dev.coolmath.com - dns.ninja

`dev.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
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

`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` ⭐
NS	`zainab.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
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

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

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DNS History

4 records (4 active, 0 former)

●A104.18.42.1002026-03-30 → 2026-06-28 · 2 obs

● 2026-03-30 08:58:30
● 2026-06-28 08:08:20

●A172.64.145.1562026-03-30 → 2026-06-28 · 2 obs

● 2026-03-30 08:58:30
● 2026-06-28 08:08:20

●A2606:4700:4408::6812:2a642026-03-30 → 2026-06-28 · 2 obs

● 2026-03-30 08:58:30
● 2026-06-28 08:08:20

●A2a06:98c1:3109::ac40:919c2026-03-30 → 2026-06-28 · 2 obs

● 2026-03-30 08:58:30
● 2026-06-28 08:08:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 202ms | 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`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

dev.coolmath.com has four IP addresses: 104.18.42.100, 172.64.145.156, 2606:4700:4408::6812:2a64 and 2a06:98c1:3109::ac40:919c.

Additional host names — zhu-6041146.w-2-t-b.com, www.coolmath.com, coolmath.com and two others — share IP numbers with dev.coolmath.com.