optn.us - robtex.com
optn.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.158.133.1🇩🇪 Cloudflare185.158.133.0/24 | ||||||
| NS | ns49.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2182::19🇺🇸 GODADDY-DNS2603:5:2180::/44 | ||||||
| PTR | ns49.domaincontrol.com | ||||||
| A | 97.74.104.25🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns49.domaincontrol.com | ||||||
| NS | ns50.domaincontrol.com | ||||||
| A | 2603:5:2282::19🇺🇸 GODADDY-DNS2603:5:2280::/44 | ||||||
| PTR | ns50.domaincontrol.com | ||||||
| A | 173.201.72.25🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns50.domaincontrol.com | ||||||
| SOA | ns49.domaincontrol.comdns@jomax.net 2026-02-23 #4 | ||||||
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=1778539113 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSdns1.namecheaphosting.com2018-07-08 → 2018-07-08 · 3 obs
○ 2026-05-04 03:45:52
○ 2026-05-11 22:56:30
○NSdns2.namecheaphosting.com2018-07-08 → 2018-07-08 · 3 obs
○ 2026-05-04 03:45:52
○ 2026-05-11 22:56:30
●NSns49.domaincontrol.com2026-05-04 → 2026-05-11 · 3 obs
● 2026-05-04 03:45:52
● 2026-05-11 22:56:30
●NSns50.domaincontrol.com2026-05-04 → 2026-05-11 · 3 obs
● 2026-05-04 03:45:52
● 2026-05-11 22:56:30
○MXsmx1.web-hosting.com2018-07-08 → 2018-07-08 · 3 obs
○ 2026-05-04 03:45:52
○ 2026-05-11 22:56:30
○MXsmx2.web-hosting.com2018-07-08 → 2018-07-08 · 3 obs
○ 2026-05-04 03:45:52
○ 2026-05-11 22:56:30
○MXsmx3.web-hosting.com2018-07-08 → 2018-07-08 · 3 obs
○ 2026-05-04 03:45:52
○ 2026-05-11 22:56:30
●A185.158.133.12026-05-04 → 2026-05-11 · 3 obs
● 2026-05-04 03:45:52
● 2026-05-11 22:56:30
○A185.173.32.222018-07-08 → 2018-07-08 · 3 obs
○ 2026-05-04 03:45:52
○ 2026-05-11 22:56:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| optn.us | ns49.domaincontrol.com, ns50.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.72.25
NS records: ns49.domaincontrol.com, ns50.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optn.us (unsigned zone)
⏱️ Timing
Total: 794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.158.133.1 |
| NS | 2 | ns49.domaincontrol.com, ns50.domaincontrol.com |
| SOA | 1 | ns49.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
optn.us maps to IP address 185.158.133.1.
Other host names, for instance rdiio.com, dojob.com, sintarium.ru, maestrohub.com and turbotransfer.net share IP numbers with optn.us.
Name Servers
Two name servers ns49.domaincontrol.com and ns50.domaincontrol.com are delegated to optn.us.
optn.us uses the same name server configuration as other domains, such as honan-shaolin.com, ciotube.com, cappadocia-tour.com, takepolls.com and freeadvicetoday.com.
optn.us shares name servers with other domains at least partially, for instance garooja.com and directionalsigns.net.
Host names with two IPs:
ns49.domaincontrol.com points to 2603:5:2182::19 and 97.74.104.25.
ns50.domaincontrol.com points to 2603:5:2282::19 and 173.201.72.25.