first-semi.com - robtex.com

first-semi.com

DNSSEC⚠️ Not signed
A61.144.168.170🇨🇳 CHINANET-BACKBONE61.144.0.0/15 China Telecom Corporation
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
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAns11.xincache.comns12@xincache.com serial=1740971954

com

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=1777312986
rank #773562 globally
rank #347308 in the tld

Same first word

first-semi.com

Similar names

isites-mfr.info

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns11.xincache.comns12.xincache.comns13.xincache.comns14.xincache.comns17.xincache.comns18.xincache.comMXmxbiz1.qq.commxbiz2.qq.commx-n.global-mail.cnmx1-n.global-mail.cnA61.144.168.170182.50.130.67
●NSns11.xincache.com2026-03-31 → 2026-04-27 · 3 obs
○ 2017-11-24 14:04:10
● 2026-03-31 18:16:12
● 2026-04-27 18:27:56
●NSns12.xincache.com2026-03-31 → 2026-04-27 · 3 obs
○ 2017-11-24 14:04:10
● 2026-03-31 18:16:12
● 2026-04-27 18:27:56
○NSns13.xincache.com2015-06-06 → 2017-11-24 · 4 obs
● 2015-06-06 23:08:28
● 2017-11-24 14:04:10
○ 2026-03-31 18:16:12
○ 2026-04-27 18:27:56
○NSns14.xincache.com2015-06-06 → 2017-11-24 · 4 obs
● 2015-06-06 23:08:28
● 2017-11-24 14:04:10
○ 2026-03-31 18:16:12
○ 2026-04-27 18:27:56
○NSns17.xincache.com2015-06-06 → 2017-11-24 · 4 obs
● 2015-06-06 23:08:28
● 2017-11-24 14:04:10
○ 2026-03-31 18:16:12
○ 2026-04-27 18:27:56
○NSns18.xincache.com2015-06-06 → 2017-11-24 · 4 obs
● 2015-06-06 23:08:28
● 2017-11-24 14:04:10
○ 2026-03-31 18:16:12
○ 2026-04-27 18:27:56
○MXmx-n.global-mail.cn2015-06-06 → 2016-05-07 · 4 obs
● 2015-06-06 23:08:28
● 2016-05-07 07:13:40
○ 2017-01-02 18:06:10
○ 2026-04-27 18:27:56
○MXmx1-n.global-mail.cn2015-06-06 → 2016-05-07 · 4 obs
● 2015-06-06 23:08:28
● 2016-05-07 07:13:40
○ 2017-01-02 18:06:10
○ 2026-04-27 18:27:56
●MXmxbiz1.qq.com2017-01-02 → 2026-04-27 · 3 obs
○ 2016-05-07 07:13:40
● 2017-01-02 18:06:10
● 2026-04-27 18:27:56
●MXmxbiz2.qq.com2017-01-02 → 2026-04-27 · 3 obs
○ 2016-05-07 07:13:40
● 2017-01-02 18:06:10
● 2026-04-27 18:27:56
○A182.50.130.672015-06-06 → 2017-11-24 · 4 obs
● 2015-06-06 23:08:28
● 2017-11-24 14:04:10
○ 2026-03-31 18:16:12
○ 2026-04-27 18:27:56
●A61.144.168.1702026-03-31 → 2026-04-27 · 3 obs
○ 2017-11-24 14:04:10
● 2026-03-31 18:16:12
● 2026-04-27 18:27:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...-
first-semi.comns11.xincache.com, ns12.xincache.com12 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 first-semi.com (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

TypeCountSample Data
A161.144.168.170
NS2ns12.xincache.com, ns11.xincache.com
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
TXT1v=spf1 include:spf.mail.qq.com ~all
SOA1ns11.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

first-semi.com points to a single IP address: 61.144.168.170.

Name Servers

first-semi.com is delegated to two name servers: ns11.xincache.com and ns12.xincache.com.

first-semi.com uses the same name server setup as other domains, including so7.net, yifusc2.com, scienceedu.net, dorimena.com and zokivi.com.

At least part of the name servers for first-semi.com are shared with other domains, for instance hqzy.cn, hnkl.cn, winbest.com.cn, ylyz.net and higrand.com.

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

first-semi.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

first-semi.com uses the same mail server setup as other domains, for instance blovelight.com, nsd2020.com, shlyts.cn, picoart.cn and liangzhishu.com.

first-semi.com shares mail servers with other domains to some extent, for instance opticspaces.com, inoxpa.cn, facedle.com and hongchen-union.com.cn.