`sysu.org`

DNSSEC	⚠️ Not signed
NS	`ns19.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns20.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxdomain.qq.com` ⭐
SOA	`ns19.xincache.com`enterprise1dnsadmin@dnspod.com serial=1576610568

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778310903

Same first word

sysu.ru

sysu.info

sysu.com.cn

sysu.org

sysu.wang

sysu.ca

sysu.io

sysu.nl

sysu.co.kr

sysu.net

sysu.org.cn

sysu.xyz

sysu.edu.cn

sysu.de

sysu.com

Similar names

usys.sk

usys.hu

susy.it

susy.co.uk

syus.be

suys.fr

susy.marketing

usys.cz

ysus.net

ssyu.com

usys.ru

susy.at

ssyu.net

suys.cz

yssu.com

susy.nl

ssuy.com

syus.cn

usys.com

ysus.com

suys.org

syus.com

yuss.fr

ussy.com

ysus.cn

susy.net

syus.us

usys.de

susy.jp

usys.se

usys.soccer

yuss.me

ussy.de

usys.net

susy.technology

susy.ca

susy.com

yuss.com

yuss.net

ussy.ru

yuss.ru

ysus.eu

usys.sg

usys.co.jp

susy.house

suys.cn

syus.site

susy.ch

usys.ch

usys.jp

ussy.net

ysus.de

yuss.co.jp

yuss.org

suys.net

susy.bot

usys.org

susy.org

DNS History

5 records (3 active, 2 former)

○NSns17.xincache.com2015-07-19 → 2016-05-06 · 4 obs

● 2015-07-19 04:39:02
● 2016-05-06 05:44:00
○ 2017-01-11 01:31:28
○ 2026-05-09 07:28:46

○NSns18.xincache.com2015-07-19 → 2016-05-06 · 4 obs

● 2015-07-19 04:39:02
● 2016-05-06 05:44:00
○ 2017-01-11 01:31:28
○ 2026-05-09 07:28:46

●NSns19.xincache.com2017-01-11 → 2026-05-09 · 3 obs

○ 2016-05-06 05:44:00
● 2017-01-11 01:31:28
● 2026-05-09 07:28:46

●NSns20.xincache.com2017-01-11 → 2026-05-09 · 3 obs

○ 2016-05-06 05:44:00
● 2017-01-11 01:31:28
● 2026-05-09 07:28:46

●MXmxdomain.qq.com2015-07-19 → 2026-05-09 · 2 obs

● 2015-07-19 04:39:02
● 2026-05-09 07:28:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
sysu.org	ns19.xincache.com, ns20.xincache.com	-

✅ Authoritative Response

Server:117.89.178.184

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysu.org (unsigned zone)

⏱️ Timing

Total: 940ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns19.xincache.com, ns20.xincache.com`
MX	1	`mxdomain.qq.com (pri: 10)`
SOA	1	`ns19.xincache.com enterprise1dnsadmin.dn`

Analysis

Name Servers

sysu.org's delegation is to two name servers ns19.xincache.com and ns20.xincache.com.

sysu.org shares the same name server configuration as other domains, such as nt-ld.com, ecrchina.org, i33.tv, laofengzhai.com and esyntime.com.

sysu.org at least partially shares its name servers with other domains, for instance kbn.net.cn, etsong.com, cartelchina.com, szvdt.com and cr13g.com.

These name servers are often used together with the name servers ns11.xincache.com.

Host names with 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. Host names with 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

sysu.org is served by a single mail server, mxdomain.qq.com.

sysu.org uses the same mail server setup as other domains such as semro.com.cn, lulugo.com, unioffer.net, 001games.com and xgtf.com.

sysu.org shares some mail servers with other domains, including cnseen.com, laofuzi.org, infopat.net, 3etimes.com and sanro.cn.

These mail servers are commonly used alongside the mail servers mxn.mxhichina.com and mxw.mxhichina.com.

sysu.org - robtex.com

sysu.org

org