zsby.com - robtex.com
zsby.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 122.51.33.132🇨🇳 TENCENT-NET-AP122.51.0.0/18 | ||||||
| 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=1751342715 | ||||||
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=1778410131 | ||||||
Subdomains
Same first word
Similar names
DNS History
18 records (5 active, 13 former)
●NSa.ezdnscenter.com2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 19:42:02
● 2026-05-10 11:05:08
●NSb.ezdnscenter.com2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 19:42:02
● 2026-05-10 11:05:08
○NSf1g1ns1.dnspod.net2015-08-06 → 2019-03-17 · 5 obs
● 2015-08-06 09:31:22
● 2019-03-17 18:50:08
○ 2026-04-13 19:42:02
○ 2026-05-10 11:05:08
○NSf1g1ns2.dnspod.net2015-08-06 → 2019-03-17 · 5 obs
● 2015-08-06 09:31:22
● 2019-03-17 18:50:08
○ 2026-04-13 19:42:02
○ 2026-05-10 11:05:08
○NSns1.cnolnic.com2008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-06 09:31:22
○ 2026-05-10 11:05:08
○NSns2.cnolnic.com2008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-06 09:31:22
○ 2026-05-10 11:05:08
○MXmail.zsby.com2008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-06 09:31:22
○ 2026-05-10 11:05:08
●MXmxbiz1.qq.com2015-08-06 → 2026-05-10 · 3 obs
● 2015-08-06 09:31:22
● 2026-05-10 11:05:08
●MXmxbiz2.qq.com2015-08-06 → 2026-05-10 · 3 obs
● 2015-08-06 09:31:22
● 2026-05-10 11:05:08
○A119.28.48.2272016-05-18 → 2016-05-18 · 4 obs
● 2016-05-18 18:55:12
○ 2019-03-17 18:50:08
○ 2026-05-10 11:05:08
○A119.28.48.2282015-08-06 → 2016-04-01 · 6 obs
● 2015-08-06 09:31:22
○ 2015-09-04 16:03:04
● 2016-04-01 16:15:12
○ 2016-05-18 18:55:12
○ 2026-05-10 11:05:08
○A119.28.48.2292015-09-04 → 2015-12-22 · 5 obs
● 2015-09-04 16:03:04
● 2015-12-22 01:07:46
○ 2016-04-01 16:15:12
○ 2026-05-10 11:05:08
●A122.51.33.1322026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 19:42:02
● 2026-05-10 11:05:08
○A49.51.10.1922017-02-14 → 2017-02-14 · 4 obs
● 2017-02-14 00:17:46
○ 2026-04-13 19:42:02
○ 2026-05-10 11:05:08
○A58.211.16.1512008-03-18 → 2008-03-18 · 3 obs
○ 2015-08-06 09:31:22
○ 2026-05-10 11:05:08
○CNAMEdnspod-free.beian.mydnspod.net2015-08-06 → 2015-12-22 · 5 obs
● 2015-08-06 09:31:22
● 2015-12-22 01:07:46
○ 2016-04-01 16:15:12
○ 2026-05-10 11:05:08
○CNAMEdnspod-free.mydnspod.net2016-04-01 → 2019-03-17 · 5 obs
● 2016-04-01 16:15:12
● 2019-03-17 18:50:08
○ 2026-04-13 19:42:02
○ 2026-05-10 11:05:08
○CNAMEdnspod-free.urlpod.cn2015-09-04 → 2015-12-22 · 5 obs
● 2015-09-04 16:03:04
● 2015-12-22 01:07:46
○ 2016-04-01 16:15:12
○ 2026-05-10 11:05:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| zsby.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 zsby.com (unsigned zone)
⏱️ Timing
Total: 3534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.51.33.132 |
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| 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
zsby.com is a parent of mail.zsby.com and www.zsby.com.
IP Addresses
zsby.com points to a single IP number: 122.51.33.132.
Other host names, for instance www.zsby.com, share IP numbers with zsby.com.
Name Servers
zsby.com is delegated to two name servers: a.ezdnscenter.com and b.ezdnscenter.com.
zsby.com uses the same name server setup as other domains, for instance projectunion.net, qiaoduan.net, gzglsjy.com, ximan.net and ballvalvesupplier.com.
Host names with two IPs:
b.ezdnscenter.com points to: 183.253.57.210 and 211.99.99.58.
Host names with one IP:
a.ezdnscenter.com points to: 218.98.111.140.
Mail Servers
zsby.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
zsby.com shares the same mail server setup as other domains, including yunkeweidian.com, cedar-essentials.com, meikao.com, ydkjzb.com and weifangjiahefood.com.
zsby.com shares some mail servers with other domains, including seedit.com, xjapp.net, artalbumframe.com, sxlyb.com and zgxtw.com.