serv-u.cn - robtex.com

serv-u.cn

DNSSEC⚠️ Not signed
NSns19.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
NSns20.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
MXmail.serv-u.cn ⭐
A61.151.249.252🇨🇳 SHANGHAITELECOM61.151.249.0/24 SHIDC
PTRmail.qast.com
SOAns19.xincache.comenterprise1dnsadmin@dnspod.com serial=1577154301

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034721647

Same first word

serv-u.com
serv-u.de
serv-u.com.cn
serv-u.info
serv-u.cn
serv-u.eu
serv-u.co.il
serv-u.ch

Similar names

ev-rus.ru
u-serv.info
user-v.com
e-surv.org
v-sure.net
e-surv.info
e-surv.com
u-serv.co.kr
v-sure.nl
e-surv.net
e-surv.eu
e-surv.co.uk
u-serv.com
v-sure.eu
u-serv.de
u-serv.ru
ver-us.com
v-user.com
use-vr.de
e-surv.fr

DNS History

3 records (3 active, 0 former)

NSns19.xincache.comns20.xincache.comMXmail.serv-u.cn
●NSns19.xincache.com2026-04-25 → 2026-04-28 · 2 obs
● 2026-04-25 19:10:18
● 2026-04-28 04:22:10
●NSns20.xincache.com2026-04-25 → 2026-04-28 · 2 obs
● 2026-04-25 19:10:18
● 2026-04-28 04:22:10
●MXmail.serv-u.cn2026-04-25 → 2026-04-28 · 2 obs
● 2026-04-25 19:10:18
● 2026-04-28 04:22:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnc.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn...-
serv-u.cnns19.xincache.com, ns20.xincache.com-

✅ Authoritative Response

Server:163.177.5.23

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serv-u.cn (unsigned zone)

⏱️ Timing

Total: 1564ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns20.xincache.com, ns19.xincache.com
MX1mail.serv-u.cn (pri: 10)
SOA1ns19.xincache.com enterprise1dnsadmin.dn

Analysis

Name Servers

serv-u.cn is delegated to two name servers: ns19.xincache.com and ns20.xincache.com.

serv-u.cn shares the same name server setup as bndq.cn, ygdk.com, njdaze.com, hbtsap.com and 162.com.cn.

serv-u.cn at least partially shares name servers with other domains, for instance humanelink.com, gjlqjt.com, ccsis.org, fuweizhi.com and viewshop.net.

these name servers are commonly used with ns11.xincache.com, ns12.xincache.com, ns13.xincache.com and ns14.xincache.com.

Eight IP numbers: ns19.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: ns20.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

serv-u.cn is handled by a single mail server, mail.serv-u.cn.

mail.serv-u.cn points to a single IP: 61.151.249.252.