`99mastery.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:cf1a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:fd4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.212^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.26^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c055^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2055^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chloe.ns.cloudflare.com`
		A	108.162.192.85^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	172.64.32.85^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	173.245.58.85^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
NS	`duke.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
MX	`mx2.zoho.eu` ⭐
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx3.zoho.eu`⁽²⁰⁾
		A	185.230.212.166^{🇳🇱 ZOHO-EU185.230.212.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx.zoho.eu`⁽⁵⁰⁾
		A	185.230.212.166^{🇳🇱 ZOHO-EU185.230.212.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
TXT	`sCbVZGckSPSFxVrI322RZx617tFI58zJkzIzm3Tsk+o=`
TXT	`v=spf1 include:zoho.eu ~all`
TXT	`zoho-verification=zb20945644.zmverify.zoho.eu`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.15.212, 172.67.207.26
		IPv6	2606:4700:3031::ac43:cf1a, 2606:4700:3036::6815:fd4
SOA	`chloe.ns.cloudflare.com`dns@cloudflare.com serial=2396973771

`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

Subdomains

app.99mastery.com

Same first word

99mastery.com

DNS History

13 records (9 active, 4 former)

●NSchloe.ns.cloudflare.com2026-03-16 → 2026-03-22 · 2 obs

● 2026-03-16 03:52:48
● 2026-03-22 02:43:26

●NSduke.ns.cloudflare.com2026-03-16 → 2026-03-22 · 2 obs

● 2026-03-16 03:52:48
● 2026-03-22 02:43:26

●MXmx.zoho.eu2026-03-16 → 2026-03-22 · 2 obs

● 2026-03-16 03:52:48
● 2026-03-22 02:43:26

●MXmx2.zoho.eu2026-03-16 → 2026-03-22 · 2 obs

● 2026-03-16 03:52:48
● 2026-03-22 02:43:26

●MXmx3.zoho.eu2026-03-16 → 2026-03-22 · 2 obs

● 2026-03-16 03:52:48
● 2026-03-22 02:43:26

●A104.21.15.2122026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-16 03:52:48
● 2026-03-22 02:43:24
● 2026-03-22 02:43:26

●A172.67.207.262026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-16 03:52:48
● 2026-03-22 02:43:24
● 2026-03-22 02:43:26

○A188.114.96.02026-03-16 → 2026-03-16 · 3 obs

● 2026-03-16 03:52:48
○ 2026-03-22 02:43:24
○ 2026-03-22 02:43:26

○A188.114.97.02026-03-16 → 2026-03-16 · 3 obs

● 2026-03-16 03:52:48
○ 2026-03-22 02:43:24
○ 2026-03-22 02:43:26

●A2606:4700:3031::ac43:cf1a2026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-16 03:52:48
● 2026-03-22 02:43:24
● 2026-03-22 02:43:26

●A2606:4700:3036::6815:fd42026-03-22 → 2026-03-22 · 3 obs

○ 2026-03-16 03:52:48
● 2026-03-22 02:43:24
● 2026-03-22 02:43:26

○A2a06:98c1:3120::2026-03-16 → 2026-03-16 · 3 obs

● 2026-03-16 03:52:48
○ 2026-03-22 02:43:24
○ 2026-03-22 02:43:26

○A2a06:98c1:3121::2026-03-16 → 2026-03-16 · 3 obs

● 2026-03-16 03:52:48
○ 2026-03-22 02:43:24
○ 2026-03-22 02:43:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
99mastery.com	duke.ns.cloudflare.com, chloe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.110

NS records: duke.ns.cloudflare.com, chloe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 99mastery.com (unsigned zone)

⏱️ Timing

Total: 837ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.207.26, 104.21.15.212`
AAAA	2	`2606:4700:3036::6815:fd4, 2606:4700:3031::ac43:cf1a`
NS	2	`chloe.ns.cloudflare.com, duke.ns.cloudflare.com`
MX	3	`mx.zoho.eu (pri: 10), mx2.zoho.eu (pri: 20)...`
TXT	3	`sCbVZGckSPSFxVrI322RZx617tFI58zJkzIzm3Ts, v=spf1 include:zoho.eu ~all...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chloe.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

99mastery.com is a parent of app.99mastery.com.

IP Addresses

99mastery.com points to four IP numbers: 2606:4700:3031::ac43:cf1a, 2606:4700:3036::6815:fd4, 104.21.15.212 and 172.67.207.26.

Other host names, for instance 789betz.in, www.vidzone.com, act.mpowerchange.org, cs1.sccoa.com and www.ceramic-pro.com share IP numbers with 99mastery.com.

Name Servers

Delegation for 99mastery.com rests with two name servers, chloe.ns.cloudflare.com and duke.ns.cloudflare.com.

99mastery.com shares the same name server setup as other domains, including sunpetal.com, rajaagency.in, dinagatislands.com.ph, advty.com and gsteuber.com.

99mastery.com at least partially shares name servers with other domains, for instance adult-chat.eu.com, iceageanimals.com, sportspiracy.net, kidsschool.com.ar and asaap-ne.org.

These name servers are commonly used with jarred.ns.cloudflare.com and rex.ns.cloudflare.com.

Host names with six IP numbers: chloe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a55, 2803:f800:50::6ca2:c055, 2a06:98c1:50::ac40:2055, 108.162.192.85, 172.64.32.85 and 173.245.58.85. duke.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6e, 2803:f800:50::6ca2:c16e, 2a06:98c1:50::ac40:216e, 108.162.193.110, 172.64.33.110 and 173.245.59.110.

Mail Servers

99mastery.com is handled by three mail servers: mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu.

99mastery.com shares mail servers with other domains at least in part, for instance dealngift.com, vldsx.com, naemi.me, ankh-morpork.ws and nhlsuomi.com.

Two-IP host names: mx.zoho.eu points to 185.230.212.166 and 185.230.214.166.

One-IP host names: mx2.zoho.eu points to 185.230.214.166; mx3.zoho.eu points to 185.230.212.166.

Names pointing to 185.230.212.166: mx.zoho.eu and mx3.zoho.eu.

Names pointing to 185.230.214.166: mx.zoho.eu and mx2.zoho.eu.

99mastery.com - robtex.com

99mastery.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`99mastery.com`

`com`