`math4s.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9048^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:5f66^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.102^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.72^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dahlia.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c059^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dahlia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2059^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dahlia.ns.cloudflare.com`
		A	108.162.192.89^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	172.64.32.89^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	173.245.58.89^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
NS	`sullivan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sullivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sullivan.ns.cloudflare.com`
		A	108.162.195.161^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
		A	162.159.44.161^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
		A	172.64.35.161^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sullivan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.102, 172.67.144.72
		IPv6 hints	2606:4700:3031::ac43:9048, 2606:4700:3033::6815:5f66
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com
SOA	`dahlia.ns.cloudflare.com`dns@cloudflare.com serial=2409108679

`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=1786237524

Previously NS for

math4s.com

Subdomains

mx7.math4s.com

ns2.math4s.com

Same first word

math4s.com

Similar names

maths4.com

4maths.com

DNS History

13 records (6 active, 7 former)

●NSdahlia.ns.cloudflare.com2026-05-23 → 2026-08-09 · 3 obs

○ 2017-03-23 18:21:54
● 2026-05-23 19:37:52
● 2026-08-09 01:28:08

○NSmath4s.com2015-06-20 → 2017-03-23 · 4 obs

● 2015-06-20 14:28:58
● 2017-03-23 18:21:54
○ 2026-05-23 19:37:52
○ 2026-08-09 01:28:08

○NSns1.math4s.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-04-21 04:32:44
● 2017-03-23 18:21:54
○ 2026-05-23 19:37:52
○ 2026-08-09 01:28:08

○NSns2.math4s.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-04-21 04:32:44
● 2017-03-23 18:21:54
○ 2026-05-23 19:37:52
○ 2026-08-09 01:28:08

○NSns3.domainingdepot.com2015-06-20 → 2016-04-21 · 4 obs

● 2015-06-20 14:28:58
● 2016-04-21 04:32:44
○ 2017-03-23 18:21:54
○ 2026-08-09 01:28:08

○NSns4.domainingdepot.com2015-06-20 → 2016-04-21 · 4 obs

● 2015-06-20 14:28:58
● 2016-04-21 04:32:44
○ 2017-03-23 18:21:54
○ 2026-08-09 01:28:08

●NSsullivan.ns.cloudflare.com2026-05-23 → 2026-08-09 · 3 obs

○ 2017-03-23 18:21:54
● 2026-05-23 19:37:52
● 2026-08-09 01:28:08

○MXmx7.math4s.com2015-06-20 → 2017-03-23 · 4 obs

● 2015-06-20 14:28:58
● 2017-03-23 18:21:54
○ 2026-05-23 19:37:52
○ 2026-08-09 01:28:08

●A104.21.95.1022026-08-07 → 2026-08-09 · 3 obs

○ 2026-05-23 19:37:52
● 2026-08-07 15:49:30
● 2026-08-09 01:28:08

●A172.67.144.722026-08-07 → 2026-08-09 · 3 obs

○ 2026-05-23 19:37:52
● 2026-08-07 15:49:30
● 2026-08-09 01:28:08

○A173.239.2.1822015-06-20 → 2017-03-23 · 4 obs

● 2015-06-20 14:28:58
● 2017-03-23 18:21:54
○ 2026-05-23 19:37:52
○ 2026-08-09 01:28:08

●A2606:4700:3031::ac43:90482026-08-07 → 2026-08-09 · 3 obs

○ 2026-05-23 19:37:52
● 2026-08-07 15:49:30
● 2026-08-09 01:28:08

●A2606:4700:3033::6815:5f662026-08-07 → 2026-08-09 · 3 obs

○ 2026-05-23 19:37:52
● 2026-08-07 15:49:30
● 2026-08-09 01:28:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net...	-
math4s.com	dahlia.ns.cloudflare.com, sullivan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.161

NS records: dahlia.ns.cloudflare.com, sullivan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math4s.com (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.95.102, 172.67.144.72`
AAAA	2	`2606:4700:3031::ac43:9048, 2606:4700:3033::6815:5f66`
NS	2	`dahlia.ns.cloudflare.com, sullivan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dahlia.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

math4s.com serves as the parent of mx7.math4s.com and ns2.math4s.com.

IP Addresses

math4s.com points to the four IP addresses 104.21.95.102, 172.67.144.72, 2606:4700:3031::ac43:9048 and 2606:4700:3033::6815:5f66.

www.jyqckbryepksj.site, jfgaming168.it.com, jm18c-tdc.club plus two other host names have IP numbers in common with math4s.com.

Name Servers

DNS delegation for math4s.com points to two name servers: dahlia.ns.cloudflare.com and sullivan.ns.cloudflare.com.

The name server configuration of math4s.com is shared with other domains, for instance cucatholicctr.org, smilelucky.top, bnriuwb.com and two others.

At least some of math4s.com's name servers are shared with other domains, for example dueg-adguard.pro, woolovers.com.au, twitter-viewer.net and two more.

It is common for these name servers to be used in conjunction with the name servers aldo.ns.cloudflare.com, jaime.ns.cloudflare.com and beth.ns.cloudflare.com.

Hosts with 6 IP addresses each:

dahlia.ns.cloudflare.com has IP addresses 108.162.192.89, 172.64.32.89 and 173.245.58.89, plus 3 other.

sullivan.ns.cloudflare.com has IP addresses 108.162.195.161, 162.159.44.161 and 172.64.35.161, plus 3 other.

math4s.com - robtex.com

math4s.com

com

Previously NS for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`math4s.com`

`com`