`postnbuys.com`

DNSSEC	⚠️ Not signed
A	47.89.46.123^{🇭🇰 Alibaba-Cloud47.89.32.0/19 Alibaba Cloud}
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}
		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	`ns12.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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
TXT	`google-site-verification=q_lU0cIMs1NA2k20Y0kYnWe77f9dbdpnY4y5bRgey3I`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1763188720

`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=1776279447

Same first word

postnbuys.com

DNS History

10 records (5 active, 5 former)

○NSf1g1ns1.dnspod.net2015-06-09 → 2018-01-25 · 6 obs

● 2015-06-09 08:14:52
● 2016-04-21 22:18:52
○ 2016-12-30 08:24:12
● 2018-01-25 10:46:02
○ 2026-03-24 01:42:36
○ 2026-04-15 19:07:48

○NSf1g1ns2.dnspod.net2015-06-09 → 2018-01-25 · 6 obs

● 2015-06-09 08:14:52
● 2016-04-21 22:18:52
○ 2016-12-30 08:24:12
● 2018-01-25 10:46:02
○ 2026-03-24 01:42:36
○ 2026-04-15 19:07:48

●NSns11.xincache.com2026-03-24 → 2026-04-15 · 3 obs

○ 2018-01-25 10:46:02
● 2026-03-24 01:42:36
● 2026-04-15 19:07:48

●NSns12.xincache.com2026-03-24 → 2026-04-15 · 3 obs

○ 2018-01-25 10:46:02
● 2026-03-24 01:42:36
● 2026-04-15 19:07:48

○NSns19.xincache.com2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-21 22:18:52
● 2016-12-30 08:24:12
○ 2018-01-25 10:46:02
○ 2026-04-15 19:07:48

○NSns20.xincache.com2016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-21 22:18:52
● 2016-12-30 08:24:12
○ 2018-01-25 10:46:02
○ 2026-04-15 19:07:48

●MXmxbiz1.qq.com2015-06-09 → 2026-04-15 · 2 obs

● 2015-06-09 08:14:52
● 2026-04-15 19:07:48

●MXmxbiz2.qq.com2015-06-09 → 2026-04-15 · 2 obs

● 2015-06-09 08:14:52
● 2026-04-15 19:07:48

○A103.12.68.1872016-12-30 → 2016-12-30 · 3 obs

● 2016-12-30 08:24:12
○ 2018-01-25 10:46:02
○ 2026-04-15 19:07:48

●A47.89.46.1232018-01-25 → 2026-04-15 · 3 obs

○ 2016-12-30 08:24:12
● 2018-01-25 10:46:02
● 2026-04-15 19:07:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
postnbuys.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postnbuys.com (unsigned zone)

⏱️ Timing

Total: 456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.89.46.123`
NS	2	`ns12.xincache.com, ns11.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	2	`v=spf1 include:spf.mail.qq.com ~all, google-site-verification=q_lU0cIMs1NA2k2`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

IP Addresses

postnbuys.com points to a single IP: 47.89.46.123.

Name Servers

Two name servers ns11.xincache.com and ns12.xincache.com handle delegation for postnbuys.com.

postnbuys.com uses the same name server setup as other domains, for example aqlhs.com, chinagemake.com, szei.net, nonwovenchina.com and z01.net.

postnbuys.com partially shares name servers with other domains; examples include peacebird.com.cn, royaltyres.net, semcq.cn, cdhcht.com and rotiss.net.

These name servers are commonly used alongside ns20.xincache.com, ns19.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, ns17.xincache.com, ns18.xincache.com, ns15.xincache.com and ns16.xincache.com.

Hosts with eight IP numbers:

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.

Hosts with seven IP numbers:

ns12.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.

Mail Servers

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

postnbuys.com has the same mail server setup as other domains, including zsts.net, crownor.com, hbksnet.com, dejaai.com and lundaoba.com.

postnbuys.com shares some mail servers with other domains at least partially, for example kbgc.cn, bravehorse.net, www.jm3q.com and 9711.cn.

postnbuys.com - robtex.com

postnbuys.com

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