`cztree.com`

DNSSEC	⚠️ Not signed
A	116.255.187.4^{🇨🇳 CHINA169-Backbone116.255.128.0/17 CNC Group CHINA169 Henan Province Network Addresses from CNNIC(GIANT)}
NS	`ns1.myhostadmin.net` ⭐
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.254^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
			PTR	`ip-60-247-150-254.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
NS	`ns2.myhostadmin.net`
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-73.defastlink.net`
		A	61.240.129.143^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
			PTR	`ip-61-240-129-143.defastlink.net`
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`ip-211-149-230-100.defastlink.net`
NS	`ns3.myhostadmin.net`
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.77^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-77.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
NS	`ns4.myhostadmin.net`
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
		A	211.149.230.100^{🇨🇳 CHINANET-SCIDC-AS-AP211.149.224.0/19 chinanet SC province network-client}
			PTR	`ip-211-149-230-100.defastlink.net`
NS	`ns5.myhostadmin.net`
		A	240e:d9:c200::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	61.172.183.73^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
			PTR	`ip-61-172-183-73.defastlink.net`
		A	118.123.249.114^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-249-114.defastlink.net`
NS	`ns6.myhostadmin.net`
		A	240e:d9:c200:1::2^{🇨🇳 CHINANET-SCIDC-AS-AP240e:d9:c000::/36 SICHUANIDC province network}
		A	60.247.150.13^{🇨🇳 CHINANET-SCIDC-AS-AP60.247.128.0/18 SICHUANIDC province network}
			PTR	`ip-60-247-150-13.defastlink.net`
		A	118.123.253.132^{🇨🇳 CHINANET-SCIDC-AS-AP118.123.240.0/20 CHINANET SiChuan Telecom Internet Data Center}
			PTR	`ip-118-123-253-132.defastlink.net`
MX	`mxdomain.qq.com` ⭐
MX	`mxbiz1.qq.com`⁽⁵⁾
		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	`925525773-40182784`
SOA	`ns1.myhostadmin.net`dnsconct@myhostadmin.net 2015-08-13 #99

`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

cztree.com

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ezcert.com

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DNS History

12 records (10 active, 2 former)

○NSns1.cztree.com2015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 01:56:02
○ 2015-11-26 12:05:16
○ 2026-03-11 18:40:54

●NSns1.myhostadmin.net2015-11-26 → 2026-03-11 · 3 obs

○ 2015-07-26 01:56:02
● 2015-11-26 12:05:16
● 2026-03-11 18:40:54

●NSns2.myhostadmin.net2015-11-26 → 2026-03-11 · 3 obs

○ 2015-07-26 01:56:02
● 2015-11-26 12:05:16
● 2026-03-11 18:40:54

●NSns3.myhostadmin.net2015-11-26 → 2026-03-11 · 3 obs

○ 2015-07-26 01:56:02
● 2015-11-26 12:05:16
● 2026-03-11 18:40:54

●NSns4.myhostadmin.net2015-11-26 → 2026-03-11 · 3 obs

○ 2015-07-26 01:56:02
● 2015-11-26 12:05:16
● 2026-03-11 18:40:54

●NSns5.myhostadmin.net2015-11-26 → 2026-03-11 · 3 obs

○ 2015-07-26 01:56:02
● 2015-11-26 12:05:16
● 2026-03-11 18:40:54

●NSns6.myhostadmin.net2015-11-26 → 2026-03-11 · 3 obs

○ 2015-07-26 01:56:02
● 2015-11-26 12:05:16
● 2026-03-11 18:40:54

●MXmxbiz1.qq.com2015-07-26 → 2026-03-11 · 2 obs

● 2015-07-26 01:56:02
● 2026-03-11 18:40:54

●MXmxbiz2.qq.com2015-07-26 → 2026-03-11 · 2 obs

● 2015-07-26 01:56:02
● 2026-03-11 18:40:54

●MXmxdomain.qq.com2015-07-26 → 2026-03-11 · 2 obs

● 2015-07-26 01:56:02
● 2026-03-11 18:40:54

●A116.255.187.42026-03-11 → 2026-03-11 · 3 obs

○ 2016-04-07 14:58:46
● 2026-03-11 18:40:52
● 2026-03-11 18:40:54

○A118.244.159.732015-07-26 → 2016-04-07 · 4 obs

● 2015-07-26 01:56:02
● 2016-04-07 14:58:46
○ 2026-03-11 18:40:52
○ 2026-03-11 18:40:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cztree.com	ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net, ns4.myhostadmin.net...	-

✅ Authoritative Response

Server: 61.172.183.73

NS records: ns1.myhostadmin.net, ns2.myhostadmin.net, ns3.myhostadmin.net, ns4.myhostadmin.net, ns5.myhostadmin.net, ns6.myhostadmin.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cztree.com (unsigned zone)

⏱️ Timing

Total: 1864ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.255.187.4`
NS	6	`ns3.myhostadmin.net, ns2.myhostadmin.net...`
MX	3	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)...`
TXT	1	`925525773-40182784`
SOA	1	`ns1.myhostadmin.net dnsconct.myhostadmin`