practicemaster.com - dns.ninja

`practicemaster.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5ce6^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c764^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.92.230^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.100^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`james.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`james.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`james.ns.cloudflare.com`
		A	108.162.193.178^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	172.64.33.178^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
		A	173.245.59.178^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`james.ns.cloudflare.com`
NS	`melany.ns.cloudflare.com`
		A	2606:4700:50::a29f:268a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melany.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melany.ns.cloudflare.com`
		A	108.162.194.138^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	162.159.38.138^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
		A	172.64.34.138^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melany.ns.cloudflare.com`
MX	`practicemaster-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00200.inbound.protection.outlook.com`
		A	52.101.9.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.9.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.194.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr21cu00107.inbound.protection.outlook.com`
TXT	`MS=ms16705630`
TXT	`v=spf1 ip4:204.27.195.0/24 ip4:76.79.5.42 include:spf.protection.outlook.com ...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.92.230, 172.67.199.100
		IPv6 hints	2606:4700:3033::6815:5ce6, 2606:4700:3037::ac43:c764
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=67, name=cloudflare-ech.com
SOA	`james.ns.cloudflare.com`dns@cloudflare.com serial=2408314106

`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=1783208931

WOT: SAFE (61/100)

Subdomains

www.practicemaster.com

Same first word

practicemaster.net

practicemaster.com

practicemaster.com.au

practicemaster.co.uk

Similar names

masterpractice.com

DNS History

13 records (7 active, 6 former)

○NSdns.info(0x616e616c)ytic.com2007-10-28 → 2017-05-28 · 4 obs

● 2007-10-28 01:50:30
● 2017-05-28 00:07:44
○ 2026-02-17 07:04:44
○ 2026-07-05 00:08:44

○NSdns2.info(0x616e616c)ytic.com2007-10-28 → 2017-05-28 · 4 obs

● 2007-10-28 01:50:30
● 2017-05-28 00:07:44
○ 2026-02-17 07:04:44
○ 2026-07-05 00:08:44

●NSjames.ns.cloudflare.com2026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-28 00:07:44
● 2026-02-17 07:04:44
● 2026-07-05 00:08:44

○NSmail.info(0x616e616c)ytic.com2015-08-20 → 2017-05-28 · 5 obs

○ 2007-10-28 01:50:30
● 2015-08-20 04:31:18
● 2017-05-28 00:07:44
○ 2026-02-17 07:04:44
○ 2026-07-05 00:08:44

●NSmelany.ns.cloudflare.com2026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-28 00:07:44
● 2026-02-17 07:04:44
● 2026-07-05 00:08:44

○MXbarracuda.4w.com2007-10-28 → 2007-10-28 · 3 obs

● 2007-10-28 01:50:30
○ 2015-08-20 04:31:18
○ 2026-07-05 00:08:44

●MXpracticemaster-com.mail.protection.outlook.com2026-02-17 → 2026-07-05 · 3 obs

○ 2015-08-20 04:31:18
● 2026-02-17 07:04:44
● 2026-07-05 00:08:44

●A104.21.92.2302026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-28 00:07:44
● 2026-02-17 07:04:44
● 2026-07-05 00:08:44

●A172.67.199.1002026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-28 00:07:44
● 2026-02-17 07:04:44
● 2026-07-05 00:08:44

○A204.27.195.272007-10-28 → 2015-12-10 · 4 obs

● 2007-10-28 01:50:30
● 2015-12-10 07:31:12
○ 2016-03-08 17:09:22
○ 2026-07-05 00:08:44

○A216.229.0.552016-03-08 → 2017-05-28 · 5 obs

○ 2015-12-10 07:31:12
● 2016-03-08 17:09:22
● 2017-05-28 00:07:44
○ 2026-02-17 07:04:44
○ 2026-07-05 00:08:44

●A2606:4700:3033::6815:5ce62026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-28 00:07:44
● 2026-02-17 07:04:44
● 2026-07-05 00:08:44

●A2606:4700:3037::ac43:c7642026-02-17 → 2026-07-05 · 3 obs

○ 2017-05-28 00:07:44
● 2026-02-17 07:04:44
● 2026-07-05 00:08:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
practicemaster.com	james.ns.cloudflare.com, melany.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.138

NS records: james.ns.cloudflare.com, melany.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 189ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.199.100, 104.21.92.230`
AAAA	2	`2606:4700:3037::ac43:c764, 2606:4700:3033::6815:5ce6`
NS	2	`james.ns.cloudflare.com, melany.ns.cloudflare.com`
MX	1	`practicemaster-com.mail.protection.outlo`
TXT	2	`MS=ms16705630, v=spf1 ip4:204.27.195.0/24 ip4:76.79.5.4`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`james.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.practicemaster.com is a subdomain of practicemaster.com.

IP Addresses

practicemaster.com directs to four IP numbers, which are 104.21.92.230, 172.67.199.100, 2606:4700:3033::6815:5ce6 and 2606:4700:3037::ac43:c764.

www.jiqidao.com, longhainox.com, www.jese.org.cdn.cloudflare.net plus two other host names have IP numbers in common with practicemaster.com.

Name Servers

DNS delegation for practicemaster.com points to two name servers: james.ns.cloudflare.com and melany.ns.cloudflare.com.

The name server configuration of practicemaster.com is shared with other domains, for instance buildcosmo.com, otyoo.com, cathook.club and two others.

The name servers of practicemaster.com overlap at least partially with those of other domains — among them steinereducation.edu.au, citycruises.net, dybqe.com and two more.

The name servers vivienne.ns.cloudflare.com, ganz.ns.cloudflare.com and vin.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

james.ns.cloudflare.com has IP addresses 108.162.193.178, 172.64.33.178 and 173.245.59.178, plus 3 other.

melany.ns.cloudflare.com has IP addresses 108.162.194.138, 162.159.38.138 and 172.64.34.138, plus 3 other.

Mail Servers

practicemaster.com uses one mail server — practicemaster-com.mail.protection.outlook.com.

practicemaster-com.mail.protection.outlook.com has 8 IP addresses: 52.101.9.5, 52.101.9.26, 52.101.11.9 plus 5 more.