crf-tech.com - robtex.com
crf-tech.com
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
crf-tech.com |
DNS History
5 records (5 active, 0 former)
●NSns11.xincache.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:06:00
●NSns12.xincache.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:06:00
●MXhzmx01.mxmail.netease.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:06:00
●MXhzmx02.mxmail.netease.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:06:00
●A114.215.207.1022026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 11:06:00
🔍 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: 219ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 114.215.207.102 |
| NS | 2 | ns12.xincache.com, ns11.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
IP Addresses
crf-tech.com maps to IP address 114.215.207.102.
Name Servers
Two name servers ns11.xincache.com and ns12.xincache.com are delegated to crf-tech.com.
crf-tech.com uses the same name server configuration as other domains, such as lndpower.com, ciwz.net, zzhldhy.com, yanmuji.com and dzsxszy.com.
crf-tech.com at least partially shares name servers with other domains such as gshmhotels.com, cgsmmj.com, wy186.com, shanyu.com and dyjd.net.
These name servers are often used together with ns18.xincache.com, ns17.xincache.com, ce1.xincache.com, ce2.xincache.com, ns15.xincache.com, ns16.xincache.com, ns20.xincache.com, ns19.xincache.com, ns13.xincache.com and ns14.xincache.com.
Eight IP numbers for host names: 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.
Seven IP numbers for host names: 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
Two mail servers handle crf-tech.com: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
crf-tech.com shares the same mail server setup as other domains, including edeson.cn, itvfocus.com, opengoss.com, anrushan.com and pbmmf.com.
crf-tech.com shares some mail servers with other domains, for instance apceo.top and skyline-alu.com.
Host names with two IP numbers:
hzmx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126
hzmx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126
Hosts that point to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com
Hosts that point to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com