learndev.org - dns.ninja
learndev.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:831a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:3bc🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.3.188Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.131.26🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jihoon.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2ce9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jihoon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jihoon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23e9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jihoon.ns.cloudflare.com | ||||||
| A | 108.162.195.233🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jihoon.ns.cloudflare.com | ||||||
| A | 162.159.44.233Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jihoon.ns.cloudflare.com | ||||||
| A | 172.64.35.233🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jihoon.ns.cloudflare.com | ||||||
| NS | mary.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a86🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c086🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2086🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 108.162.192.134🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 172.64.32.134🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| A | 173.245.58.134🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mary.ns.cloudflare.com | ||||||
| MX | mx001.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.128🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx31.oxsus-vadesecure.net | ||||||
| MX | mx002.netsol.xion.oxcs.net ⭐ | ||||||
| A | 173.45.18.129🇨🇦 AMC173.45.16.0/22 | ||||||
| PTR | mx32.oxsus-vadesecure.net | ||||||
| TXT | v=spf1 include:spf.cloudus.oxcs.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.3.188, 172.67.131.26 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:831a, 2606:4700:3037::6815:3bc | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=153, name=cloudflare-ech.com | ||||||
| SOA | jihoon.ns.cloudflare.comdns@cloudflare.com serial=2406034426 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1783447973 | ||||||
Same first word
Similar names
DNS History
14 records (8 active, 6 former)
●NSjihoon.ns.cloudflare.com2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:02:40
● 2026-07-07 18:30:58
●NSmary.ns.cloudflare.com2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:02:40
● 2026-07-07 18:30:58
○NSns3.worldnic.com2015-08-03 → 2017-02-04 · 4 obs
● 2017-02-04 15:28:26
○ 2026-02-17 16:02:40
○ 2026-07-07 18:30:58
○NSns4.worldnic.com2015-08-03 → 2017-02-04 · 4 obs
● 2017-02-04 15:28:26
○ 2026-02-17 16:02:40
○ 2026-07-07 18:30:58
○MXinbound.learndev.org.netsolmail.net2015-08-03 → 2017-02-04 · 4 obs
● 2017-02-04 15:28:26
○ 2026-02-17 16:02:40
○ 2026-07-07 18:30:58
●MXmx001.netsol.xion.oxcs.net2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:02:40
● 2026-07-07 18:30:58
●MXmx002.netsol.xion.oxcs.net2026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:02:40
● 2026-07-07 18:30:58
●A104.21.3.1882026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:02:40
● 2026-07-07 18:30:58
●A172.67.131.262026-02-17 → 2026-07-07 · 3 obs
● 2026-02-17 16:02:40
● 2026-07-07 18:30:58
○A206.188.192.1472015-08-03 → 2017-02-04 · 4 obs
● 2017-02-04 15:28:26
○ 2026-02-17 16:02:40
○ 2026-07-07 18:30:58
●A2606:4700:3034::ac43:831a2026-07-07 → 2026-07-07 · 2 obs
● 2026-07-07 18:30:58
○A2606:4700:3035::6815:3bc2026-02-17 → 2026-02-17 · 3 obs
● 2026-02-17 16:02:40
○ 2026-07-07 18:30:58
●A2606:4700:3037::6815:3bc2026-07-07 → 2026-07-07 · 2 obs
● 2026-07-07 18:30:58
○A2606:4700:3037::ac43:831a2026-02-17 → 2026-02-17 · 3 obs
● 2026-02-17 16:02:40
○ 2026-07-07 18:30:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| learndev.org | mary.ns.cloudflare.com, jihoon.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.233
NS records: mary.ns.cloudflare.com, jihoon.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learndev.org (unsigned zone)
⏱️ Timing
Total: 528ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.3.188, 172.67.131.26 |
| AAAA | 2 | 2606:4700:3034::ac43:831a, 2606:4700:3037::6815:3bc |
| NS | 2 | jihoon.ns.cloudflare.com, mary.ns.cloudflare.com |
| MX | 2 | mx001.netsol.xion.oxcs.net (pri: 10), mx002.netsol.xion.oxcs.net (pri: 10) |
| TXT | 1 | v=spf1 include:spf.cloudus.oxcs.net ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jihoon.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
learndev.org points to the four IP addresses 104.21.3.188, 172.67.131.26, 2606:4700:3034::ac43:831a and 2606:4700:3037::6815:3bc.
norcalolds.com, refholod.com.ua, www.lottomax.ca plus two other host names have IP numbers in common with learndev.org.
Name Servers
The NS records for learndev.org delegate to jihoon.ns.cloudflare.com and mary.ns.cloudflare.com.
The name server configuration of learndev.org is shared with other domains, for instance ilovedreams.de, webbeez.in, luminarentoviaexarion.com and two others.
There is at least partial name server overlap between learndev.org and other domains — ginb.ru, stupidstuff.org, ngahulum.com and two more among them.
These name servers are routinely deployed together with the name servers rob.ns.cloudflare.com.
Hosts with 6 IP addresses each:
jihoon.ns.cloudflare.com maps to 108.162.195.233, 162.159.44.233, 172.64.35.233 and 3 additional IP addresses.
mary.ns.cloudflare.com maps to 108.162.192.134, 172.64.32.134, 173.245.58.134 and 3 additional IP addresses.
Mail Servers
learndev.org uses two mail servers, mx001.netsol.xion.oxcs.net and mx002.netsol.xion.oxcs.net.
The mail server setup of learndev.org matches that of other domains such as eventcreators.com, epic.am, disstudio.com and two others.
At least some of the mail servers used by learndev.org are shared with other domains: trattoriadelia.com, bonish.com, feshanphils.com and two others among them.
These mail servers are routinely seen in conjunction with the mail servers mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net.
mx001.netsol.xion.oxcs.net → 173.45.18.128 and mx002.netsol.xion.oxcs.net → 173.45.18.129: one IP number per host name.