🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mathtomastery.com`

DNSSEC	⚠️ Not signed
A	23.227.38.65^{🇨🇦 Cloudflare23.227.38.0/23 Shopify 151 O'Connor Street, Ground floor Ottawa ON K2P 2L8 Canada}
		PTR	`myshopify.com`
NS	`premium-ns1.dnsowl.com` ⭐
		A	2610:1c8:b002::105^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
		A	199.167.66.105^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`premium-ns1.dnsowl.com`
NS	`premium-ns2.dnsowl.com`
		A	2610:1c8:b001::105^{🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
		A	104.37.178.105^{🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`premium-ns2.dnsowl.com`
NS	`premium-ns3.dnsowl.com`
		A	2610:1c8:b002::150^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
		A	199.167.66.150^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`premium-ns3.dnsowl.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`google-site-verification=vezEiS01qg-MlMG-NfZ5IHw-P9-akPDR501swXlw6rI`
TXT	`v=spf1 include:_spf.mlsend.com include:zcsend.net include:zoho.com ~all`
TXT	`zoho-verification=zb76025008.zmverify.zoho.com`
SOA	`premium-ns1.dnsowl.com`hostmaster@dnsowl.com serial=8

`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=1790(0x37313735)79

Same first word

mathtomastery.com

Previous names

Next names

DNS History

10 records (7 active, 3 former)

●NSpremium-ns1.dnsowl.com2020-03-31 → 2026-09-29 · 2 obs

● 2020-03-31 18:37:20
● 2026-09-29 21:45:50

●NSpremium-ns2.dnsowl.com2020-03-31 → 2026-09-29 · 2 obs

● 2020-03-31 18:37:20
● 2026-09-29 21:45:50

●NSpremium-ns3.dnsowl.com2020-03-31 → 2026-09-29 · 2 obs

● 2020-03-31 18:37:20
● 2026-09-29 21:45:50

●MXmx.zoho.com2026-09-25 → 2026-09-29 · 2 obs

● 2026-09-25 04:20:56
● 2026-09-29 21:45:50

●MXmx2.zoho.com2026-09-25 → 2026-09-29 · 2 obs

● 2026-09-25 04:20:56
● 2026-09-29 21:45:50

●MXmx3.zoho.com2026-09-25 → 2026-09-29 · 2 obs

● 2026-09-25 04:20:56
● 2026-09-29 21:45:50

○A107.161.23.2042020-03-31 → 2020-03-31 · 3 obs

● 2020-03-31 18:37:20
○ 2026-09-25 04:20:56
○ 2026-09-29 21:45:50

○A192.161.187.2002020-03-31 → 2020-03-31 · 3 obs

● 2020-03-31 18:37:20
○ 2026-09-25 04:20:56
○ 2026-09-29 21:45:50

○A209.141.38.712020-03-31 → 2020-03-31 · 3 obs

● 2020-03-31 18:37:20
○ 2026-09-25 04:20:56
○ 2026-09-29 21:45:50

●A23.227.38.652026-09-25 → 2026-09-29 · 3 obs

○ 2020-03-31 18:37:20
● 2026-09-25 04:20:56
● 2026-09-29 21:45:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
mathtomastery.com	premium-ns1.dnsowl.com, premium-ns2.dnsowl.com, premium-ns3.dnsowl.com	6 records

✅ Authoritative Response

Server:199.167.66.105

NS records: premium-ns1.dnsowl.com, premium-ns2.dnsowl.com, premium-ns3.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathtomastery.com (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.227.38.65`
NS	3	`premium-ns1.dnsowl.com, premium-ns2.dnsowl.com...`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	3	`google-site-verification=vezEiS01qg-MlMG, v=spf1 include:_spf.mlsend.com include:z...`
SOA	1	`premium-ns1.dnsowl.com hostmaster.dnsowl`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (premium-ns1.dnsowl.com, premium-ns1.dnsowl.com, premium-ns2.dnsowl.com...)

Analysis

IP Addresses

mathtomastery.com points to a single IP number: 23.227.38.65.

Additional host names — joistrunner.org, zistore.in, flcliving.com and two others — share IP numbers with mathtomastery.com.

Name Servers

Three name servers are authoritative for mathtomastery.com: premium-ns1.dnsowl.com, premium-ns2.dnsowl.com and premium-ns3.dnsowl.com.

At least some of mathtomastery.com's name servers are shared with other domains, for example gatheringfolds.com, simplythebestcrm.com, royalmanagemantlogistics.com and two more.

premium-ns1.dnsowl.com resolves to 199.167.66.105 and 2610:1c8:b002::105. premium-ns2.dnsowl.com resolves to 104.37.178.105 and 2610:1c8:b001::105. premium-ns3.dnsowl.com resolves to 199.167.66.150 and 2610:1c8:b002::150. All three hostnames point to two IP numbers each.

Mail Servers

The MX records for mathtomastery.com list three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

mathtomastery.com shares mail servers — at least in part — with other domains, including theskywings.com, theambassadornews.com, riff-studio.com and two others.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com all resolve to 136.143.191.44, with each host carrying exactly one IP address.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com are host names that all point to 136.143.191.44.

mathtomastery.com - robtex.com