coolmath.com - dns.ninja

`coolmath.com`

DNSSEC	⚠️ Not signed
A	2606:4700:4408::6812:2a64^{🇺🇸 Cloudflare2606:4700:4408::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2a06:98c1:3109::ac40:919c^{🇺🇸 Cloudflare2a06:98c1:3109::/48} ✓ In HTTPS hints
A	104.18.42.100^{Cloudflare104.18.42.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.145.156^{🇺🇸 Cloudflare172.64.145.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tosana.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c2b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c32b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tosana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:232b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tosana.ns.cloudflare.com`
		A	108.162.195.43^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	162.159.44.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	172.64.35.43^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
NS	`zainab.ns.cloudflare.com`
		A	2606:4700:50::a29f:2695^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zainab.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c295^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zainab.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2295^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zainab.ns.cloudflare.com`
		A	108.162.194.149^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zainab.ns.cloudflare.com`
		A	162.159.38.149^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zainab.ns.cloudflare.com`
		A	172.64.34.149^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zainab.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`MS=ms21932356`
TXT	`_globalsign-domain-verification=4F75HIXJYgIp1lJKOK40HSdTb5jUc09eGA2yrgx5kz`
TXT	`_globalsign-domain-verification=DjBPCE5JdNQORyKb8j9ophvqlHdlvZpuZXU5rl0wwH`
TXT	`_globalsign-domain-verification=FjGlLygS2e2JqUliuaIA5Kj8z13bmm0WcuNPh3B44e`
TXT	`google-site-verification=XROIH06lwHEgLwJo9q-0d6h-7jztjnCBPiJMMpkc8eY`
TXT	`google-site-verification=i5OOSTE_yPV35bThyLvKZmsK-ZDdfVS1t2uymHHLBSk`
TXT	`google-site-verification=iWq8R5SfIWlV_91Cz2OaT58wo8KOIf2ieLa7WHlo5II`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.42.100, 172.64.145.156
		IPv6 hints	2606:4700:4408::6812:2a64, 2a06:98c1:3109::ac40:919c
SOA	`tosana.ns.cloudflare.com`dns@cloudflare.com serial=2408081637

`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=1782658155

rank #62778 globally
rank #30332 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #179,653

Subdomains

www.coolmath.com

dev.coolmath.com

Same first word

coolmath.ca

coolmath.eu

coolmath.io

coolmath.cm

coolmath.de

coolmath.com

coolmath.nyc

coolmath.online

coolmath.net

coolmath.ru

coolmath.org

coolmath.cn

coolmath.us

coolmath.ws

Similar names

mathcool.com

coolamth.com

toolmach.eu

lootahmc.com

tholomac.com

toolmach.com

mathcool.games

chatloom.com

machtool.com

olochmat.com

machtool.pl

toolmach.co.uk

hotalcom.com

DNS History

30 records (11 active, 19 former)

○NSns-1217.awsdns-24.org2016-10-28 → 2021-08-05 · 5 obs

○ 2015-09-04 07:54:16
● 2016-10-28 11:17:06
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns-1901.awsdns-45.co.uk2016-10-28 → 2021-08-05 · 5 obs

○ 2015-09-04 07:54:16
● 2016-10-28 11:17:06
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns-336.awsdns-42.com2016-10-28 → 2021-08-05 · 5 obs

○ 2015-09-04 07:54:16
● 2016-10-28 11:17:06
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns-933.awsdns-52.net2016-10-28 → 2021-08-05 · 5 obs

○ 2015-09-04 07:54:16
● 2016-10-28 11:17:06
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns0.dnsmadeeasy.com2015-09-04 → 2021-08-05 · 4 obs

● 2015-09-04 07:54:16
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns1.dnsmadeeasy.com2015-09-04 → 2021-08-05 · 4 obs

● 2015-09-04 07:54:16
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns2.dnsmadeeasy.com2015-09-04 → 2021-08-05 · 4 obs

