qb4.us - robtex.com
qb4.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1320.awsdns-37.org ⭐ | ||||||
| A | 2600:9000:5305:2800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1320.awsdns-37.org | ||||||
| A | 205.251.197.40🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1320.awsdns-37.org | ||||||
| NS | ns-1538.awsdns-00.co.uk | ||||||
| A | 2600:9000:5306:200::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1538.awsdns-00.co.uk | ||||||
| A | 205.251.198.2🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1538.awsdns-00.co.uk | ||||||
| NS | ns-422.awsdns-52.com | ||||||
| A | 2600:9000:5301:a600::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-422.awsdns-52.com | ||||||
| A | 205.251.193.166🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-422.awsdns-52.com | ||||||
| NS | ns-859.awsdns-43.net | ||||||
| A | 2600:9000:5303:5b00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-859.awsdns-43.net | ||||||
| A | 205.251.195.91🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-859.awsdns-43.net | ||||||
| SOA | ns-1320.awsdns-37.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1778281732 | ||||||
Same first word
Similar names
4qb.de |
b4q.cn |
bq4.info |
q4b.de |
4qb.cn |
4bq.us |
q4b.at |
bq4.net |
bq4.me |
4bq.com |
q4b.us |
q4b.info |
b4q.us |
b4q.eu |
bq4.de |
b4q.de |
b4q.com |
bq4.no |
q4b.pl |
4bq.org |
q4b.com |
DNS History
4 records (4 active, 0 former)
●NSns-1320.awsdns-37.org2026-04-09 → 2026-05-08 · 2 obs
● 2026-05-08 23:29:14
●NSns-1538.awsdns-00.co.uk2026-04-09 → 2026-05-08 · 2 obs
● 2026-05-08 23:29:14
●NSns-422.awsdns-52.com2026-04-09 → 2026-05-08 · 2 obs
● 2026-05-08 23:29:14
●NSns-859.awsdns-43.net2026-04-09 → 2026-05-08 · 2 obs
● 2026-05-08 23:29:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | n.cctld.us, w.cctld.us, x.cctld.us, k.cctld.us... | - |
| qb4.us | ns-422.awsdns-52.com, ns-859.awsdns-43.net, ns-1320.awsdns-37.org, ns-1538.awsdns-00.co.uk | - |
✅ Authoritative Response
Server:205.251.197.40
NS records: ns-422.awsdns-52.com, ns-859.awsdns-43.net, ns-1320.awsdns-37.org, ns-1538.awsdns-00.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qb4.us (unsigned zone)
⏱️ Timing
Total: 615ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1320.awsdns-37.org, ns-1538.awsdns-00.co.uk... |
| SOA | 1 | ns-1320.awsdns-37.org awsdns-hostmaster. |
Analysis
Name Servers
qb4.us is delegated to four name servers: ns-422.awsdns-52.com, ns-859.awsdns-43.net, ns-1320.awsdns-37.org and ns-1538.awsdns-00.co.uk.
qb4.us at least partially shares its name servers with other domains, for instance agentplus.ca, ps2savetools.com, d25eitnfei6pch.cloudfront.net, dirttthrive.com and dschimail.com.
These name servers are commonly used with ns-1166.awsdns-17.org, ns-939.awsdns-53.net and ns-496.awsdns-62.com.
Host names with two IPs: ns-422.awsdns-52.com points to 2600:9000:5301:a600::1 and 205.251.193.166; ns-859.awsdns-43.net points to 2600:9000:5303:5b00::1 and 205.251.195.91; ns-1320.awsdns-37.org points to 2600:9000:5305:2800::1 and 205.251.197.40; ns-1538.awsdns-00.co.uk points to 2600:9000:5306:200::1 and 205.251.198.2.