rtca.us - robtex.com
rtca.us
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=1784823819 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSns45.domaincontrol.com2026-03-24 → 2026-07-23 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-23 17:17:12
●NSns46.domaincontrol.com2026-03-24 → 2026-07-23 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-23 17:17:12
○NSns51.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-23 17:17:12
○NSns52.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-23 17:17:12
○MXmx00.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-23 17:17:12
○MXmx01.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-23 17:17:12
●MXrtca-us.mail.protection.outlook.com2026-03-24 → 2026-07-23 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-23 17:17:12
●A13.248.243.52026-03-24 → 2026-07-23 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-23 17:17:12
○A15.197.148.332026-03-24 → 2026-07-23 · 2 obs
○ 2026-07-23 17:17:12
○A216.250.126.2112015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-23 17:17:12
○A3.33.130.1902026-03-24 → 2026-07-23 · 2 obs
○ 2026-07-23 17:17:12
●A76.223.105.2302026-03-24 → 2026-07-23 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-23 17:17:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | 16 records |
| rtca.us | ns45.domaincontrol.com, ns46.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.102.23
NS records: ns45.domaincontrol.com, ns46.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtca.us (unsigned zone)
⏱️ Timing
Total: 4592ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns45.domaincontrol.com, ns46.domaincontrol.com |
| MX | 1 | rtca-us.mail.protection.outlook.com (pri |
| TXT | 3 | v=spf1 include:spf.protection.outlook.co, openai-domain-verification=dv-dQ4p6xJT2Z... |
| SOA | 1 | ns45.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (b.cctld.us, b.cctld.us, f.cctld.us...)
Analysis
IP Addresses
rtca.us has two IP addresses: 13.248.243.5 and 76.223.105.230
Additional host names — phase1exteriors.com, ezbuilder.net, tedfoldcottagefarm.co.uk and two others — share IP numbers with rtca.us.
Name Servers
DNS delegation for rtca.us points to two name servers: ns45.domaincontrol.com and ns46.domaincontrol.com.
rtca.us shares its name server setup with other domains, including clywedog.com, arringtonjohnson.com, alphaauction.com and two others.
rtca.us has partial name server overlap with other domains, including highlycompliant.com.
ns45.domaincontrol.com directs to 97.74.102.23 and 2603:5:2162::17. ns46.domaincontrol.com directs to 173.201.70.23 and 2603:5:2262::17. Each host name carries two IP addresses.
Mail Servers
rtca.us has one mail server: rtca-us.mail.protection.outlook.com.
rtca-us.mail.protection.outlook.com points to 8 IP numbers: 52.101.8.50, 52.101.8.52, 52.101.9.19 and 5 other.