szfirst.net - robtex.com

szfirst.net

DNSSEC⚠️ Not signed
NSns11.xincache.com ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns12.xincache.com
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
MXqiye163mx01.mxmail.netease.com ⭐
A47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
A47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
MXqiye163mx02.mxmail.netease.com(10)
A47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
A47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
TXTv=spf1 include:spf.163.com ~all
SOAns11.xincache.comenterprise1dnsadmin@dnspod.com serial=1576613891

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774532097

Same first word

szfirst.com.cn
szfirst.net

DNS History

8 records (4 active, 4 former)

2017201820192020202120222023202420252026NSns11.xincache.comns12.xincache.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netMXqiye163mx01.mxmail.netease.comqiye163mx02.mxmail.netease.commxbiz1.qq.commxbiz2.qq.com
○NSf1g1ns1.dnspod.net2016-02-04 → 2016-09-19 · 4 obs
● 2016-02-04 01:07:26
● 2016-09-19 01:38:44
○ 2017-05-18 17:25:34
○ 2026-03-26 13:36:20
○NSf1g1ns2.dnspod.net2016-02-04 → 2016-09-19 · 4 obs
● 2016-02-04 01:07:26
● 2016-09-19 01:38:44
○ 2017-05-18 17:25:34
○ 2026-03-26 13:36:20
●NSns11.xincache.com2026-02-14 → 2026-03-26 · 3 obs
○ 2017-05-18 17:25:34
● 2026-02-14 16:32:32
● 2026-03-26 13:36:20
●NSns12.xincache.com2026-02-14 → 2026-03-26 · 3 obs
○ 2017-05-18 17:25:34
● 2026-02-14 16:32:32
● 2026-03-26 13:36:20
○MXmxbiz1.qq.com2016-02-04 → 2016-09-19 · 4 obs
● 2016-02-04 01:07:26
● 2016-09-19 01:38:44
○ 2017-05-18 17:25:34
○ 2026-03-26 13:36:20
○MXmxbiz2.qq.com2016-02-04 → 2016-09-19 · 4 obs
● 2016-02-04 01:07:26
● 2016-09-19 01:38:44
○ 2017-05-18 17:25:34
○ 2026-03-26 13:36:20
●MXqiye163mx01.mxmail.netease.com2026-02-14 → 2026-03-26 · 3 obs
○ 2017-05-18 17:25:34
● 2026-02-14 16:32:32
● 2026-03-26 13:36:20
●MXqiye163mx02.mxmail.netease.com2026-02-14 → 2026-03-26 · 3 obs
○ 2017-05-18 17:25:34
● 2026-02-14 16:32:32
● 2026-03-26 13:36:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netl.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...-
szfirst.netns11.xincache.com, ns12.xincache.com-

✅ Authoritative Response

Server:36.155.149.176

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for szfirst.net (unsigned zone)

⏱️ Timing

Total: 4141ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns11.xincache.com, ns12.xincache.com
MX2qiye163mx01.mxmail.netease.com (pri: 5), qiye163mx02.mxmail.netease.com (pri: 10)
TXT1v=spf1 include:spf.163.com ~all
SOA1ns11.xincache.com enterprise1dnsadmin.dn

Analysis

Name Servers

Two name servers ns11.xincache.com and ns12.xincache.com handle the delegation for szfirst.net.

szfirst.net shares the same name server setup as other domains, for instance anmei365.net, beot.net, dngroup.net, erpbasic.com and youngpass.com.

szfirst.net at least partially shares name servers with other domains, for instance xn--ehq807lo9e.cn, gzdt.cn, sdyit.com, cq-pf.com and cncls.cn.

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

Host names 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.

Host names 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

szfirst.net is handled by two mail servers: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

szfirst.net uses the same mail server setup as other domains, for instance speedy-log.com, mayroom.com.cn, boosterpin.com, bettor.com.cn and globallink.cn.

szfirst.net shares at least partially some mail servers with other domains, for instance kingtop.com.cn, yzfdsport.com, chinafirstunion.com.cn, wxdongli.com and caisonlcd.com.

Mail servers are commonly used alongside mx2.qiye.163.com, mx.qiye.163.com and mx.ym.163.com.

Host names with two IP numbers:

qiye163mx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

qiye163mx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

Names pointing to 47.251.71.119: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com

Names pointing to 47.251.84.126: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com