`mastery.systems`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c360^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:342e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.46^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.96^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adrian.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c039^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adrian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2039^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adrian.ns.cloudflare.com`
		A	108.162.192.57^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	172.64.32.57^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
		A	173.245.58.57^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adrian.ns.cloudflare.com`
NS	`carter.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c150^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2150^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carter.ns.cloudflare.com`
		A	108.162.193.80^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	172.64.33.80^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
		A	173.245.59.80^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carter.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.52.46, 172.67.195.96
		IPv6	2606:4700:3031::ac43:c360, 2606:4700:3032::6815:342e
SOA	`adrian.ns.cloudflare.com`dns@cloudflare.com serial=2399013046

`systems`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.systems` ⭐
	NS	`v0n1.nic.systems`
	NS	`v0n2.nic.systems`
	NS	`v0n3.nic.systems`
	NS	`v2n0.nic.systems`
	NS	`v2n1.nic.systems`
	SOA	`v0n0.nic.systems`hostmaster@donuts.email serial=1774624642

Same first word

mastery.training

mastery.business

mastery.uz

mastery.no

mastery.de

mastery.com

mastery.edu.au

mastery.vn

mastery.sk

mastery.org.il

mastery.by

mastery.cloud

mastery.us

mastery.lpages.co

mastery.net

mastery.pro

mastery.net.cn

mastery.gg

mastery.coach

mastery.nl

mastery.gr

mastery.cz

mastery.hatenablog.com

mastery.cn

mastery.solutions

mastery.games

mastery.it

mastery.info

mastery.academy

mastery.co

mastery.ro

mastery.be

mastery.org

mastery.se

mastery.es

mastery.ca

mastery.center

mastery.at

mastery.tv

mastery.edu.hk

mastery.works

mastery.mobi

mastery.systems

mastery.uni5.net

mastery.technology

mastery.expert

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mayster.kiev.ua

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yamster.ru

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steryma.com

merysta.com

mesraty.com

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mayster.com.ua

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myretas.be

starmey.com

mytears.biz

streamy.cz

mystera.com

mayster.co.il

symetra.dev

myretas.es

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mayster.ru

streamy.in

streamy.site

symetra.no

myretas.de

streamy.land

mystrea.cz

mystera.net

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ratemys.com

ystream.id

mytaser.net

symetra.cz

streamy.live

serymat.com

ystream.com

artemys.ru

mayster.org.ua

symetra.com

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myrates.com.au

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myrates.us

DNS History

15 records (6 active, 9 former)

●NSadrian.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs

○ 2017-09-05 16:26:36
● 2026-03-26 10:09:48
● 2026-03-27 15:51:12

●NScarter.ns.cloudflare.com2026-03-26 → 2026-03-27 · 3 obs

○ 2017-09-05 16:26:36
● 2026-03-26 10:09:48
● 2026-03-27 15:51:12

○NSns41.domaincontrol.com2016-12-10 → 2017-09-05 · 4 obs

● 2016-12-10 21:51:52
● 2017-09-05 16:26:36
○ 2026-03-26 10:09:48
○ 2026-03-27 15:51:12

○NSns42.domaincontrol.com2016-12-10 → 2017-09-05 · 4 obs

● 2016-12-10 21:51:52
● 2017-09-05 16:26:36
○ 2026-03-26 10:09:48
○ 2026-03-27 15:51:12

○MXmailstore1.secureserver.net2016-12-10 → 2017-09-05 · 4 obs

● 2016-12-10 21:51:52
● 2017-09-05 16:26:36
○ 2026-03-26 10:09:48
○ 2026-03-27 15:51:12

○MXsmtp.secureserver.net2016-12-10 → 2017-09-05 · 4 obs

● 2016-12-10 21:51:52
● 2017-09-05 16:26:36
○ 2026-03-26 10:09:48
○ 2026-03-27 15:51:12

