iucb.cn - robtex.com

iucb.cn

DNSSEC⚠️ Not signed
NSdns17.hichina.com ⭐
A2408:4009:501::25🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.100🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.110🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
NSdns18.hichina.com
A2408:4009:501::26🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.98🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.108🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
MXmxn.mxhichina.com ⭐
A47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
PTRcz-clare.com
PTRreachsmartdwell.com
PTRwevolt.tech
A47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
MXmxw.mxhichina.com(10)
A47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object
PTRreachsmartdwell.com
TXTv=spf1 include:spf.mxhichina.com -all
SOAdns17.hichina.comhostmaster@hichina.com 2026-05-28 #9

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=2035177638

Same first word

iucb.com
iucb.cn

Similar names

buci.cz
ucbi.ca
icub.com
ibcu.com
ubic.in
bciu.com
ibcu.de
icub.org
buci.de
ubic.org.uk
ibuc.com
ubic.pl
icbu.com
bicu.it
bicu.edu.ni
ubic.app
bicu.ie
ubci.cat
cibu.dk
uibc.de
ucbi.de
buci.net
ucbi.ru
buci.lt
cuib.org
cbiu.gov.dm
cubi.casa
ubic.biz
cuib.de
cbiu.org
cubi.ca
uicb.ru
cubi.es
icub.edu.uy
cibu.edu.gl
buic.com
ubic.tech
ucbi.com
cibu.com
icub.com.br
cubi.be
ubic.de
buic.ac.uk
ibcu.com.br
ciub.org
cubi.eu
buci.jp
uibc.cn
ibuc.net
icbu.redirectme.net
cubi.de
buci.nl
ibuc.de
ciub.de
bcui.com.ua
icub.cn
bicu.ru
icbu.ir
icub.de
cibu.org
cubi.one
bciu.net
cubi.cn
cubi.biz
ucbi.org
cubi.nl
cbui.it
uibc.edu.mx
buic.de
uibc.org
buic.cn
cubi.it
bcui.cn
ubic.me
bicu.ai
cibu.com.tr
ibcu.co
cubi.pl
bcui.com
ubic.pro
bciu.org
uicb.pro
icbu.info
icub.at
cubi.st
buci.org
ibuc.org
buci.com
ubic.co.jp
cubi.to
ubci.com.tn
cubi.tech
cubi.so
buic.org
ucbi.us
ubci.com.br
ubic.ru
cubi.me
iubc.com
ubic.co.uk
ucbi.net

DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSdns17.hichina.comdns18.hichina.comns1.22.cnns1.alidns.comns2.alidns.comMXmxn.mxhichina.commxw.mxhichina.comA47.90.14.23247.90.20.1769.172.201.208CNAME2pc.netcs.ename.net
●NSdns17.hichina.com2020-01-26 → 2026-08-14 · 3 obs
○ 2017-06-25 16:56:50
● 2020-01-26 13:03:48
● 2026-08-14 01:22:48
●NSdns18.hichina.com2020-01-26 → 2026-08-14 · 3 obs
○ 2017-06-25 16:56:50
● 2020-01-26 13:03:48
● 2026-08-14 01:22:48
○NSns1.22.cn2017-06-25 → 2017-06-25 · 4 obs
○ 2016-03-23 09:24:24
● 2017-06-25 16:56:50
○ 2020-01-26 13:03:48
○ 2026-08-14 01:22:48
○NSns1.alidns.com2016-03-23 → 2016-03-23 · 3 obs
● 2016-03-23 09:24:24
○ 2017-06-25 16:56:50
○ 2026-08-14 01:22:48
○NSns2.alidns.com2016-03-23 → 2016-03-23 · 3 obs
● 2016-03-23 09:24:24
○ 2017-06-25 16:56:50
○ 2026-08-14 01:22:48
●MXmxn.mxhichina.com2020-01-26 → 2026-08-14 · 4 obs
● 2020-01-26 13:03:48
○ 2026-06-29 06:09:00
● 2026-07-09 05:06:08
● 2026-08-14 01:22:48
●MXmxw.mxhichina.com2020-01-26 → 2026-08-14 · 4 obs
● 2020-01-26 13:03:48
○ 2026-06-29 06:09:00
● 2026-07-09 05:06:08
● 2026-08-14 01:22:48
○A47.90.14.2322016-11-10 → 2016-11-29 · 5 obs
○ 2016-03-23 09:24:24
● 2016-11-10 19:58:16
● 2016-11-29 17:32:36
○ 2017-06-25 16:56:50
○ 2026-08-14 01:22:48
○A47.90.20.172016-11-10 → 2016-11-29 · 5 obs
○ 2016-03-23 09:24:24
● 2016-11-10 19:58:16
● 2016-11-29 17:32:36
○ 2017-06-25 16:56:50
○ 2026-08-14 01:22:48
○A69.172.201.2082016-03-23 → 2016-03-23 · 3 obs
● 2016-03-23 09:24:24
○ 2016-11-10 19:58:16
○ 2026-08-14 01:22:48
○CNAME2pc.net2016-03-23 → 2016-03-23 · 4 obs
○ 2015-12-19 10:41:44
● 2016-03-23 09:24:24
○ 2016-11-10 19:58:16
○ 2026-08-14 01:22:48
○CNAMEcs.ename.net2015-12-19 → 2015-12-19 · 3 obs
● 2015-12-19 10:41:44
○ 2016-03-23 09:24:24
○ 2026-08-14 01:22:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnc.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn...-
iucb.cndns17.hichina.com, dns18.hichina.com-

✅ Authoritative Response

Server:120.76.107.38

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iucb.cn (unsigned zone)

⏱️ Timing

Total: 1392ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns17.hichina.com, dns18.hichina.com
MX2mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)
TXT1v=spf1 include:spf.mxhichina.com -all
SOA1dns17.hichina.com hostmaster.hichina.com

Analysis

Name Servers

DNS delegation for iucb.cn points to two name servers: dns17.hichina.com and dns18.hichina.com.

The name server configuration of iucb.cn is shared with other domains, for instance julitang.com, hpsecondhand.com, fnrpg.com and two others.

iucb.cn partially shares its NS delegation with several other domains, including vf1688.com, longyuegs.com, ksgholding.com and two others.

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

Hosts with 9 IP addresses each:

dns17.hichina.com has IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, plus 6 other.

dns18.hichina.com has IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, plus 6 other.

Mail Servers

iucb.cn uses two mail servers, mxn.mxhichina.com and mxw.mxhichina.com.

The mail server setup of iucb.cn matches that of other domains such as 13888888.xyz, ztccs.com, bafishing.com.cn and two others.

At least some of the mail servers used by iucb.cn are shared with other domains: cnshuhai.com, bylme.com, chunjie.info and two others among them.

The mail servers mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com frequently co-occur with these mail servers.

Host names pointing to two IP addresses:

mxn.mxhichina.com has two IP addresses: 47.246.136.231 and 47.246.137.47.

Host names resolving to a single IP address:

mxw.mxhichina.com directs to 47.246.99.195.