crf-tech.com - dns.ninja

`crf-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}
		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	`hzmx01.mxmail.netease.com` ⭐
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1775037606

`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=1786325214

Same first word

crf-tech.com

DNS History

5 records (4 active, 1 former)

●NSns11.xincache.com2026-03-24 → 2026-08-10 · 2 obs

● 2026-03-24 11:05:58
● 2026-08-10 01:44:52

●NSns12.xincache.com2026-03-24 → 2026-08-10 · 2 obs

● 2026-03-24 11:05:58
● 2026-08-10 01:44:52

●MXhzmx01.mxmail.netease.com2026-03-24 → 2026-08-10 · 2 obs

● 2026-03-24 11:05:58
● 2026-08-10 01:44:52

●MXhzmx02.mxmail.netease.com2026-03-24 → 2026-08-10 · 2 obs

● 2026-03-24 11:05:58
● 2026-08-10 01:44:52

○A114.215.207.1022026-03-24 → 2026-03-27 · 4 obs

● 2026-03-24 11:05:58
● 2026-03-27 00:24:00
○ 2026-08-10 01:44:48
○ 2026-08-10 01:44:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
crf-tech.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 crf-tech.com (unsigned zone)

⏱️ Timing

Total: 519ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
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

Name Servers

crf-tech.com has two authoritative name servers — ns11.xincache.com and ns12.xincache.com.

The name server configuration of crf-tech.com is shared with other domains, for instance lndpower.com, ciwz.net, yanmuji.com and two others.

There is at least partial name server overlap between crf-tech.com and other domains — qdzklt.com, gshmhotels.com, ntyy.com and two more among them.

These name servers regularly appear alongside ce1.xincache.com, ce2.xincache.com, ns18.xincache.com and 7 other name servers in NS record sets.

Hosts with 8 IP addresses each:

ns11.xincache.com points to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

Hosts with 7 IP addresses each:

ns12.xincache.com points to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

Mail Servers

crf-tech.com uses two mail servers, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

The mail server setup of crf-tech.com matches that of other domains such as edeson.cn, itvfocus.com, y-lin.com and two others.

The mail servers of crf-tech.com overlap at least partially with those of other domains, including apceo.top, gecenhd.com and skyline-alu.com.

Host names pointing to two IP addresses:

hzmx02.mxmail.netease.com resolves to 47.251.71.119 and 47.251.84.126.