richchao.com - robtex.com
richchao.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1439.awsdns-51.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:9f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1439.awsdns-51.org | ||||||
| A | 205.251.197.159🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1439.awsdns-51.org | ||||||
| NS | ns-2006.awsdns-58.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:d600::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2006.awsdns-58.co.uk | ||||||
| A | 205.251.199.214🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2006.awsdns-58.co.uk | ||||||
| NS | ns-358.awsdns-44.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:6600::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-358.awsdns-44.com | ||||||
| A | 205.251.193.102🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-358.awsdns-44.com | ||||||
| NS | ns-794.awsdns-35.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:1a00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-794.awsdns-35.net | ||||||
| A | 205.251.195.26🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-794.awsdns-35.net | ||||||
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=1775984962 | ||||||
Same first word
richchao.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns-1439.awsdns-51.org2026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 18:18:50
● 2026-04-12 09:35:04
○NSns-1482.awsdns-57.org2017-04-19 → 2017-04-19 · 3 obs
○ 2026-03-27 18:18:50
○ 2026-04-12 09:35:04
●NSns-2006.awsdns-58.co.uk2026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 18:18:50
● 2026-04-12 09:35:04
○NSns-2038.awsdns-62.co.uk2017-04-19 → 2017-04-19 · 3 obs
○ 2026-03-27 18:18:50
○ 2026-04-12 09:35:04
●NSns-358.awsdns-44.com2026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 18:18:50
● 2026-04-12 09:35:04
○NSns-52.awsdns-06.com2017-04-19 → 2017-04-19 · 3 obs
○ 2026-03-27 18:18:50
○ 2026-04-12 09:35:04
○NSns-581.awsdns-08.net2017-04-19 → 2017-04-19 · 3 obs
○ 2026-03-27 18:18:50
○ 2026-04-12 09:35:04
●NSns-794.awsdns-35.net2026-03-27 → 2026-04-12 · 3 obs
● 2026-03-27 18:18:50
● 2026-04-12 09:35:04
○A34.195.117.2192017-04-19 → 2017-04-19 · 3 obs
○ 2026-03-27 18:18:50
○ 2026-04-12 09:35:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net... | - |
| richchao.com | ns-358.awsdns-44.com, ns-794.awsdns-35.net, ns-2006.awsdns-58.co.uk, ns-1439.awsdns-51.org | 1 record |
✅ Authoritative Response
Server:205.251.197.159
NS records: ns-358.awsdns-44.com, ns-794.awsdns-35.net, ns-2006.awsdns-58.co.uk, ns-1439.awsdns-51.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for richchao.com (unsigned zone)
⏱️ Timing
Total: 202ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-358.awsdns-44.com)
Analysis
Name Servers
richchao.com is delegated to four name servers: ns-358.awsdns-44.com, ns-794.awsdns-35.net, ns-1439.awsdns-51.org and ns-2006.awsdns-58.co.uk.
richchao.com at least partially shares name servers with other domains, for instance codeandtheory.net, thecollctve.com, msnbc.org.cn, renotta.jp and whitefriarshousing.co.uk.
These name servers are commonly used with ns1-24-ap-southeast-3.ec2-rdns.amazonaws.com, ns2-24-ap-southeast-3.ec2-rdns.amazonaws.com, ns3-24-ap-southeast-3.ec2-rdns.amazonaws.com and ns4-24-ap-southeast-3.ec2-rdns.amazonaws.com.
Host names with two IP numbers:
Host name ns-358.awsdns-44.com points to: 2600:9000:5301:6600::1 and 205.251.193.102.
Host name ns-794.awsdns-35.net points to: 2600:9000:5303:1a00::1 and 205.251.195.26.
Host name ns-1439.awsdns-51.org points to: 2600:9000:5305:9f00::1 and 205.251.197.159.
Host name ns-2006.awsdns-58.co.uk points to: 2600:9000:5307:d600::1 and 205.251.199.214.