jsdevcourse.info - robtex.com
jsdevcourse.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:1b1f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:a8da🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.27.31Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.168.218🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | leo.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cf1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23f1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 108.162.195.241🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.44.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.35.241🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | pat.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a8b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pat.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c08b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | pat.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:208b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | pat.ns.cloudflare.com | ||||||
| A | 108.162.192.139🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pat.ns.cloudflare.com | ||||||
| A | 172.64.32.139🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pat.ns.cloudflare.com | ||||||
| A | 173.245.58.139🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pat.ns.cloudflare.com | ||||||
| MX | mail.jsdevcourse.info ⭐ | ||||||
| A | 185.247.225.7🇷🇴 FlokiNET185.247.225.0/24 | ||||||
| PTR | ro8.flokinet.is | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.27.31, 172.67.168.218 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1b1f, 2606:4700:3036::ac43:a8da | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=31, name=cloudflare-ech.com | ||||||
| SOA | leo.ns.cloudflare.comdns@cloudflare.com serial=2414104055 | ||||||
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=1791240671 | ||||||
Same first word
jsdevcourse.info |
Previous names
jsdb.info |
jsdbcuervu.info |
jsdc.info |
jsdecoder.info |
jsdefi.info |
jsdeliver.info |
jsdelivr.info |
jsdelivre.info |
jsdentallab.info |
jsdeqvkallh.info |
jsdesign.info |
jsdesignswraps.info |
jsdev-course.info |
jsdev.info |
Next names
jsdeveloper.info |
jsdevelopment.info |
jsdf.info |
jsdhgt.info |
jsdiamondenterprises.info |
jsdigitalmarketing.info |
jsdkzq.info |
jsdm-live-cctv.info |
jsdn.info |
jsdns.info |
jsdoc.info |
DNS History
11 records (7 active, 4 former)
●NSleo.ns.cloudflare.com2026-09-10 → 2026-10-05 · 2 obs
● 2026-10-05 22:57:24
●NSpat.ns.cloudflare.com2026-09-10 → 2026-10-05 · 2 obs
● 2026-10-05 22:57:24
●MXmail.jsdevcourse.info2026-09-10 → 2026-10-05 · 2 obs
● 2026-10-05 22:57:24
●A104.21.27.312026-09-22 → 2026-10-05 · 3 obs
● 2026-09-22 10:48:36
● 2026-10-05 22:57:24
●A172.67.168.2182026-09-22 → 2026-10-05 · 3 obs
● 2026-09-22 10:48:36
● 2026-10-05 22:57:24
○A188.114.96.02026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-22 10:48:36
○ 2026-10-05 22:57:24
○A188.114.97.02026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-22 10:48:36
○ 2026-10-05 22:57:24
●A2606:4700:3033::6815:1b1f2026-09-22 → 2026-10-05 · 3 obs
● 2026-09-22 10:48:36
● 2026-10-05 22:57:24
●A2606:4700:3036::ac43:a8da2026-09-22 → 2026-10-05 · 3 obs
● 2026-09-22 10:48:36
● 2026-10-05 22:57:24
○A2a06:98c1:3120::2026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-22 10:48:36
○ 2026-10-05 22:57:24
○A2a06:98c1:3121::2026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-22 10:48:36
○ 2026-10-05 22:57:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info | - |
| jsdevcourse.info | pat.ns.cloudflare.com, leo.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.139
NS records: pat.ns.cloudflare.com, leo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jsdevcourse.info (unsigned zone)
⏱️ Timing
Total: 674ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.168.218, 104.21.27.31 |
| AAAA | 2 | 2606:4700:3036::ac43:a8da, 2606:4700:3033::6815:1b1f |
| NS | 2 | leo.ns.cloudflare.com, pat.ns.cloudflare.com |
| MX | 1 | mail.jsdevcourse.info (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | leo.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
jsdevcourse.info resolves to four IP addresses: 104.21.27.31, 172.67.168.218, 2606:4700:3033::6815:1b1f and 2606:4700:3036::ac43:a8da.
Two other host names, along with everoutreachgurkha.com, sterlingvaultai.live and wetsuitsstore.biz, also share IP numbers with jsdevcourse.info.
Name Servers
jsdevcourse.info has two authoritative name servers — leo.ns.cloudflare.com and pat.ns.cloudflare.com.
jsdevcourse.info shares its NS records with other domains, for example 1xbetperu.com, technikandmore.com, fallalhimohsen.workers.dev and two others.
jsdevcourse.info partially shares its NS delegation with several other domains, including 158888.vip, 207luckbr.com, wyp070423.workers.dev and two others.
These name servers are regularly seen alongside erin.ns.cloudflare.com and jade.ns.cloudflare.com as name servers.
DNS names with 6 IP addresses:
leo.ns.cloudflare.com points to 108.162.195.241, 162.159.44.241, 172.64.35.241 and 3 other IP addresses.
pat.ns.cloudflare.com points to 108.162.192.139, 172.64.32.139, 173.245.58.139 and 3 other IP addresses.
Mail Servers
The sole mail server for jsdevcourse.info is mail.jsdevcourse.info.
mail.jsdevcourse.info points to one IP number — 185.247.225.7.