eierpf.courses - robtex.com
eierpf.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:3ac4🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:cef0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.58.196Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.240🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | adrian.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a39🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adrian.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c039🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | adrian.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2039🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | adrian.ns.cloudflare.com | ||||||
| A | 108.162.192.57🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adrian.ns.cloudflare.com | ||||||
| A | 172.64.32.57🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adrian.ns.cloudflare.com | ||||||
| A | 173.245.58.57🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adrian.ns.cloudflare.com | ||||||
| NS | memphis.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cbd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23bd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 108.162.195.189🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 162.159.44.189Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| A | 172.64.35.189🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | memphis.ns.cloudflare.com | ||||||
| TXT | google-site-verification=okr3NiPLuo9xZ0UaaZk6Hv2bKqGSW6u91NIAdx5rLzo | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.58.196, 172.67.206.240 | ||||||
| IPv6 hints | 2606:4700:3034::6815:3ac4, 2606:4700:3035::ac43:cef0 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com | ||||||
| SOA | adrian.ns.cloudflare.comdns@cloudflare.com serial=2398631579 | ||||||
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=1775990316 | ||||||
Same first word
eierpf.courses |
Similar names
DNS History
6 records (6 active, 0 former)
●NSadrian.ns.cloudflare.com2026-03-27 → 2026-04-12 · 2 obs
● 2026-04-12 10:45:28
●NSmemphis.ns.cloudflare.com2026-03-27 → 2026-04-12 · 2 obs
● 2026-04-12 10:45:28
●A104.21.58.1962026-03-27 → 2026-04-12 · 2 obs
● 2026-04-12 10:45:28
●A172.67.206.2402026-03-27 → 2026-04-12 · 2 obs
● 2026-04-12 10:45:28
●A2606:4700:3034::6815:3ac42026-03-27 → 2026-04-12 · 2 obs
● 2026-04-12 10:45:28
●A2606:4700:3035::ac43:cef02026-03-27 → 2026-04-12 · 2 obs
● 2026-04-12 10:45:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| eierpf.courses | memphis.ns.cloudflare.com, adrian.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.57
NS records: memphis.ns.cloudflare.com, adrian.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for eierpf.courses (unsigned zone)
⏱️ Timing
Total: 420ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.206.240, 104.21.58.196 |
| AAAA | 2 | 2606:4700:3034::6815:3ac4, 2606:4700:3035::ac43:cef0 |
| NS | 2 | adrian.ns.cloudflare.com, memphis.ns.cloudflare.com |
| TXT | 1 | google-site-verification=okr3NiPLuo9xZ0U |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | adrian.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)
Analysis
IP Addresses
eierpf.courses points to four IP numbers: 2606:4700:3034::6815:3ac4, 2606:4700:3035::ac43:cef0, 104.21.58.196 and 172.67.206.240.
Other host names including tzm.hr, phonas.it, dekhe.click, season2-grvt.xyz and ke-mg.com share IP numbers with eierpf.courses.
Name Servers
eierpf.courses's delegation uses two name servers, adrian.ns.cloudflare.com and memphis.ns.cloudflare.com.
eierpf.courses shares the same name server setup as other domains, such as einpix.com, einpix.net, schreinersicht.ch and shaitreako.sa.com.
eierpf.courses at least partially shares name servers with other domains, including prevodicarel.com, omnemail.com, faypal.com, sugerbb.com and nextcasinopoint.com.
these name servers are commonly used together with tim.ns.cloudflare.com, venus.ns.cloudflare.com and thomas.ns.cloudflare.com.
Host names with six IP numbers:
adrian.ns.cloudflare.com points to: 2606:4700:50::adf5:3a39, 2803:f800:50::6ca2:c039, 2a06:98c1:50::ac40:2039, 108.162.192.57, 172.64.32.57 and 173.245.58.57.
memphis.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbd, 2803:f800:50::6ca2:c3bd, 2a06:98c1:50::ac40:23bd, 108.162.195.189, 162.159.44.189 and 172.64.35.189.