ilcourse.com - dns.ninja

`ilcourse.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:591a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:8872^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.26^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.114^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aria.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a44^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c044^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aria.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2044^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aria.ns.cloudflare.com`
		A	108.162.192.68^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
		A	172.64.32.68^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
		A	173.245.58.68^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
NS	`mario.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mario.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mario.ns.cloudflare.com`
		A	108.162.193.203^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	172.64.33.203^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	173.245.59.203^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
TXT	`google-site-verification=Df6wNZraMTp9d5Jd7LI0zbymntTXEavUa4mu8qXyTac`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.26, 172.67.136.114
		IPv6 hints	2606:4700:3030::6815:591a, 2606:4700:3031::ac43:8872
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`aria.ns.cloudflare.com`dns@cloudflare.com serial=2407105671

`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=1783477461

Same first word

ilcourse.com

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corelius.net

cielosur.com

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corelius.com

cielosur.cl

ciruelos.es

cielosur.de

criseoul.com

corelius.org

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curesoil.com

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lisource.com

DNS History

12 records (6 active, 6 former)

●NSaria.ns.cloudflare.com2026-06-10 → 2026-07-08 · 3 obs

○ 2017-04-04 20:48:56
● 2026-06-10 17:45:44
● 2026-07-08 02:28:02

●NSmario.ns.cloudflare.com2026-06-10 → 2026-07-08 · 3 obs

○ 2017-04-04 20:48:56
● 2026-06-10 17:45:44
● 2026-07-08 02:28:02

○NSns33.domaincontrol.com2015-07-20 → 2017-04-04 · 4 obs

● 2015-07-20 16:45:08
● 2017-04-04 20:48:56
○ 2026-06-10 17:45:44
○ 2026-07-08 02:28:02

○NSns34.domaincontrol.com2015-07-20 → 2017-04-04 · 4 obs

● 2015-07-20 16:45:08
● 2017-04-04 20:48:56
○ 2026-06-10 17:45:44
○ 2026-07-08 02:28:02

○MXmailstore1.secureserver.net2015-07-20 → 2017-04-04 · 4 obs

● 2015-07-20 16:45:08
● 2017-04-04 20:48:56
○ 2026-06-10 17:45:44
○ 2026-07-08 02:28:02

○MXsmtp.secureserver.net2015-07-20 → 2017-04-04 · 4 obs

● 2015-07-20 16:45:08
● 2017-04-04 20:48:56
○ 2026-06-10 17:45:44
○ 2026-07-08 02:28:02

●A104.21.89.262026-06-10 → 2026-07-08 · 3 obs

○ 2017-04-04 20:48:56
● 2026-06-10 17:45:44
● 2026-07-08 02:28:02

○A107.180.51.252016-02-25 → 2017-04-04 · 5 obs

○ 2015-11-20 00:20:30
● 2016-02-25 19:57:24
● 2017-04-04 20:48:56
○ 2026-06-10 17:45:44
○ 2026-07-08 02:28:02

●A172.67.136.1142026-06-10 → 2026-07-08 · 3 obs

○ 2017-04-04 20:48:56
● 2026-06-10 17:45:44
● 2026-07-08 02:28:02

○A192.186.252.2002015-07-20 → 2015-11-20 · 4 obs

● 2015-07-20 16:45:08
● 2015-11-20 00:20:30
○ 2016-02-25 19:57:24
○ 2026-07-08 02:28:02

●A2606:4700:3030::6815:591a2026-06-10 → 2026-07-08 · 3 obs

○ 2017-04-04 20:48:56
● 2026-06-10 17:45:44
● 2026-07-08 02:28:02

●A2606:4700:3031::ac43:88722026-06-10 → 2026-07-08 · 3 obs

○ 2017-04-04 20:48:56
● 2026-06-10 17:45:44
● 2026-07-08 02:28:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ilcourse.com	aria.ns.cloudflare.com, mario.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.68

NS records: aria.ns.cloudflare.com, mario.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ilcourse.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.136.114, 104.21.89.26`
AAAA	2	`2606:4700:3030::6815:591a, 2606:4700:3031::ac43:8872`
NS	2	`aria.ns.cloudflare.com, mario.ns.cloudflare.com`
TXT	1	`google-site-verification=Df6wNZraMTp9d5J`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aria.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ilcourse.com points to the four IP addresses 104.21.89.26, 172.67.136.114, 2606:4700:3030::6815:591a and 2606:4700:3031::ac43:8872.

Two other host names, along with panen100-001.site, ae-asia.com and fantail.co, also share IP numbers with ilcourse.com.

Name Servers

ilcourse.com is delegated to two name servers: aria.ns.cloudflare.com and mario.ns.cloudflare.com.

ilcourse.com shares its NS records with other domains, for example warecourse.team, martcourse.expert, martcourse.zone and two others.

At least some of ilcourse.com's name servers are shared with other domains, for example androidsecurity.mobi, jiewwijcjutawanbet1.com, podberi-printer.ru and two more.

These name servers tend to be deployed in combination with the name servers igor.ns.cloudflare.com and elaine.ns.cloudflare.com.

DNS names with 6 IP addresses:

aria.ns.cloudflare.com resolves to 108.162.192.68, 172.64.32.68, 173.245.58.68 and 3 other IP addresses.

mario.ns.cloudflare.com resolves to 108.162.193.203, 172.64.33.203, 173.245.59.203 and 3 other IP addresses.