`captainmathapp.com`

DNSSEC	⚠️ Not signed
A	208.102.186.164^{🇺🇸 FUSE-NET208.102.128.0/17 -BLK-8 top half}
		PTR	`ip-208-102-186-164.dynamic.fuse.net`
NS	`ns51.domaincontrol.com` ⭐
		A	2603:5:2192::1a^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns51.domaincontrol.com`
		A	97.74.105.26^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns51.domaincontrol.com`
NS	`ns52.domaincontrol.com`
		A	2603:5:2292::1a^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns52.domaincontrol.com`
		A	173.201.73.26^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns52.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	`ns51.domaincontrol.com`dns@jomax.net 2026-02-19 #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=1784976802

Previously MX for

captainmathapp.com

Same first word

captainmathapp.com

DNS History

12 records (5 active, 7 former)

○NSns1.webhostinghub.com2015-06-15 → 2015-10-28 · 4 obs

● 2015-06-15 04:05:44
● 2015-10-28 06:08:16
○ 2016-01-15 22:37:36
○ 2026-07-25 11:02:40

○NSns2.webhostinghub.com2015-06-15 → 2015-10-28 · 4 obs

● 2015-06-15 04:05:44
● 2015-10-28 06:08:16
○ 2016-01-15 22:37:36
○ 2026-07-25 11:02:40

●NSns51.domaincontrol.com2016-01-15 → 2026-07-25 · 3 obs

○ 2015-10-28 06:08:16
● 2016-01-15 22:37:36
● 2026-07-25 11:02:40

●NSns52.domaincontrol.com2016-01-15 → 2026-07-25 · 3 obs

○ 2015-10-28 06:08:16
● 2016-01-15 22:37:36
● 2026-07-25 11:02:40

○MXcaptainmathapp.com2015-06-15 → 2015-10-28 · 4 obs

● 2015-06-15 04:05:44
● 2015-10-28 06:08:16
○ 2016-01-15 22:37:36
○ 2026-07-25 11:02:40

●MXmailstore1.secureserver.net2016-01-15 → 2026-07-25 · 3 obs

○ 2015-10-28 06:08:16
● 2016-01-15 22:37:36
● 2026-07-25 11:02:40

●MXsmtp.secureserver.net2016-01-15 → 2026-07-25 · 3 obs

○ 2015-10-28 06:08:16
● 2016-01-15 22:37:36
● 2026-07-25 11:02:40

○A173.205.127.1242015-06-15 → 2015-10-28 · 4 obs

● 2015-06-15 04:05:44
● 2015-10-28 06:08:16
○ 2016-01-15 22:37:36
○ 2026-07-25 11:02:40

●A208.102.186.1642026-03-19 → 2026-07-25 · 3 obs

○ 2019-03-06 06:09:12
● 2026-03-19 13:48:42
● 2026-07-25 11:02:40

○A24.210.161.882016-01-15 → 2017-02-17 · 5 obs

○ 2015-10-28 06:08:16
● 2016-01-15 22:37:36
● 2017-02-17 01:12:50
○ 2019-03-06 06:09:12
○ 2026-07-25 11:02:40

○A74.215.102.682026-03-19 → 2026-07-25 · 2 obs

○ 2026-03-19 13:48:42
○ 2026-07-25 11:02:40

○A74.215.66.2032019-03-06 → 2019-03-06 · 4 obs

○ 2017-02-17 01:12:50
● 2019-03-06 06:09:12
○ 2026-03-19 13:48:42
○ 2026-07-25 11:02:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
captainmathapp.com	ns51.domaincontrol.com, ns52.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.105.26

NS records: ns51.domaincontrol.com, ns52.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for captainmathapp.com (unsigned zone)

⏱️ Timing

Total: 664ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.102.186.164`
NS	2	`ns51.domaincontrol.com, ns52.domaincontrol.com`
MX	2	`mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0)`
SOA	1	`ns51.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)

Analysis

IP Addresses

captainmathapp.com resolves to one IP address: 208.102.186.164.

algebraic-inclinations.com and dinejergens.com are among other host names that share IP numbers with captainmathapp.com.

Name Servers

The NS records for captainmathapp.com delegate to ns51.domaincontrol.com and ns52.domaincontrol.com.

captainmathapp.com uses the same name servers as several other domains — among them umunna.org, absoluterealty.us, extremeedge.net and two more.

ns51.domaincontrol.com resolves to 97.74.105.26 and 2603:5:2192::1a. Likewise, ns52.domaincontrol.com resolves to 173.201.73.26 and 2603:5:2292::1a — two IP addresses apiece.

Mail Servers

Mail for captainmathapp.com is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.

captainmathapp.com uses an identical mail server configuration to several other domains — among them hamptoninncoconutcreek.com, compureparaciones.com.mx, jacobfranchetti.com and two more.

captainmathapp.com has at least partial mail server overlap with other domains such as williamsandwallace.com, southeastinternational.com, toddunger.com and two more.

Both mailstore1.secureserver.net and smtp.secureserver.net point to three IP numbers: mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162, while smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

captainmathapp.com - robtex.com