topwelltec.com - robtex.com
topwelltec.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 Proxy-registered route object | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342708 | ||||||
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=1775935282 | ||||||
Subdomains
mail.topwelltec.com |
Same first word
topwelltec.com |
DNS History
14 records (4 active, 10 former)
●NSa.ezdnscenter.com2026-04-11 → 2026-04-11 · 2 obs
● 2026-04-11 19:34:48
●NSb.ezdnscenter.com2026-04-11 → 2026-04-11 · 2 obs
● 2026-04-11 19:34:48
○NSns10.cdncenter.com2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:55:06
○ 2026-04-11 19:34:48
○NSns11.cdncenter.com2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:55:06
○ 2026-04-11 19:34:48
○NSns12.cdncenter.com2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:55:06
○ 2026-04-11 19:34:48
○NSns7.cdncenter.com2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:55:06
○ 2026-04-11 19:34:48
○NSns8.cdncenter.com2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:55:06
○ 2026-04-11 19:34:48
○NSns9.cdncenter.com2015-07-02 → 2017-03-22 · 3 obs
● 2017-03-22 18:55:06
○ 2026-04-11 19:34:48
○MX116.31.224.852015-11-09 → 2016-02-07 · 5 obs
● 2015-11-09 01:16:12
● 2016-02-07 21:10:14
○ 2016-05-01 04:01:04
○ 2026-04-11 19:34:48
○MX116.31.224.852015-07-02 → 2015-07-02 · 3 obs
○ 2015-11-09 01:16:12
○ 2026-04-11 19:34:48
○MXmail.topwelltec.com2015-07-02 → 2016-02-07 · 4 obs
● 2016-02-07 21:10:14
○ 2016-05-01 04:01:04
○ 2026-04-11 19:34:48
●MXmxbiz1.qq.com2016-05-01 → 2026-04-11 · 3 obs
● 2016-05-01 04:01:04
● 2026-04-11 19:34:48
●MXmxbiz2.qq.com2016-05-01 → 2026-04-11 · 3 obs
● 2016-05-01 04:01:04
● 2026-04-11 19:34:48
○A103.251.90.1342015-07-02 → 2015-07-02 · 3 obs
○ 2015-11-09 01:16:12
○ 2026-04-11 19:34:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| topwelltec.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 topwelltec.com (unsigned zone)
⏱️ Timing
Total: 906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| 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
Hierarchy
The parent of mail.topwelltec.com is topwelltec.com.
Name Servers
topwelltec.com is delegated to two name servers: a.ezdnscenter.com and b.ezdnscenter.com.
topwelltec.com shares the same name server setup as lrjyw.com, tjbhkj.cn, ztren.com, cndalang.net and 3elife.net.
Host names with two IP numbers:
b.ezdnscenter.com points to 183.253.57.210 and 211.99.99.58.
Host names with one IP number:
a.ezdnscenter.com points to 218.98.111.140.
Mail Servers
topwelltec.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
The mail server setup for topwelltec.com matches that of other domains, for instance min-chen.com, laenmou.com, baonat.com, fanle.com and doyea.cn.
topwelltec.com shares some mail servers with other domains, for instance 1680.net, buycar.cn and cwtb.cn.