javascriptdevcourse.info - dns.ninja
javascriptdevcourse.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:461d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:dace🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.70.29Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.218.206🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | felicity.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cd4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | felicity.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3d4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | felicity.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23d4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | felicity.ns.cloudflare.com | ||||||
| A | 108.162.195.212🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | felicity.ns.cloudflare.com | ||||||
| A | 162.159.44.212Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | felicity.ns.cloudflare.com | ||||||
| A | 172.64.35.212🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | felicity.ns.cloudflare.com | ||||||
| NS | nia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 108.162.192.210🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 172.64.32.210🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 173.245.58.210🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| MX | _dc-mx.98a7ffcb3f4c.javascriptdevcourse.info ⭐ | ||||||
| A | 185.93.222.34🇺🇸 AS395092185.93.220.0/22 | ||||||
| TXT | v=spf1 a mx include:relay.mailchannels.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.70.29, 172.67.218.206 | ||||||
| IPv6 hints | 2606:4700:3032::6815:461d, 2606:4700:3032::ac43:dace | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com | ||||||
| SOA | felicity.ns.cloudflare.comdns@cloudflare.com serial=2412744119 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1788198842 | ||||||
Same first word
javascriptdevcourse.info |
Previous names
Next names
javascripte.info |
javascripthelper.info |
javascripts.info |
javase.info |
javaselot.info |
javasense.info |
javaserver.info |
javaspec.info |
DNS History
7 records (7 active, 0 former)
●NSfelicity.ns.cloudflare.com2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-31 18:53:08
●NSnia.ns.cloudflare.com2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-31 18:53:08
●MX_dc-mx.98a7ffcb3f4c.javascriptdevcourse.info2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-31 18:53:08
●A104.21.70.292026-08-29 → 2026-08-31 · 2 obs
● 2026-08-31 18:53:08
●A172.67.218.2062026-08-29 → 2026-08-31 · 2 obs
● 2026-08-31 18:53:08
●A2606:4700:3032::6815:461d2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-31 18:53:08
●A2606:4700:3032::ac43:dace2026-08-29 → 2026-08-31 · 2 obs
● 2026-08-31 18:53:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | c0.info.afilias-nst.info, a2.info.afilias-nst.info, a0.info.afilias-nst.info | - |
| javascriptdevcourse.info | felicity.ns.cloudflare.com, nia.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.212
NS records: felicity.ns.cloudflare.com, nia.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for javascriptdevcourse.info (unsigned zone)
⏱️ Timing
Total: 629ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.218.206, 104.21.70.29 |
| AAAA | 2 | 2606:4700:3032::6815:461d, 2606:4700:3032::ac43:dace |
| NS | 2 | felicity.ns.cloudflare.com, nia.ns.cloudflare.com |
| MX | 1 | _dc-mx.98a7ffcb3f4c.javascriptdevcourse. |
| TXT | 1 | v=spf1 a mx include:relay.mailchannels.n |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | felicity.ns.cloudflare.com dns.cloudflar |
Analysis
IP Addresses
javascriptdevcourse.info directs to four IP numbers, which are 104.21.70.29, 172.67.218.206, 2606:4700:3032::6815:461d and 2606:4700:3032::ac43:dace.
www.bedrijfsfondspers.nl, innov8guide.com, 893i.top plus two other host names have IP numbers in common with javascriptdevcourse.info.
Name Servers
javascriptdevcourse.info is delegated to two name servers: felicity.ns.cloudflare.com and nia.ns.cloudflare.com.
The name server configuration of javascriptdevcourse.info is shared with other domains, for instance plinplin.site, bjy0f.workers.dev, thecornerstone.ca and two others.
There is at least partial name server overlap between javascriptdevcourse.info and other domains — npostart-8n1y.pages.dev, boswin77.us, sleepy-thunder.workers.dev and two more among them.
These name servers frequently co-occur with the name servers alexandra.ns.cloudflare.com and betty.ns.cloudflare.com.
Hosts with 6 IP addresses each:
felicity.ns.cloudflare.com resolves to 108.162.195.212, 162.159.44.212, 172.64.35.212 and 3 other IP addresses.
nia.ns.cloudflare.com resolves to 108.162.192.210, 172.64.32.210, 173.245.58.210 and 3 other IP addresses.
Mail Servers
javascriptdevcourse.info uses one mail server — _dc-mx.98a7ffcb3f4c.javascriptdevcourse.info.
_dc-mx.98a7ffcb3f4c.javascriptdevcourse.info resolves to a single IP number: 185.93.222.34.