rtca.us - dns.ninja
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=1785034689 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
●NSns45.domaincontrol.com2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-26 03:13:18
●NSns46.domaincontrol.com2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-26 03:13:18
○NSns51.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-26 03:13:18
○NSns52.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-26 03:13:18
○MXmx00.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-26 03:13:18
○MXmx01.1and1.com2015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-26 03:13:18
●MXrtca-us.mail.protection.outlook.com2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-26 03:13:18
●A13.248.243.52026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-26 03:13:18
○A15.197.148.332026-03-24 → 2026-07-26 · 2 obs
○ 2026-07-26 03:13:18
○A216.250.126.2112015-07-14 → 2016-12-06 · 4 obs
● 2016-12-06 02:45:18
○ 2020-10-07 15:19:20
○ 2026-07-26 03:13:18
○A3.33.130.1902026-03-24 → 2026-07-26 · 2 obs
○ 2026-07-26 03:13:18
●A76.223.105.2302026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 15:35:32
● 2026-07-26 03:13:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| rtca.us | ns45.domaincontrol.com, ns46.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.70.23
NS records: ns45.domaincontrol.com, ns46.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtca.us (unsigned zone)
⏱️ Timing
Total: 431ms | 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 |
Analysis
IP Addresses
rtca.us resolves to the IP addresses 13.248.243.5 and 76.223.105.230
Two other host names, along with phase1exteriors.com, ezbuilder.net and tedfoldcottagefarm.co.uk, also share IP numbers with rtca.us.
Name Servers
Two name servers handle the delegation for rtca.us: ns45.domaincontrol.com and ns46.domaincontrol.com.
rtca.us shares its NS records with other domains, for example clywedog.com, arringtonjohnson.com, alphaauction.com and two others.
rtca.us is at least partially co-delegated on name servers with other domains, such as highlycompliant.com.
ns45.domaincontrol.com and ns46.domaincontrol.com both carry two IP addresses. The A records for ns45.domaincontrol.com are 97.74.102.23 and 2603:5:2162::17; the A records for ns46.domaincontrol.com are 173.201.70.23 and 2603:5:2262::17.
Mail Servers
The sole mail server for rtca.us is rtca-us.mail.protection.outlook.com.
With 8 IP addresses total, rtca-us.mail.protection.outlook.com resolves to 52.101.8.50, 52.101.8.52, 52.101.9.19 and 5 others.