`mathematicswu.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns41.domaincontrol.com` ⭐
		A	2603:5:2142::15^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns41.domaincontrol.com`
		A	97.74.100.21^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns41.domaincontrol.com`
NS	`ns42.domaincontrol.com`
		A	2603:5:2242::15^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns42.domaincontrol.com`
		A	173.201.68.21^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns42.domaincontrol.com`
MX	`mathematicswu-com.mail.protection.outlook.com` ⭐
TXT	`NETORGFT3567537.onmicrosoft.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns41.domaincontrol.com`dns@jomax.net 2025-07-13 #3

`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

Same first word

mathematicswu.com

DNS History

15 records (5 active, 10 former)

●NSns41.domaincontrol.com2017-01-03 → 2026-03-23 · 2 obs

● 2017-01-03 08:52:12
● 2026-03-23 21:16:12

●NSns42.domaincontrol.com2017-01-03 → 2026-03-23 · 2 obs

● 2017-01-03 08:52:12
● 2026-03-23 21:16:12

○MXmailstore1.secureserver.net2017-01-03 → 2017-11-10 · 4 obs

● 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

●MXmathematicswu-com.mail.protection.outlook.com2026-03-12 → 2026-03-23 · 3 obs

○ 2017-11-10 03:27:30
● 2026-03-12 20:43:58
● 2026-03-23 21:16:12

○MXsmtp.secureserver.net2017-01-03 → 2017-11-10 · 4 obs

● 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

●A15.197.225.1282026-03-12 → 2026-03-23 · 3 obs

○ 2017-11-10 03:27:30
● 2026-03-12 20:43:58
● 2026-03-23 21:16:12

○A184.168.221.12017-11-10 → 2017-11-10 · 4 obs

○ 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

○A184.168.221.162017-11-10 → 2017-11-10 · 4 obs

○ 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

○A184.168.221.302017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 08:52:12
○ 2017-11-10 03:27:30
○ 2026-03-23 21:16:12

○A184.168.221.62017-11-10 → 2017-11-10 · 4 obs

○ 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

○A184.168.221.72017-11-10 → 2017-11-10 · 4 obs

○ 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

●A3.33.251.1682026-03-12 → 2026-03-23 · 3 obs

○ 2017-11-10 03:27:30
● 2026-03-12 20:43:58
● 2026-03-23 21:16:12

○A50.63.202.182017-11-10 → 2017-11-10 · 4 obs

○ 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

○A50.63.202.192017-11-10 → 2017-11-10 · 4 obs

○ 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

○A50.63.202.62017-11-10 → 2017-11-10 · 4 obs

○ 2017-01-03 08:52:12
● 2017-11-10 03:27:30
○ 2026-03-12 20:43:58
○ 2026-03-23 21:16:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mathematicswu.com	ns41.domaincontrol.com, ns42.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.68.21

NS records: ns41.domaincontrol.com, ns42.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathematicswu.com (unsigned zone)

⏱️ Timing

Total: 131ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns41.domaincontrol.com, ns42.domaincontrol.com`
MX	1	`mathematicswu-com.mail.protection.outloo`
TXT	2	`NETORGFT3567537.onmicrosoft.com, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns41.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns41.domaincontrol.com, ns41.domaincontrol.com, ns42.domaincontrol.com...)

Analysis

IP Addresses

mathematicswu.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.

other host names including snustead.com, jasonkain.com, b12-doctors.com, pacificsportsmarketing.com and splitreach.com share IP numbers with mathematicswu.com.

Name Servers

mathematicswu.com is delegated to two name servers ns41.domaincontrol.com and ns42.domaincontrol.com.

mathematicswu.com shares the same name server setup as other domains, for instance fernwood.us, cacurbappeal.com, saroveer.com, ivaluemyhome.com and kdtsupply.com.

mathematicswu.com shares name servers with other domains at least partially, for example pharmatac.us and cdstjanvier.com.

Host names with two IP numbers:

The host name ns41.domaincontrol.com points to 2603:5:2142::15 and 97.74.100.21; the host name ns42.domaincontrol.com points to 2603:5:2242::15 and 173.201.68.21.

Mail Servers

mathematicswu.com is handled by a single mail server, mathematicswu-com.mail.protection.outlook.com.

mathematicswu.com - robtex.com