● 2015-09-04 07:54:16
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns3.dnsmadeeasy.com2015-09-04 → 2021-08-05 · 4 obs

● 2015-09-04 07:54:16
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○NSns4.dnsmadeeasy.com2015-09-04 → 2021-08-05 · 4 obs

● 2015-09-04 07:54:16
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

●NStosana.ns.cloudflare.com2026-02-15 → 2026-06-28 · 3 obs

○ 2021-08-05 10:36:06
● 2026-02-15 07:30:20
● 2026-06-28 15:15:22

●NSzainab.ns.cloudflare.com2026-02-15 → 2026-06-28 · 3 obs

○ 2021-08-05 10:36:06
● 2026-02-15 07:30:20
● 2026-06-28 15:15:22

●MXalt1.aspmx.l.google.com2021-08-05 → 2026-06-28 · 3 obs

○ 2021-04-28 22:43:10
● 2021-08-05 10:36:06
● 2026-06-28 15:15:22

●MXalt2.aspmx.l.google.com2021-08-05 → 2026-06-28 · 3 obs

○ 2021-04-28 22:43:10
● 2021-08-05 10:36:06
● 2026-06-28 15:15:22

●MXalt3.aspmx.l.google.com2021-08-05 → 2026-06-28 · 3 obs

○ 2021-04-28 22:43:10
● 2021-08-05 10:36:06
● 2026-06-28 15:15:22

●MXalt4.aspmx.l.google.com2021-08-05 → 2026-06-28 · 3 obs

○ 2021-04-28 22:43:10
● 2021-08-05 10:36:06
● 2026-06-28 15:15:22

●MXaspmx.l.google.com2021-08-05 → 2026-06-28 · 3 obs

○ 2021-04-28 22:43:10
● 2021-08-05 10:36:06
● 2026-06-28 15:15:22

○MXcoolmath-com.mail.protection.outlook.com2015-09-04 → 2021-04-28 · 4 obs

● 2015-09-04 07:54:16
● 2021-04-28 22:43:10
○ 2021-08-05 10:36:06
○ 2026-06-28 15:15:22

●A104.18.42.1002026-02-15 → 2026-06-28 · 3 obs

○ 2021-08-05 10:36:06
● 2026-02-15 07:30:20
● 2026-06-28 15:15:22

○A151.101.0.1292017-04-20 → 2017-10-08 · 5 obs

○ 2017-02-12 03:51:54
● 2017-04-20 20:27:06
● 2017-10-08 10:02:20
○ 2020-12-11 16:39:00
○ 2026-06-28 15:15:22

○A151.101.128.1292017-04-20 → 2017-10-08 · 5 obs

○ 2017-02-12 03:51:54
● 2017-04-20 20:27:06
● 2017-10-08 10:02:20
○ 2020-12-11 16:39:00
○ 2026-06-28 15:15:22

○A151.101.130.2172020-12-11 → 2021-08-05 · 5 obs

○ 2017-10-08 10:02:20
● 2020-12-11 16:39:00
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○A151.101.192.1292017-04-20 → 2017-10-08 · 5 obs

○ 2017-02-12 03:51:54
● 2017-04-20 20:27:06
● 2017-10-08 10:02:20
○ 2020-12-11 16:39:00
○ 2026-06-28 15:15:22

○A151.101.194.2172020-12-11 → 2021-08-05 · 5 obs

○ 2017-10-08 10:02:20
● 2020-12-11 16:39:00
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○A151.101.2.2172020-12-11 → 2021-08-05 · 5 obs

○ 2017-10-08 10:02:20
● 2020-12-11 16:39:00
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

○A151.101.64.1292017-04-20 → 2017-10-08 · 5 obs

○ 2017-02-12 03:51:54
● 2017-04-20 20:27:06
● 2017-10-08 10:02:20
○ 2020-12-11 16:39:00
○ 2026-06-28 15:15:22

