optis.us - robtex.com
optis.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=1773555288 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSexpirens3.hichina.com2026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:06:46
● 2026-03-15 22:44:10
●NSexpirens4.hichina.com2026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:06:46
● 2026-03-15 22:44:10
○NSns05.jpmorganchase.com2015-05-16 → 2016-12-01 · 4 obs
● 2016-12-01 03:52:44
○ 2026-02-15 04:06:46
○ 2026-03-15 22:44:10
○NSns06.jpmorganchase.com2015-05-16 → 2016-12-01 · 4 obs
● 2016-12-01 03:52:44
○ 2026-02-15 04:06:46
○ 2026-03-15 22:44:10
○NSns1.jpmorganchase.com2015-05-16 → 2016-12-01 · 4 obs
● 2016-12-01 03:52:44
○ 2026-02-15 04:06:46
○ 2026-03-15 22:44:10
○NSns2.jpmorganchase.com2015-05-16 → 2016-12-01 · 4 obs
● 2016-12-01 03:52:44
○ 2026-02-15 04:06:46
○ 2026-03-15 22:44:10
●NSns7.alidns.com2026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:06:46
● 2026-03-15 22:44:10
●NSns8.alidns.com2026-02-15 → 2026-03-15 · 3 obs
● 2026-02-15 04:06:46
● 2026-03-15 22:44:10
●CNAMEexpired.hichina.com2026-02-15 → 2026-03-15 · 2 obs
● 2026-03-15 22:44:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| optis.us | expirens4.hichina.com, expirens3.hichina.com | - |
✅ Authoritative Response
Server: 47.118.199.194
NS records: expirens4.hichina.com, expirens3.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optis.us (unsigned zone)
⏱️ Timing
Total: 1508ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns8.alidns.com, ns7.alidns.com |
| CNAME | 1 | expired.hichina.com |
| SOA | 1 | ns7.alidns.com hostmaster.hichina.com |
Analysis
IP Addresses
optis.us resolves to three IP numbers: 8.218.208.240, 47.76.127.217 and 47.91.170.222.
Other host names share IP numbers with optis.us; for instance expired.hichina.com.
Name Servers
optis.us has two name servers: ns1.alidns.com and ns2.alidns.com.
optis.us shares the same name server setup as other domains, for example 6a96973351016.beer, fa08ba44910241.beer, 565834e111020.beer, qhouse.cn and dfe085bb410301.beer.
optis.us shares some name servers with other domains, for example gediaojia.com, fibs.cn, ns4.site, rqbn.com and torque.cn.
These name servers are commonly used with the name servers ns7.alidns.com, ns8.alidns.com, dns31.hichina.com, dns32.hichina.com, dns23.hichina.com and dns24.hichina.com.
Host names with nine IP numbers:
ns1.alidns.com points to 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.
ns2.alidns.com points to 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.