contrastech.com - dns.ninja
contrastech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.120.80.249🇭🇰 WEST263GO-HK103.120.80.0/23 West263 International Limited 12/F, San Toi Building, 137-139 Connaught Road Central, Hong Kong, | ||||||
| NS | ns3.cnolnic.com ⭐ | ||||||
| A | 240c:4081:8000:1702::4🇨🇳 Baidu240c:4081::/32 | ||||||
| A | 106.12.205.190🇨🇳 Baidu106.12.192.0/20 AS38365 | ||||||
| A | 182.61.7.241🇨🇳 Baidu182.61.0.0/19 | ||||||
| NS | ns4.cnolnic.com | ||||||
| A | 240c:4082:0:5d80::3🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 106.12.41.178🇨🇳 Baidu106.12.32.0/19 | ||||||
| A | 180.76.132.118🇨🇳 Baidu180.76.128.0/19 | ||||||
| MX | hzmx01.mxmail.netease.com ⭐ | ||||||
| A | 8.209.70.223🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 8.209.88.255🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| A | 8.209.70.223🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 8.209.88.255🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| TXT | v=spf1 include:spf.163.com include:spf.qiye.aliyun.com include:myshopify.com ... | ||||||
| SOA | ns3.cnolnic.comroot@cnolnic.net 2006-11-24 #1 | ||||||
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=1782879631 | ||||||
Same first word
contrastech.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSns3.cnolnic.com2015-08-14 → 2026-07-01 · 2 obs
● 2026-07-01 04:28:16
●NSns4.cnolnic.com2015-08-14 → 2026-07-01 · 2 obs
● 2026-07-01 04:28:16
●MXhzmx01.mxmail.netease.com2015-08-14 → 2026-07-01 · 5 obs
● 2026-04-16 02:23:26
○ 2026-04-18 10:11:16
● 2026-04-20 03:09:32
● 2026-07-01 04:28:16
●MXhzmx02.mxmail.netease.com2015-08-14 → 2026-07-01 · 5 obs
● 2026-04-16 02:23:26
○ 2026-04-18 10:11:16
● 2026-04-20 03:09:32
● 2026-07-01 04:28:16
●A103.120.80.2492026-03-26 → 2026-07-01 · 3 obs
● 2026-03-26 07:24:32
● 2026-07-01 04:28:16
○A119.28.59.512018-01-04 → 2018-01-04 · 4 obs
● 2018-01-04 04:50:38
○ 2026-03-26 07:24:32
○ 2026-07-01 04:28:16
○A123.196.125.682016-04-03 → 2016-04-03 · 4 obs
● 2016-04-03 06:17:46
○ 2017-01-11 03:08:38
○ 2026-07-01 04:28:16
○A123.196.125.922015-12-21 → 2015-12-21 · 4 obs
● 2015-12-21 23:31:58
○ 2016-04-03 06:17:46
○ 2026-07-01 04:28:16
○A218.5.79.452015-08-14 → 2015-08-14 · 3 obs
○ 2015-12-21 23:31:58
○ 2026-07-01 04:28:16
○A42.159.243.882017-01-11 → 2017-01-11 · 4 obs
● 2017-01-11 03:08:38
○ 2026-03-26 07:24:32
○ 2026-07-01 04:28:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net... | - |
| contrastech.com | ns3.cnolnic.com, ns4.cnolnic.com | 6 records |
✅ Authoritative Response
Server:106.12.205.190
NS records: ns3.cnolnic.com, ns4.cnolnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contrastech.com (unsigned zone)
⏱️ Timing
Total: 3537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.120.80.249 |
| NS | 2 | ns3.cnolnic.com, ns4.cnolnic.com |
| MX | 2 | hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com include:spf.q |
| SOA | 1 | ns3.cnolnic.com root.cnolnic.net |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns3.cnolnic.com, ns3.cnolnic.com, ns3.cnolnic.com...)
Analysis
IP Addresses
contrastech.com directs to one IP number, which is 103.120.80.249.
Among the host names that share IP numbers with contrastech.com are sunoble.com, ostertools.com, zkehy.com and two others.
Name Servers
DNS delegation for contrastech.com points to two name servers: ns3.cnolnic.com and ns4.cnolnic.com.
contrastech.com has the same name server delegation as a number of other domains, such as sinoited.com, borain.com, yc-soft.cn and two more.
contrastech.com has name servers in common with a number of other domains — jiusuiban.com, leixinda.com, dgwsj.com and ntbest.cn among them.
These name servers frequently co-occur with the name servers ns1.cnolnic.com and ns2.cnolnic.com.
ns3.cnolnic.com points to 106.12.205.190, 182.61.7.241 and 240c:4081:8000:1702::4. ns4.cnolnic.com points to 106.12.41.178, 180.76.132.118 and 240c:4082:0:5d80::3. Both hosts resolve to three IP numbers.
Mail Servers
The MX records for contrastech.com point to two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
contrastech.com has the same mail server arrangement as a number of other domains, for example qingchengwang.net, guihewenhua.com, backerhome.com and two more.
contrastech.com shares at least some of its mail servers with other domains — for example perdesign.cc, monlite.com, handcnc.com and two more.
hzmx01.mxmail.netease.com resolves to 8.209.70.223 and 8.209.88.255; hzmx02.mxmail.netease.com resolves to the same two IP addresses: 8.209.70.223 and 8.209.88.255.
Host names pointing to 8.209.70.223 IP addresses: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
Host names pointing to 8.209.88.255 IP addresses: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.