coursearray.io - dns.ninja
coursearray.io
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:1ddcπΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:95d6πΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.29.220Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.149.214πΊπΈ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | cora.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:26c3πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cora.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2c3π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cora.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22c3πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cora.ns.cloudflare.com | ||||||
| A | 108.162.194.195πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cora.ns.cloudflare.com | ||||||
| A | 162.159.38.195Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cora.ns.cloudflare.com | ||||||
| A | 172.64.34.195πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cora.ns.cloudflare.com | ||||||
| NS | nile.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bd6πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nile.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1d6π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nile.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21d6πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nile.ns.cloudflare.com | ||||||
| A | 108.162.193.214πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nile.ns.cloudflare.com | ||||||
| A | 172.64.33.214πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nile.ns.cloudflare.com | ||||||
| A | 173.245.59.214πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nile.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.29.220, 172.67.149.214 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1ddc, 2606:4700:3035::ac43:95d6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com | ||||||
| SOA | cora.ns.cloudflare.comdns@cloudflare.com serial=2419537536 | ||||||
io
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.nic.io β | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1794494101 | ||||||
Same first word
coursearray.xyz |
coursearray.com |
coursearray.cyou |
coursearray.io |
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
βNScora.ns.cloudflare.com2026-09-04 β 2026-11-12 Β· 2 obs
β 2026-11-12 15:28:36
βNSnile.ns.cloudflare.com2026-09-04 β 2026-11-12 Β· 2 obs
β 2026-11-12 15:28:36
βA104.21.29.2202026-09-04 β 2026-11-12 Β· 2 obs
β 2026-11-12 15:28:36
βA172.67.149.2142026-09-04 β 2026-11-12 Β· 2 obs
β 2026-11-12 15:28:36
βA2606:4700:3033::6815:1ddc2026-09-04 β 2026-11-12 Β· 2 obs
β 2026-11-12 15:28:36
βA2606:4700:3035::ac43:95d62026-09-04 β 2026-11-12 Β· 2 obs
β 2026-11-12 15:28:36
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| coursearray.io | nile.ns.cloudflare.com, cora.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.194.195
NS records: nile.ns.cloudflare.com, cora.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
β±οΈ Timing
Total: 522ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.29.220, 172.67.149.214 |
| AAAA | 2 | 2606:4700:3035::ac43:95d6, 2606:4700:3033::6815:1ddc |
| NS | 2 | cora.ns.cloudflare.com, nile.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cora.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
coursearray.io resolves to four IP addresses: 104.21.29.220, 172.67.149.214, 2606:4700:3033::6815:1ddc and 2606:4700:3035::ac43:95d6.
akedolukasgallery.shop, longhornbeetlebite.com, n53l72dy.com plus two other host names have IP numbers in common with coursearray.io.
Name Servers
coursearray.io is served by two delegated name servers, cora.ns.cloudflare.com and nile.ns.cloudflare.com.
The name server configuration of coursearray.io is shared with other domains, for instance petri-silva.co, deewii4d.co, bongdakeonhacai8.net and two others.
coursearray.io shares at least some of its name servers with other domains, including haupt-ross.workers.dev, momenrummarketsphere.com, staynex.ai and two others.
These name servers are frequently paired with the name servers sasha.ns.cloudflare.com, evan.ns.cloudflare.com and harvey.ns.cloudflare.com.
Hosts with 6 IP addresses each:
cora.ns.cloudflare.com carries IP addresses 108.162.194.195, 162.159.38.195 and 172.64.34.195, with 3 other addresses beyond those.
nile.ns.cloudflare.com carries IP addresses 108.162.193.214, 172.64.33.214 and 173.245.59.214, with 3 other addresses beyond those.