duolebo.com - robtex.com
duolebo.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Subdomains
Same first word
Similar names
boudelo.be |
odouble.com |
duobole.com |
ouboled.com |
boluode.cn |
boleduo.com |
boloedu.com |
boodleu.com |
doubleo.nl |
doubleo.net |
doubleo.co.za |
DNS History
7 records (4 active, 3 former)
○NSf1g1ns1.dnspod.net2015-06-06 → 2017-07-05 · 4 obs
● 2017-07-05 13:52:24
○ 2026-03-20 18:21:42
○ 2026-03-20 18:21:46
○NSf1g1ns2.dnspod.net2015-06-06 → 2017-07-05 · 4 obs
● 2017-07-05 13:52:24
○ 2026-03-20 18:21:42
○ 2026-03-20 18:21:46
●NSns3.dnsv2.com2026-03-20 → 2026-03-20 · 3 obs
● 2026-03-20 18:21:42
● 2026-03-20 18:21:46
●NSns4.dnsv2.com2026-03-20 → 2026-03-20 · 3 obs
● 2026-03-20 18:21:42
● 2026-03-20 18:21:46
●MXmx.mail.ym.163.com2015-06-06 → 2026-03-20 · 2 obs
● 2026-03-20 18:21:46
●A182.92.131.2362026-03-20 → 2026-03-20 · 3 obs
● 2026-03-20 18:21:42
● 2026-03-20 18:21:46
○A182.92.7.1302015-06-06 → 2017-07-05 · 4 obs
● 2017-07-05 13:52:24
○ 2026-03-20 18:21:42
○ 2026-03-20 18:21:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duolebo.com | ns3.dnsv2.com, ns4.dnsv2.com | 15 records |
✅ Authoritative Response
Server: 1.12.0.30
NS records: ns3.dnsv2.com, ns4.dnsv2.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duolebo.com (unsigned zone)
⏱️ Timing
Total: 437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 182.92.131.236 |
| NS | 2 | ns3.dnsv2.com, ns4.dnsv2.com |
| MX | 1 | mx.mail.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:182.92.131.236 +ip4:1 |
| SOA | 1 | ns3.dnsv2.com level3dnsadmin.dnspod.com |
📌 Glue Records Collected
Total: 15
Out-of-bailiwick: 15 (ns3.dnsv2.com, ns3.dnsv2.com, ns3.dnsv2.com...)
Analysis
Hierarchy
duolebo.com is a parent of cdn02.duolebo.com and cdn07.duolebo.com.
IP Addresses
duolebo.com resolves to one IP number: 182.92.131.236.
Other host names, for instance zhilink.net, share IP numbers with duolebo.com.
Name Servers
duolebo.com is delegated to two name servers ns3.dnsv2.com and ns4.dnsv2.com.
duolebo.com shares the same name server setup as other domains, for instance phb123.com, stjinfa.com, awskll.cn, 1x3x.com and sg28.cn.
duolebo.com at least partially shares name servers with other domains, for instance cold001.cn, xuefa.com, kaixining8.com, wenext.chat and jxpays.com.
These name servers are commonly used alongside maria.dnspod.net and trousers.dnspod.net.
Eight IP numbers for a host:
ns3.dnsv2.com points to: 2402:4e00:1470:2::12, 1.12.0.29, 1.13.76.55, 111.13.203.55, 117.135.128.155, 125.94.59.155, 163.177.5.55 and 220.196.136.55.
Seven IP numbers for a host:
ns4.dnsv2.com points to: 2402:4e00:111:fff::f, 1.12.0.30, 1.14.119.55, 36.155.149.55, 49.7.107.155, 101.227.168.55 and 124.64.205.155.
Mail Servers
duolebo.com is handled by a single mail server, mx.mail.ym.163.com.
duolebo.com shares the same mail server setup as other domains, for instance sclxjs.com, enjoybedding.com, gfbi.cn, cnccss.cn and aogun.com.
duolebo.com shares at least partially some mail servers with other domains, including total-union.com, seahisun.com and gobuydental.com.
mx.mail.ym.163.com resolves to IP 111.124.200.35.