rtcusa.com - dns.ninja
rtcusa.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.170Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.170Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1794541611 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
5 records (3 active, 2 former)
●NSns.buydomains.com2015-07-10 → 2026-11-13 · 2 obs
● 2026-11-13 04:21:28
●NSthis-domain-for-sale.com2026-08-19 → 2026-11-13 · 3 obs
● 2026-08-19 22:13:30
● 2026-11-13 04:21:28
○A141.8.225.1242015-11-20 → 2016-07-11 · 5 obs
● 2015-11-20 08:56:06
● 2016-07-11 01:51:54
○ 2017-03-30 22:29:36
○ 2026-11-13 04:21:28
●A207.148.248.1432017-03-30 → 2026-11-13 · 5 obs
● 2017-03-30 22:29:36
○ 2026-08-19 22:13:30
● 2026-11-13 04:21:24
● 2026-11-13 04:21:28
○A50.63.202.1042015-07-10 → 2015-07-10 · 3 obs
○ 2015-11-20 08:56:06
○ 2026-11-13 04:21:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net... | - |
| rtcusa.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:162.159.25.170
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 163ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
rtcusa.com points to a single IP number: 207.148.248.143.
Additional host names — agec.net, dsre.org, postmaster.tsos.net and two others — share IP numbers with rtcusa.com.
Name Servers
rtcusa.com uses two name servers for its delegation: this-domain-for-sale.com and ns.buydomains.com.
rtcusa.com shares its name server setup with other domains, including examcompany.com, alzner.com, fmtechnical.com and two others.
There is at least partial name server overlap between rtcusa.com and other domains — jessienet.com, magnificentchocolate.com, cardiocanines.com and two more among them.
These name servers are often used together with the name servers ns2.buydomains.com.
this-domain-for-sale.com resolves to 162.159.25.170; ns.buydomains.com resolves to the same IP address, 162.159.25.170.
Both this-domain-for-sale.com and ns.buydomains.com resolve to 162.159.25.170 IP addresses each.