.biz ⭐ | ||||||
| A | 94.23.144.140🇳🇱 OVH94.23.0.0/16 ISP Paris, France | ||||||
| TXT | v=spf1 a mx ip4:5.9.30.10 ip4:5.45.123.117 ip4:144.76.221.199 ip4:188.138.1.5... | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.60.90, 172.67.195.2 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c302, 2606:4700:3037::6815:3c5a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com | ||||||
| SOA | alan.ns.cloudflare.comdns@cloudflare.com serial=2400278372 | ||||||
biz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld.biz ⭐ | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
| SOA | a.gtld.bizadmin@tldns.godaddy serial=1776217247 | ||||||
Subdomains
mail.rtbsystem.biz |
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSalan.ns.cloudflare.com2026-04-05 → 2026-04-15 · 3 obs
● 2026-04-05 04:07:58
● 2026-04-15 01:55:22
○NSpdns05.domaincontrol.com2015-07-13 → 2017-03-27 · 4 obs
● 2017-03-27 19:51:42
○ 2026-04-05 04:07:58
○ 2026-04-15 01:55:22
○NSpdns06.domaincontrol.com2015-07-13 → 2017-03-27 · 4 obs
● 2017-03-27 19:51:42
○ 2026-04-05 04:07:58
○ 2026-04-15 01:55:22
●NSvera.ns.cloudflare.com2026-04-05 → 2026-04-15 · 3 obs
● 2026-04-05 04:07:58
● 2026-04-15 01:55:22
●MXmail.rtbsystem.biz2015-07-13 → 2026-04-15 · 2 obs
● 2026-04-15 01:55:22
●A104.21.60.902026-04-05 → 2026-04-15 · 3 obs
● 2026-04-05 04:07:58
● 2026-04-15 01:55:22
●A172.67.195.22026-04-05 → 2026-04-15 · 3 obs
● 2026-04-05 04:07:58
● 2026-04-15 01:55:22
●A2606:4700:3033::ac43:c3022026-04-05 → 2026-04-15 · 3 obs
● 2026-04-05 04:07:58
● 2026-04-15 01:55:22
●A2606:4700:3037::6815:3c5a2026-04-05 → 2026-04-15 · 3 obs
● 2026-04-05 04:07:58
● 2026-04-15 01:55:22
○A94.23.155.2262015-07-13 → 2017-03-27 · 4 obs
● 2017-03-27 19:51:42
○ 2026-04-05 04:07:58
○ 2026-04-15 01:55:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| biz | b.gtld.biz, x.gtld.biz, y.gtld.biz, a.gtld.biz... | - |
| rtbsystem.biz | alan.ns.cloudflare.com, vera.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.57
NS records: alan.ns.cloudflare.com, vera.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtbsystem.biz (unsigned zone)
⏱️ Timing
Total: 423ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.60.90, 172.67.195.2 |
| AAAA | 2 | 2606:4700:3037::6815:3c5a, 2606:4700:3033::ac43:c302 |
| NS | 2 | alan.ns.cloudflare.com, vera.ns.cloudflare.com |
| MX | 1 | mail.rtbsystem.biz (pri: 0) |
| TXT | 1 | v=spf1 a mx ip4:5.9.30.10 ip4:5.45.123.1 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alan.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
mail.rtbsystem.biz has rtbsystem.biz as its parent.
IP Addresses
rtbsystem.biz maps to four IP numbers: 2606:4700:3033::ac43:c302, 2606:4700:3037::6815:3c5a, 104.21.60.90 and 172.67.195.2.
Other host names, for instance boklordfilm.ru, aa-advance.com, r7z3.com.cdn.cloudflare.net, casinoinsideruk.co.uk and corevia48group.digital share IP numbers with rtbsystem.biz.
Name Servers
Two name servers alan.ns.cloudflare.com and vera.ns.cloudflare.com are delegated to rtbsystem.biz.
rtbsystem.biz uses the same name server configuration as other domains, such as red(0x706f726e).one, latina18.net, booknation.ro, college-(0x706f726e).net and 015fa8dc4cae9c1a049f0ec2dc23d3e54d47c426a3b1cda4d8b53757f8.pages.dev.
rtbsystem.biz at least partially shares name servers with other domains such as wattaserver.com, nousantigaspi.com, kraspros.ru, isochill.com and 777vip2.com.ph.
Host names with six IP numbers: Host name alan.ns.cloudflare.com points to 2606:4700:58::adf5:3b39, 2803:f800:50::6ca2:c139, 2a06:98c1:50::ac40:2139, 108.162.193.57, 172.64.33.57 and 173.245.59.57; host name vera.ns.cloudflare.com points to 2606:4700:50::adf5:3a93, 2803:f800:50::6ca2:c093, 2a06:98c1:50::ac40:2093, 108.162.192.147, 172.64.32.147 and 173.245.58.147.
Mail Servers
rtbsystem.biz is handled by a single mail server, mail.rtbsystem.biz.
mail.rtbsystem.biz points to one IP number: 94.23.144.140.