mathhd.com - dns.ninja

`mathhd.com`

DNSSEC	⚠️ Not signed
A	3.230.199.117^{🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix}
		PTR	`static-1a.turbifysites.com`
A	35.168.67.138^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
NS	`ns1.turbify.com` ⭐
		A	20.121.230.119^{🇺🇸 Microsoft20.64.0.0/10}
NS	`ns2.turbify.com`
		A	134.33.240.61^{🇬🇧 Microsoft134.33.0.0/16}
MX	`mx-biz.mail.am0.yahoodns.net` ⭐
		A	67.195.204.83^{🇺🇸 Yahoo67.195.204.0/24 Verizon Media BF1}
			PTR	`mtaproxy1.biz.mail.vip.bf1.yahoo.com`
		A	67.195.228.75^{🇺🇸 Yahoo67.195.228.0/24 Verizon Media GQ1}
			PTR	`mtaproxy1.biz.mail.vip.gq1.yahoo.com`
SOA	`ns1.turbify.com`hostmaster@mathhd.com 2026-02-18 #2

`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=1785424272

Same first word

mathhd.com

Similar names

hdmath.com

ahthmd.com

DNS History

14 records (5 active, 9 former)

○NSno-dyn-updates.san.yahoo.com2015-08-06 → 2017-04-07 · 5 obs

○ 2008-03-09 03:53:40
● 2015-08-06 08:22:06
● 2017-04-07 15:04:32
○ 2026-03-29 15:17:44
○ 2026-07-30 15:39:14

●NSns1.turbify.com2026-03-29 → 2026-07-30 · 3 obs

○ 2017-04-07 15:04:32
● 2026-03-29 15:17:44
● 2026-07-30 15:39:14

●NSns2.turbify.com2026-03-29 → 2026-07-30 · 3 obs

○ 2017-04-07 15:04:32
● 2026-03-29 15:17:44
● 2026-07-30 15:39:14

○NSns45.domaincontrol.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:53:40
○ 2015-08-06 08:22:06
○ 2026-07-30 15:39:14

○NSns46.domaincontrol.com2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:53:40
○ 2015-08-06 08:22:06
○ 2026-07-30 15:39:14

○NSyns1.yahoo.com2015-08-06 → 2017-04-07 · 5 obs

○ 2008-03-09 03:53:40
● 2015-08-06 08:22:06
● 2017-04-07 15:04:32
○ 2026-03-29 15:17:44
○ 2026-07-30 15:39:14

○NSyns2.yahoo.com2015-08-06 → 2017-04-07 · 5 obs

○ 2008-03-09 03:53:40
● 2015-08-06 08:22:06
● 2017-04-07 15:04:32
○ 2026-03-29 15:17:44
○ 2026-07-30 15:39:14

○MXmailstore1.secureserver.net2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:53:40
○ 2015-08-06 08:22:06
○ 2026-07-30 15:39:14

●MXmx-biz.mail.am0.yahoodns.net2015-08-06 → 2026-07-30 · 3 obs

○ 2008-03-09 03:53:40
● 2015-08-06 08:22:06
● 2026-07-30 15:39:14

○MXsmtp.secureserver.net2008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:53:40
○ 2015-08-06 08:22:06
○ 2026-07-30 15:39:14

●A3.230.199.1172026-03-29 → 2026-07-30 · 3 obs

○ 2017-04-07 15:04:32
● 2026-03-29 15:17:44
● 2026-07-30 15:39:14

●A35.168.67.1382026-03-29 → 2026-07-30 · 3 obs

○ 2017-04-07 15:04:32
● 2026-03-29 15:17:44
● 2026-07-30 15:39:14

○A64.202.189.1702008-03-09 → 2008-03-09 · 3 obs

● 2008-03-09 03:53:40
○ 2015-08-06 08:22:06
○ 2026-07-30 15:39:14

○A67.195.61.462015-08-06 → 2017-04-07 · 5 obs

○ 2008-03-09 03:53:40
● 2015-08-06 08:22:06
● 2017-04-07 15:04:32
○ 2026-03-29 15:17:44
○ 2026-07-30 15:39:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
mathhd.com	ns1.turbify.com, ns2.turbify.com	2 records

✅ Authoritative Response

Server:20.121.230.119

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathhd.com (unsigned zone)

⏱️ Timing

Total: 112ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`35.168.67.138, 3.230.199.117`
NS	2	`ns1.turbify.com, ns2.turbify.com`
MX	2	`mx-biz.mail.am0.yahoodns.net (pri: 20), mx-biz.mail.am0.yahoodns.net (pri: 30)`
SOA	1	`ns1.turbify.com hostmaster.mathhd.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

mathhd.com has two IP addresses: 3.230.199.117 and 35.168.67.138

Among the host names that share IP numbers with mathhd.com are allenjernigan.com, innovasio.com, tlgroups.com and two others.

Name Servers

mathhd.com uses two name servers for its delegation: ns1.turbify.com and ns2.turbify.com.

mathhd.com has the same name server delegation as a number of other domains, such as ronaschemicals.com, aplasticos.com, ganzworks.com and two more.

The name servers of mathhd.com overlap at least partially with those of other domains — among them satomiblair.com, sorcihealthcare.com, bluetrack.com and two more.

These name servers commonly appear alongside the name servers yns1.yahoo.com and yns2.yahoo.com.

Both ns1.turbify.com and ns2.turbify.com have a single IP address each — ns1.turbify.com resolves to 20.121.230.119 while ns2.turbify.com resolves to 134.33.240.61.

Mail Servers

mathhd.com routes its mail through a single mail server, mx-biz.mail.am0.yahoodns.net.

mathhd.com has the same mail server arrangement as a number of other domains, for example volker.net, shorenet.us, straface.com and two more.

At least some of mathhd.com's mail servers are shared with other domains, among them rds101.com, heatherhavenstories.com and vistasbelow.com.

mx-biz.mail.am0.yahoodns.net resolves to two IP numbers — 67.195.204.83 and 67.195.228.75.