ptgtech.com - dns.ninja

`ptgtech.com`

DNSSEC	⚠️ Not signed
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}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
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}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`ptgtech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c803::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr04cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	52.101.8.42^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr03cu00402.inbound.protection.outlook.com`
		A	52.101.10.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00204.inbound.protection.outlook.com`
		A	52.101.11.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00205.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`MS=ms17161490`
TXT	`v=spf1 ip4:3.219.65.24 include:spf.protection.outlook.com -all`
SOA	`ns19.xincache.com`enterprise1dnsadmin@dnspod.com serial=1693808373

`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=1786201644

Subdomains

mail.ptgtech.com

Same first word

ptgtech.com

Similar names

tgptech.com

gtptech.com

techgpt.net

chetgpt.com

gpttech.com

DNS History

7 records (3 active, 4 former)

○NSns15.xincache.com2015-06-13 → 2016-09-14 · 4 obs

● 2015-06-13 20:46:38
● 2016-09-14 00:09:36
○ 2017-04-05 07:07:56
○ 2026-08-08 15:10:44

○NSns16.xincache.com2015-06-13 → 2016-09-14 · 4 obs

● 2015-06-13 20:46:38
● 2016-09-14 00:09:36
○ 2017-04-05 07:07:56
○ 2026-08-08 15:10:44

●NSns19.xincache.com2017-04-05 → 2026-08-08 · 3 obs

○ 2016-09-14 00:09:36
● 2017-04-05 07:07:56
● 2026-08-08 15:10:44

●NSns20.xincache.com2017-04-05 → 2026-08-08 · 3 obs

○ 2016-09-14 00:09:36
● 2017-04-05 07:07:56
● 2026-08-08 15:10:44

○MXmail.ptgtech.com2015-06-13 → 2017-04-05 · 4 obs

● 2015-06-13 20:46:38
● 2017-04-05 07:07:56
○ 2026-04-01 11:52:08
○ 2026-08-08 15:10:44

●MXptgtech-com.mail.protection.outlook.com2026-04-01 → 2026-08-08 · 3 obs

○ 2017-04-05 07:07:56
● 2026-04-01 11:52:08
● 2026-08-08 15:10:44

○A218.104.102.402015-06-13 → 2017-04-05 · 4 obs

● 2015-06-13 20:46:38
● 2017-04-05 07:07:56
○ 2026-04-01 11:52:08
○ 2026-08-08 15:10:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
ptgtech.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptgtech.com (unsigned zone)

⏱️ Timing

Total: 236ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns19.xincache.com, ns20.xincache.com`
MX	1	`ptgtech-com.mail.protection.outlook.com`
TXT	2	`v=spf1 ip4:3.219.65.24 include:spf.prote, MS=ms17161490`
SOA	1	`ns19.xincache.com enterprise1dnsadmin.dn`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

ptgtech.com is a parent domain of mail.ptgtech.com.

Name Servers

DNS delegation for ptgtech.com points to two name servers: ns19.xincache.com and ns20.xincache.com.

The name server configuration of ptgtech.com is shared with other domains, for instance laocui.com, haiyouwei.com, china-tongyu.com and two others.

ptgtech.com shares at least some of its name servers with other domains, including refractory-metal.com, tjbpi.com.cn, chinahuilong.com and two others.

These name servers are frequently paired with the name servers ns11.xincache.com and ns12.xincache.com.

Hosts with 8 IP addresses each:

ns19.xincache.com has IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, plus 5 other.

Hosts with 7 IP addresses each:

ns20.xincache.com has IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, plus 4 other.

Mail Servers

ptgtech.com uses one mail server — ptgtech-com.mail.protection.outlook.com.

ptgtech-com.mail.protection.outlook.com has 8 IP addresses: 52.101.8.42, 52.101.10.12, 52.101.11.13 plus 5 more.