`letwo.cn`

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}
		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⁾
SOA	`ns11.xincache.com`ns12@xincache.com serial=1775485358

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035038216

Same first word

letwo.com

letwo.cn

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DNS History

4 records (4 active, 0 former)

●NSns11.xincache.com2026-05-24 → 2026-07-14 · 2 obs

● 2026-05-24 09:18:50
● 2026-07-14 04:02:18

●NSns12.xincache.com2026-05-24 → 2026-07-14 · 2 obs

● 2026-05-24 09:18:50
● 2026-07-14 04:02:18

●MXmxbiz1.qq.com2026-05-24 → 2026-07-14 · 4 obs

● 2026-05-24 09:18:50
○ 2026-06-11 15:20:04
● 2026-06-16 23:47:20
● 2026-07-14 04:02:18

●MXmxbiz2.qq.com2026-05-24 → 2026-07-14 · 4 obs

● 2026-05-24 09:18:50
○ 2026-06-11 15:20:04
● 2026-06-16 23:47:20
● 2026-07-14 04:02:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
letwo.cn	ns11.xincache.com, ns12.xincache.com	-

✅ Authoritative Response

Server:117.89.178.184

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letwo.cn (unsigned zone)

⏱️ Timing

Total: 1687ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Name Servers

DNS delegation for letwo.cn points to two name servers: ns11.xincache.com and ns12.xincache.com.

The name server configuration of letwo.cn is shared with other domains, for instance sxtrip.net, jmjingou.com, diberdiber.com and two others.

The name servers of letwo.cn overlap at least partially with those of other domains — among them shiciba.net, gdivdc.com, 51shqa.com and two more.

These name servers commonly appear in delegations together with ns20.xincache.com, ns19.xincache.com, ce1.xincache.com and 7 other.

Hosts with 8 IP addresses each:

ns11.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:

ns12.xincache.com has IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, plus 4 other.

Mail Servers

letwo.cn uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of letwo.cn matches that of other domains such as weixinbao.com, anenda.com, ychzp.com and two others.

At least some of the mail servers used by letwo.cn are shared with other domains: yxsjmc.cn, ru44.com, szoniya.com and two others among them.

letwo.cn - robtex.com

letwo.cn

cn