`mastertools.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b113^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:119e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.158^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.19^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kareem.ns.cloudflare.com` ⭐ 🔒
		A	2606:4700:58::a29f:2c16^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c316^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kareem.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2316^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kareem.ns.cloudflare.com`
		A	108.162.195.22^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	162.159.44.22^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	172.64.35.22^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
NS	`tessa.ns.cloudflare.com`
		A	2606:4700:50::a29f:26e5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tessa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tessa.ns.cloudflare.com`
		A	108.162.194.229^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
		A	162.159.38.229^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
		A	172.64.34.229^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tessa.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`G+Et2Rjbb3JcD5TR95sJHdsZbJZEpyt7w5QUuWiCNHY=`
TXT	`facebook-domain-verification=jcekp20r9etb29417agpl24k1x0iwg`
TXT	`google-site-verification=-XJ9fPZ0lkZ21E4P9Ha7Vt4qqng_Gc_-43wq8S4yTVg`
TXT	`google-site-verification=2GvhxI7fFs1g5LuiiZSgU95KFG1ov8wBnY17mZARs8U`
TXT	`google-site-verification=TTBXynita9-qs43pfujNpgQVkaiqQESmTtX8TsRx3ZM`
TXT	`google-site-verification=U9k0eFLB_FQW3Cs_cnh14Rb4pBEOg53GPs7rENZGSgI`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com include:emsd1.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.17.158, 172.67.177.19
		IPv6	2606:4700:3030::ac43:b113, 2606:4700:3032::6815:119e
SOA	`kareem.ns.cloudflare.com`dns@cloudflare.com serial=2397138649

`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=1771291435

Same first word

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mastertools.nl

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streamtools.net

slotmaestro.com

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teslamotors.hr

DNS History

17 records (11 active, 6 former)

●NSkareem.ns.cloudflare.com2026-02-20 → 2026-02-24 · 3 obs

○ 2017-01-28 17:51:52
● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

○NSns1.telenetcom.com2007-11-10 → 2016-02-27 · 4 obs

● 2007-11-10 20:36:10
● 2016-02-27 08:12:18
○ 2017-01-28 17:51:52
○ 2026-02-24 19:22:16

○NSns2.telenetcom.com2007-11-10 → 2016-02-27 · 4 obs

● 2007-11-10 20:36:10
● 2016-02-27 08:12:18
○ 2017-01-28 17:51:52
○ 2026-02-24 19:22:16

●NStessa.ns.cloudflare.com2026-02-20 → 2026-02-24 · 3 obs

○ 2017-01-28 17:51:52
● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●MXalt1.aspmx.l.google.com2026-02-20 → 2026-02-24 · 2 obs

● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●MXalt2.aspmx.l.google.com2026-02-20 → 2026-02-24 · 2 obs

● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●MXalt3.aspmx.l.google.com2026-02-20 → 2026-02-24 · 2 obs

● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●MXalt4.aspmx.l.google.com2026-02-20 → 2026-02-24 · 2 obs

● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●MXaspmx.l.google.com2026-02-20 → 2026-02-24 · 2 obs

● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●A104.21.17.1582026-02-20 → 2026-02-24 · 3 obs

○ 2018-10-28 17:02:38
● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

○A141.8.230.202017-01-28 → 2017-01-28 · 4 obs

○ 2016-02-27 08:12:18
● 2017-01-28 17:51:52
○ 2018-10-28 17:02:38
○ 2026-02-24 19:22:16

●A172.67.177.192026-02-20 → 2026-02-24 · 3 obs

○ 2018-10-28 17:02:38
● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●A2606:4700:3030::ac43:b1132026-02-20 → 2026-02-24 · 3 obs

○ 2018-10-28 17:02:38
● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

●A2606:4700:3032::6815:119e2026-02-20 → 2026-02-24 · 3 obs

○ 2018-10-28 17:02:38
● 2026-02-20 18:59:28
● 2026-02-24 19:22:16

○A64.20.35.1552007-11-10 → 2007-11-10 · 3 obs

● 2007-11-10 20:36:10
○ 2015-07-15 13:14:02
○ 2026-02-24 19:22:16

○A66.45.246.1402015-07-15 → 2016-02-27 · 5 obs

○ 2007-11-10 20:36:10
● 2015-07-15 13:14:02
● 2016-02-27 08:12:18
○ 2017-01-28 17:51:52
○ 2026-02-24 19:22:16

○CNAMEpres.serverhome.com2017-01-28 → 2018-10-28 · 4 obs

● 2017-01-28 17:51:52
● 2018-10-28 17:02:38
○ 2026-02-20 18:59:28
○ 2026-02-24 19:22:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mastertools.com	tessa.ns.cloudflare.com, kareem.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.229

NS records: tessa.ns.cloudflare.com, kareem.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastertools.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.19, 104.21.17.158`
AAAA	2	`2606:4700:3032::6815:119e, 2606:4700:3030::ac43:b113`
NS	2	`kareem.ns.cloudflare.com, tessa.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	7	`G+Et2Rjbb3JcD5TR95sJHdsZbJZEpyt7w5QUuWiC, facebook-domain-verification=jcekp20r9et...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kareem.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

AI analysis

mastertools.com points to four IP numbers: 2606:4700:3030::ac43:b113, 2606:4700:3032::6815:119e, 104.21.17.158 and 172.67.177.19.

Other host names, for instance jshzy.com, hypewize.com, chinakenhan.com, posmotri-film.ru and advantacentralpartners.digital share IP numbers with mastertools.com.

Delegation for mastertools.com rests with two name servers, kareem.ns.cloudflare.com and tessa.ns.cloudflare.com.

mastertools.com shares the same name server setup as other domains, including mfcommunication.net, appturo.com, mikemunzvil.com, optisign.com and cloudmos.io.

mastertools.com at least partially shares name servers with other domains, for instance 1796web.com, dmyz.net, simsekhalicilik.com, filipinolawyer.ca and minbrain.com.