`masteringdatascience.com`

DNSSEC	⚠️ Not signed
A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
NS	`ns05.domaincontrol.com` ⭐
		A	2603:5:2160::3^{🇺🇸 GODADDY-DNS2603:5:2160::/44}
			PTR	`ns05.domaincontrol.com`
		A	97.74.102.3^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns05.domaincontrol.com`
NS	`ns06.domaincontrol.com`
		A	2603:5:2260::3^{🇺🇸 GODADDY-DNS2603:5:2260::/44}
			PTR	`ns06.domaincontrol.com`
		A	173.201.70.3^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns06.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`ns05.domaincontrol.com`dns@jomax.net 2023-09-18 #0

`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=1774571487

Same first word

masteringdatascience.com

DNS History

13 records (6 active, 7 former)

●NSns05.domaincontrol.com2016-12-17 → 2026-03-27 · 2 obs

● 2016-12-17 06:49:30
● 2026-03-27 00:56:46

●NSns06.domaincontrol.com2016-12-17 → 2026-03-27 · 2 obs

● 2016-12-17 06:49:30
● 2026-03-27 00:56:46

●MXmailstore1.secureserver.net2016-12-17 → 2026-03-27 · 2 obs

● 2016-12-17 06:49:30
● 2026-03-27 00:56:46

●MXsmtp.secureserver.net2016-12-17 → 2026-03-27 · 2 obs

● 2016-12-17 06:49:30
● 2026-03-27 00:56:46

●A15.197.148.332026-03-27 → 2026-03-27 · 2 obs

○ 2017-11-10 01:08:32
● 2026-03-27 00:56:46

○A184.168.221.442017-11-10 → 2017-11-10 · 3 obs

○ 2016-12-17 06:49:30
● 2017-11-10 01:08:32
○ 2026-03-27 00:56:46

●A3.33.130.1902026-03-27 → 2026-03-27 · 2 obs

○ 2017-11-10 01:08:32
● 2026-03-27 00:56:46

○A50.63.202.342017-11-10 → 2017-11-10 · 3 obs

○ 2016-12-17 06:49:30
● 2017-11-10 01:08:32
○ 2026-03-27 00:56:46

○A50.63.202.462016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 06:49:30
○ 2017-11-10 01:08:32
○ 2026-03-27 00:56:46

○A50.63.202.512017-11-10 → 2017-11-10 · 3 obs

○ 2016-12-17 06:49:30
● 2017-11-10 01:08:32
○ 2026-03-27 00:56:46

○A50.63.202.562017-11-10 → 2017-11-10 · 3 obs

○ 2016-12-17 06:49:30
● 2017-11-10 01:08:32
○ 2026-03-27 00:56:46

○A50.63.202.582017-11-10 → 2017-11-10 · 3 obs

○ 2016-12-17 06:49:30
● 2017-11-10 01:08:32
○ 2026-03-27 00:56:46

○A50.63.202.622017-11-10 → 2017-11-10 · 3 obs

○ 2016-12-17 06:49:30
● 2017-11-10 01:08:32
○ 2026-03-27 00:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
masteringdatascience.com	ns05.domaincontrol.com, ns06.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.70.3

NS records: ns05.domaincontrol.com, ns06.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masteringdatascience.com (unsigned zone)

⏱️ Timing

Total: 343ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.130.190, 15.197.148.33`
NS	2	`ns05.domaincontrol.com, ns06.domaincontrol.com`
MX	2	`mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0)`
SOA	1	`ns05.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns05.domaincontrol.com, ns05.domaincontrol.com, ns06.domaincontrol.com...)

Analysis

IP Addresses

Two IP numbers are pointed to by masteringdatascience.com: 3.33.130.190 and 15.197.148.33.

other host names include cartelandco.nyc, kaimalina.com, thedogtrainingsecret.com, bestlawyerinthecity.com and vodabis.com; they share IP numbers with masteringdatascience.com.

Name Servers

Two name servers ns05.domaincontrol.com and ns06.domaincontrol.com handle the delegation for masteringdatascience.com.

masteringdatascience.com shares the same name server setup as other domains, for instance naturallypurebotanicals.com, bajamedispa.com, indiabigmart.com, citi401ksettlement.com and armedforcescigars.com.

masteringdatascience.com at least partially shares name servers with other domains, for instance thestepmom(0x706f726e).com, audopia.com, lacarguy.com, mysticsquirrel.com and clairealderksmiller.com.

Host names with two IP numbers:

ns05.domaincontrol.com points to 2603:5:2160::3 and 97.74.102.3.

ns06.domaincontrol.com points to 2603:5:2260::3 and 173.201.70.3.

Mail Servers

masteringdatascience.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

masteringdatascience.com uses the same mail server setup as other domains, for instance bonnevilleclub.com, arc.expert, pcsatcost.info, portaltodiscovery.org and personalequipment.com.

Host names with three IP numbers:

mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.

smtp.secureserver.net points to: 216.69.141.71, 216.69.141.84 and 216.69.141.113.

masteringdatascience.com - robtex.com