`mathtoolbox4teachers.com`

DNSSEC	⚠️ Not signed
A	192.185.98.254^{🇺🇸 ORACLE-OCI-31898192.185.96.0/19 Oracle Corporation}
		PTR	`192-185-98-254.unifiedlayer.com`
NS	`ns1.gtwebhost.com` ⭐
		A	192.185.98.248^{🇺🇸 ORACLE-OCI-31898192.185.96.0/19 Oracle Corporation}
			PTR	`ns1137.websitewelcome.com`
NS	`ns2.gtwebhost.com`
		A	192.185.98.249^{🇺🇸 ORACLE-OCI-31898192.185.96.0/19 Oracle Corporation}
			PTR	`ns1138.websitewelcome.com`
MX	`mail.mathtoolbox4teachers.com` ⭐
		A	192.185.98.254^{🇺🇸 ORACLE-OCI-31898192.185.96.0/19 Oracle Corporation}
			PTR	`192-185-98-254.unifiedlayer.com`
TXT	`v=spf1 a mx include:websitewelcome.com ~all`
SOA	`ns1.gtwebhost.com`joevelez29@gmail.com 2026-01-24 #1

`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

Previously MX for

mathtoolbox4teachers.com

Subdomains

mail.mathtoolbox4teachers.com

Same first word

mathtoolbox4teachers.com

DNS History

6 records (4 active, 2 former)

●NSns1.gtwebhost.com2017-01-04 → 2026-03-23 · 2 obs

● 2017-01-04 22:56:40
● 2026-03-23 23:39:24

●NSns2.gtwebhost.com2017-01-04 → 2026-03-23 · 2 obs

● 2017-01-04 22:56:40
● 2026-03-23 23:39:24

●MXmail.mathtoolbox4teachers.com2026-02-22 → 2026-03-23 · 3 obs

○ 2018-01-01 03:53:30
● 2026-02-22 09:45:52
● 2026-03-23 23:39:24

○MXmathtoolbox4teachers.com2017-01-04 → 2018-01-01 · 4 obs

● 2017-01-04 22:56:40
● 2018-01-01 03:53:30
○ 2026-02-22 09:45:52
○ 2026-03-23 23:39:24

●A192.185.98.2542026-02-22 → 2026-03-23 · 3 obs

○ 2018-01-01 03:53:30
● 2026-02-22 09:45:52
● 2026-03-23 23:39:24

○A72.52.194.2292017-01-04 → 2018-01-01 · 4 obs

● 2017-01-04 22:56:40
● 2018-01-01 03:53:30
○ 2026-02-22 09:45:52
○ 2026-03-23 23:39:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mathtoolbox4teachers.com	ns1.gtwebhost.com, ns2.gtwebhost.com	2 records

✅ Authoritative Response

Server:192.185.98.248

NS records: ns1.gtwebhost.com, ns2.gtwebhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathtoolbox4teachers.com (unsigned zone)

⏱️ Timing

Total: 96ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.185.98.254`
NS	2	`ns2.gtwebhost.com, ns1.gtwebhost.com`
MX	1	`mail.mathtoolbox4teachers.com (pri: 0)`
TXT	1	`v=spf1 a mx include:websitewelcome.com ~`
SOA	1	`ns1.gtwebhost.com joevelez29.gmail.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.gtwebhost.com, ns2.gtwebhost.com)

Analysis

Hierarchy

mathtoolbox4teachers.com is the parent of mail.mathtoolbox4teachers.com.

IP Addresses

mathtoolbox4teachers.com resolves to a single IP: 192.185.98.254.

Other host names, for instance mail.pictrust.com, kasvall.com, mail.mathtoolbox4teachers.com, gcpower.net and mail.necrome.com share IP numbers with mathtoolbox4teachers.com.

Name Servers

mathtoolbox4teachers.com has two name servers: ns1.gtwebhost.com and ns2.gtwebhost.com.

mathtoolbox4teachers.com uses the same name server setup as other domains, for example go-total.com and a-niks.org.

mathtoolbox4teachers.com partially shares name servers with other domains, for instance gtwebhost.com.

These name servers are commonly used together with ns1137.websitewelcome.com and ns1138.websitewelcome.com.

Host names with a single IP:

ns1.gtwebhost.com points to 192.185.98.248

ns2.gtwebhost.com points to 192.185.98.249

Mail Servers

mathtoolbox4teachers.com is handled by a single mail server, mail.mathtoolbox4teachers.com.

Host name mail.mathtoolbox4teachers.com points to IP 192.185.98.254.

mathtoolbox4teachers.com - robtex.com