yunclass.com - robtex.com

yunclass.com

DNSSEC⚠️ Not signed
A202.85.213.23🇨🇳 CHINA169-BJ202.85.212.0/22 register for user
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
PTRip-1-12-0-4.defastlink.net
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
PTRip-36-155-149-180.defastlink.net
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
PTRip-112-80-181-45.defastlink.net
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
PTRip-117-89-178-173.defastlink.net
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
PTRip-125-94-59-210.defastlink.net
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
PTRip-129-211-176-209.defastlink.net
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
PTRip-1-12-0-1.defastlink.net
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
PTRip-36-155-149-176.defastlink.net
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
PTRip-112-80-181-111.defastlink.net
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
PTRip-117-89-178-184.defastlink.net
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
PTRip-129-211-176-239.defastlink.net
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
PTRip-163-177-5-23.defastlink.net
MXmxbiz1.qq.com ⭐
A203.205.147.218🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
MXmxbiz2.qq.com(10)
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
SOAns11.xincache.comns12@xincache.com serial=1755507132

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=1771291435

Subdomains

www.yunclass.com

Same first word

yunclass.com

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns11.xincache.comns12.xincache.comns15.xincache.comns16.xincache.comMXmxbiz1.qq.commxbiz2.qq.com202.85.213.60A202.85.213.23182.48.118.210202.85.213.60
●NSns11.xincache.com2026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-13 16:37:28
● 2026-02-24 04:00:32
● 2026-03-24 02:20:02
●NSns12.xincache.com2026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-13 16:37:28
● 2026-02-24 04:00:32
● 2026-03-24 02:20:02
○NSns15.xincache.com2015-08-27 → 2017-10-13 · 4 obs
● 2015-08-27 16:57:30
● 2017-10-13 16:37:28
○ 2026-02-24 04:00:32
○ 2026-03-24 02:20:02
○NSns16.xincache.com2015-08-27 → 2017-10-13 · 4 obs
● 2015-08-27 16:57:30
● 2017-10-13 16:37:28
○ 2026-02-24 04:00:32
○ 2026-03-24 02:20:02
○MX202.85.213.602016-04-13 → 2016-09-03 · 4 obs
● 2016-04-13 07:26:02
● 2016-09-03 01:27:08
○ 2016-11-03 00:45:02
○ 2026-03-24 02:20:02
●MXmxbiz1.qq.com2017-08-26 → 2026-03-24 · 3 obs
○ 2016-11-03 00:45:02
● 2017-08-26 00:03:38
● 2026-03-24 02:20:02
●MXmxbiz2.qq.com2017-08-26 → 2026-03-24 · 3 obs
○ 2016-11-03 00:45:02
● 2017-08-26 00:03:38
● 2026-03-24 02:20:02
○A182.48.118.2102016-11-03 → 2017-10-13 · 5 obs
○ 2016-09-03 01:27:08
● 2016-11-03 00:45:02
● 2017-10-13 16:37:28
○ 2026-02-24 04:00:32
○ 2026-03-24 02:20:02
●A202.85.213.232026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-13 16:37:28
● 2026-02-24 04:00:32
● 2026-03-24 02:20:02
○A202.85.213.602015-08-27 → 2016-09-03 · 4 obs
● 2015-08-27 16:57:30
● 2016-09-03 01:27:08
○ 2016-11-03 00:45:02
○ 2026-03-24 02:20:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
yunclass.comns11.xincache.com, ns12.xincache.com12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yunclass.com (unsigned zone)

⏱️ Timing

Total: 212ms | Queries: -

📄 Records

TypeCountSample Data
A1202.85.213.23
NS2ns12.xincache.com, ns11.xincache.com
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
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

Hierarchy

yunclass.com is the parent of www.yunclass.com.

IP Addresses

yunclass.com resolves to a single IP address: 202.85.213.23.

Other host names, for instance www.yunclass.com, share IP numbers with yunclass.com.

Name Servers

yunclass.com's delegation uses two name servers, ns11.xincache.com and ns12.xincache.com.

yunclass.com shares the same name server setup as other domains, for example shjetrux.com, gq02.com, 315e.cn, lawwoo.com and actgr.com.

yunclass.com at least partially shares name servers with other domains, including safine.com, szobis.com, nanyue.net, zydp.net and qq017.com.

These name servers are typically used together with the name servers ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, ns19.xincache.com, ns20.xincache.com, ns15.xincache.com, ns16.xincache.com, ns17.xincache.com and ns18.xincache.com.

Eight IP numbers for host names:

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.

Seven IP numbers for host names:

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

yunclass.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

yunclass.com shares its mail server setup with other domains, including yxdd.com, tianyangnet.com, cnyun.net, bpt.cn and betowey.com.

yunclass.com shares some mail servers with other domains, for example boruizhi.com and thnu.edu.cn.

Host names with two IPs:

mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP:

mxbiz2.qq.com points to 203.205.232.191.

Names pointing to 203.205.232.191:

mxbiz1.qq.com and mxbiz2.qq.com.