sublearn.app - dns.ninja
sublearn.app
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
sublearn.app |
Similar names
DNS History
15 records (9 active, 6 former)
●NSdns20.ovh.net2026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
○NSns1.irandns.com2020-04-07 → 2020-04-07 · 3 obs
○ 2026-02-16 02:48:04
○ 2026-07-14 08:54:18
○NSns2.irandns.com2020-04-07 → 2020-04-07 · 3 obs
○ 2026-02-16 02:48:04
○ 2026-07-14 08:54:18
●NSns20.ovh.net2026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
○NSns3.irandns.com2020-04-07 → 2020-04-07 · 3 obs
○ 2026-02-16 02:48:04
○ 2026-07-14 08:54:18
○NSns4.irandns.com2020-04-07 → 2020-04-07 · 3 obs
○ 2026-02-16 02:48:04
○ 2026-07-14 08:54:18
○MXmail.sublearn.app2020-04-07 → 2020-04-07 · 3 obs
○ 2026-02-16 02:48:04
○ 2026-07-14 08:54:18
●MXmx1.mail.ovh.net2026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
●MXmx2.mail.ovh.net2026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
●MXmx3.mail.ovh.net2026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
●MXmxa.eu.mailgun.org2026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
●MXmxb.eu.mailgun.org2026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
○A185.50.38.862020-04-07 → 2020-04-07 · 3 obs
○ 2026-02-16 02:48:04
○ 2026-07-14 08:54:18
●A2a09:8280:1::70:45fb:02026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
●A66.241.124.952026-02-16 → 2026-07-14 · 3 obs
● 2026-02-16 02:48:04
● 2026-07-14 08:54:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| sublearn.app | ns20.ovh.net, dns20.ovh.net | - |
✅ Authoritative Response
Server:5.135.43.97
NS records: ns20.ovh.net, dns20.ovh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1037ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.241.124.95 |
| AAAA | 1 | 2a09:8280:1::70:45fb:0 |
| NS | 2 | ns20.ovh.net, dns20.ovh.net |
| MX | 5 | mxa.eu.mailgun.org (pri: 10), mx3.mail.ovh.net (pri: 100)... |
| TXT | 1 | v=spf1 include:mx.ovh.com include:mailgu |
| SOA | 1 | dns20.ovh.net tech.ovh.net |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
sublearn.app directs to two IP numbers, 66.241.124.95 and 2a09:8280:1::70:45fb:0
Among the host names that share IP numbers with sublearn.app are kingofspades.net, www.bnn.mx, intercode.fly.dev and two others.
Name Servers
sublearn.app uses two name servers for its delegation: dns20.ovh.net and ns20.ovh.net.
sublearn.app has the same name server delegation as a number of other domains, such as legionelle.fr, raphaelfinance.com, domainedelapinte.com and two more.
At least some of sublearn.app's name servers are also used by other domains, among them netcatalyst.fr.
The two host names dns20.ovh.net and ns20.ovh.net each have a pair of IP addresses: dns20.ovh.net has 5.135.249.213 and 2001:41d0:d00:f900::2, and ns20.ovh.net has 5.135.43.97 and 2001:41d0:b00:f300::2.
Mail Servers
Mail for sublearn.app is handled by five mail servers, namely mx1.mail.ovh.net, mx2.mail.ovh.net, mx3.mail.ovh.net and two others.
sublearn.app shares at least some of its mail servers with other domains — for example br1.biz, moto-land.lu, brunolhermet.eu and two more.
It is common to find these mail servers paired with mail servers mxa.eu.mailgun.org, mxb.eu.mailgun.org, mx4.mail.ovh.net and 6 more.
Hosts that resolve to one IP address:
mx1.mail.ovh.net has the IP address 188.165.36.237.
mx2.mail.ovh.net has the IP address 87.98.160.167.
mx3.mail.ovh.net has the IP address 91.121.53.175.
mxa.eu.mailgun.org has the IP address 34.111.130.244.
mxb.eu.mailgun.org has the IP address 34.111.130.244.
Both mxa.eu.mailgun.org and mxb.eu.mailgun.org resolve to 34.111.130.244 IP addresses each.