`extrememath.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c49a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:54cc^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.204^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.154^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dom.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dom.ns.cloudflare.com`
		A	108.162.193.157^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	172.64.33.157^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
		A	173.245.59.157^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dom.ns.cloudflare.com`
NS	`poppy.ns.cloudflare.com`
		A	2606:4700:50::a29f:2621^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`poppy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c221^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`poppy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2221^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`poppy.ns.cloudflare.com`
		A	108.162.194.33^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`poppy.ns.cloudflare.com`
		A	162.159.38.33^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`poppy.ns.cloudflare.com`
		A	172.64.34.33^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`poppy.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴⁹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁵⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.204, 172.67.196.154
		IPv6 hints	2606:4700:3030::ac43:c49a, 2606:4700:3032::6815:54cc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`dom.ns.cloudflare.com`dns@cloudflare.com serial=2407369027

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

⚠️ On DNS blocklist: doh-vpn-proxy-bypass
🔒 HSTS Preload (+subdomains)

Same first word

extrememath.net

extrememath.com

extrememath.education

extrememath.info

extrememath.icu

extrememath.dev

extrememath.cyou

extrememath.freetls.fastly.net

Similar names

mathextreme.com

hammertexte.de

DNS History

13 records (9 active, 4 former)

●NSdom.ns.cloudflare.com2026-08-01 → 2026-08-05 · 2 obs

● 2026-08-01 19:05:16
● 2026-08-05 05:24:28

●NSpoppy.ns.cloudflare.com2026-08-01 → 2026-08-05 · 2 obs

● 2026-08-01 19:05:16
● 2026-08-05 05:24:28

●MXroute1.mx.cloudflare.net2026-08-01 → 2026-08-05 · 2 obs

● 2026-08-01 19:05:16
● 2026-08-05 05:24:28

●MXroute2.mx.cloudflare.net2026-08-01 → 2026-08-05 · 2 obs

● 2026-08-01 19:05:16
● 2026-08-05 05:24:28

●MXroute3.mx.cloudflare.net2026-08-01 → 2026-08-05 · 2 obs

● 2026-08-01 19:05:16
● 2026-08-05 05:24:28

●A104.21.84.2042026-08-05 → 2026-08-05 · 2 obs

○ 2026-08-01 19:05:16
● 2026-08-05 05:24:28

●A172.67.196.1542026-08-05 → 2026-08-05 · 2 obs

○ 2026-08-01 19:05:16
● 2026-08-05 05:24:28

○A188.114.96.02026-08-01 → 2026-08-01 · 2 obs

● 2026-08-01 19:05:16
○ 2026-08-05 05:24:28

○A188.114.97.02026-08-01 → 2026-08-01 · 2 obs

● 2026-08-01 19:05:16
○ 2026-08-05 05:24:28

●A2606:4700:3030::ac43:c49a2026-08-05 → 2026-08-05 · 2 obs

○ 2026-08-01 19:05:16
● 2026-08-05 05:24:28

●A2606:4700:3032::6815:54cc2026-08-05 → 2026-08-05 · 2 obs

○ 2026-08-01 19:05:16
● 2026-08-05 05:24:28

○A2a06:98c1:3120::2026-08-01 → 2026-08-01 · 2 obs

● 2026-08-01 19:05:16
○ 2026-08-05 05:24:28

○A2a06:98c1:3121::2026-08-01 → 2026-08-01 · 2 obs

● 2026-08-01 19:05:16
○ 2026-08-05 05:24:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
extrememath.dev	dom.ns.cloudflare.com, poppy.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.33

NS records: dom.ns.cloudflare.com, poppy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extrememath.dev (unsigned zone)

⏱️ Timing

Total: 739ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.84.204, 172.67.196.154`
AAAA	2	`2606:4700:3032::6815:54cc, 2606:4700:3030::ac43:c49a`
NS	2	`dom.ns.cloudflare.com, poppy.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 32), route1.mx.cloudflare.net (pri: 49)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dom.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

extrememath.dev resolves to four IP addresses: 104.21.84.204, 172.67.196.154, 2606:4700:3030::ac43:c49a and 2606:4700:3032::6815:54cc.

mmhldgs.com, may88.toys, rahejaplotsgurgaon.com and two other host names share IP numbers with extrememath.dev.

Name Servers

extrememath.dev uses two name servers for its delegation: dom.ns.cloudflare.com and poppy.ns.cloudflare.com.

extrememath.dev uses the same name servers as several other domains — among them synapsetechllc.com, nigeriasport.ng, secretline.online and two more.

extrememath.dev has at least partial name server overlap with other domains, such as (0x706f726e)o644.click, jettop.ru, bikesoup.cc and two others.

These name servers tend to appear together with the name servers stan.ns.cloudflare.com, june.ns.cloudflare.com and dina.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname dom.ns.cloudflare.com directs to 108.162.193.157, 172.64.33.157 and 173.245.59.157 along with 3 other IP addresses.

Hostname poppy.ns.cloudflare.com directs to 108.162.194.33, 162.159.38.33 and 172.64.34.33 along with 3 other IP addresses.

Mail Servers

extrememath.dev has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

extrememath.dev has at least partial mail server overlap with other domains such as infinitytx.org, wywopetsitting.com, ethnicmarketing.com.au and two more.

Hostnames that resolve to 6 IP addresses:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

extrememath.dev - robtex.com

extrememath.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`extrememath.dev`

`dev`