optim-tec.com - robtex.com
optim-tec.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774962352 | ||||||
Subdomains
www.optim-tec.com |
Same first word
optim-tec.com |
DNS History
5 records (5 active, 0 former)
●NSdns10.hichina.com2017-05-09 → 2026-03-31 · 2 obs
● 2026-03-31 13:14:40
●NSdns9.hichina.com2017-05-09 → 2026-03-31 · 2 obs
● 2026-03-31 13:14:40
●MXmxn.mxhichina.com2017-05-09 → 2026-03-31 · 2 obs
● 2026-03-31 13:14:40
●MXmxw.mxhichina.com2017-05-09 → 2026-03-31 · 2 obs
● 2026-03-31 13:14:40
●A47.88.4.1632026-03-31 → 2026-03-31 · 2 obs
● 2026-03-31 13:14:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optim-tec.com | dns9.hichina.com, dns10.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.42
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optim-tec.com (unsigned zone)
⏱️ Timing
Total: 530ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.88.4.163 |
| NS | 2 | dns10.hichina.com, dns9.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)
Analysis
Hierarchy
optim-tec.com is parent of www.optim-tec.com.
IP Addresses
optim-tec.com points to a single IP: 47.88.4.163.
Other host names, for instance antai-hk.com, sites.us201.shopali.net, nbalps.com, lqlab-peptides.com and rongwin.net share IP numbers with optim-tec.com.
Name Servers
optim-tec.com's delegation is to two name servers dns10.hichina.com and dns9.hichina.com.
optim-tec.com shares the same name server configuration as other domains, such as apsca.com.cn, bsqgsj.com, filters.mobi, dawuvx.com and chinafpc.com.
optim-tec.com shares name servers with other domains at least partially, for instance (0x666170)lay.com, wooyii.com and yunhou.com.
These name servers are commonly used alongside expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns10.hichina.com points to 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121; dns9.hichina.com points to 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
Mail Servers
Two mail servers mxn.mxhichina.com and mxw.mxhichina.com handle optim-tec.com.
optim-tec.com uses the same mail server setup as other domains such as comus-sensor.com, zjkm.com.cn, myeslink.com, ausfon.com and ceidn.com.
optim-tec.com shares some mail servers with other domains, including rovaraecho.com, shinemejewelry.com, genitec.cn, lineusb.com and graymii.com.
These mail servers are commonly used with mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
Host names with two IPs:
mxn.mxhichina.com points to: 47.246.136.231 and 47.246.137.47.
Host names with one IP:
mxw.mxhichina.com points to: 47.246.99.195.