`excellentunion.com`

DNSSEC	⚠️ Not signed
A	180.76.111.222^{🇨🇳 Baidu180.76.96.0/20}
NS	`dns5.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
NS	`dns.4cun.com` ⚠️ Not in zone NS records
NS	`dns6.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
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}
SOA	`dns.4cun.com`admin@excellentunion.com serial=1737356410

`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

excellentunion.com

DNS History

7 records (6 active, 1 former)

●NSdns.4cun.com2015-06-04 → 2026-03-19 · 2 obs

● 2015-06-04 08:59:36
● 2026-03-19 07:28:04

●NSdns5.4cun.com2026-02-15 → 2026-03-19 · 3 obs

○ 2015-06-04 08:59:36
● 2026-02-15 00:35:54
● 2026-03-19 07:28:04

●NSdns6.51dns.top2026-02-15 → 2026-03-19 · 3 obs

○ 2015-06-04 08:59:36
● 2026-02-15 00:35:54
● 2026-03-19 07:28:04

●MXmxbiz1.qq.com2026-02-15 → 2026-03-19 · 2 obs

● 2026-02-15 00:35:54
● 2026-03-19 07:28:04

●MXmxbiz2.qq.com2026-02-15 → 2026-03-19 · 2 obs

● 2026-02-15 00:35:54
● 2026-03-19 07:28:04

○A119.119.186.802015-06-04 → 2017-06-28 · 4 obs

● 2015-06-04 08:59:36
● 2017-06-28 12:42:28
○ 2026-02-15 00:35:54
○ 2026-03-19 07:28:04

●A180.76.111.2222026-02-15 → 2026-03-19 · 3 obs

○ 2017-06-28 12:42:28
● 2026-02-15 00:35:54
● 2026-03-19 07:28:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
excellentunion.com	dns5.4cun.com, dns6.51dns.top	2 records

✅ Authoritative Response

Server: 61.172.183.74

NS records: dns5.4cun.com, dns6.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for excellentunion.com (unsigned zone)

⏱️ Timing

Total: 1581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.76.111.222`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`dns.4cun.com admin.excellentunion.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns5.4cun.com, dns5.4cun.com)

Analysis

IP Addresses

excellentunion.com points to a single IP number: 180.76.111.222.

Name Servers

The delegation for excellentunion.com is handled by three name servers: dns5.4cun.com, dns.4cun.com and dns6.51dns.top.

excellentunion.com at least partially shares name servers with other domains, for instance elin-cn.com, jjgz.com, wanshuyun.com, aiv99.com and 021yun.cn.

These name servers are commonly used together with the name servers dns3.4cun.com, dns4.51dns.top, dns6.4cun.com, dns7.4cun.com, dns1.4cun.com, dns2.51dns.top, dns8.51dns.top, ns3.4cun.com, ns4.4cun.com and ns1.4cun.com.

Host names with two IP numbers:

dns5.4cun.com points to: 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210.

dns6.51dns.top points to: 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74.

Names pointing to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns5.4cun.com and dns6.51dns.top.

Mail Servers

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

excellentunion.com uses the same mail server configuration as other domains, such as flexchic.com, civen.cn, infhardware.com, nbpt.edu.cn and safewaychina.cn.

excellentunion.com shares at least partially some mail servers with other domains, for example szsica.com, thedryair.com and autopase.cc.

Host names with two IPs:

mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP:

mxbiz2.qq.com points to 203.205.232.191.

Host names pointing to 203.205.232.191:

mxbiz1.qq.com and mxbiz2.qq.com.

excellentunion.com - robtex.com