rtcheck.com - robtex.com
rtcheck.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.6.21.147 | ||||||
| NS | ns-926.awsdns-51.net ⭐ | ||||||
| A | 2600:9000:5303:9e00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-926.awsdns-51.net | ||||||
| A | 205.251.195.158🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ip-205-251-195-158.defastlink.net | ||||||
| NS | ns-1223.awsdns-24.org | ||||||
| A | 2600:9000:5304:c700::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1223.awsdns-24.org | ||||||
| A | 205.251.196.199🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1223.awsdns-24.org | ||||||
| NS | ns-1576.awsdns-05.co.uk | ||||||
| A | 2600:9000:5306:2800::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1576.awsdns-05.co.uk | ||||||
| A | 205.251.198.40🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1576.awsdns-05.co.uk | ||||||
| NS | ns-264.awsdns-33.com | ||||||
| A | 2600:9000:5301:800::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-264.awsdns-33.com | ||||||
| A | 205.251.193.8🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-264.awsdns-33.com | ||||||
| SOA | ns-926.awsdns-51.netawsdns-hostmaster@amazon.com serial=1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=1776257342 | ||||||
Same first word
rtcheck.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1223.awsdns-24.org2015-07-11 → 2026-04-15 · 2 obs
● 2026-04-15 13:08:54
●NSns-1576.awsdns-05.co.uk2015-07-11 → 2026-04-15 · 2 obs
● 2026-04-15 13:08:54
●NSns-264.awsdns-33.com2015-07-11 → 2026-04-15 · 2 obs
● 2026-04-15 13:08:54
●NSns-926.awsdns-51.net2015-07-11 → 2026-04-15 · 2 obs
● 2026-04-15 13:08:54
●A66.6.21.1472015-07-11 → 2026-04-15 · 2 obs
● 2026-04-15 13:08:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net... | - |
| rtcheck.com | ns-264.awsdns-33.com, ns-926.awsdns-51.net, ns-1576.awsdns-05.co.uk, ns-1223.awsdns-24.org | 1 record |
✅ Authoritative Response
Server:205.251.196.199
NS records: ns-264.awsdns-33.com, ns-926.awsdns-51.net, ns-1576.awsdns-05.co.uk, ns-1223.awsdns-24.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcheck.com (unsigned zone)
⏱️ Timing
Total: 572ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.6.21.147 |
| NS | 4 | ns-1223.awsdns-24.org, ns-1576.awsdns-05.co.uk... |
| SOA | 1 | ns-926.awsdns-51.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-264.awsdns-33.com)
Analysis
IP Addresses
rtcheck.com resolves to a single IP: 66.6.21.147.
Name Servers
rtcheck.com is delegated to four name servers: ns-264.awsdns-33.com, ns-926.awsdns-51.net, ns-1223.awsdns-24.org and ns-1576.awsdns-05.co.uk.
rtcheck.com shares some name servers with other domains, for example dalee.com, codedeploy-commands.us-west-1.amazonaws.com, d4pz26d5itt3n.cloudfront.net, heyfamily.dev and vizcom.com.au.
These name servers are often used together with ns-305.awsdns-38.com, ns-900.awsdns-48.net and ns-1434.awsdns-51.org.
Host names with two IP numbers
Two IPs per host:
ns-264.awsdns-33.com points to 2600:9000:5301:800::1 and 205.251.193.8
ns-926.awsdns-51.net points to 2600:9000:5303:9e00::1 and 205.251.195.158
ns-1223.awsdns-24.org points to 2600:9000:5304:c700::1 and 205.251.196.199
ns-1576.awsdns-05.co.uk points to 2600:9000:5306:2800::1 and 205.251.198.40