learncpp.cn - robtex.com
learncpp.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 62.146.173.132🇩🇪 CONTABO-USA62.146.168.0/21 CONTABO | ||||||
| PTR | vmi3396735.contaboserver.net | ||||||
| NS | jack.dnspod.net ⭐ | ||||||
| A | 2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40 | ||||||
| A | 1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM | ||||||
| A | 1.14.119.35🇨🇳 TENCENT-NET-AP1.14.64.0/18 | ||||||
| A | 111.13.13.35🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route) | ||||||
| A | 117.89.178.35🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC | ||||||
| A | 220.196.136.35🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24 | ||||||
| NS | ivan.dnspod.net | ||||||
| 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 | 1.13.76.35🇨🇳 TENCENT-NET-AP1.13.64.0/18 | ||||||
| A | 36.155.149.35🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route) | ||||||
| A | 101.227.168.35🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC | ||||||
| A | 111.206.98.235🇨🇳 CHINA169-BJ111.206.98.0/24 | ||||||
| SOA | jack.dnspod.netfreednsadmin@dnspod.com serial=1785857080 | ||||||
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=2035237634 | ||||||
Same first word
Similar names
naclprep.com |
pcplaner.de |
rpcplane.dev |
pprclean.com |
prepclan.in |
cnrapple.com |
learnppc.info |
clareppn.ie |
learnppc.com |
precplan.net |
learnppc.org |
nclapper.com |
Previous names
learn2fly.cn |
learn4fun.cn |
learn5.cn |
learnaac.cn |
learnamerica.cn |
learnart.cn |
learnbee.cn |
learnblockchain.cn |
learnbuddy.cn |
learncer.cn |
learnchinese.cn |
Next names
learndevops.cn |
learndirect.cn |
learndo.cn |
learndream.cn |
learnearnmoney.cn |
learnedu.cn |
learnenglish.cn |
learner.cn |
learnera.cn |
learners.cn |
learnew.cn |
learnexcel.cn |
learnhard.cn |
learnhome.cn |
DNS History
5 records (3 active, 2 former)
○NSdns10.hichina.com2016-08-13 → 2017-04-18 · 4 obs
● 2017-04-18 16:38:54
○ 2026-08-22 11:33:12
○ 2026-08-29 16:21:36
○NSdns9.hichina.com2016-08-13 → 2017-04-18 · 4 obs
● 2017-04-18 16:38:54
○ 2026-08-22 11:33:12
○ 2026-08-29 16:21:36
●NSivan.dnspod.net2026-08-22 → 2026-08-29 · 3 obs
● 2026-08-22 11:33:12
● 2026-08-29 16:21:36
●NSjack.dnspod.net2026-08-22 → 2026-08-29 · 3 obs
● 2026-08-22 11:33:12
● 2026-08-29 16:21:36
●A62.146.173.1322026-08-22 → 2026-08-29 · 4 obs
○ 2026-08-28 03:28:52
● 2026-08-28 07:40:54
● 2026-08-29 16:21:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| learncpp.cn | ivan.dnspod.net, jack.dnspod.net | - |
✅ Authoritative Response
Server:36.155.149.35
NS records: ivan.dnspod.net, jack.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learncpp.cn (unsigned zone)
⏱️ Timing
Total: 2105ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.146.173.132 |
| NS | 2 | jack.dnspod.net, ivan.dnspod.net |
| SOA | 1 | jack.dnspod.net freednsadmin.dnspod.com |
Analysis
IP Addresses
learncpp.cn directs to one IP number, which is 62.146.173.132.
Among the host names that share IP numbers with learncpp.cn are browser-use.cn, mujoco.cn, scipy.org.cn and two others.
Name Servers
learncpp.cn is served by two delegated name servers, ivan.dnspod.net and jack.dnspod.net.
learncpp.cn has the same name server delegation as a number of other domains, such as mqtt.org.cn, tanzaniaembassy.org.cn, disian.cn and two more.
There is an overlap in name servers between learncpp.cn and other domains, for example bailu.org, material-ui-pickers.dev and dzone.com.cn
These name servers are frequently seen alongside the name servers f1g1ns1.dnspod.net.
Host names resolving to 6 IP numbers:
ivan.dnspod.net carries IP addresses 1.12.0.1, 1.13.76.35 and 36.155.149.35, with 3 other addresses beyond those.
jack.dnspod.net carries IP addresses 1.12.0.4, 1.14.119.35 and 111.13.13.35, with 3 other addresses beyond those.