●A104.21.52.462026-03-26 → 2026-03-27 · 4 obs

○ 2017-09-05 16:26:36
● 2026-03-26 10:09:48
○ 2026-03-26 11:02:08
● 2026-03-27 15:51:12

●A172.67.195.962026-03-26 → 2026-03-27 · 4 obs

○ 2017-09-05 16:26:36
● 2026-03-26 10:09:48
○ 2026-03-26 11:02:08
● 2026-03-27 15:51:12

○A188.114.96.02026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-26 10:09:48
● 2026-03-26 11:02:08
○ 2026-03-27 15:51:12

○A188.114.97.02026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-26 10:09:48
● 2026-03-26 11:02:08
○ 2026-03-27 15:51:12

●A2606:4700:3031::ac43:c3602026-03-26 → 2026-03-27 · 4 obs

○ 2017-09-05 16:26:36
● 2026-03-26 10:09:48
○ 2026-03-26 11:02:08
● 2026-03-27 15:51:12

●A2606:4700:3032::6815:342e2026-03-26 → 2026-03-27 · 4 obs

○ 2017-09-05 16:26:36
● 2026-03-26 10:09:48
○ 2026-03-26 11:02:08
● 2026-03-27 15:51:12

○A2a06:98c1:3120::2026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-26 10:09:48
● 2026-03-26 11:02:08
○ 2026-03-27 15:51:12

○A2a06:98c1:3121::2026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-26 10:09:48
● 2026-03-26 11:02:08
○ 2026-03-27 15:51:12

○A50.63.202.442016-12-10 → 2017-09-05 · 4 obs

● 2016-12-10 21:51:52
● 2017-09-05 16:26:36
○ 2026-03-26 10:09:48
○ 2026-03-27 15:51:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems, v0n3.nic.systems...	12 records
mastery.systems	carter.ns.cloudflare.com, adrian.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.57

NS records: carter.ns.cloudflare.com, adrian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastery.systems (unsigned zone)

⏱️ Timing

Total: 641ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.46, 172.67.195.96`
AAAA	2	`2606:4700:3031::ac43:c360, 2606:4700:3032::6815:342e`
NS	2	`adrian.ns.cloudflare.com, carter.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adrian.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.systems, v0n0.nic.systems, v0n1.nic.systems...)

Analysis

IP Addresses

mastery.systems maps to four IP numbers: 2606:4700:3031::ac43:c360, 2606:4700:3032::6815:342e, 104.21.52.46 and 172.67.195.96.

Other host names, for instance gretathemes.com, xvideotravestis.com, canalesinstitucionales.org, studentu.top and bricomania.it share IP numbers with mastery.systems.

Name Servers

Two name servers adrian.ns.cloudflare.com and carter.ns.cloudflare.com handle delegation for mastery.systems.

mastery.systems uses the same name server setup as other domains, for example fundacaoel.com, spurb.com, zonanet.com.pt, nthdrive.com and trustradi.us.

mastery.systems partially shares name servers with other domains; examples include ffolio.cymru, 32ed65d.com, bikers-club.at, zhengchang.com.tr and c78195.com.

These name servers are commonly used with tim.ns.cloudflare.com, laura.ns.cloudflare.com, sara.ns.cloudflare.com, steven.ns.cloudflare.com, peyton.ns.cloudflare.com and vin.ns.cloudflare.com.

Host names with six IP numbers: adrian.ns.cloudflare.com points to: 2606:4700:50::adf5:3a39, 2803:f800:50::6ca2:c039, 2a06:98c1:50::ac40:2039, 108.162.192.57, 172.64.32.57 and 173.245.58.57; carter.ns.cloudflare.com points to: 2606:4700:58::adf5:3b50, 2803:f800:50::6ca2:c150, 2a06:98c1:50::ac40:2150, 108.162.193.80, 172.64.33.80 and 173.245.59.80.

mastery.systems - robtex.com

mastery.systems

systems

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`mastery.systems`

`systems`