ulearning.cn - dns.ninja
ulearning.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.hichina.com ⚠️ Not in zone NS records | ||||||
| A | 2408:4009:501::9🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.63🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.213🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.63🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 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, | ||||||
| A | 139.224.142.123🇨🇳 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, | ||||||
| NS | dns2.hichina.com ⚠️ Not in zone NS records | ||||||
| A | 2408:4009:501::10🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114🇨🇳 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, | ||||||
| A | 139.224.142.124🇨🇳 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, | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034990293 | ||||||
Subdomains
courseapi.ulearning.cn |
leicloud.ulearning.cn |
kcsz.ulearning.cn |
tskcloud.ulearning.cn |
static.ulearning.cn |
api.ulearning.cn |
obscloud.ulearning.cn |
Same first word
ulearning.app |
ulearning.com.au |
ulearning.org |
ulearning.asia |
ulearning.ir |
ulearning.net |
ulearning.vn |
ulearning.com |
ulearning.cn |
Similar names
nurgenial.de |
neuralign.xyz |
anilguner.com |
neuralign.com |
neuralgin.com |
neuraling.com |
learningu.org |
learningu.net |
guanliren.cn |
DNS History
9 records (2 active, 7 former)
●NSdns1.hichina.com2026-02-15 → 2026-07-01 · 3 obs
● 2026-02-15 05:21:20
● 2026-07-01 10:52:38
○NSdns10.hichina.com2015-06-24 → 2016-10-26 · 4 obs
● 2016-10-26 05:34:12
○ 2017-06-05 09:30:20
○ 2026-07-01 10:52:38
●NSdns2.hichina.com2026-02-15 → 2026-07-01 · 3 obs
● 2026-02-15 05:21:20
● 2026-07-01 10:52:38
○NSdns9.hichina.com2015-06-24 → 2016-10-26 · 4 obs
● 2016-10-26 05:34:12
○ 2017-06-05 09:30:20
○ 2026-07-01 10:52:38
○NSvip1.alidns.com2017-06-05 → 2017-06-05 · 4 obs
● 2017-06-05 09:30:20
○ 2026-02-15 05:21:20
○ 2026-07-01 10:52:38
○NSvip2.alidns.com2017-06-05 → 2017-06-05 · 4 obs
● 2017-06-05 09:30:20
○ 2026-02-15 05:21:20
○ 2026-07-01 10:52:38
○MXmx.ym.163.com2015-06-24 → 2016-04-27 · 4 obs
● 2016-04-27 14:09:28
○ 2016-10-26 05:34:12
○ 2026-07-01 10:52:38
○MXqiye163mx01.mxmail.netease.com2016-10-26 → 2017-06-05 · 4 obs
● 2016-10-26 05:34:12
● 2017-06-05 09:30:20
○ 2026-07-01 10:52:38
○MXqiye163mx02.mxmail.netease.com2016-10-26 → 2017-06-05 · 4 obs
● 2016-10-26 05:34:12
● 2017-06-05 09:30:20
○ 2026-07-01 10:52:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| ulearning.cn | dns1.hichina.com, dns2.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.114
NS records: dns1.hichina.com, dns2.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ulearning.cn (unsigned zone)
⏱️ Timing
Total: 2882ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.hichina.com, dns2.hichina.com |
| MX | 2 | qiye163mx01.mxmail.netease.com (pri: 5), qiye163mx02.mxmail.netease.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com ~all |
| SOA | 1 | dns1.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
ulearning.cn serves as parent to courseapi.ulearning.cn, leicloud.ulearning.cn, kcsz.ulearning.cn, tskcloud.ulearning.cn, static.ulearning.cn along with a few other host names.
Name Servers
Two name servers handle the delegation for ulearning.cn: dns1.hichina.com and dns2.hichina.com.
The name server configuration of ulearning.cn is shared with other domains, for instance ytjcsh.com, xjsanyou.com, jujinpan.cn and two others.
ulearning.cn has at least partial name server overlap with other domains, such as youmanduo.com, empress.net, coinvs.com and two others.
It is common to see these name servers used together with name servers ns1.alidns.com and ns2.alidns.com.
Hosts with 9 IP addresses each:
dns1.hichina.com resolves to 39.96.153.43, 39.96.153.63 and 47.118.199.203 among others, with 6 other IP addresses in total.
dns2.hichina.com resolves to 39.96.153.44, 39.96.153.54 and 47.118.199.204 among others, with 6 other IP addresses in total.