`core-learn.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:32e0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a7a4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.224^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.164^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coen.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c397^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2397^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coen.ns.cloudflare.com`
		A	108.162.195.151^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
		A	162.159.44.151^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
		A	172.64.35.151^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coen.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
TXT	`facebook-domain-verification=hllzar08bauaa25j4ge1uu861o0fmy`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.224, 172.67.167.164
		IPv6 hints	2606:4700:3031::6815:32e0, 2606:4700:3035::ac43:a7a4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=162, name=cloudflare-ech.com
SOA	`coen.ns.cloudflare.com`dns@cloudflare.com serial=2410600235

`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.net`nstld@verisign-grs.com serial=1785800812

Subdomains

acesso.core-learn.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
core-learn.com	ruth.ns.cloudflare.com, coen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.151

NS records: ruth.ns.cloudflare.com, coen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-learn.com (unsigned zone)

⏱️ Timing

Total: 191ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.224, 172.67.167.164`
AAAA	2	`2606:4700:3031::6815:32e0, 2606:4700:3035::ac43:a7a4`
NS	2	`coen.ns.cloudflare.com, ruth.ns.cloudflare.com`
TXT	1	`facebook-domain-verification=hllzar08bau`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coen.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ruth.ns.cloudflare.com, ruth.ns.cloudflare.com, ruth.ns.cloudflare.com...)

Analysis

Hierarchy

acesso.core-learn.com is a subdomain of core-learn.com.

IP Addresses

core-learn.com points to the four IP addresses 104.21.50.224, 172.67.167.164, 2606:4700:3031::6815:32e0 and 2606:4700:3035::ac43:a7a4.

Among the host names that share IP numbers with core-learn.com are flightsnetwork.co.uk, scripts.1hostingvision.com, offhack.com and two others.

Name Servers

DNS delegation for core-learn.com points to two name servers: coen.ns.cloudflare.com and ruth.ns.cloudflare.com.

core-learn.com has the same name server delegation as a number of other domains, such as barrierreefpools.com, naturalhouse.co.nz, cleargrowstead.net and two more.

The name servers of core-learn.com overlap at least partially with those of other domains — among them sabbiabygabbeach.com, bbsystem.ru, nansess.com and two more.

These name servers commonly co-occur with the name servers isla.ns.cloudflare.com, adaline.ns.cloudflare.com, rihana.ns.cloudflare.com and dara.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

coen.ns.cloudflare.com has IP addresses 108.162.195.151, 162.159.44.151 and 172.64.35.151, plus 3 other.

ruth.ns.cloudflare.com has IP addresses 108.162.192.143, 172.64.32.143 and 173.245.58.143, plus 3 other.

core-learn.com - robtex.com

core-learn.com

com