mathcounts.org - dns.ninja

`mathcounts.org`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:12d5^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:13d5^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.18.213^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.19.213^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eric.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
NS	`hope.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hope.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hope.ns.cloudflare.com`
		A	108.162.192.163^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	172.64.32.163^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
		A	173.245.58.163^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hope.ns.cloudflare.com`
MX	`mathcounts-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	2a01:111:f403:f910::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.8.42^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr03cu00402.inbound.protection.outlook.com`
		A	52.101.9.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
TXT	`pardot980762=6e6a6b06414bb37580185b1dd61a53d3bb5064d8e01a0f3e17c1530e1a06714e`
TXT	`v=spf1 a include:spf.protection.outlook.com include:sendgrid.net include:spf....`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.18.213, 104.18.19.213
		IPv6 hints	2606:4700::6812:12d5, 2606:4700::6812:13d5
SOA	`eric.ns.cloudflare.com`dns@cloudflare.com serial=2407902974

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786249172

rank #206400 globally
rank #17243 in the tld
WOT: SAFE (96/100)
📈 Tranco rank: #465,446

Subdomains

videochallenge.mathcounts.org

www.mathcounts.org

www2.mathcounts.org

Same first word

mathcounts.com

mathcounts.org

Similar names

mascothunt.com

tucsonmath.com

DNS History

12 records (7 active, 5 former)

●NSeric.ns.cloudflare.com2026-02-15 → 2026-08-09 · 3 obs

○ 2016-12-26 17:50:54
● 2026-02-15 18:49:56
● 2026-08-09 04:28:28

●NShope.ns.cloudflare.com2026-02-15 → 2026-08-09 · 3 obs

○ 2016-12-26 17:50:54
● 2026-02-15 18:49:56
● 2026-08-09 04:28:28

○NSns1.bdm.microsoftonline.com2015-08-11 → 2016-12-26 · 4 obs

● 2015-08-11 08:17:18
● 2016-12-26 17:50:54
○ 2026-02-15 18:49:56
○ 2026-08-09 04:28:28

○NSns2.bdm.microsoftonline.com2015-08-11 → 2016-12-26 · 4 obs

● 2015-08-11 08:17:18
● 2016-12-26 17:50:54
○ 2026-02-15 18:49:56
○ 2026-08-09 04:28:28

○NSns3.bdm.microsoftonline.com2015-08-11 → 2016-12-26 · 4 obs

● 2015-08-11 08:17:18
● 2016-12-26 17:50:54
○ 2026-02-15 18:49:56
○ 2026-08-09 04:28:28

○NSns4.bdm.microsoftonline.com2015-08-11 → 2016-12-26 · 4 obs

● 2015-08-11 08:17:18
● 2016-12-26 17:50:54
○ 2026-02-15 18:49:56
○ 2026-08-09 04:28:28

●MXmathcounts-org.mail.protection.outlook.com2015-08-11 → 2026-08-09 · 2 obs

● 2015-08-11 08:17:18
● 2026-08-09 04:28:28

●A104.18.18.2132026-02-15 → 2026-08-09 · 3 obs

○ 2016-12-26 17:50:54
● 2026-02-15 18:49:56
● 2026-08-09 04:28:28

●A104.18.19.2132026-02-15 → 2026-08-09 · 3 obs

○ 2016-12-26 17:50:54
● 2026-02-15 18:49:56
● 2026-08-09 04:28:28

○A192.237.224.602015-08-11 → 2016-12-26 · 4 obs

● 2015-08-11 08:17:18
● 2016-12-26 17:50:54
○ 2026-02-15 18:49:56
○ 2026-08-09 04:28:28

●A2606:4700::6812:12d52026-02-15 → 2026-08-09 · 3 obs

○ 2016-12-26 17:50:54
● 2026-02-15 18:49:56
● 2026-08-09 04:28:28

●A2606:4700::6812:13d52026-02-15 → 2026-08-09 · 3 obs

○ 2016-12-26 17:50:54
● 2026-02-15 18:49:56
● 2026-08-09 04:28:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
mathcounts.org	hope.ns.cloudflare.com, eric.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.112

NS records: hope.ns.cloudflare.com, eric.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathcounts.org (unsigned zone)

⏱️ Timing

Total: 531ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.19.213, 104.18.18.213`
AAAA	2	`2606:4700::6812:12d5, 2606:4700::6812:13d5`
NS	2	`eric.ns.cloudflare.com, hope.ns.cloudflare.com`
MX	1	`mathcounts-org.mail.protection.outlook.c`
TXT	2	`pardot980762=6e6a6b06414bb37580185b1dd61, v=spf1 a include:spf.protection.outlook.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`eric.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mathcounts.org is a parent domain, with videochallenge.mathcounts.org, www.mathcounts.org and www2.mathcounts.org beneath it.

IP Addresses

mathcounts.org has four IP addresses: 104.18.18.213, 104.18.19.213, 2606:4700::6812:12d5 and 2606:4700::6812:13d5.

Two other host names, along with li3.cdbcdn.com, liplyavska-gromada.gov.ua and haijiao2066.com, also share IP numbers with mathcounts.org.

Name Servers

mathcounts.org uses two name servers for its delegation: eric.ns.cloudflare.com and hope.ns.cloudflare.com.

mathcounts.org shares its NS records with other domains, for example stokescounseling.com, wordpresshost.pro, newtarget.net and two others.

mathcounts.org has at least partial name server overlap with other domains, such as topclub.wtf, cakebakerecipes.com, givesecured.org and two others.

It is common to see these name servers used together with name servers anuj.ns.cloudflare.com and kay.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname eric.ns.cloudflare.com directs to 108.162.193.112, 172.64.33.112 and 173.245.59.112 along with 3 other IP addresses.

Hostname hope.ns.cloudflare.com directs to 108.162.192.163, 172.64.32.163 and 173.245.58.163 along with 3 other IP addresses.

Mail Servers

The sole mail server for mathcounts.org is mathcounts-org.mail.protection.outlook.com.

With 8 IP addresses total, mathcounts-org.mail.protection.outlook.com resolves to 52.101.8.42, 52.101.9.17, 52.101.41.180 and 5 others.