q4b.us - robtex.com
q4b.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1330.awsdns-38.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:3200::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1330.awsdns-38.org | ||||||
| A | 205.251.197.50🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1330.awsdns-38.org | ||||||
| NS | ns-1613.awsdns-09.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5306:4d00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1613.awsdns-09.co.uk | ||||||
| A | 205.251.198.77🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1613.awsdns-09.co.uk | ||||||
| NS | ns-261.awsdns-32.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:500::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-261.awsdns-32.com | ||||||
| A | 205.251.193.5🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-261.awsdns-32.com | ||||||
| NS | ns-577.awsdns-08.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5302:4100::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-577.awsdns-08.net | ||||||
| A | 205.251.194.65🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-577.awsdns-08.net | ||||||
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=1778288824 | ||||||
Same first word
Similar names
qb4.us |
b4q.cn |
bq4.info |
4qb.cn |
4bq.us |
bq4.net |
bq4.me |
4bq.com |
b4q.us |
b4q.eu |
qb4.tech |
bq4.de |
b4q.de |
qb4.cn |
b4q.com |
bq4.no |
qb4.info |
4bq.org |
4qb.de |
DNS History
4 records (4 active, 0 former)
●NSns-1330.awsdns-38.org2026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 01:16:24
●NSns-1613.awsdns-09.co.uk2026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 01:16:24
●NSns-261.awsdns-32.com2026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 01:16:24
●NSns-577.awsdns-08.net2026-04-09 → 2026-05-09 · 2 obs
● 2026-05-09 01:16:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| q4b.us | ns-1613.awsdns-09.co.uk, ns-1330.awsdns-38.org, ns-261.awsdns-32.com, ns-577.awsdns-08.net | - |
✅ Authoritative Response
Server:205.251.193.5
NS records: ns-1613.awsdns-09.co.uk, ns-1330.awsdns-38.org, ns-261.awsdns-32.com, ns-577.awsdns-08.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for q4b.us (unsigned zone)
⏱️ Timing
Total: 647ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
q4b.us is delegated to four name servers: ns-261.awsdns-32.com, ns-577.awsdns-08.net, ns-1330.awsdns-38.org and ns-1613.awsdns-09.co.uk.
q4b.us shares name servers with other domains at least partially, for example wongnai.net, brcondos.com, contacts2go.com.au, em.fios.verizon.com and d2x5cesfdcz34h.cloudfront.net.
these name servers are commonly paired with ns-653.awsdns-17.net, ns-1527.awsdns-62.org, ns-1856.awsdns-40.co.uk, a.ns.campaign.adobe.com, b.ns.campaign.adobe.com, c.ns.campaign.adobe.com and d.ns.campaign.adobe.com.
Host names with two IP numbers:
ns-261.awsdns-32.com points to: 2600:9000:5301:500::1 and 205.251.193.5
ns-577.awsdns-08.net points to: 2600:9000:5302:4100::1 and 205.251.194.65
ns-1330.awsdns-38.org points to: 2600:9000:5305:3200::1 and 205.251.197.50
ns-1613.awsdns-09.co.uk points to: 2600:9000:5306:4d00::1 and 205.251.198.77