`py-tech.com`

DNSSEC	⚠️ Not signed
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ns19.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ns20.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-176.defastlink.net`
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-111.defastlink.net`
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-184.defastlink.net`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
			PTR	`ip-163-177-5-23.defastlink.net`
MX	`mxc.global-mail.cn` ⭐
		A	152.32.134.26^{🇭🇰 UCLOUD-1152.32.134.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxu.global-mail.cn`⁽⁵⁰⁾
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
TXT	`v=spf1 include:spfv.global-mail.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772302367

`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

py-tech.com

DNS History

10 records (5 active, 5 former)

●NSns11.xincache.com2026-02-22 → 2026-02-28 · 3 obs

○ 2015-08-11 20:41:32
● 2026-02-22 06:05:24
● 2026-02-28 19:07:38

●NSns19.xincache.com2015-08-11 → 2026-02-28 · 2 obs

● 2015-08-11 20:41:32
● 2026-02-28 19:07:38

●NSns20.xincache.com2015-08-11 → 2026-02-28 · 2 obs

● 2015-08-11 20:41:32
● 2026-02-28 19:07:38

○MXmx-n.global-mail.cn2026-02-22 → 2026-02-22 · 3 obs

○ 2017-03-24 12:16:48
● 2026-02-22 06:05:24
○ 2026-02-28 19:07:38

○MXmx.py-tech.com2015-08-11 → 2017-03-24 · 4 obs

● 2015-08-11 20:41:32
● 2017-03-24 12:16:48
○ 2026-02-22 06:05:24
○ 2026-02-28 19:07:38

○MXmx1-n.global-mail.cn2026-02-22 → 2026-02-22 · 3 obs

○ 2017-03-24 12:16:48
● 2026-02-22 06:05:24
○ 2026-02-28 19:07:38

●MXmxc.global-mail.cn2026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-22 06:05:24
● 2026-02-28 19:07:38

●MXmxu.global-mail.cn2026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-22 06:05:24
● 2026-02-28 19:07:38

○A211.149.239.1772016-03-15 → 2017-03-24 · 5 obs

○ 2015-12-09 14:30:34
● 2016-03-15 20:45:14
● 2017-03-24 12:16:48
○ 2026-02-22 06:05:24
○ 2026-02-28 19:07:38

○A61.152.108.452015-08-11 → 2015-12-09 · 4 obs

● 2015-08-11 20:41:32
● 2015-12-09 14:30:34
○ 2016-03-15 20:45:14
○ 2026-02-28 19:07:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
py-tech.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server: 1.12.0.4

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for py-tech.com (unsigned zone)

⏱️ Timing

Total: 114ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	2	`mxc.global-mail.cn (pri: 5), mxu.global-mail.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.global-mail.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

Name Servers

py-tech.com is delegated to three name servers: ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

py-tech.com at least partially shares its name servers with other domains, for instance qilin-tech.com, zhenhua-sh.com, zjlib.net, chuan-bao.com and cxchem.net.

These name servers are commonly used with ns12.xincache.com, ce1.xincache.com, ce2.xincache.com, ns15.xincache.com, ns16.xincache.com, ns13.xincache.com and ns14.xincache.com.

Host names with eight IP numbers:

The host name ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

The host name ns19.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Host names with seven IP numbers:

The host name ns20.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Host names that point to 2402:4e00:1470:2::e : ns11.xincache.com and ns19.xincache.com.

Host names that point to 2402:4e00:1730::e : ns11.xincache.com and ns19.xincache.com.

Host names that point to 1.12.0.4 : ns11.xincache.com and ns19.xincache.com.

Host names that point to 36.155.149.180 : ns11.xincache.com and ns19.xincache.com.

Host names that point to 112.80.181.45 : ns11.xincache.com and ns19.xincache.com.

Host names that point to 117.89.178.173 : ns11.xincache.com and ns19.xincache.com.

Host names that point to 125.94.59.210 : ns11.xincache.com and ns19.xincache.com.

Host names that point to 129.211.176.209 : ns11.xincache.com and ns19.xincache.com.

Mail Servers

Two mail servers mxc.global-mail.cn and mxu.global-mail.cn handle py-tech.com.

py-tech.com uses the same mail server setup as other domains such as qdjy.com, shasunrise.com, hirano.com.cn, martworld.net and halion.cn.

py-tech.com shares some mail servers with other domains, including nxdcf.com, ovgroupinc.com, sccf.org.cn, yc-logistics.net and kaite.com.cn.

Host names with a single IP:

mxc.global-mail.cn resolves to 152.32.134.26.

mxu.global-mail.cn resolves to 117.50.223.79.

py-tech.com - robtex.com

py-tech.com

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