`bridgebeijing.com`

DNSSEC	⚠️ Not signed
A	139.59.222.6^{🇸🇬 DIGITALOCEAN139.59.220.0/22}
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` ⭐
		A	203.205.147.218^{🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object}
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
MX	`mxbiz2.qq.com`⁽¹⁰⁾
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`a.ezdnscenter.com`dnsadmin@ezdnscenter.com serial=1751342659

`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.net`nstld@verisign-grs.com serial=1771291435

Same first word

bridgebeijing.com

DNS History

11 records (5 active, 6 former)

●NSa.ezdnscenter.com2016-12-17 → 2026-03-22 · 2 obs

● 2016-12-17 11:39:58
● 2026-03-22 04:38:52

●NSb.ezdnscenter.com2016-12-17 → 2026-03-22 · 2 obs

● 2016-12-17 11:39:58
● 2026-03-22 04:38:52

○MXmx1.chengmail.cn2016-12-17 → 2019-12-23 · 4 obs

● 2016-12-17 11:39:58
● 2019-12-23 17:46:42
○ 2026-03-08 02:19:26
○ 2026-03-22 04:38:52

○MXmx2.chengmail.cn2016-12-17 → 2019-12-23 · 4 obs

● 2016-12-17 11:39:58
● 2019-12-23 17:46:42
○ 2026-03-08 02:19:26
○ 2026-03-22 04:38:52

●MXmxbiz1.qq.com2026-03-08 → 2026-03-22 · 3 obs

○ 2019-12-23 17:46:42
● 2026-03-08 02:19:26
● 2026-03-22 04:38:52

●MXmxbiz2.qq.com2026-03-08 → 2026-03-22 · 3 obs

○ 2019-12-23 17:46:42
● 2026-03-08 02:19:26
● 2026-03-22 04:38:52

○MXmxn.mxhichina.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 11:39:58
○ 2019-12-23 17:46:42
○ 2026-03-22 04:38:52

○MXmxw.mxhichina.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 11:39:58
○ 2019-12-23 17:46:42
○ 2026-03-22 04:38:52

●A139.59.222.62026-03-08 → 2026-03-22 · 3 obs

○ 2019-12-23 17:46:42
● 2026-03-08 02:19:26
● 2026-03-22 04:38:52

○A23.234.26.1712016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 11:39:58
○ 2019-12-23 17:46:42
○ 2026-03-22 04:38:52

○A39.98.146.452019-12-23 → 2019-12-23 · 4 obs

○ 2016-12-17 11:39:58
● 2019-12-23 17:46:42
○ 2026-03-08 02:19:26
○ 2026-03-22 04:38:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
bridgebeijing.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 bridgebeijing.com (unsigned zone)

⏱️ Timing

Total: 3932ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.59.222.6`
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

IP Addresses

bridgebeijing.com resolves to a single IP address: 139.59.222.6.

Name Servers

bridgebeijing.com's delegation uses two name servers, a.ezdnscenter.com and b.ezdnscenter.com.

bridgebeijing.com shares the same name server setup as other domains, for example sbtezg.com, kefoo.com.cn, cnkzd.com, yiyuread.com and baconbuy.com.

Host names with two IP numbers:

The host name b.ezdnscenter.com points to: 183.253.57.210 and 211.99.99.58.

Host names with one IP number:

The host name a.ezdnscenter.com points to: 218.98.111.140.

Mail Servers

bridgebeijing.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

bridgebeijing.com shares its mail server setup with other domains, including eisoo.com, 51rxzc.com, sumring.com, yixincn.cn and de-fa.com.cn.

The mail servers for bridgebeijing.com are shared with other domains, for instance fciet.com, letime.cn, nhzhaopin.com, xw18.cn and pxwww.com.

these mail servers are commonly used alongside the mail servers mx.ym.163.com.

Host names with two IP numbers:

The host name mxbiz1.qq.com points to: 203.205.147.218 and 203.205.232.191.

Host names with one IP number:

The host name mxbiz2.qq.com points to: 203.205.232.191.

Host names that point to 203.205.232.191 : mxbiz1.qq.com and mxbiz2.qq.com.

bridgebeijing.com - robtex.com