mathcurious.com - dns.ninja

`mathcurious.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:40d7^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:bbe2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.215^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.226^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`joselyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joselyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joselyn.ns.cloudflare.com`
		A	108.162.194.43^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	162.159.38.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	172.64.34.43^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
NS	`kyrie.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c26^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyrie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c326^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kyrie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2326^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kyrie.ns.cloudflare.com`
		A	108.162.195.38^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyrie.ns.cloudflare.com`
		A	162.159.44.38^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyrie.ns.cloudflare.com`
		A	172.64.35.38^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kyrie.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		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`
TXT	`google-site-verification=YZmDLn2X1YSnoQqq4nus9HOjRL3Zg_CfI--0dhuZ-OE`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.215, 172.67.187.226
		IPv6 hints	2606:4700:3030::6815:40d7, 2606:4700:3033::ac43:bbe2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOA	`joselyn.ns.cloudflare.com`dns@cloudflare.com serial=2410385234

`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=1786006959

Same first word

mathcurious.com

Similar names

rusautochim.ru

haroutmusic.com

DNS History

24 records (11 active, 13 former)

●NSjoselyn.ns.cloudflare.com2026-02-17 → 2026-08-06 · 3 obs

○ 2019-12-16 05:17:14
● 2026-02-17 20:39:48
● 2026-08-06 09:25:40

●NSkyrie.ns.cloudflare.com2026-02-17 → 2026-08-06 · 3 obs

○ 2019-12-16 05:17:14
● 2026-02-17 20:39:48
● 2026-08-06 09:25:40

○NSns-1420.awsdns-49.org2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:17:14
○ 2026-02-17 20:39:48
○ 2026-08-06 09:25:40

○NSns-2020.awsdns-60.co.uk2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:17:14
○ 2026-02-17 20:39:48
○ 2026-08-06 09:25:40

○NSns-413.awsdns-51.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:17:14
○ 2026-02-17 20:39:48
○ 2026-08-06 09:25:40

○NSns-740.awsdns-28.net2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:17:14
○ 2026-02-17 20:39:48
○ 2026-08-06 09:25:40

●MXalt1.aspmx.l.google.com2026-02-17 → 2026-08-06 · 2 obs

● 2026-02-17 20:39:48
● 2026-08-06 09:25:40

●MXalt2.aspmx.l.google.com2026-02-17 → 2026-08-06 · 2 obs

● 2026-02-17 20:39:48
● 2026-08-06 09:25:40

●MXaspmx.l.google.com2026-02-17 → 2026-08-06 · 2 obs

● 2026-02-17 20:39:48
● 2026-08-06 09:25:40

●MXaspmx2.googlemail.com2026-02-17 → 2026-08-06 · 2 obs

● 2026-02-17 20:39:48
● 2026-08-06 09:25:40

●MXaspmx3.googlemail.com2026-02-17 → 2026-08-06 · 2 obs

● 2026-02-17 20:39:48
● 2026-08-06 09:25:40

●A104.21.64.2152026-02-17 → 2026-08-06 · 12 obs

○ 2019-12-16 05:17:14
● 2026-02-17 20:39:48
● 2026-03-27 04:01:44
○ 2026-04-05 09:58:42
● 2026-04-07 08:25:58
● 2026-04-21 21:31:34
○ 2026-04-21 23:09:20
● 2026-04-24 21:05:04
● 2026-06-10 07:34:48
○ 2026-06-24 03:06:04
● 2026-08-06 09:25:38
● 2026-08-06 09:25:40

○A138.68.38.1442019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 05:17:14
○ 2026-02-17 20:39:48
○ 2026-08-06 09:25:40

○A172.64.80.12026-02-17 → 2026-08-06 · 2 obs

○ 2026-02-17 20:39:48
○ 2026-08-06 09:25:40

●A172.67.187.2262026-02-17 → 2026-08-06 · 12 obs

○A188.114.96.02026-04-05 → 2026-06-24 · 10 obs

○ 2026-03-27 04:01:44
● 2026-04-05 09:58:42
○ 2026-04-07 08:25:58
○ 2026-04-21 21:31:34
● 2026-04-21 23:09:20
○ 2026-04-24 21:05:04
○ 2026-06-10 07:34:48
● 2026-06-24 03:06:04
○ 2026-08-06 09:25:38
○ 2026-08-06 09:25:40

○A188.114.97.02026-04-05 → 2026-06-24 · 10 obs

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-17 → 2026-08-06 · 2 obs

○ 2026-02-17 20:39:48
○ 2026-08-06 09:25:40

●A2606:4700:3030::6815:40d72026-08-06 → 2026-08-06 · 3 obs

○ 2026-06-24 03:06:04
● 2026-08-06 09:25:38
● 2026-08-06 09:25:40

○A2606:4700:3032::ac43:bbe22026-02-17 → 2026-06-10 · 11 obs

●A2606:4700:3033::ac43:bbe22026-08-06 → 2026-08-06 · 3 obs

○ 2026-06-24 03:06:04
● 2026-08-06 09:25:38
● 2026-08-06 09:25:40

○A2606:4700:3035::6815:40d72026-02-17 → 2026-06-10 · 11 obs

○A2a06:98c1:3120::2026-04-05 → 2026-06-24 · 10 obs

○A2a06:98c1:3121::2026-04-05 → 2026-06-24 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathcurious.com	joselyn.ns.cloudflare.com, kyrie.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.43

NS records: joselyn.ns.cloudflare.com, kyrie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathcurious.com (unsigned zone)

⏱️ Timing

Total: 251ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.215, 172.67.187.226`
AAAA	2	`2606:4700:3033::ac43:bbe2, 2606:4700:3030::6815:40d7`
NS	2	`joselyn.ns.cloudflare.com, kyrie.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`google-site-verification=YZmDLn2X1YSnoQq`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`joselyn.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mathcurious.com has four IP addresses: 104.21.64.215, 172.67.187.226, 2606:4700:3030::6815:40d7 and 2606:4700:3033::ac43:bbe2.

Additional host names — incybernews.com, www.cnbooks.net, maglr.dev and two others — share IP numbers with mathcurious.com.

Name Servers

Two name servers handle the delegation for mathcurious.com: joselyn.ns.cloudflare.com and kyrie.ns.cloudflare.com.

mathcurious.com shares its name server setup with other domains, including 22bet-casino.biz, studiocentroquater.com, tky12ch.com and two others.

mathcurious.com partially shares its NS delegation with several other domains, including oofficecomsetup.com, jhkconsult.com, logikakedinasan.com and two others.

These name servers often co-occur with the name servers chris.ns.cloudflare.com.

Host names with 6 IP numbers:

joselyn.ns.cloudflare.com resolves to 108.162.194.43, 162.159.38.43 and 172.64.34.43 among others, with 3 other IP addresses in total.

kyrie.ns.cloudflare.com resolves to 108.162.195.38, 162.159.44.38 and 172.64.35.38 among others, with 3 other IP addresses in total.

Mail Servers

Mail for mathcurious.com is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

mathcurious.com shares mail servers — at least in part — with other domains, including fathomit.net, housemedicine.com, 20some.com and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to two addresses: 64.233.180.27 and 2607:f8b0:4004:c09::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 2800:3f0:4003:c0f::1b IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.27 IP addresses.