javascriptdevcourse.info - robtex.com
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=235, 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 | ||||||
| NS | b2.info.afilias-nst.org | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1788046108 | ||||||
Same first word
javascriptdevcourse.info |
Previous names
Next names
javascripte.info |
javascripthelper.info |
javascripts.info |
javase.info |
javaselot.info |
javasense.info |
javaspec.info |
javaspiele.info |
DNS History
7 records (7 active, 0 former)
●NSfelicity.ns.cloudflare.com2026-08-29 → 2026-08-29 · 2 obs
● 2026-08-29 23:56:54
●NSnia.ns.cloudflare.com2026-08-29 → 2026-08-29 · 2 obs
● 2026-08-29 23:56:54
●MX_dc-mx.98a7ffcb3f4c.javascriptdevcourse.info2026-08-29 → 2026-08-29 · 2 obs
● 2026-08-29 23:56:54
●A104.21.70.292026-08-29 → 2026-08-29 · 2 obs
● 2026-08-29 23:56:54
●A172.67.218.2062026-08-29 → 2026-08-29 · 2 obs
● 2026-08-29 23:56:54
●A2606:4700:3032::6815:461d2026-08-29 → 2026-08-29 · 2 obs
● 2026-08-29 23:56:54
●A2606:4700:3032::ac43:dace2026-08-29 → 2026-08-29 · 2 obs
● 2026-08-29 23:56:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| javascriptdevcourse.info | nia.ns.cloudflare.com, felicity.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.210
NS records: nia.ns.cloudflare.com, felicity.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for javascriptdevcourse.info (unsigned zone)
⏱️ Timing
Total: 452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.70.29, 172.67.218.206 |
| AAAA | 2 | 2606:4700:3032::ac43:dace, 2606:4700:3032::6815:461d |
| 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 has four IP addresses: 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 and two other host names share IP numbers with javascriptdevcourse.info.
Name Servers
javascriptdevcourse.info is delegated to two name servers: felicity.ns.cloudflare.com and nia.ns.cloudflare.com.
javascriptdevcourse.info uses the same name servers as several other domains — among them plinplin.site, bjy0f.workers.dev, thecornerstone.ca and two more.
javascriptdevcourse.info has at least partial name server overlap with other domains, such as npostart-8n1y.pages.dev, boswin77.us, sleepy-thunder.workers.dev and two others.
It is common to see these name servers used together with name servers alexandra.ns.cloudflare.com and betty.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
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
Mail for javascriptdevcourse.info is handled by a single mail server, _dc-mx.98a7ffcb3f4c.javascriptdevcourse.info.
_dc-mx.98a7ffcb3f4c.javascriptdevcourse.info resolves to a single IP number: 185.93.222.34.