centec.com - dns.ninja
centec.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns3.hichina.com ⭐ | ||||||
| A | 2408:4009:501::11🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.63🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.213🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.63🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.123🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns4.hichina.com | ||||||
| A | 2408:4009:501::12🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.124🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mail1.centec.com ⭐ | ||||||
| A | 122.193.33.43🇨🇳 CHINA169-Backbone122.192.0.0/14 CNC Group CHINA169 Jiangsu Province Network | ||||||
| MX | mail.centec.com(15) | ||||||
| A | 58.210.9.219🇨🇳 CHINANET-BACKBONE58.208.0.0/12 Mega-II IDC | ||||||
| PTR | centecnetworks.com | ||||||
| TXT | v=spf1 a mx include:spf.centec.com include:spf.corp-email.com include:spfb.co... | ||||||
| SOA | dns3.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
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=1786688034 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSdns.pair.com2015-08-06 → 2017-08-19 · 4 obs
● 2017-08-19 05:41:46
○ 2026-04-01 21:27:42
○ 2026-08-14 06:18:14
●NSdns3.hichina.com2026-04-01 → 2026-08-14 · 3 obs
● 2026-04-01 21:27:42
● 2026-08-14 06:18:14
●NSdns4.hichina.com2026-04-01 → 2026-08-14 · 3 obs
● 2026-04-01 21:27:42
● 2026-08-14 06:18:14
○NSns7.ns0.com2015-08-06 → 2017-08-19 · 4 obs
● 2017-08-19 05:41:46
○ 2026-04-01 21:27:42
○ 2026-08-14 06:18:14
●MXmail.centec.com2026-04-01 → 2026-08-14 · 3 obs
● 2026-04-01 21:27:42
● 2026-08-14 06:18:14
●MXmail1.centec.com2026-04-01 → 2026-08-14 · 3 obs
● 2026-04-01 21:27:42
● 2026-08-14 06:18:14
○MXmail1.g18.pair.com2015-08-06 → 2016-11-29 · 4 obs
● 2016-11-29 22:40:26
○ 2017-08-19 05:41:46
○ 2026-08-14 06:18:14
○MXmail2.g18.pair.com2017-08-19 → 2017-08-19 · 4 obs
● 2017-08-19 05:41:46
○ 2026-04-01 21:27:42
○ 2026-08-14 06:18:14
○A66.39.130.1412015-08-06 → 2017-08-19 · 4 obs
● 2017-08-19 05:41:46
○ 2026-04-01 21:27:42
○ 2026-08-14 06:18:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| centec.com | dns3.hichina.com, dns4.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.44
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centec.com (unsigned zone)
⏱️ Timing
Total: 589ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns3.hichina.com, dns4.hichina.com |
| MX | 2 | mail1.centec.com (pri: 15), mail.centec.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.centec.com inclu |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)
Analysis
Hierarchy
centec.com serves as the parent of mail.centec.com and mail1.centec.com.
Name Servers
The NS records for centec.com delegate to dns3.hichina.com and dns4.hichina.com.
The name server configuration of centec.com is shared with other domains, for instance genmu.com, fangxiaole.top, tigeryeah.com and two others.
centec.com has at least partial name server overlap with other domains, such as zhenkejy.com, poloverve.site, deerclick.com and two others.
It is common to see these name servers used together with name servers expirens3.hichina.com and expirens4.hichina.com.
Hosts with 9 IP addresses each:
dns3.hichina.com maps to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 additional IP addresses.
dns4.hichina.com maps to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 additional IP addresses.
Mail Servers
centec.com uses two mail servers, mail1.centec.com and mail.centec.com.
mail1.centec.com directs to 122.193.33.43 and mail.centec.com directs to 58.210.9.219; each host name points to exactly one IP number.