optimization.com.cn - dns.ninja
optimization.com.cn
| CNAME | okgate.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 118.193.34.201🇭🇰 UCLOUD-1118.193.34.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| NS | iris.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a76🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | iris.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c076🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | iris.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2076🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | iris.ns.cloudflare.com | ||||||
| A | 108.162.192.118🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | iris.ns.cloudflare.com | ||||||
| A | 172.64.32.118🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | iris.ns.cloudflare.com | ||||||
| A | 173.245.58.118🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | iris.ns.cloudflare.com | ||||||
| NS | oswald.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| SOA | iris.ns.cloudflare.comdns@cloudflare.com serial=2411244792 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030739411 | ||||||
Same first word
DNS History
14 records (3 active, 11 former)
○NSdns1.iidns.com2015-06-20 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○NSdns2.iidns.com2015-06-20 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○NSdns3.iidns.com2015-06-20 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
●NSdns31.hichina.com2026-03-08 → 2026-08-07 · 3 obs
● 2026-03-08 20:43:48
● 2026-08-07 03:43:02
●NSdns32.hichina.com2026-03-08 → 2026-08-07 · 3 obs
● 2026-03-08 20:43:48
● 2026-08-07 03:43:02
○NSdns4.iidns.com2015-06-20 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○NSdns5.iidns.com2015-06-20 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○NSdns6.iidns.com2015-06-20 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○A107.167.19.752016-04-08 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○A107.167.19.762016-04-08 → 2016-04-08 · 4 obs
● 2016-04-08 16:09:50
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○A198.148.92.872015-06-20 → 2015-06-20 · 3 obs
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
○A198.148.92.882015-06-20 → 2015-06-20 · 3 obs
○ 2026-03-08 20:43:48
○ 2026-08-07 03:43:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| optimization.com.cn | dns31.hichina.com, dns32.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.107
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimization.com.cn (unsigned zone)
⏱️ Timing
Total: 1707ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns32.hichina.com, dns31.hichina.com |
| CNAME | 1 | okgate.com |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
optimization.com.cn points to a single IP number: 118.193.34.201.
Additional host names — www.okgate.com, jd-auto.com, yuanruo.com and two others — share IP numbers with optimization.com.cn.
Name Servers
optimization.com.cn is delegated to two name servers: iris.ns.cloudflare.com and oswald.ns.cloudflare.com.
optimization.com.cn shares its name server setup with other domains, including livex.pro, brixintel.com, jmcc.io and two others.
optimization.com.cn has at least partial name server overlap with other domains, such as porcelana-kristoff.pl, adxcg.net, remedioazitromicina.cfd and two others.
Host names with 6 IP numbers:
iris.ns.cloudflare.com resolves to 108.162.192.118, 172.64.32.118, 173.245.58.118 and 3 other IP addresses.
oswald.ns.cloudflare.com resolves to 108.162.193.218, 172.64.33.218, 173.245.59.218 and 3 other IP addresses.