duloingo.com - dns.ninja
duloingo.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=1786390054 | ||||||
Same first word
duloingo.com |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.parkingcrew.net2015-05-14 → 2026-08-10 · 2 obs
● 2026-08-10 19:48:48
●NSns2.parkingcrew.net2015-05-14 → 2026-08-10 · 2 obs
● 2026-08-10 19:48:48
●MXmail.h-email.net2015-05-14 → 2026-08-10 · 11 obs
● 2026-02-18 01:18:46
○ 2026-02-18 22:22:18
● 2026-02-20 00:24:24
● 2026-03-30 18:16:24
○ 2026-04-02 17:55:44
● 2026-04-05 10:06:42
● 2026-05-05 04:12:36
○ 2026-05-10 10:08:56
● 2026-05-11 08:27:32
● 2026-08-10 19:48:48
○A104.247.81.522021-04-28 → 2021-04-28 · 4 obs
● 2021-04-28 22:59:22
○ 2026-02-16 00:33:14
○ 2026-08-10 19:48:48
●A104.247.81.992026-02-16 → 2026-08-10 · 9 obs
● 2026-02-16 00:33:14
● 2026-04-12 00:15:18
○ 2026-04-12 18:51:40
● 2026-04-14 00:39:04
● 2026-05-05 04:12:36
○ 2026-05-10 10:08:56
● 2026-05-11 08:27:32
● 2026-08-10 19:48:48
○A185.53.177.62015-05-14 → 2016-09-23 · 7 obs
● 2015-10-15 04:56:24
○ 2016-01-03 18:06:40
○ 2016-04-03 13:00:06
● 2016-09-23 02:56:58
○ 2017-05-15 14:36:00
○ 2026-08-10 19:48:48
○A185.53.177.82016-01-03 → 2016-01-03 · 4 obs
● 2016-01-03 18:06:40
○ 2016-04-03 13:00:06
○ 2026-08-10 19:48:48
○A185.53.178.992026-04-12 → 2026-04-12 · 4 obs
● 2026-04-12 18:51:40
○ 2026-04-14 00:39:04
○ 2026-08-10 19:48:48
○A185.53.179.62017-05-15 → 2017-05-15 · 4 obs
● 2017-05-15 14:36:00
○ 2021-04-28 22:59:22
○ 2026-08-10 19:48:48
○A54.72.9.512016-04-03 → 2016-04-03 · 4 obs
● 2016-04-03 13:00:06
○ 2016-09-23 02:56:58
○ 2026-08-10 19:48:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duloingo.com | ns1.parkingcrew.net, ns2.parkingcrew.net | - |
✅ Authoritative Response
Server:76.223.21.9
NS records: ns1.parkingcrew.net, ns2.parkingcrew.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duloingo.com (unsigned zone)
⏱️ Timing
Total: 1361ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.247.81.99 |
| NS | 2 | ns1.parkingcrew.net, ns2.parkingcrew.net |
| MX | 1 | mail.h-email.net (pri: 5) |
| TXT | 1 | v=spf1 ip6:fd1b:212c:a5f9::/48 -all |
| SOA | 1 | ns1.parkingcrew.net hostmaster.duloingo. |
Analysis
IP Addresses
duloingo.com has exactly one IP address — 104.247.81.99.
diabete.ch, mx.wednesday.it, fireco.es plus two other host names have IP numbers in common with duloingo.com.
Name Servers
Two name servers handle the delegation for duloingo.com: ns1.parkingcrew.net and ns2.parkingcrew.net.
The name server configuration of duloingo.com is shared with other domains, for instance lenovo.pro, mwvkustomz.com, 0sync.dedicatedpool.com and two others.
duloingo.com shares at least some of its name servers with other domains, including static-157.238.194.14-tataidc.co.in, 145.6.static-ernakulam.tcl.net.in, int1.darkorbit.oyun.www.ciber(0x736578)osinpagar.com and two others.
ns1.parkingcrew.net and ns2.parkingcrew.net each resolve to one IP number: ns1.parkingcrew.net points to 13.248.158.159 and ns2.parkingcrew.net points to 76.223.21.9.
Mail Servers
duloingo.com uses one mail server — mail.h-email.net.
The mail server setup of duloingo.com matches that of other domains such as mpresult.com, mail.services.flow-interactive.com, 000229.com and two others.
mail.h-email.net has 10 IP addresses: 5.75.171.74, 5.161.98.212, 5.161.194.135 plus 7 more.