utcsz.com - robtex.com

utcsz.com

DNSSEC⚠️ Not signed
A23.105.199.6🇺🇸 IT-123.105.192.0/19 IT7 Networks Inc
PTR23.105.199.6.16clouds.com
NSdns9.hichina.com ⭐
A2408:4009:501::17🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.112🇨🇳 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,
A139.224.142.122🇨🇳 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,
NSdns10.hichina.com
A2408:4009:501::18🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.111🇨🇳 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,
A139.224.142.121🇨🇳 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,
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAdns9.hichina.comhostmaster@hichina.com 2026-01-12 #9

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=1785404352

Subdomains

www.utcsz.com

Same first word

utcsz.com

Similar names

zusct.cz
ctsuz.com
scutz.cn
tsczu.cn
czust.edu.cn
tsczu.com.cn
czust.com
zutsc.pl
czstu.com

DNS History

9 records (5 active, 4 former)

2017201820192020202120222023202420252026NSdns10.hichina.comdns9.hichina.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netMXmxbiz1.qq.commxbiz2.qq.comA23.105.199.6173.82.77.25123.244.164.191
●NSdns10.hichina.com2026-04-06 → 2026-07-30 · 3 obs
○ 2018-01-04 10:29:04
● 2026-04-06 23:45:06
● 2026-07-30 09:42:26
●NSdns9.hichina.com2026-04-06 → 2026-07-30 · 3 obs
○ 2018-01-04 10:29:04
● 2026-04-06 23:45:06
● 2026-07-30 09:42:26
○NSf1g1ns1.dnspod.net2016-01-29 → 2018-01-04 · 4 obs
● 2016-01-29 13:57:44
● 2018-01-04 10:29:04
○ 2026-04-06 23:45:06
○ 2026-07-30 09:42:26
○NSf1g1ns2.dnspod.net2016-01-29 → 2016-04-22 · 4 obs
● 2016-01-29 13:57:44
● 2016-04-22 22:28:16
○ 2026-04-06 23:45:06
○ 2026-07-30 09:42:26
●MXmxbiz1.qq.com2016-01-29 → 2026-07-30 · 2 obs
● 2016-01-29 13:57:44
● 2026-07-30 09:42:26
●MXmxbiz2.qq.com2016-01-29 → 2026-07-30 · 2 obs
● 2016-01-29 13:57:44
● 2026-07-30 09:42:26
○A173.82.77.2512018-01-04 → 2018-01-04 · 4 obs
○ 2016-04-22 22:28:16
● 2018-01-04 10:29:04
○ 2026-04-06 23:45:06
○ 2026-07-30 09:42:26
●A23.105.199.62026-04-06 → 2026-07-30 · 3 obs
○ 2018-01-04 10:29:04
● 2026-04-06 23:45:06
● 2026-07-30 09:42:26
○A23.244.164.1912016-01-29 → 2016-04-22 · 4 obs
● 2016-01-29 13:57:44
● 2016-04-22 22:28:16
○ 2018-01-04 10:29:04
○ 2026-07-30 09:42:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...-
utcsz.comdns9.hichina.com, dns10.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for utcsz.com (unsigned zone)

⏱️ Timing

Total: 4377ms | Queries: -

📄 Records

TypeCountSample Data
A123.105.199.6
NS2dns10.hichina.com, dns9.hichina.com
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
TXT1v=spf1 include:spf.mail.qq.com ~all
SOA1dns9.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

Hierarchy

www.utcsz.com is delegated beneath utcsz.com.

IP Addresses

utcsz.com has exactly one IP address — 23.105.199.6.

23.105.199.6.16clouds.com, sistbiotech.com, yunxuantool.com plus two other host names have IP numbers in common with utcsz.com.

Name Servers

DNS delegation for utcsz.com points to two name servers: dns10.hichina.com and dns9.hichina.com.

The name server configuration of utcsz.com is shared with other domains, for instance baiing.cn, liyuu.com, dingjing.cn and two others.

Some name servers delegated to utcsz.com are also used by other domains, notably customgo.net and hekunsz.com.

These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns10.hichina.com has IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, plus 6 other.

dns9.hichina.com has IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, plus 6 other.

Mail Servers

utcsz.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of utcsz.com matches that of other domains such as qingdaohk.com, ceptg.com, nblongxing.com and two others.

Some mail servers of utcsz.com are also used by other domains, notably cszcd.cn and itteng.com.