activemath.com - dns.ninja

`activemath.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:805a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:e2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.226^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.90^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`thaddeus.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thaddeus.ns.cloudflare.com`
		A	108.162.195.127^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	162.159.44.127^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	172.64.35.127^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
NS	`tina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tina.ns.cloudflare.com`
		A	108.162.192.230^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	172.64.32.230^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
		A	173.245.58.230^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.0.226, 172.67.128.90
		IPv6 hints	2606:4700:3032::ac43:805a, 2606:4700:3037::6815:e2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=59, name=cloudflare-ech.com
SOA	`thaddeus.ns.cloudflare.com`dns@cloudflare.com serial=2410733752

`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=1785683467

Same first word

activemath.ru

activemath.de

activemath.com

Similar names

mathactive.com

DNS History

20 records (6 active, 14 former)

○NSns1.bluehost.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-04-09 09:45:10
● 2020-03-01 00:22:06
○ 2026-03-05 16:01:22
○ 2026-08-02 15:38:02

○NSns1.yourhostingaccount.com2015-05-23 → 2017-04-09 · 4 obs

● 2015-05-23 05:29:48
● 2017-04-09 09:45:10
○ 2020-03-01 00:22:06
○ 2026-08-02 15:38:02

○NSns2.bluehost.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-04-09 09:45:10
● 2020-03-01 00:22:06
○ 2026-03-05 16:01:22
○ 2026-08-02 15:38:02

○NSns2.yourhostingaccount.com2015-05-23 → 2017-04-09 · 4 obs

● 2015-05-23 05:29:48
● 2017-04-09 09:45:10
○ 2020-03-01 00:22:06
○ 2026-08-02 15:38:02

●NSthaddeus.ns.cloudflare.com2026-03-05 → 2026-08-02 · 3 obs

○ 2020-03-01 00:22:06
● 2026-03-05 16:01:22
● 2026-08-02 15:38:02

●NStina.ns.cloudflare.com2026-03-05 → 2026-08-02 · 3 obs

○ 2020-03-01 00:22:06
● 2026-03-05 16:01:22
● 2026-08-02 15:38:02

○MXmail.activemath.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-04-09 09:45:10
● 2020-03-01 00:22:06
○ 2026-03-05 16:01:22
○ 2026-08-02 15:38:02

○MXmx.activemath.com2015-05-23 → 2017-04-09 · 4 obs

● 2015-05-23 05:29:48
● 2017-04-09 09:45:10
○ 2020-03-01 00:22:06
○ 2026-08-02 15:38:02

●A104.21.0.2262026-03-28 → 2026-08-02 · 13 obs

○ 2026-03-05 16:01:22
● 2026-03-28 21:30:16
● 2026-04-12 00:11:28
○ 2026-04-14 03:01:20
○ 2026-04-21 03:08:04
● 2026-05-01 06:37:26
● 2026-05-04 20:21:18
○ 2026-05-09 04:08:48
○ 2026-05-27 20:46:20
● 2026-05-29 07:06:08
○ 2026-06-04 16:48:44
● 2026-08-02 15:37:56
● 2026-08-02 15:38:02

●A172.67.128.902026-03-28 → 2026-08-02 · 13 obs

○A188.114.96.02026-03-05 → 2026-06-04 · 14 obs

○ 2020-03-01 00:22:06
● 2026-03-05 16:01:22
○ 2026-03-28 21:30:16
○ 2026-04-12 00:11:28
● 2026-04-14 03:01:20
● 2026-04-21 03:08:04
○ 2026-05-01 06:37:26
○ 2026-05-04 20:21:18
● 2026-05-09 04:08:48
● 2026-05-27 20:46:20
○ 2026-05-29 07:06:08
● 2026-06-04 16:48:44
○ 2026-08-02 15:37:56
○ 2026-08-02 15:38:02

○A188.114.97.02026-03-05 → 2026-06-04 · 14 obs

○A2606:4700:3030::6815:e22026-03-28 → 2026-05-29 · 12 obs

●A2606:4700:3032::ac43:805a2026-08-02 → 2026-08-02 · 3 obs

○ 2026-06-04 16:48:44
● 2026-08-02 15:37:56
● 2026-08-02 15:38:02

○A2606:4700:3033::ac43:805a2026-03-28 → 2026-05-29 · 12 obs

●A2606:4700:3037::6815:e22026-08-02 → 2026-08-02 · 3 obs

○ 2026-06-04 16:48:44
● 2026-08-02 15:37:56
● 2026-08-02 15:38:02

○A2a06:98c1:3120::2026-03-05 → 2026-06-04 · 14 obs

○A2a06:98c1:3121::2026-03-05 → 2026-06-04 · 14 obs

○A69.195.124.872020-03-01 → 2020-03-01 · 4 obs

○ 2017-04-09 09:45:10
● 2020-03-01 00:22:06
○ 2026-03-05 16:01:22
○ 2026-08-02 15:38:02

○A96.231.36.452015-05-23 → 2017-04-09 · 4 obs

● 2015-05-23 05:29:48
● 2017-04-09 09:45:10
○ 2020-03-01 00:22:06
○ 2026-08-02 15:38:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
activemath.com	tina.ns.cloudflare.com, thaddeus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.230

NS records: tina.ns.cloudflare.com, thaddeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for activemath.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.128.90, 104.21.0.226`
AAAA	2	`2606:4700:3032::ac43:805a, 2606:4700:3037::6815:e2`
NS	2	`thaddeus.ns.cloudflare.com, tina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`thaddeus.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

activemath.com points to the four IP addresses 104.21.0.226, 172.67.128.90, 2606:4700:3032::ac43:805a and 2606:4700:3037::6815:e2.

Among the host names that share IP numbers with activemath.com are latino-x.com, swadhinota.com, finom.it and two others.

Name Servers

activemath.com uses two name servers for its delegation: thaddeus.ns.cloudflare.com and tina.ns.cloudflare.com.

activemath.com has the same name server delegation as a number of other domains, such as guidetoethic.net, fniyitegeka.org, kwit-claude-guide.pages.dev and two more.

At least some of activemath.com's name servers are shared with other domains, for example zhrrds.com, sjjtv.com, intradebook.com and two more.

These name servers tend to be used in conjunction with the name servers crystal.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname thaddeus.ns.cloudflare.com directs to 108.162.195.127, 162.159.44.127 and 172.64.35.127 along with 3 other IP addresses.

Hostname tina.ns.cloudflare.com directs to 108.162.192.230, 172.64.32.230 and 173.245.58.230 along with 3 other IP addresses.