jofxan.courses - robtex.com
jofxan.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:26be🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:89c7🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.38.190Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.137.199🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | anuj.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b41🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anuj.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c141🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | anuj.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2141🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | anuj.ns.cloudflare.com | ||||||
| A | 108.162.193.65🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anuj.ns.cloudflare.com | ||||||
| A | 172.64.33.65🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anuj.ns.cloudflare.com | ||||||
| A | 173.245.59.65🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anuj.ns.cloudflare.com | ||||||
| NS | teagan.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26ae🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2ae🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22ae🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 108.162.194.174🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 162.159.38.174Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 172.64.34.174🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| TXT | google-site-verification=_IH0gF_lRiQM8PJ3U7nz8zrPGxYf7-7ifyDCB5f64UI | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.38.190, 172.67.137.199 | ||||||
| IPv6 hints | 2606:4700:3030::6815:26be, 2606:4700:3031::ac43:89c7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com | ||||||
| SOA | anuj.ns.cloudflare.comdns@cloudflare.com serial=2403091626 | ||||||
courses
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.courses ⭐ | ||||||
| NS | b.nic.courses | ||||||
| NS | c.nic.courses | ||||||
| NS | x.nic.courses | ||||||
| NS | y.nic.courses | ||||||
| NS | z.nic.courses | ||||||
| SOA | a.nic.coursesadmin@tldns.godaddy serial=1778677083 | ||||||
Same first word
jofxan.courses |
DNS History
6 records (6 active, 0 former)
●NSanuj.ns.cloudflare.com2026-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 13:20:50
●NSteagan.ns.cloudflare.com2026-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 13:20:50
●A104.21.38.1902026-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 13:20:50
●A172.67.137.1992026-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 13:20:50
●A2606:4700:3030::6815:26be2026-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 13:20:50
●A2606:4700:3031::ac43:89c72026-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 13:20:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| jofxan.courses | anuj.ns.cloudflare.com, teagan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.174
NS records: anuj.ns.cloudflare.com, teagan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jofxan.courses (unsigned zone)
⏱️ Timing
Total: 485ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.137.199, 104.21.38.190 |
| AAAA | 2 | 2606:4700:3030::6815:26be, 2606:4700:3031::ac43:89c7 |
| NS | 2 | anuj.ns.cloudflare.com, teagan.ns.cloudflare.com |
| TXT | 1 | google-site-verification=_IH0gF_lRiQM8PJ |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | anuj.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)
Analysis
IP Addresses
jofxan.courses points to four IP numbers: 2606:4700:3030::6815:26be, 2606:4700:3031::ac43:89c7, 104.21.38.190 and 172.67.137.199.
Other host names including 160a.net, daisy24.cc, www.rpbagp.link, appkit.com and ns1.finteknews.com share IP numbers with jofxan.courses.
Name Servers
jofxan.courses's delegation uses two name servers, anuj.ns.cloudflare.com and teagan.ns.cloudflare.com.
jofxan.courses shares the same name server setup as other domains, for example jrlybv.shop, lilorphanhammies.org, superfastconversions.com, dropr.co.uk and examscape.com.
jofxan.courses at least partially shares name servers with other domains, including cfsa.org.cn, cymachine.com.cn, ice1155.net, castcas.com and journalworld360.co.uk.
these name servers are commonly used with amos.ns.cloudflare.com, jay.ns.cloudflare.com, carl.ns.cloudflare.com, alfred.ns.cloudflare.com and sharon.ns.cloudflare.com.
Host names with six IP numbers:
anuj.ns.cloudflare.com points to: 2606:4700:58::adf5:3b41, 2803:f800:50::6ca2:c141, 2a06:98c1:50::ac40:2141, 108.162.193.65, 172.64.33.65 and 173.245.59.65.
teagan.ns.cloudflare.com points to: 2606:4700:50::a29f:26ae, 2803:f800:50::6ca2:c2ae, 2a06:98c1:50::ac40:22ae, 108.162.194.174, 162.159.38.174 and 172.64.34.174.