`mathreference.com`

DNSSEC	⚠️ Not signed
A	216.252.162.35^{🇺🇸 HURRICANE216.252.162.0/23 IO Cooperative}
		PTR	`216-252-162-35.iocoop.org`
NS	`ns1.yourhostingaccount.com` ⭐ ⚠️ Not in parent delegation
		A	65.254.254.102^{🇺🇸 EIG-2987365.254.224.0/19 TML Customer}
			PTR	`ns1.yourhostingaccount.com`
NS	`ns1.mydomain.com` ⚠️ Not in zone NS records
		A	172.64.52.99^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.mydomain.com` ⚠️ Not in zone NS records
		A	172.64.53.76^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.yourhostingaccount.com` ⚠️ Not in parent delegation
		A	65.254.254.155^{🇺🇸 EIG-2987365.254.224.0/19 TML Customer}
			PTR	`ns2.yourhostingaccount.com`
NS	`ns3.mydomain.com` ⚠️ Not in zone NS records
		A	172.64.52.99^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.yourhostingaccount.com`admin@yourhostingaccount.com 2012-11-21 #31

`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=1776014382

WOT: SAFE (66/100)

Subdomains

www.mathreference.com

Same first word

mathreference.com

mathreference.org

DNS History

9 records (6 active, 3 former)

●NSns1.mydomain.com2026-02-19 → 2026-04-12 · 3 obs

○ 2018-11-11 08:36:30
● 2026-02-19 11:12:48
● 2026-04-12 17:47:32

●NSns1.yourhostingaccount.com2015-06-12 → 2026-04-12 · 2 obs

● 2015-06-12 11:07:50
● 2026-04-12 17:47:32

●NSns2.mydomain.com2026-02-19 → 2026-04-12 · 3 obs

○ 2018-11-11 08:36:30
● 2026-02-19 11:12:48
● 2026-04-12 17:47:32

●NSns2.yourhostingaccount.com2015-10-27 → 2026-04-12 · 6 obs

○ 2015-06-12 11:07:50
● 2015-10-27 15:27:18
● 2017-01-14 03:09:04
○ 2018-11-11 08:36:30
● 2026-02-19 11:12:48
● 2026-04-12 17:47:32

●NSns3.mydomain.com2026-02-19 → 2026-04-12 · 3 obs

○ 2018-11-11 08:36:30
● 2026-02-19 11:12:48
● 2026-04-12 17:47:32

●A216.252.162.352026-02-19 → 2026-04-12 · 3 obs

○ 2018-11-11 08:36:30
● 2026-02-19 11:12:48
● 2026-04-12 17:47:32

○A68.84.191.772015-06-12 → 2016-04-13 · 4 obs

● 2015-06-12 11:07:50
● 2016-04-13 21:00:28
○ 2017-01-14 03:09:04
○ 2026-04-12 17:47:32

○A71.19.155.942017-01-14 → 2017-01-14 · 4 obs

○ 2016-04-13 21:00:28
● 2017-01-14 03:09:04
○ 2018-11-11 08:36:30
○ 2026-04-12 17:47:32

○CNAMEeklhad.net2015-06-12 → 2018-11-11 · 4 obs

● 2015-06-12 11:07:50
● 2018-11-11 08:36:30
○ 2026-02-19 11:12:48
○ 2026-04-12 17:47:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathreference.com	ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com	3 records

✅ Authoritative Response

Server:172.64.53.76

NS records: ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathreference.com (unsigned zone)

⏱️ Timing

Total: 141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.252.162.35`
NS	2	`ns1.yourhostingaccount.com, ns2.yourhostingaccount.com`
SOA	1	`ns1.yourhostingaccount.com admin.yourhos`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com)

Analysis

Hierarchy

The parent of www.mathreference.com is mathreference.com.

IP Addresses

mathreference.com points to a single IP number: 216.252.162.35.

Other host names, for instance www.mathreference.com, share IP numbers with mathreference.com.

Name Servers

mathreference.com is delegated to five name servers: ns1.mydomain.com, ns2.mydomain.com, ns3.mydomain.com, ns1.yourhostingaccount.com and ns2.yourhostingaccount.com.

mathreference.com shares name servers with other domains at least partially, for instance wesellthornton.com, txadc.org, gentisoft.com, qcommission.net and privatefamilyofc.com.

these name servers are commonly used with the name servers ns4.mydomain.com, ns1.dotster.com, ns2.dotster.com, ns1.domain.com, ns2.domain.com, ns1.netfirms.com, ns2.netfirms.com, ns3.domain.com, ns1.verio.com and ns2.verio.com.

Host names with one IP:

ns1.mydomain.com points to 172.64.52.99.

ns2.mydomain.com points to 172.64.53.76.

ns3.mydomain.com points to 172.64.52.99.

ns1.yourhostingaccount.com points to 65.254.254.102.

ns2.yourhostingaccount.com points to 65.254.254.155.

Host names pointing to 172.64.52.99: ns1.mydomain.com and ns3.mydomain.com.

mathreference.com - robtex.com