syntax-tec.com - robtex.com
syntax-tec.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.21.141.130🇨🇳 SHANGHAITELECOM103.21.140.0/23 SHIDC | ||||||
| NS | a.ezdnscenter.com ⭐ | ||||||
| A | 218.98.111.140🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | b.ezdnscenter.com | ||||||
| A | 183.253.57.210🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.58🇨🇳 DONGGUAN-1211.99.99.0/24 | ||||||
| MX | mxw.ismail.cn ⭐ | ||||||
| A | 107.150.117.76🇺🇸 UCLOUD-1107.150.117.0/24 ZL-FRA-IDC-UCLOUD | ||||||
| PTR | ucloud-fra-mx3.263.net | ||||||
| A | 128.1.42.104🇺🇸 TELX-AS21859128.1.42.0/24 ZL-UCLOUD | ||||||
| PTR | ucloud-fra-mx2.263.net | ||||||
| A | 128.14.224.70🇺🇸 UCLOUD-1128.14.224.0/24 ZL-FRA-IDC-UCLOUD | ||||||
| PTR | ucloud-fra-mx1.263.net | ||||||
| MX | mx01.ismail.cn(10) | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1792042887 | ||||||
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=1792798451 | ||||||
Same first word
syntax-tec.com |
Previous names
Next names
DNS History
13 records (5 active, 8 former)
●NSa.ezdnscenter.com2026-10-15 → 2026-10-23 · 3 obs
● 2026-10-15 05:48:36
● 2026-10-23 23:57:40
●NSb.ezdnscenter.com2026-10-15 → 2026-10-23 · 3 obs
● 2026-10-15 05:48:36
● 2026-10-23 23:57:40
○NSns1.ezdnscenter.com2015-11-03 → 2020-02-12 · 4 obs
● 2020-02-12 02:28:54
○ 2026-10-15 05:48:36
○ 2026-10-23 23:57:40
○NSns2.ezdnscenter.com2015-11-03 → 2020-02-12 · 4 obs
● 2020-02-12 02:28:54
○ 2026-10-15 05:48:36
○ 2026-10-23 23:57:40
○NSns3.ezdnscenter.com2015-11-03 → 2020-02-12 · 4 obs
● 2020-02-12 02:28:54
○ 2026-10-15 05:48:36
○ 2026-10-23 23:57:40
○NSns4.ezdnscenter.com2015-11-03 → 2020-02-12 · 4 obs
● 2020-02-12 02:28:54
○ 2026-10-15 05:48:36
○ 2026-10-23 23:57:40
○NSns5.ezdnscenter.com2015-11-03 → 2020-02-12 · 4 obs
● 2020-02-12 02:28:54
○ 2026-10-15 05:48:36
○ 2026-10-23 23:57:40
○NSns6.ezdnscenter.com2015-11-03 → 2020-02-12 · 4 obs
● 2020-02-12 02:28:54
○ 2026-10-15 05:48:36
○ 2026-10-23 23:57:40
●A103.21.141.1302026-10-15 → 2026-10-23 · 3 obs
● 2026-10-15 05:48:36
● 2026-10-23 23:57:40
○A43.230.142.1252020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 02:28:54
○ 2026-10-15 05:48:36
○ 2026-10-23 23:57:40
○A58.64.134.562015-11-03 → 2017-01-12 · 4 obs
● 2017-01-12 18:40:30
○ 2020-02-12 02:28:54
○ 2026-10-23 23:57:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net... | - |
| syntax-tec.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:183.253.57.210
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for syntax-tec.com (unsigned zone)
⏱️ Timing
Total: 963ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.21.141.130 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxw.ismail.cn (pri: 5), mx01.ismail.cn (pri: 10) |
| SOA | 1 | a.ezdnscenter.com dnsadmin.ezdnscenter.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (a.ezdnscenter.com, b.ezdnscenter.com, b.ezdnscenter.com)
Analysis
IP Addresses
syntax-tec.com points to a single IP number: 103.21.141.130.
Additional host names — zzxpm.com, jy-f.com, ccg-china.cn and two others — share IP numbers with syntax-tec.com.
Name Servers
syntax-tec.com uses two name servers for its delegation: a.ezdnscenter.com and b.ezdnscenter.com.
syntax-tec.com shares its name server setup with other domains, including superbpost.com, apsci2027.com, hztyjd.cn and two others.
At least some of syntax-tec.com's name servers are also used by other domains, among them gmpbbs.com.
Host names with two IP numbers:
b.ezdnscenter.com directs traffic to 183.253.57.210 and 211.99.99.58.
Host names pointing to a single IP address:
a.ezdnscenter.com has the IP address 218.98.111.140.
Mail Servers
syntax-tec.com has two mail servers: mx01.ismail.cn and mxw.ismail.cn.
syntax-tec.com shares the same mail server setup as other domains, including hssea.com, shboao.com, szjykj.com and two others.
syntax-tec.com shares mail servers — at least in part — with other domains, including boaigroup.com, wjrcl.com, zaichuang.com and two others.
These mail servers are frequently seen alongside the mail servers mail.51biz.com.
Host names with three IP numbers:
The hostname mxw.ismail.cn directs to 107.150.117.76, 128.1.42.104 and 128.14.224.70.