richenholding.com - dns.ninja
richenholding.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 | mx1.chengmail.cn ⭐ | ||||||
| A | 103.143.231.69🇭🇰 YISUCLOUDLTD-HK103.143.231.0/24 Hongkong Hongdou Technology Co., Limited FLAT/RM B07 23/F HOVER INDUSTRIAL BUILDING NO.26-38 KWAI CHEONG ROAO, NT | ||||||
| A | 113.10.158.179🇭🇰 HKBNESL-AS-AP113.10.158.0/24 New World Telecommunications Limited Hong Kong Broadband Network Ltd 15/F, Trans Asia Centre 18 Kin Hong Street, Kwai Chung, N.T. | ||||||
| MX | mx2.chengmail.cn(20) | ||||||
| A | 103.143.231.69🇭🇰 YISUCLOUDLTD-HK103.143.231.0/24 Hongkong Hongdou Technology Co., Limited FLAT/RM B07 23/F HOVER INDUSTRIAL BUILDING NO.26-38 KWAI CHEONG ROAO, NT | ||||||
| A | 113.10.158.179🇭🇰 HKBNESL-AS-AP113.10.158.0/24 New World Telecommunications Limited Hong Kong Broadband Network Ltd 15/F, Trans Asia Centre 18 Kin Hong Street, Kwai Chung, N.T. | ||||||
| TXT | v=spf1 include:spf.chengmail.cn ~all | ||||||
| SOA | a.ezdnscenter.comdnsadmin@ezdnscenter.com serial=1751342704 | ||||||
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=1783932257 | ||||||
Subdomains
www.richenholding.com |
Same first word
richenholding.com |
DNS History
14 records (4 active, 10 former)
●NSa.ezdnscenter.com2026-04-23 → 2026-07-13 · 3 obs
● 2026-04-23 03:46:54
● 2026-07-13 09:13:20
●NSb.ezdnscenter.com2026-04-23 → 2026-07-13 · 3 obs
● 2026-04-23 03:46:54
● 2026-07-13 09:13:20
○NSns1.dns-ez.com2015-05-29 → 2016-12-30 · 4 obs
● 2016-12-30 08:04:04
○ 2017-12-28 07:53:24
○ 2026-07-13 09:13:20
○NSns10.cdncenter.com2017-12-28 → 2017-12-28 · 4 obs
● 2017-12-28 07:53:24
○ 2026-04-23 03:46:54
○ 2026-07-13 09:13:20
○NSns11.cdncenter.com2017-12-28 → 2017-12-28 · 4 obs
● 2017-12-28 07:53:24
○ 2026-04-23 03:46:54
○ 2026-07-13 09:13:20
○NSns12.cdncenter.com2017-12-28 → 2017-12-28 · 4 obs
● 2017-12-28 07:53:24
○ 2026-04-23 03:46:54
○ 2026-07-13 09:13:20
○NSns2.dns-ez.com2015-05-29 → 2016-12-30 · 4 obs
● 2016-12-30 08:04:04
○ 2017-12-28 07:53:24
○ 2026-07-13 09:13:20
○NSns7.cdncenter.com2017-12-28 → 2017-12-28 · 4 obs
● 2017-12-28 07:53:24
○ 2026-04-23 03:46:54
○ 2026-07-13 09:13:20
○NSns8.cdncenter.com2017-12-28 → 2017-12-28 · 4 obs
● 2017-12-28 07:53:24
○ 2026-04-23 03:46:54
○ 2026-07-13 09:13:20
○NSns9.cdncenter.com2017-12-28 → 2017-12-28 · 4 obs
● 2017-12-28 07:53:24
○ 2026-04-23 03:46:54
○ 2026-07-13 09:13:20
○MXmail.richenholding.com2015-05-29 → 2016-12-30 · 4 obs
● 2016-12-30 08:04:04
○ 2017-12-28 07:53:24
○ 2026-07-13 09:13:20
●MXmx1.chengmail.cn2017-12-28 → 2026-07-13 · 3 obs
● 2017-12-28 07:53:24
● 2026-07-13 09:13:20
●MXmx2.chengmail.cn2017-12-28 → 2026-07-13 · 3 obs
● 2017-12-28 07:53:24
● 2026-07-13 09:13:20
○A14.1.20.572015-05-29 → 2016-12-30 · 4 obs
● 2016-12-30 08:04:04
○ 2017-12-28 07:53:24
○ 2026-07-13 09:13:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net... | - |
| richenholding.com | a.ezdnscenter.com, b.ezdnscenter.com | 3 records |
✅ Authoritative Response
Server:218.98.111.140
NS records: a.ezdnscenter.com, b.ezdnscenter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for richenholding.com (unsigned zone)
⏱️ Timing
Total: 3507ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.ezdnscenter.com, b.ezdnscenter.com |
| MX | 2 | mx1.chengmail.cn (pri: 10), mx2.chengmail.cn (pri: 20) |
| TXT | 1 | v=spf1 include:spf.chengmail.cn ~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 domain www.richenholding.com falls under the parent richenholding.com.
Name Servers
richenholding.com uses two name servers for its delegation: a.ezdnscenter.com and b.ezdnscenter.com.
The name server configuration of richenholding.com is shared with other domains, for instance 21918.org, app8.com.cn, zzfangchan.cn and two others.
Host names pointing to two IP addresses:
b.ezdnscenter.com directs traffic to 183.253.57.210 and 211.99.99.58.
Host names resolving to a single IP address:
a.ezdnscenter.com has the IP address 218.98.111.140.
Mail Servers
richenholding.com uses two mail servers, mx1.chengmail.cn and mx2.chengmail.cn.
The mail server setup of richenholding.com matches that of other domains such as rkmacau.com, joinsn.com, its111.com and two others.
At least some of the mail servers used by richenholding.com are shared with other domains: hirun-tech.com, gelaibo.com, 360cn.cn and two others among them.
mx1.chengmail.cn and mx2.chengmail.cn share the same two IP addresses — 103.143.231.69 and 113.10.158.179.
Both mx1.chengmail.cn and mx2.chengmail.cn resolve to 103.143.231.69 IP addresses each.
Both mx1.chengmail.cn and mx2.chengmail.cn resolve to 113.10.158.179 IP addresses each.