rtb.us - robtex.com
rtb.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 74.114.205.178🇺🇸 VIVIO74.114.204.0/22 Spectrum Networks proxy registration | ||||||
| PTR | youngberry.viviotech.us | ||||||
| NS | ns20.viviotech.net ⭐ | ||||||
| A | 192.231.249.50🇺🇸 VIVIO192.231.249.0/24 Spectrum Proxy Resgistration | ||||||
| PTR | ns20.viviotech.net | ||||||
| NS | ns21.viviotech.net | ||||||
| A | 199.115.221.182🇺🇸 VIVIO199.115.216.0/21 Spectrum Networks Proxy Registration | ||||||
| PTR | ns21.viviotech.net | ||||||
| NS | ns22.viviotech.net | ||||||
| A | 204.48.54.174🇺🇸 VIVIO204.48.54.0/23 Spectrum Networks proxy registration | ||||||
| PTR | ns22.viviotech.net | ||||||
| MX | rtb.us ⭐ | ||||||
| A | 74.114.205.178🇺🇸 VIVIO74.114.204.0/22 Spectrum Networks proxy registration | ||||||
| PTR | youngberry.viviotech.us | ||||||
| TXT | v=spf1 ip4:74.114.205.178 ip4:199.115.222.98 +a +mx ~all | ||||||
| SOA | ns20.viviotech.netdevops@viviotech.net 2026-03-23 #1 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1775929857 | ||||||
MX for
rtb.us |
Subdomains
www.rtb.us |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSns20.viviotech.net2026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 01:28:02
● 2026-04-11 18:16:00
●NSns21.viviotech.net2026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 01:28:02
● 2026-04-11 18:16:00
●NSns22.viviotech.net2026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 01:28:02
● 2026-04-11 18:16:00
○NSns23.domaincontrol.com2015-08-03 → 2021-11-02 · 4 obs
● 2021-11-02 03:01:32
○ 2026-03-03 01:28:02
○ 2026-04-11 18:16:00
○NSns24.domaincontrol.com2015-08-03 → 2021-11-02 · 4 obs
● 2021-11-02 03:01:32
○ 2026-03-03 01:28:02
○ 2026-04-11 18:16:00
○MXmailstore1.secureserver.net2015-08-03 → 2021-11-02 · 4 obs
● 2021-11-02 03:01:32
○ 2026-03-03 01:28:02
○ 2026-04-11 18:16:00
●MXrtb.us2026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 01:28:02
● 2026-04-11 18:16:00
○MXsmtp.secureserver.net2015-08-03 → 2021-11-02 · 4 obs
● 2021-11-02 03:01:32
○ 2026-03-03 01:28:02
○ 2026-04-11 18:16:00
○A184.168.221.342015-08-03 → 2017-06-02 · 4 obs
● 2017-06-02 04:40:40
○ 2020-10-12 19:12:38
○ 2026-04-11 18:16:00
○A34.102.136.1802020-10-12 → 2021-11-02 · 5 obs
● 2020-10-12 19:12:38
● 2021-11-02 03:01:32
○ 2026-03-03 01:28:02
○ 2026-04-11 18:16:00
●A74.114.205.1782026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 01:28:02
● 2026-04-11 18:16:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| rtb.us | ns21.viviotech.net, ns22.viviotech.net, ns20.viviotech.net | - |
✅ Authoritative Response
Server:204.48.54.174
NS records: ns21.viviotech.net, ns22.viviotech.net, ns20.viviotech.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtb.us (unsigned zone)
⏱️ Timing
Total: 697ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.114.205.178 |
| NS | 3 | ns21.viviotech.net, ns22.viviotech.net... |
| MX | 1 | rtb.us (pri: 0) |
| TXT | 1 | v=spf1 ip4:74.114.205.178 ip4:199.115.22 |
| SOA | 1 | ns20.viviotech.net devops.viviotech.net |
Analysis
Hierarchy
The parent of www.rtb.us is rtb.us.
Mail Server Role
rtb.us serves as the mail server for rtb.us.
IP Addresses
rtb.us points to an IP address: 74.114.205.178.
other host names include 888bizwebs.com, silkbamboohealth.com, ebrant.com, icanoe.ca and imotionsystems.com; they share IP numbers with rtb.us.
Name Servers
rtb.us is delegated to three name servers ns20.viviotech.net, ns21.viviotech.net and ns22.viviotech.net.
rtb.us at least partially shares name servers with other domains, for instance mail.shootermcgavin.com, hiswebaddress.com, sdwrites.com, scotschmidt.net and meekshardwoodfloors.com.
These name servers are commonly used with the following: ns1.viviotech.net, ns2.viviotech.net, ns1.webhostconnection.com and ns2.webhostconnection.com.
Host names with one IP:
ns20.viviotech.net points to 192.231.249.50; ns21.viviotech.net points to 199.115.221.182; ns22.viviotech.net points to 204.48.54.174.
Mail Servers
rtb.us is handled by a single mail server.
The host name rtb.us points to IP 74.114.205.178.