clbusa.com - robtex.com
clbusa.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1396.awsdns-46.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:7400::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1396.awsdns-46.org | ||||||
| A | 205.251.197.116🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1396.awsdns-46.org | ||||||
| NS | ns-1723.awsdns-23.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5306:bb00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1723.awsdns-23.co.uk | ||||||
| A | 205.251.198.187🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1723.awsdns-23.co.uk | ||||||
| NS | ns-239.awsdns-29.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:ef00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-239.awsdns-29.com | ||||||
| A | 205.251.192.239🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-239.awsdns-29.com | ||||||
| NS | ns-643.awsdns-16.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5302:8300::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-643.awsdns-16.net | ||||||
| A | 205.251.194.131🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-643.awsdns-16.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=1774841732 | ||||||
Same first word
clbusa.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns-1396.awsdns-46.org2026-03-26 → 2026-03-30 · 3 obs
● 2026-03-26 12:17:32
● 2026-03-30 03:41:18
●NSns-1723.awsdns-23.co.uk2026-03-26 → 2026-03-30 · 3 obs
● 2026-03-26 12:17:32
● 2026-03-30 03:41:18
●NSns-239.awsdns-29.com2026-03-26 → 2026-03-30 · 3 obs
● 2026-03-26 12:17:32
● 2026-03-30 03:41:18
●NSns-643.awsdns-16.net2026-03-26 → 2026-03-30 · 3 obs
● 2026-03-26 12:17:32
● 2026-03-30 03:41:18
○NSns55.domaincontrol.com2015-07-04 → 2017-03-24 · 4 obs
● 2017-03-24 06:39:40
○ 2026-03-26 12:17:32
○ 2026-03-30 03:41:18
○NSns56.domaincontrol.com2015-07-04 → 2017-03-24 · 4 obs
● 2017-03-24 06:39:40
○ 2026-03-26 12:17:32
○ 2026-03-30 03:41:18
○MXmailstore1.secureserver.net2015-07-04 → 2017-03-24 · 4 obs
● 2017-03-24 06:39:40
○ 2026-03-26 12:17:32
○ 2026-03-30 03:41:18
○MXsmtp.secureserver.net2015-07-04 → 2017-03-24 · 4 obs
● 2017-03-24 06:39:40
○ 2026-03-26 12:17:32
○ 2026-03-30 03:41:18
○A184.168.221.552015-07-04 → 2017-03-24 · 4 obs
● 2017-03-24 06:39:40
○ 2026-03-26 12:17:32
○ 2026-03-30 03:41:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| clbusa.com | ns-239.awsdns-29.com, ns-643.awsdns-16.net, ns-1723.awsdns-23.co.uk, ns-1396.awsdns-46.org | 1 record |
✅ Authoritative Response
Server:205.251.192.239
NS records: ns-239.awsdns-29.com, ns-643.awsdns-16.net, ns-1723.awsdns-23.co.uk, ns-1396.awsdns-46.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for clbusa.com (unsigned zone)
⏱️ Timing
Total: 206ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-239.awsdns-29.com)
Analysis
Name Servers
clbusa.com is delegated to four name servers: ns-239.awsdns-29.com, ns-643.awsdns-16.net, ns-1396.awsdns-46.org and ns-1723.awsdns-23.co.uk.
clbusa.com at least partially shares name servers with other domains, for instance lmc.cz, d1yqbhi3fbk4b5.cloudfront.net, visvoer.nl, xn--dalafglar-92a.se and studio.discoveryeducation.com.
These name servers are commonly used together with ns-779.awsdns-33.net, ns-1853.awsdns-39.co.uk and ns-1388.awsdns-45.org.
Host names with two IP numbers: ns-239.awsdns-29.com points to 2600:9000:5300:ef00::1 and 205.251.192.239; ns-643.awsdns-16.net points to 2600:9000:5302:8300::1 and 205.251.194.131; ns-1396.awsdns-46.org points to 2600:9000:5305:7400::1 and 205.251.197.116; ns-1723.awsdns-23.co.uk points to 2600:9000:5306:bb00::1 and 205.251.198.187.