expr.us - dns.ninja
expr.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1231.awsdns-25.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5304:cf00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1231.awsdns-25.org | ||||||
| A | 205.251.196.207🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1231.awsdns-25.org | ||||||
| NS | ns-162.awsdns-20.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:a200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-162.awsdns-20.com | ||||||
| A | 205.251.192.162🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-162.awsdns-20.com | ||||||
| NS | ns-1653.awsdns-14.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5306:7500::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1653.awsdns-14.co.uk | ||||||
| A | 205.251.198.117🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1653.awsdns-14.co.uk | ||||||
| NS | ns-815.awsdns-37.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:2f00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-815.awsdns-37.net | ||||||
| A | 205.251.195.47🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-815.awsdns-37.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=1780944182 | ||||||
Same first word
expr.in |
expr.cc |
expr.de |
expr.com |
expr.it |
expr.nl |
expr.fr |
expr.se |
expr.es |
expr.com.br |
expr.co |
expr.net |
expr.org |
expr.io |
expr.tv |
expr.us |
expr.ru |
expr.pl |
expr.me |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1231.awsdns-25.org2026-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 19:39:20
●NSns-162.awsdns-20.com2026-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 19:39:20
●NSns-1653.awsdns-14.co.uk2026-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 19:39:20
●NSns-815.awsdns-37.net2026-03-21 → 2026-06-08 · 2 obs
● 2026-06-08 19:39:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| expr.us | ns-1231.awsdns-25.org, ns-1653.awsdns-14.co.uk, ns-162.awsdns-20.com, ns-815.awsdns-37.net | - |
✅ Authoritative Response
Server:205.251.196.207
NS records: ns-1231.awsdns-25.org, ns-1653.awsdns-14.co.uk, ns-162.awsdns-20.com, ns-815.awsdns-37.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expr.us (unsigned zone)
⏱️ Timing
Total: 907ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
DNS for expr.us is handled by 4 name servers: ns-162.awsdns-20.com, ns-815.awsdns-37.net, ns-1231.awsdns-25.org and ns-1653.awsdns-14.co.uk.
expr.us partially shares its NS delegation with several other domains, including pulsiam.biz, cheerswholesale.com, jbe.jobs.ac.uk and two others.
These name servers regularly co-occur with the name servers ns-243.awsdns-30.com, ns-806.awsdns-36.net and ns-1725.awsdns-23.co.uk.
ns-162.awsdns-20.com, ns-815.awsdns-37.net, ns-1231.awsdns-25.org and ns-1653.awsdns-14.co.uk each carry two IP addresses. ns-162.awsdns-20.com has 205.251.192.162 and 2600:9000:5300:a200::1; ns-815.awsdns-37.net has 205.251.195.47 and 2600:9000:5303:2f00::1; ns-1231.awsdns-25.org has 205.251.196.207 and 2600:9000:5304:cf00::1; ns-1653.awsdns-14.co.uk has 205.251.198.117 and 2600:9000:5306:7500::1.