yudao.cc - robtex.com
yudao.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 39.97.55.25🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| NS | vip3.alidns.com ⭐ | ||||||
| A | 2408:4009:500::3🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.3🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.5🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 170.33.32.210🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.40.136🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.26🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.10🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | vip4.alidns.com | ||||||
| A | 2408:4009:500::4🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.4🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.6🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 170.33.32.211🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.40.137🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.27🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.11🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | vip3.alidns.comhostmaster@hichina.com 2026-06-02 #16 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1785710953 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
○NSdns10.hichina.com2016-05-02 → 2019-02-27 · 5 obs
● 2016-05-02 23:19:56
● 2019-02-27 00:39:52
○ 2026-07-09 15:13:42
○ 2026-08-02 23:20:26
○NSdns9.hichina.com2016-05-02 → 2019-02-27 · 5 obs
● 2016-05-02 23:19:56
● 2019-02-27 00:39:52
○ 2026-07-09 15:13:42
○ 2026-08-02 23:20:26
○NSns.95ns.com2015-06-17 → 2016-02-01 · 4 obs
● 2016-02-01 05:06:04
○ 2016-05-02 23:19:56
○ 2026-08-02 23:20:26
○NSns.95ns.net2015-06-17 → 2016-02-01 · 4 obs
● 2016-02-01 05:06:04
○ 2016-05-02 23:19:56
○ 2026-08-02 23:20:26
●NSvip3.alidns.com2026-07-09 → 2026-08-02 · 3 obs
● 2026-07-09 15:13:42
● 2026-08-02 23:20:26
●NSvip4.alidns.com2026-07-09 → 2026-08-02 · 3 obs
● 2026-07-09 15:13:42
● 2026-08-02 23:20:26
○MXmail.my-1.cn2015-06-17 → 2016-02-01 · 4 obs
● 2016-02-01 05:06:04
○ 2016-05-02 23:19:56
○ 2026-08-02 23:20:26
○MXmail.zndns.net2015-06-17 → 2016-02-01 · 4 obs
● 2016-02-01 05:06:04
○ 2016-05-02 23:19:56
○ 2026-08-02 23:20:26
●MXmxbiz1.qq.com2026-07-09 → 2026-08-02 · 3 obs
● 2026-07-09 15:13:42
● 2026-08-02 23:20:26
●MXmxbiz2.qq.com2026-07-09 → 2026-08-02 · 3 obs
● 2026-07-09 15:13:42
● 2026-08-02 23:20:26
○A101.201.77.1872017-02-05 → 2019-02-27 · 5 obs
● 2017-02-05 15:50:30
● 2019-02-27 00:39:52
○ 2026-07-09 15:13:42
○ 2026-08-02 23:20:26
○A182.92.98.1022016-05-02 → 2016-05-02 · 4 obs
● 2016-05-02 23:19:56
○ 2017-02-05 15:50:30
○ 2026-08-02 23:20:26
●A39.97.55.252026-07-09 → 2026-08-02 · 3 obs
● 2026-07-09 15:13:42
● 2026-08-02 23:20:26
○A98.126.8.2022015-06-17 → 2016-02-01 · 4 obs
● 2016-02-01 05:06:04
○ 2016-05-02 23:19:56
○ 2026-08-02 23:20:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | 8 records |
| yudao.cc | vip3.alidns.com, vip4.alidns.com | - |
✅ Authoritative Response
Server:170.33.80.10
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yudao.cc (unsigned zone)
⏱️ Timing
Total: 872ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 39.97.55.25 |
| NS | 2 | vip4.alidns.com, vip3.alidns.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ac1.nstld.com, ac1.nstld.com, ac2.nstld.com...)
Analysis
IP Addresses
yudao.cc resolves to just one IP address, 39.97.55.25.
Name Servers
yudao.cc has two authoritative name servers — vip3.alidns.com and vip4.alidns.com.
yudao.cc shares its NS records with other domains, for example campushoy.com, rwpd.com, teeni.com and two others.
There is at least partial name server overlap between yudao.cc and other domains — iucdn.com, hanyougame.com, fengzl.com and two more among them.
These name servers frequently co-occur with the name servers vip1.alidns.com and vip2.alidns.com.
DNS names with 7 IP addresses:
vip3.alidns.com points to 8.212.93.3, 140.205.1.5, 170.33.32.210 and 4 other IP addresses.
vip4.alidns.com points to 8.212.93.4, 140.205.1.6, 170.33.32.211 and 4 other IP addresses.
Mail Servers
yudao.cc is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.
Among the domains sharing a mail server setup with yudao.cc are pu-yi.com, semcmd.com, eroluxe.com and two others.
Some mail servers of yudao.cc are also used by other domains, notably mail.we2do.cn and dstp.com.