duco.us - robtex.com
duco.us
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=1778439365 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSjo.ns.cloudflare.com2026-05-07 → 2026-05-10 · 3 obs
● 2026-05-07 14:03:14
● 2026-05-10 19:27:26
○NSns1.p27.dynect.net2015-06-11 → 2017-09-10 · 4 obs
● 2017-09-10 16:29:28
○ 2026-05-07 14:03:14
○ 2026-05-10 19:27:26
○NSns2.p27.dynect.net2015-06-11 → 2017-09-10 · 4 obs
● 2017-09-10 16:29:28
○ 2026-05-07 14:03:14
○ 2026-05-10 19:27:26
○NSns3.p27.dynect.net2015-06-11 → 2017-09-10 · 4 obs
● 2017-09-10 16:29:28
○ 2026-05-07 14:03:14
○ 2026-05-10 19:27:26
○NSns4.p27.dynect.net2015-06-11 → 2017-09-10 · 4 obs
● 2017-09-10 16:29:28
○ 2026-05-07 14:03:14
○ 2026-05-10 19:27:26
●NSridge.ns.cloudflare.com2026-05-07 → 2026-05-10 · 3 obs
● 2026-05-07 14:03:14
● 2026-05-10 19:27:26
●MXsmtp.techspert-data.com2015-06-11 → 2026-05-10 · 2 obs
● 2026-05-10 19:27:26
●MXsmtp2.techspert-data.com2015-06-11 → 2026-05-10 · 2 obs
● 2026-05-10 19:27:26
●A97.74.144.1162015-06-11 → 2026-05-10 · 2 obs
● 2026-05-10 19:27:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| duco.us | jo.ns.cloudflare.com, ridge.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.172
NS records: jo.ns.cloudflare.com, ridge.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duco.us (unsigned zone)
⏱️ Timing
Total: 367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 97.74.144.116 |
| NS | 2 | jo.ns.cloudflare.com, ridge.ns.cloudflare.com |
| MX | 2 | smtp.techspert-data.com (pri: 10), smtp2.techspert-data.com (pri: 20) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | jo.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
duco.us maps to IP address 97.74.144.116.
Other host names, for example checkoutgraphics.com, neighborhoodministry.org and megafabrics.com share the same IP as duco.us.
Name Servers
Two name servers jo.ns.cloudflare.com and ridge.ns.cloudflare.com are delegated to duco.us.
duco.us uses the same name server configuration as other domains, such as mjelectric.biz, strongholdtowergroup.com, canadianutility.com, mtsquanta.us and mearsbroadband.net.
duco.us at least partially shares name servers with other domains such as migrosshopmall.store, straddie.info, apjp4.lol, jeffreygroup.cloud and yogakai.com.
These name servers are commonly used with mona.ns.cloudflare.com, faye.ns.cloudflare.com, gabe.ns.cloudflare.com and elliot.ns.cloudflare.com.
Host names with six IP numbers: Host name jo.ns.cloudflare.com points to 2606:4700:50::adf5:3aac, 2803:f800:50::6ca2:c0ac, 2a06:98c1:50::ac40:20ac, 108.162.192.172, 172.64.32.172 and 173.245.58.172; host name ridge.ns.cloudflare.com points to 2606:4700:58::a29f:2c8b, 2803:f800:50::6ca2:c38b, 2a06:98c1:50::ac40:238b, 108.162.195.139, 162.159.44.139 and 172.64.35.139.
Mail Servers
Two mail servers handle duco.us: smtp2.techspert-data.com and smtp.techspert-data.com.