`masterdoctor.net`

DNSSEC	⚠️ Not signed
A	72.251.7.22^{🇨🇦 OVH72.251.0.0/17 Hosting route}
		PTR	`ip22.ip-72-251-7.net`
A	72.251.7.23^{🇨🇦 OVH72.251.0.0/17 Hosting route}
NS	`ns1.lander.d.parity.domains` ⭐ ⚠️ Not in parent delegation
		A	192.236.150.131^{🇺🇸 HOSTWINDS-1192.236.128.0/17 MNT-HL-29 route 192.236.128.000/17 AS54290}
NS	`dns101.registrar-servers.com` ⚠️ Not in zone NS records
		A	192.236.150.131^{🇺🇸 HOSTWINDS-1192.236.128.0/17 MNT-HL-29 route 192.236.128.000/17 AS54290}
NS	`dns102.registrar-servers.com` ⚠️ Not in zone NS records
		A	162.222.205.190^{🇺🇸 IONOS-AS162.222.200.0/21 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
NS	`ns2.lander.d.parity.domains` ⚠️ Not in parent delegation
		A	162.222.205.190^{🇺🇸 IONOS-AS162.222.200.0/21 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
SOA	`ns1.lander.d.parity.domains`hostmaster@lander.d.parity.domains serial=7

`net`

	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=1785882049

Same first word

masterdoctor.ru

masterdoctor.net

masterdoctor.com

Similar names

doctorstream.com

doctormaster.net

doctormaster.ru

doctormaster.com

redcatmotors.com

tomcatorders.com

doctormaster.com.br

streamdoctor.com

DNS History

19 records (6 active, 13 former)

○NSaaron.ns.cloudflare.com2026-04-20 → 2026-04-20 · 4 obs

○ 2017-01-03 09:36:24
● 2026-04-20 06:05:50
○ 2026-07-21 09:08:22
○ 2026-08-04 22:32:52

○NSchristina.ns.cloudflare.com2026-04-20 → 2026-04-20 · 4 obs

○ 2017-01-03 09:36:24
● 2026-04-20 06:05:50
○ 2026-07-21 09:08:22
○ 2026-08-04 22:32:52

●NSdns101.registrar-servers.com2026-07-21 → 2026-08-04 · 3 obs

○ 2026-04-20 06:05:50
● 2026-07-21 09:08:22
● 2026-08-04 22:32:52

●NSdns102.registrar-servers.com2026-07-21 → 2026-08-04 · 3 obs

○ 2026-04-20 06:05:50
● 2026-07-21 09:08:22
● 2026-08-04 22:32:52

○NSdns111.ovh.net2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 09:36:24
○ 2026-04-20 06:05:50
○ 2026-08-04 22:32:52

●NSns1.lander.d.parity.domains2026-07-21 → 2026-08-04 · 3 obs

○ 2026-04-20 06:05:50
● 2026-07-21 09:08:22
● 2026-08-04 22:32:52

○NSns111.ovh.net2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 09:36:24
○ 2026-04-20 06:05:50
○ 2026-08-04 22:32:52

●NSns2.lander.d.parity.domains2026-07-21 → 2026-08-04 · 3 obs

○ 2026-04-20 06:05:50
● 2026-07-21 09:08:22
● 2026-08-04 22:32:52

○MXmx0.ovh.net2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 09:36:24
○ 2026-04-20 06:05:50
○ 2026-08-04 22:32:52

○MXmxb.ovh.net2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 09:36:24
○ 2026-04-20 06:05:50
○ 2026-08-04 22:32:52

○A104.21.16.2272026-04-20 → 2026-04-20 · 3 obs

● 2026-04-20 06:05:50
○ 2026-07-21 09:08:22
○ 2026-08-04 22:32:52

○A172.67.216.1202026-04-20 → 2026-04-20 · 3 obs

● 2026-04-20 06:05:50
○ 2026-07-21 09:08:22
○ 2026-08-04 22:32:52

○A216.227.142.1712026-07-21 → 2026-07-21 · 3 obs

○ 2026-06-21 19:24:34
● 2026-07-21 09:08:22
○ 2026-08-04 22:32:52

○A2606:4700:3033::6815:10e32026-06-21 → 2026-06-21 · 4 obs

○ 2026-05-29 17:30:58
● 2026-06-21 19:24:34
○ 2026-07-21 09:08:22
○ 2026-08-04 22:32:52

○A2606:4700:3036::ac43:d8782026-04-20 → 2026-05-29 · 4 obs

● 2026-04-20 06:05:50
● 2026-05-29 17:30:58
○ 2026-06-21 19:24:34
○ 2026-08-04 22:32:52

○A2606:4700:3037::6815:10e32026-04-20 → 2026-05-29 · 4 obs

● 2026-04-20 06:05:50
● 2026-05-29 17:30:58
○ 2026-06-21 19:24:34
○ 2026-08-04 22:32:52

○A2606:4700:3037::ac43:d8782026-06-21 → 2026-06-21 · 4 obs

○ 2026-05-29 17:30:58
● 2026-06-21 19:24:34
○ 2026-07-21 09:08:22
○ 2026-08-04 22:32:52

●A72.251.7.222026-08-04 → 2026-08-04 · 2 obs

○ 2026-07-21 09:08:22
● 2026-08-04 22:32:52

●A72.251.7.232026-08-04 → 2026-08-04 · 2 obs

○ 2026-07-21 09:08:22
● 2026-08-04 22:32:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
masterdoctor.net	dns101.registrar-servers.com, dns102.registrar-servers.com	-

✅ Authoritative Response

Server:192.236.150.131

NS records: dns101.registrar-servers.com, dns102.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterdoctor.net (unsigned zone)

⏱️ Timing

Total: 447ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`72.251.7.23, 72.251.7.22`
NS	2	`ns1.lander.d.parity.domains, ns2.lander.d.parity.domains`
SOA	1	`ns1.lander.d.parity.domains hostmaster.l`

Analysis

IP Addresses

masterdoctor.net points to the IP addresses 72.251.7.22 and 72.251.7.23

xilorevanthis.com, btgp.org, s4m.store plus two other host names have IP numbers in common with masterdoctor.net.

Name Servers

Four name servers handle the delegation for masterdoctor.net: dns101.registrar-servers.com, dns102.registrar-servers.com, ns1.lander.d.parity.domains and ns2.lander.d.parity.domains.

There is at least partial name server overlap between masterdoctor.net and other domains — www.gonextsolutions.com, byannmariemoore.com, svpath.com and two more among them.

Of the four host names dns101.registrar-servers.com, dns102.registrar-servers.com, ns1.lander.d.parity.domains and ns2.lander.d.parity.domains, each resolves to a single IP address: dns101.registrar-servers.com to 192.236.150.131, dns102.registrar-servers.com to 162.222.205.190, ns1.lander.d.parity.domains to 192.236.150.131 and ns2.lander.d.parity.domains to 162.222.205.190.

dns101.registrar-servers.com and ns1.lander.d.parity.domains each have 192.236.150.131 IP addresses.

dns102.registrar-servers.com and ns2.lander.d.parity.domains each have 162.222.205.190 IP addresses.

masterdoctor.net - robtex.com