`justmath.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:43d4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b55f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.212^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.95^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`noel.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noel.ns.cloudflare.com`
		A	108.162.193.216^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	172.64.33.216^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
		A	173.245.59.216^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noel.ns.cloudflare.com`
NS	`tori.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tori.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tori.ns.cloudflare.com`
		A	108.162.192.231^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	172.64.32.231^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
		A	173.245.58.231^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tori.ns.cloudflare.com`
MX	`_dc-mx.396e25ab61d1.justmath.org` ⭐
		A	192.185.36.124^{🇺🇸 Jacksonville192.185.32.0/21}
			PTR	`mail.wellcompany.com.pe`
TXT	`google-site-verification=IJzAxJj5YA1gC4wrKhRhGq4Arg0yt04KV3hdD7ketzM`
TXT	`v=spf1 a mx include:websitewelcome.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.67.212, 172.67.181.95
		IPv6	2606:4700:3033::6815:43d4, 2606:4700:3034::ac43:b55f
SOA	`noel.ns.cloudflare.com`dns@cloudflare.com serial=2397058707

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1773551953

Subdomains

mail.justmath.org

Same first word

justmath.org

Similar names

jsutmath.blogspot.com

DNS History

18 records (7 active, 11 former)

○NSdns1.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○NSdns2.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○NSdns3.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○NSdns4.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○NSdns5.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

●NSnoel.ns.cloudflare.com2026-02-15 → 2026-03-22 · 3 obs

○ 2017-02-14 13:32:52
● 2026-02-15 19:16:42
● 2026-03-22 17:55:50

●NStori.ns.cloudflare.com2026-02-15 → 2026-03-22 · 3 obs

○ 2017-02-14 13:32:52
● 2026-02-15 19:16:42
● 2026-03-22 17:55:50

●MX_dc-mx.396e25ab61d1.justmath.org2026-02-15 → 2026-03-22 · 3 obs

○ 2017-02-14 13:32:52
● 2026-02-15 19:16:42
● 2026-03-22 17:55:50

○MXeforward1.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○MXeforward2.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○MXeforward3.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○MXeforward4.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

○MXeforward5.registrar-servers.com2015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

●A104.21.67.2122026-02-15 → 2026-03-22 · 3 obs

○ 2017-02-14 13:32:52
● 2026-02-15 19:16:42
● 2026-03-22 17:55:50

●A172.67.181.952026-02-15 → 2026-03-22 · 3 obs

○ 2017-02-14 13:32:52
● 2026-02-15 19:16:42
● 2026-03-22 17:55:50

○A192.64.119.1582015-08-09 → 2016-07-08 · 4 obs

● 2015-08-09 15:53:12
● 2016-07-08 12:28:54
○ 2017-02-14 13:32:52
○ 2026-03-22 17:55:50

●A2606:4700:3033::6815:43d42026-02-15 → 2026-03-22 · 3 obs

○ 2017-02-14 13:32:52
● 2026-02-15 19:16:42
● 2026-03-22 17:55:50

●A2606:4700:3034::ac43:b55f2026-02-15 → 2026-03-22 · 3 obs

○ 2017-02-14 13:32:52
● 2026-02-15 19:16:42
● 2026-03-22 17:55:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
justmath.org	noel.ns.cloudflare.com, tori.ns.cloudflare.com	-

✅ Authoritative Response

Server: 173.245.59.216

NS records: noel.ns.cloudflare.com, tori.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justmath.org (unsigned zone)

⏱️ Timing

Total: 364ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.181.95, 104.21.67.212`
AAAA	2	`2606:4700:3034::ac43:b55f, 2606:4700:3033::6815:43d4`
NS	2	`noel.ns.cloudflare.com, tori.ns.cloudflare.com`
MX	1	`_dc-mx.396e25ab61d1.justmath.org (pri: 0`
TXT	2	`google-site-verification=IJzAxJj5YA1gC4w, v=spf1 a mx include:websitewelcome.com ~`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`noel.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mail.justmath.org has justmath.org as its parent.

IP Addresses

justmath.org maps to four IP numbers: 2606:4700:3033::6815:43d4, 2606:4700:3034::ac43:b55f, 104.21.67.212 and 172.67.181.95.

Other host names, for instance johnsons-funeralhome.com, www.moijelis-magazine.com, c29eb8ea5386.zmovies.org, openbsd.lynixnetwork.com and mpsa.org.uk share IP numbers with justmath.org.

Name Servers

Two name servers noel.ns.cloudflare.com and tori.ns.cloudflare.com are delegated to justmath.org.

justmath.org uses the same name server configuration as other domains, such as bigshipsalvage.com, akasyatarim.com.tr, chequestore.ca, paolivetcare.com and dotapicks.com.

justmath.org at least partially shares name servers with other domains such as sqbhyl.com, jenf.be, fussballwetten.de, docomomo.de and m88.world.

These name servers are commonly used with susan.ns.cloudflare.com and ingrid.ns.cloudflare.com.

Host names with six IP numbers: Host name noel.ns.cloudflare.com points to 2606:4700:58::adf5:3bd8, 2803:f800:50::6ca2:c1d8, 2a06:98c1:50::ac40:21d8, 108.162.193.216, 172.64.33.216 and 173.245.59.216; host name tori.ns.cloudflare.com points to 2606:4700:50::adf5:3ae7, 2803:f800:50::6ca2:c0e7, 2a06:98c1:50::ac40:20e7, 108.162.192.231, 172.64.32.231 and 173.245.58.231.

Mail Servers

justmath.org is handled by a single mail server, _dc-mx.396e25ab61d1.justmath.org.

_dc-mx.396e25ab61d1.justmath.org points to one IP number: 192.185.36.124.

justmath.org - robtex.com

justmath.org

org

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`justmath.org`

`org`