○A151.101.66.2172020-12-11 → 2021-08-05 · 5 obs

○ 2017-10-08 10:02:20
● 2020-12-11 16:39:00
● 2021-08-05 10:36:06
○ 2026-02-15 07:30:20
○ 2026-06-28 15:15:22

●A172.64.145.1562026-02-15 → 2026-06-28 · 3 obs

○ 2021-08-05 10:36:06
● 2026-02-15 07:30:20
● 2026-06-28 15:15:22

○A23.235.33.1292015-09-04 → 2017-02-12 · 4 obs

● 2015-09-04 07:54:16
● 2017-02-12 03:51:54
○ 2017-04-20 20:27:06
○ 2026-06-28 15:15:22

●A2606:4700:4408::6812:2a642026-02-15 → 2026-06-28 · 3 obs

○ 2021-08-05 10:36:06
● 2026-02-15 07:30:20
● 2026-06-28 15:15:22

●A2a06:98c1:3109::ac40:919c2026-02-15 → 2026-06-28 · 3 obs

○ 2021-08-05 10:36:06
● 2026-02-15 07:30:20
● 2026-06-28 15:15:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...	-
coolmath.com	zainab.ns.cloudflare.com, tosana.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.43

NS records: zainab.ns.cloudflare.com, tosana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolmath.com (unsigned zone)

⏱️ Timing

Total: 255ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.145.156, 104.18.42.100`
AAAA	2	`2a06:98c1:3109::ac40:919c, 2606:4700:4408::6812:2a64`
NS	2	`tosana.ns.cloudflare.com, zainab.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	8	`MS=ms21932356, _globalsign-domain-verification=4F75HIXJ...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`tosana.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (zainab.ns.cloudflare.com, zainab.ns.cloudflare.com, zainab.ns.cloudflare.com...)

Analysis

Hierarchy

www.coolmath.com and dev.coolmath.com each fall under coolmath.com as their parent domain.

IP Addresses

coolmath.com directs to four IP numbers, which are 104.18.42.100, 172.64.145.156, 2606:4700:4408::6812:2a64 and 2a06:98c1:3109::ac40:919c.

Two other host names, along with kjinstitute.com, peek-cloppenburg.si and sportklub.n1info.rs, also share IP numbers with coolmath.com.

Name Servers

DNS delegation for coolmath.com points to two name servers: tosana.ns.cloudflare.com and zainab.ns.cloudflare.com.

coolmath.com shares its NS records with other domains, for example cooldominoes.com, coolgamezone.com, coolwordsearch.com and two others.

At least some of coolmath.com's name servers are shared with other domains, for example xyzmedia.net, chiyuancg.com, dioscuri.it and two more.

It is common for these name servers to be used in conjunction with the name servers henry.ns.cloudflare.com, adel.ns.cloudflare.com and celine.ns.cloudflare.com.

DNS names with 6 IP addresses:

tosana.ns.cloudflare.com has IP addresses 108.162.195.43, 162.159.44.43 and 172.64.35.43, plus 3 other.

zainab.ns.cloudflare.com has IP addresses 108.162.194.149, 162.159.38.149 and 172.64.34.149, plus 3 other.

Mail Servers

Five mail servers handle coolmath.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between coolmath.com and other domains, including ns500698.ns500758.ns500759.ns500758.ns500735.ns500698.ns500698.ns500736.ns500708.ns500698.ns500698.ns500619.ns500576.trackreceptor.com, ns500734.ns500693.ns500699.ns500734.ns500734.ns500734.ns500693.ns500588.ns500588.ns500588.ns500588.ns500588.ns500588.ns500612.ns500588.ns500578.ns500110.dtrkdll.com, ns500671.ns500671.ns500671.ns500742.ns500731.ns500754.ns500731.ns500705.ns500688.ns500649.ns500291.ns500671.ns500291.ns500153.tenderladiesbz.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com has two IP addresses: 192.178.155.27 and 2607:f8b0:4004:c25::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.