us - robtex.com
us
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-03 #2 | ||||||
Previously NS for
Subdomains
Similar names
DNS History
11 records (9 active, 2 former)
●NSa.cctld.us2015-09-04 → 2026-07-04 · 7 obs
● 2021-07-18 17:10:42
○ 2021-07-31 18:58:12
● 2022-01-30 20:39:38
○ 2026-06-26 02:04:40
● 2026-06-26 02:47:44
● 2026-07-04 04:01:40
○NSc.cctld.us2015-09-04 → 2021-07-18 · 4 obs
● 2021-07-18 17:10:42
○ 2021-07-31 18:58:12
○ 2026-07-04 04:01:40
○NSe.cctld.us2015-09-04 → 2021-07-18 · 4 obs
● 2021-07-18 17:10:42
○ 2021-07-31 18:58:12
○ 2026-07-04 04:01:40
●NSm.cctld.us2026-02-16 → 2026-07-04 · 3 obs
● 2026-02-16 16:58:06
● 2026-07-04 04:01:40
●NSn.cctld.us2026-02-16 → 2026-07-04 · 3 obs
● 2026-02-16 16:58:06
● 2026-07-04 04:01:40
●NSw.cctld.us2021-07-31 → 2026-07-04 · 3 obs
● 2021-07-31 18:58:12
● 2026-07-04 04:01:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, k.cctld.us, n.cctld.us, f.cctld.us... | - |
✅ Authoritative Response
Server:204.74.105.1
NS records: b.cctld.us, k.cctld.us, n.cctld.us, f.cctld.us, m.cctld.us, y.cctld.us, x.cctld.us, w.cctld.us
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 808ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 8 | w.cctld.us, y.cctld.us... |
| SOA | 1 | a.cctld.us admin.tldns.godaddy |
Analysis
Hierarchy
us is a parent of conju.us, kprice.us, tracker-software.us, blend-pro.us, independencezone.us and hundreds of thousands other host names.
Name Servers
us is delegated to 9 name servers: a.cctld.us, b.cctld.us, f.cctld.us and 6 other.
These name servers are frequently seen alongside k.cctld.us, m.cctld.us, n.cctld.us and 3 other name servers.
Host names pointing to two IP addresses:
b.cctld.us points to 156.154.125.70 and 2001:502:ad09::29.
f.cctld.us points to 209.173.58.70 and 2001:500:3682::11.
k.cctld.us points to 156.154.128.70 and 2001:503:e239::3:1.
m.cctld.us points to 204.74.105.1 and 2610:a1:3180::53.
n.cctld.us points to 204.74.107.1 and 2610:a1:3280::53.
w.cctld.us points to 37.209.192.15 and 2001:dcd:1::15.
x.cctld.us points to 37.209.194.15 and 2001:dcd:2::15.
y.cctld.us points to 37.209.196.15 and 2001:dcd:3::15.
Host names resolving to a single IP address:
a.cctld.us points to 156.154.124.70.