thecoursearena.com - robtex.com
thecoursearena.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:14dc🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c284🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.20.220Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.194.132🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | grace.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c09f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:209f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 108.162.192.159🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 172.64.32.159🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 173.245.58.159🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| NS | peyton.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bdd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peyton.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1dd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | peyton.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21dd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | peyton.ns.cloudflare.com | ||||||
| A | 108.162.193.221🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peyton.ns.cloudflare.com | ||||||
| A | 172.64.33.221🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peyton.ns.cloudflare.com | ||||||
| A | 173.245.59.221🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peyton.ns.cloudflare.com | ||||||
| MX | sgasult1.armadaservers.com ⭐ | ||||||
| A | 151.246.1.101🇮🇷 ENETWORKS128.0.0.0/2 | ||||||
| PTR | sgasult1.armadaservers.com | ||||||
| TXT | v=spf1 +ip4:139.162.29.82 +include:spf.antispamcloud.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.20.220, 172.67.194.132 | ||||||
| IPv6 hints | 2606:4700:3035::6815:14dc, 2606:4700:3037::ac43:c284 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com | ||||||
| SOA | grace.ns.cloudflare.comdns@cloudflare.com serial=2402101812 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777215416 | ||||||
Same first word
thecoursearena.com |
DNS History
7 records (7 active, 0 former)
●NSgrace.ns.cloudflare.com2026-03-01 → 2026-04-26 · 2 obs
● 2026-04-26 15:19:40
●NSpeyton.ns.cloudflare.com2026-03-01 → 2026-04-26 · 2 obs
● 2026-04-26 15:19:40
●MXsgasult1.armadaservers.com2026-03-01 → 2026-04-26 · 2 obs
● 2026-04-26 15:19:40
●A104.21.20.2202026-03-01 → 2026-04-26 · 2 obs
● 2026-04-26 15:19:40
●A172.67.194.1322026-03-01 → 2026-04-26 · 2 obs
● 2026-04-26 15:19:40
●A2606:4700:3035::6815:14dc2026-03-01 → 2026-04-26 · 2 obs
● 2026-04-26 15:19:40
●A2606:4700:3037::ac43:c2842026-03-01 → 2026-04-26 · 2 obs
● 2026-04-26 15:19:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| thecoursearena.com | grace.ns.cloudflare.com, peyton.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.221
NS records: grace.ns.cloudflare.com, peyton.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thecoursearena.com (unsigned zone)
⏱️ Timing
Total: 281ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.194.132, 104.21.20.220 |
| AAAA | 2 | 2606:4700:3037::ac43:c284, 2606:4700:3035::6815:14dc |
| NS | 2 | grace.ns.cloudflare.com, peyton.ns.cloudflare.com |
| MX | 1 | sgasult1.armadaservers.com (pri: 10) |
| TXT | 1 | v=spf1 +ip4:139.162.29.82 +include:spf.a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | grace.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (grace.ns.cloudflare.com, grace.ns.cloudflare.com, grace.ns.cloudflare.com...)
Analysis
IP Addresses
thecoursearena.com maps to four IP numbers: 2606:4700:3035::6815:14dc, 2606:4700:3037::ac43:c284, 104.21.20.220 and 172.67.194.132.
Other host names, for instance 212market.com, cocinaenmambo.com, zfxk.net, shinawatratower2.com and www.hayamizbg.net share IP numbers with thecoursearena.com.
Name Servers
Two name servers grace.ns.cloudflare.com and peyton.ns.cloudflare.com are delegated to thecoursearena.com.
thecoursearena.com uses the same name server configuration as other domains, such as femdomstrapons.com, erotik(0x736578)hikaye.com, india(0x706f726e)vids.pro, (0x78766964656f73)(0x787878).org and asia-jin.com.
thecoursearena.com at least partially shares name servers with other domains such as tdcjdkb.cc, ves-net.com, nacosa.org.za, 957837.com and papermsg.com.
These name servers are commonly used alongside olivia.ns.cloudflare.com, pablo.ns.cloudflare.com and nicole.ns.cloudflare.com.
Host names with six IP numbers: Host name grace.ns.cloudflare.com points to 2606:4700:50::adf5:3a9f, 2803:f800:50::6ca2:c09f, 2a06:98c1:50::ac40:209f, 108.162.192.159, 172.64.32.159 and 173.245.58.159; host name peyton.ns.cloudflare.com points to 2606:4700:58::adf5:3bdd, 2803:f800:50::6ca2:c1dd, 2a06:98c1:50::ac40:21dd, 108.162.193.221, 172.64.33.221 and 173.245.59.221.
Mail Servers
thecoursearena.com is handled by a single mail server, sgasult1.armadaservers.com.
thecoursearena.com shares the same mail server setup as other domains, including hotel71.com.bd, affordable-shop.com, hoangtusaigon.vn, cohoala.com and sgasult1.armadaservers.com.
thecoursearena.com shares some mail servers with other domains, at least partially, for instance mindanaodailynews.com.
These mail servers are often used together with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
sgasult1.armadaservers.com points to one IP number: 151.246.1.101.