synst.com.cn - robtex.com
synst.com.cn
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=2030685068 | ||||||
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●NSdns7.hichina.com2015-07-05 → 2026-07-14 · 2 obs
● 2026-07-14 09:20:36
●NSdns8.hichina.com2015-07-05 → 2026-07-14 · 2 obs
● 2026-07-14 09:20:36
○MX222.92.27.32015-12-11 → 2017-12-20 · 5 obs
● 2015-12-11 22:20:48
● 2017-12-20 21:08:12
○ 2026-05-21 14:20:44
○ 2026-07-14 09:20:36
○MX222.92.27.32015-07-05 → 2015-07-05 · 3 obs
○ 2015-12-11 22:20:48
○ 2026-07-14 09:20:36
●MXcnc.biz-email.net2026-05-21 → 2026-07-14 · 3 obs
● 2026-05-21 14:20:44
● 2026-07-14 09:20:36
●MXmail.biz-email.net2026-05-21 → 2026-07-14 · 3 obs
● 2026-05-21 14:20:44
● 2026-07-14 09:20:36
●MXsynst-com-cn.corpsmtp.cn2026-05-21 → 2026-07-14 · 3 obs
● 2026-05-21 14:20:44
● 2026-07-14 09:20:36
●MXsynst-com-cn.corpsmtp.net2026-05-21 → 2026-07-14 · 3 obs
● 2026-05-21 14:20:44
● 2026-07-14 09:20:36
●A222.92.27.32015-07-05 → 2026-07-14 · 6 obs
● 2016-04-16 02:45:20
○ 2016-12-23 13:24:12
○ 2017-12-20 21:08:12
● 2026-05-21 14:20:44
● 2026-07-14 09:20:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| synst.com.cn | dns7.hichina.com, dns8.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.113
NS records: dns7.hichina.com, dns8.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for synst.com.cn (unsigned zone)
⏱️ Timing
Total: 1756ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 222.92.27.3 |
| NS | 2 | dns8.hichina.com, dns7.hichina.com |
| MX | 4 | cnc.biz-email.net (pri: 3), mail.biz-email.net (pri: 4)... |
| TXT | 1 | v=spf1 include:_s.corp-email.com -all |
| SOA | 1 | dns7.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
synst.com.cn points to a single IP number: 222.92.27.3.
Name Servers
synst.com.cn is served by two delegated name servers, dns7.hichina.com and dns8.hichina.com.
synst.com.cn shares its name server setup with other domains, including gjbz.cn, liqiong.cn, csei.org.cn and two others.
There is at least partial name server overlap between synst.com.cn and other domains — yingke.tv, incosc.org, ds1024.xyz and two more among them.
These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.
Host names with 9 IP numbers:
dns7.hichina.com carries IP addresses 39.96.153.43, 39.96.153.63 and 47.118.199.203, with 6 other addresses beyond those.
dns8.hichina.com carries IP addresses 39.96.153.44, 39.96.153.54 and 47.118.199.204, with 6 other addresses beyond those.
Mail Servers
Mail for synst.com.cn is handled by four mail servers: synst-com-cn.corpsmtp.cn, cnc.biz-email.net, mail.biz-email.net and synst-com-cn.corpsmtp.net.
synst.com.cn shares mail servers — at least in part — with other domains, including wholesale-adult-toys.net, dttai.com, xintron.cn and two others.
These mail servers are frequently paired with the mail servers cdn.corp-email.cn, cdn.corpemail.net, mdn.corp-email.cn and mdn.corpemail.net.
Host names with 10 IP numbers:
synst-com-cn.corpsmtp.cn carries IP addresses 46.101.220.252, 47.74.38.91 and 47.74.38.124, with 7 other addresses beyond those.
Host names with 6 IP numbers:
synst-com-cn.corpsmtp.net carries IP addresses 8.219.152.31, 8.219.208.100 and 8.219.223.136, with 3 other addresses beyond those.
Host names with three IP numbers:
mail.biz-email.net resolves to three addresses: 222.73.234.229, 222.73.234.234 and 222.73.234.236.
Host names with two IP numbers:
cnc.biz-email.net maps to two IP addresses — 210.51.26.140 and 210.51.26.150.