optimed.cn - robtex.com
optimed.cn
| CNAME | cnob.cn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.ename.net ⚠️ Not in zone NS records | ||||||
| A | 2001:df2:f080:1::8🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 61.158.128.31🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 31.128.158.61.ha.cnc | ||||||
| A | 218.98.111.173🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.ename.net ⚠️ Not in zone NS records | ||||||
| A | 240e:97d:10:1402:0:1:0:1005🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network | ||||||
| A | 1.193.216.198🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 183.253.57.199🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.52🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035149331 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSf1g1ns1.dnspod.net2015-05-25 → 2015-10-15 · 4 obs
● 2015-10-15 18:38:40
○ 2026-07-14 12:35:26
○ 2026-08-06 17:35:50
○NSf1g1ns2.dnspod.net2015-05-25 → 2015-10-15 · 4 obs
● 2015-10-15 18:38:40
○ 2026-07-14 12:35:26
○ 2026-08-06 17:35:50
●NSns1.judns.com2026-07-14 → 2026-08-06 · 3 obs
● 2026-07-14 12:35:26
● 2026-08-06 17:35:50
●NSns1.julydns.com2026-07-14 → 2026-08-06 · 3 obs
● 2026-07-14 12:35:26
● 2026-08-06 17:35:50
●NSns2.judns.com2026-07-14 → 2026-08-06 · 3 obs
● 2026-07-14 12:35:26
● 2026-08-06 17:35:50
●NSns2.julydns.com2026-07-14 → 2026-08-06 · 3 obs
● 2026-07-14 12:35:26
● 2026-08-06 17:35:50
○MXmail.skrimple.com2015-12-13 → 2016-11-03 · 4 obs
● 2016-11-03 11:18:02
○ 2026-07-14 12:35:26
○ 2026-08-06 17:35:50
○A103.51.144.812016-11-03 → 2016-11-03 · 4 obs
● 2016-11-03 11:18:02
○ 2026-07-14 12:35:26
○ 2026-08-06 17:35:50
○A123.254.111.1902015-05-25 → 2015-10-15 · 4 obs
● 2015-10-15 18:38:40
○ 2015-12-13 18:49:52
○ 2026-08-06 17:35:50
○A65.19.157.2342016-04-12 → 2016-04-12 · 4 obs
● 2016-04-12 03:20:46
○ 2016-11-03 11:18:02
○ 2026-08-06 17:35:50
○A65.19.157.2352015-12-13 → 2016-01-20 · 5 obs
● 2015-12-13 18:49:52
● 2016-01-20 01:23:36
○ 2016-04-12 03:20:46
○ 2026-08-06 17:35:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | 11 records |
| optimed.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimed.cn (unsigned zone)
⏱️ Timing
Total: 911ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| CNAME | 1 | cnob.cn |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (a.dns.cn, b.dns.cn, c.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
Name Servers
optimed.cn is served by two delegated name servers, ns1.ename.net and ns2.ename.net.
optimed.cn uses the same name servers as several other domains — among them zhetai.com, yiwangfu.com, 123soft.cn and two more.
Some name servers delegated to optimed.cn are also used by other domains, notably 144w.com and tao9.com.
These name servers frequently co-occur with the name servers ns3.dns.com and ns4.dns.com.
Hosts that point to four IP numbers:
ns2.ename.net resolves to four IP addresses — 1.193.216.198, 183.253.57.199, 211.99.99.52 and 240e:97d:10:1402:0:1:0:1005.
Hostnames that resolve to three IP addresses:
ns1.ename.net resolves to three addresses: 61.158.128.31, 218.98.111.173 and 2001:df2:f080:1::8.