`free-tutorials.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:bd4a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5984^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.132^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.74^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
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`
NS	`rose.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rose.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rose.ns.cloudflare.com`
		A	108.162.192.141^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	172.64.32.141^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	173.245.58.141^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.89.132, 172.67.189.74
		IPv6	2606:4700:3031::ac43:bd4a, 2606:4700:3037::6815:5984
SOA	`mario.ns.cloudflare.com`dns@cloudflare.com serial=2396876035

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1771291736

Same first word

free-tutorials.org

DNS History

17 records (6 active, 11 former)

●NSmario.ns.cloudflare.com2026-02-16 → 2026-03-07 · 3 obs

○ 2016-12-29 22:01:28
● 2026-02-16 12:34:28
● 2026-03-07 06:38:20

○NSns1bqx.name.com2015-06-17 → 2016-12-29 · 4 obs

● 2015-06-17 23:01:38
● 2016-12-29 22:01:28
○ 2026-02-16 12:34:28
○ 2026-03-07 06:38:20

○NSns2jrt.name.com2015-06-17 → 2016-12-29 · 4 obs

● 2015-06-17 23:01:38
● 2016-12-29 22:01:28
○ 2026-02-16 12:34:28
○ 2026-03-07 06:38:20

○NSns3flt.name.com2015-06-17 → 2016-12-29 · 4 obs

● 2015-06-17 23:01:38
● 2016-12-29 22:01:28
○ 2026-02-16 12:34:28
○ 2026-03-07 06:38:20

○NSns4dfh.name.com2015-06-17 → 2016-12-29 · 4 obs

● 2015-06-17 23:01:38
● 2016-12-29 22:01:28
○ 2026-02-16 12:34:28
○ 2026-03-07 06:38:20

●NSrose.ns.cloudflare.com2026-02-16 → 2026-03-07 · 3 obs

○ 2016-12-29 22:01:28
● 2026-02-16 12:34:28
● 2026-03-07 06:38:20

○MX176.9.67.1412015-11-06 → 2015-11-06 · 4 obs

○ 2015-06-17 23:01:38
● 2015-11-06 20:12:10
○ 2016-02-04 07:40:04
○ 2026-03-07 06:38:20

○MX176.9.67.1412015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 23:01:38
○ 2015-11-06 20:12:10
○ 2026-03-07 06:38:20

○MX188.26.104.852016-12-29 → 2026-02-16 · 5 obs

○ 2016-04-29 05:27:02
● 2016-12-29 22:01:28
● 2026-02-16 12:34:28
○ 2026-02-19 18:19:32
○ 2026-03-07 06:38:20

○MX82.77.16.1422016-02-04 → 2016-04-29 · 5 obs

○ 2015-11-06 20:12:10
● 2016-02-04 07:40:04
● 2016-04-29 05:27:02
○ 2016-12-29 22:01:28
○ 2026-03-07 06:38:20

●A104.21.89.1322026-02-16 → 2026-03-07 · 3 obs

○ 2016-12-29 22:01:28
● 2026-02-16 12:34:28
● 2026-03-07 06:38:20

●A172.67.189.742026-02-16 → 2026-03-07 · 3 obs

○ 2016-12-29 22:01:28
● 2026-02-16 12:34:28
● 2026-03-07 06:38:20

○A176.9.67.1412015-06-17 → 2015-11-06 · 4 obs

● 2015-06-17 23:01:38
● 2015-11-06 20:12:10
○ 2016-02-04 07:40:04
○ 2026-03-07 06:38:20

○A188.26.104.852016-12-29 → 2016-12-29 · 4 obs

○ 2016-04-29 05:27:02
● 2016-12-29 22:01:28
○ 2026-02-16 12:34:28
○ 2026-03-07 06:38:20

●A2606:4700:3031::ac43:bd4a2026-02-16 → 2026-03-07 · 3 obs

○ 2016-12-29 22:01:28
● 2026-02-16 12:34:28
● 2026-03-07 06:38:20

●A2606:4700:3037::6815:59842026-02-16 → 2026-03-07 · 3 obs

○ 2016-12-29 22:01:28
● 2026-02-16 12:34:28
● 2026-03-07 06:38:20

○A82.77.16.1422016-02-04 → 2016-04-29 · 5 obs

○ 2015-11-06 20:12:10
● 2016-02-04 07:40:04
● 2016-04-29 05:27:02
○ 2016-12-29 22:01:28
○ 2026-03-07 06:38:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
free-tutorials.org	mario.ns.cloudflare.com, rose.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.33.203

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for free-tutorials.org (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.189.74, 104.21.89.132`
AAAA	2	`2606:4700:3037::6815:5984, 2606:4700:3031::ac43:bd4a`
NS	2	`mario.ns.cloudflare.com, rose.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mario.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

free-tutorials.org maps to four IP numbers: 2606:4700:3031::ac43:bd4a, 2606:4700:3037::6815:5984, 104.21.89.132 and 172.67.189.74.

Other host names, for instance www.scriptapi.dev, azgame.net, tesd-536209.academyqam.ru, 567077.cn and tesd-415732.academyqam.ru share IP numbers with free-tutorials.org.

Name Servers

Two name servers mario.ns.cloudflare.com and rose.ns.cloudflare.com handle delegation for free-tutorials.org.

free-tutorials.org uses the same name server setup as other domains, for example unmikcustoms.org, avilink.net, midwestperegrine.org, 785013.com and bgfi.com.

free-tutorials.org partially shares name servers with other domains; examples include tweek.life, 215qq.com, clearcode.cn, solonrice.com and 99rbrb.com.

These name servers are commonly used with elaine.ns.cloudflare.com, julissa.ns.cloudflare.com and wesley.ns.cloudflare.com.

Host names with six IP numbers: mario.ns.cloudflare.com points to: 2606:4700:58::adf5:3bcb, 2803:f800:50::6ca2:c1cb, 2a06:98c1:50::ac40:21cb, 108.162.193.203, 172.64.33.203 and 173.245.59.203; rose.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8d, 2803:f800:50::6ca2:c08d, 2a06:98c1:50::ac40:208d, 108.162.192.141, 172.64.32.141 and 173.245.58.141.

free-tutorials.org - robtex.com