`tzdc.com`

CNAME	`8eb042d38daa3933.cdn.jiashule.com`
DNSSEC	⚠️ Not signed
A	8.146.209.58^{🇨🇳 Alibaba-Cloud8.146.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`ns1.365cyd.net` ⚠️ Not in parent delegation
		A	240e:965:802:1040::420^{🇨🇳 CHINATELECOM-FUJIAN-FUZHOU-IDC1240e:965:800::/37 IDC FUJIAN PROVINCE}
		A	112.84.222.99^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	112.84.222.100^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	116.211.128.200^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.128.0/22 chinanet/163 hubei province network}
NS	`ns1.jiasule.net` ⚠️ Not in parent delegation
		A	2409:8c04:1101:3050::450^{🇨🇳 CMNET-V4HEBEI-AS-AP2409:8c04:1101::/48 CMI (Customer Route)}
		A	240e:965:802:1040::420^{🇨🇳 CHINATELECOM-FUJIAN-FUZHOU-IDC1240e:965:800::/37 IDC FUJIAN PROVINCE}
		A	112.84.222.99^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	112.84.222.100^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	116.211.128.199^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.128.0/22 chinanet/163 hubei province network}
		A	116.211.128.200^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.128.0/22 chinanet/163 hubei province network}
NS	`ns1.kangdns.com` ⚠️ Not in parent delegation
		A	240e:965:802:1040::420^{🇨🇳 CHINATELECOM-FUJIAN-FUZHOU-IDC1240e:965:800::/37 IDC FUJIAN PROVINCE}
		A	112.84.222.99^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
NS	`ns2.365cyd.net` ⚠️ Not in parent delegation
		A	2409:8c04:1101:3050::450^{🇨🇳 CMNET-V4HEBEI-AS-AP2409:8c04:1101::/48 CMI (Customer Route)}
		A	112.84.222.99^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	112.84.222.100^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	116.211.128.199^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.128.0/22 chinanet/163 hubei province network}
NS	`ns2.jiasule.net` ⚠️ Not in parent delegation
		A	2409:8c04:1101:3050::451^{🇨🇳 CMNET-V4HEBEI-AS-AP2409:8c04:1101::/48 CMI (Customer Route)}
		A	240e:965:802:1040::420^{🇨🇳 CHINATELECOM-FUJIAN-FUZHOU-IDC1240e:965:800::/37 IDC FUJIAN PROVINCE}
		A	112.84.222.99^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	112.84.222.100^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	116.211.128.199^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.128.0/22 chinanet/163 hubei province network}
		A	116.211.128.200^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.128.0/22 chinanet/163 hubei province network}
NS	`ns2.kangdns.com` ⚠️ Not in parent delegation
		A	2409:8c04:1101:3050::450^{🇨🇳 CMNET-V4HEBEI-AS-AP2409:8c04:1101::/48 CMI (Customer Route)}
		A	116.211.128.200^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.128.0/22 chinanet/163 hubei province network}
SOA	`.`mail@jiasule.net serial=1

`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=1784450882

Same first word

tzdc.com

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DNS History

7 records (3 active, 4 former)

●NSdns17.hichina.com2015-06-23 → 2026-07-19 · 3 obs

○ 2008-03-10 09:53:30
● 2015-06-23 05:50:22
● 2026-07-19 09:06:08

●NSdns18.hichina.com2015-06-23 → 2026-07-19 · 3 obs

○ 2008-03-10 09:53:30
● 2015-06-23 05:50:22
● 2026-07-19 09:06:08

○NSns.buydomains.com2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 09:53:30
○ 2015-06-23 05:50:22
○ 2026-07-19 09:06:08

○NSthis-domain-for-sale.com2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 09:53:30
○ 2015-06-23 05:50:22
○ 2026-07-19 09:06:08

○MXdev.null2008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 09:53:30
○ 2015-06-23 05:50:22
○ 2026-07-19 09:06:08

○A208.254.26.1322008-03-10 → 2008-03-10 · 3 obs

● 2008-03-10 09:53:30
○ 2015-06-23 05:50:22
○ 2026-07-19 09:06:08

●CNAME8eb042d38daa3933.cdn.jiashule.com2026-07-14 → 2026-07-19 · 2 obs

● 2026-07-14 18:09:00
● 2026-07-19 09:06:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...	-
tzdc.com	dns17.hichina.com, dns18.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tzdc.com (unsigned zone)

⏱️ Timing

Total: 561ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns17.hichina.com, dns18.hichina.com`
CNAME	1	`8eb042d38daa3933.cdn.jiashule.com`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)

Analysis

IP Addresses

tzdc.com resolves to one IP address: 8.146.209.58.

There are other host names — 8eb042d38daa3933.cdn.jiashule.com among them — that share IP numbers with tzdc.com.

Name Servers

DNS for tzdc.com is handled by 6 name servers: ns1.kangdns.com, ns2.kangdns.com, ns1.365cyd.net and 3 others.

At least some of tzdc.com's name servers are shared with other domains, for example 5b124d5aae7fa011.cdn.jiashule.com, 7d986d1e0916be2f.cdn.jiashule.com, 3ecb988e253404d1.cdn.jiashule.com and two more.

These name servers are often deployed together with the name servers ns2.365cyd.net, ns1.jiasule.net, ns2.jiasule.net and ns1.cyudun.net.

Hostnames that resolve to 6 IP addresses:

ns1.jiasule.net has IP addresses 112.84.222.99, 112.84.222.100 and 116.211.128.199, plus 3 other.

ns2.jiasule.net has IP addresses 112.84.222.99, 112.84.222.100 and 116.211.128.199, plus 3 other.

Hosts that point to four IP numbers:

ns1.365cyd.net directs to 112.84.222.99, 112.84.222.100, 116.211.128.200 and 240e:965:802:1040::420.

ns2.365cyd.net directs to 112.84.222.99, 112.84.222.100, 116.211.128.199 and 2409:8c04:1101:3050::450.

Hostnames that resolve to two IP addresses:

ns1.kangdns.com has two IP addresses: 112.84.222.99 and 240e:965:802:1040::420.

ns2.kangdns.com has two IP addresses: 116.211.128.200 and 2409:8c04:1101:3050::450.

The host names ns1.jiasule.net, ns2.365cyd.net and ns2.kangdns.com each resolve to 2409:8c04:1101:3050::450.

ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net and ns1.kangdns.com are host names that each resolve to 240e:965:802:1040::420.

The following host names point to 112.84.222.99: ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net and two others.

ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net and ns2.365cyd.net are host names that each resolve to 112.84.222.100.

The host names ns1.jiasule.net, ns2.jiasule.net and ns2.365cyd.net each resolve to 116.211.128.199.

ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net and ns2.kangdns.com are host names that each resolve to 116.211.128.200.

tzdc.com - robtex.com

tzdc.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`tzdc.com`

`com`