rikvip.courses - robtex.com
rikvip.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:4333🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:d5d2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.51Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.213.210🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | leonard.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c36🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c336🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2336🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 108.162.195.54🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 162.159.44.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 172.64.35.54🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| NS | susan.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26c7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | susan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2c7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | susan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22c7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | susan.ns.cloudflare.com | ||||||
| A | 108.162.194.199🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | susan.ns.cloudflare.com | ||||||
| A | 162.159.38.199Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | susan.ns.cloudflare.com | ||||||
| A | 172.64.34.199🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | susan.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.67.51, 172.67.213.210 | ||||||
| IPv6 hints | 2606:4700:3032::6815:4333, 2606:4700:3035::ac43:d5d2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com | ||||||
| SOA | leonard.ns.cloudflare.comdns@cloudflare.com serial=2398536348 | ||||||
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=1776149672 | ||||||
rank #4 in the tld
Same first word
DNS History
6 records (6 active, 0 former)
●NSleonard.ns.cloudflare.com2026-03-28 → 2026-04-14 · 2 obs
● 2026-04-14 08:32:24
●NSsusan.ns.cloudflare.com2026-03-28 → 2026-04-14 · 2 obs
● 2026-04-14 08:32:24
●A104.21.67.512026-03-28 → 2026-04-14 · 2 obs
● 2026-04-14 08:32:24
●A172.67.213.2102026-03-28 → 2026-04-14 · 2 obs
● 2026-04-14 08:32:24
●A2606:4700:3032::6815:43332026-03-28 → 2026-04-14 · 2 obs
● 2026-04-14 08:32:24
●A2606:4700:3035::ac43:d5d22026-03-28 → 2026-04-14 · 2 obs
● 2026-04-14 08:32:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | z.nic.courses, b.nic.courses, x.nic.courses, a.nic.courses... | 12 records |
| rikvip.courses | leonard.ns.cloudflare.com, susan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.54
NS records: leonard.ns.cloudflare.com, susan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rikvip.courses (unsigned zone)
⏱️ Timing
Total: 243ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.67.51, 172.67.213.210 |
| AAAA | 2 | 2606:4700:3032::6815:4333, 2606:4700:3035::ac43:d5d2 |
| NS | 2 | leonard.ns.cloudflare.com, susan.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | leonard.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.courses, y.nic.courses, x.nic.courses...)
Analysis
IP Addresses
rikvip.courses resolves to four IP numbers: 2606:4700:3032::6815:4333, 2606:4700:3035::ac43:d5d2, 104.21.67.51 and 172.67.213.210.
other host names for instance live-jailed.app, equivir.com, immiya.com, ctimef.cfd and ns3.access-verification.com share IP numbers with rikvip.courses.
Name Servers
rikvip.courses is delegated to two name servers: leonard.ns.cloudflare.com and susan.ns.cloudflare.com.
rikvip.courses shares the same name server setup as other domains, for example pandoras-jewelry.us.com, 1mcafee.uk.net, spasifikmag.com, veggieevolution.com and cds.de.com.
rikvip.courses at least partially shares name servers with other domains, for instance 0gomovies.co.com, desktop-apps-download.com, whgzgs.com, testsystems24.de and homesite.us.com.
these name servers are commonly used with damon.ns.cloudflare.com, denver.ns.cloudflare.com, moura.ns.cloudflare.com, tate.ns.cloudflare.com, noel.ns.cloudflare.com and oswald.ns.cloudflare.com.
Host names with six IP numbers:
leonard.ns.cloudflare.com points to: 2606:4700:58::a29f:2c36, 2803:f800:50::6ca2:c336, 2a06:98c1:50::ac40:2336, 108.162.195.54, 162.159.44.54 and 172.64.35.54; susan.ns.cloudflare.com points to: 2606:4700:50::a29f:26c7, 2803:f800:50::6ca2:c2c7, 2a06:98c1:50::ac40:22c7, 108.162.194.199, 162.159.38.199 and 172.64.34.199.