mathlearners.com - dns.ninja

`mathlearners.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a7cd^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:29ee^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.238^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.205^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fred.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
NS	`nia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nia.ns.cloudflare.com`
		A	108.162.192.210^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	172.64.32.210^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	173.245.58.210^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
MX	`smtp.asia.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.asia.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`google-site-verification=LDhVcFgOLpkFincn23Besg_pkwNPduvOmmPOSkEFQzg`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.238, 172.67.167.205
		IPv6 hints	2606:4700:3030::ac43:a7cd, 2606:4700:3035::6815:29ee
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2410064366

`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=1785199067

Same first word

mathlearners.com

Similar names

ramsenthaler.com

ramsenthaler.de

DNS History

21 records (8 active, 13 former)

●NSfred.ns.cloudflare.com2016-03-06 → 2026-07-28 · 3 obs

○ 2015-12-04 07:13:30
● 2016-03-06 09:42:24
● 2026-07-28 00:47:04

●NSnia.ns.cloudflare.com2016-03-06 → 2026-07-28 · 3 obs

○ 2015-12-04 07:13:30
● 2016-03-06 09:42:24
● 2026-07-28 00:47:04

○NSns13.domaincontrol.com2015-08-09 → 2015-12-04 · 4 obs

● 2015-08-09 22:17:54
● 2015-12-04 07:13:30
○ 2016-03-06 09:42:24
○ 2026-07-28 00:47:04

○NSns14.domaincontrol.com2015-08-09 → 2015-12-04 · 4 obs

● 2015-08-09 22:17:54
● 2015-12-04 07:13:30
○ 2016-03-06 09:42:24
○ 2026-07-28 00:47:04

●MXmailstore1.asia.secureserver.net2015-08-09 → 2026-07-28 · 2 obs

● 2015-08-09 22:17:54
● 2026-07-28 00:47:04

●MXsmtp.asia.secureserver.net2015-08-09 → 2026-07-28 · 2 obs

● 2015-08-09 22:17:54
● 2026-07-28 00:47:04

○A104.18.62.2152016-03-06 → 2017-02-09 · 5 obs

○ 2015-12-04 07:13:30
● 2016-03-06 09:42:24
● 2017-02-09 00:42:26
○ 2026-03-21 03:05:30
○ 2026-07-28 00:47:04

○A104.18.63.2152016-03-06 → 2017-02-09 · 5 obs

○ 2015-12-04 07:13:30
● 2016-03-06 09:42:24
● 2017-02-09 00:42:26
○ 2026-03-21 03:05:30
○ 2026-07-28 00:47:04

●A104.21.41.2382026-04-20 → 2026-07-28 · 6 obs

○ 2026-03-21 03:05:30
● 2026-04-20 00:50:30
○ 2026-07-15 01:35:20
● 2026-07-16 03:15:44
○ 2026-07-17 16:16:16
● 2026-07-28 00:47:04

●A172.67.167.2052026-04-20 → 2026-07-28 · 6 obs

○ 2026-03-21 03:05:30
● 2026-04-20 00:50:30
○ 2026-07-15 01:35:20
● 2026-07-16 03:15:44
○ 2026-07-17 16:16:16
● 2026-07-28 00:47:04

○A182.50.130.682015-08-09 → 2015-12-04 · 4 obs

● 2015-08-09 22:17:54
● 2015-12-04 07:13:30
○ 2016-03-06 09:42:24
○ 2026-07-28 00:47:04

○A188.114.96.02026-03-21 → 2026-07-17 · 7 obs

○ 2017-02-09 00:42:26
● 2026-03-21 03:05:30
○ 2026-04-20 00:50:30
● 2026-07-15 01:35:20
○ 2026-07-16 03:15:44
● 2026-07-17 16:16:16
○ 2026-07-28 00:47:04

○A188.114.97.02026-03-21 → 2026-07-17 · 7 obs

○ 2017-02-09 00:42:26
● 2026-03-21 03:05:30
○ 2026-04-20 00:50:30
● 2026-07-15 01:35:20
○ 2026-07-16 03:15:44
● 2026-07-17 16:16:16
○ 2026-07-28 00:47:04

○A2400:cb00:2048:1::6812:3ed72017-02-09 → 2017-02-09 · 4 obs

○ 2016-03-06 09:42:24
● 2017-02-09 00:42:26
○ 2026-03-21 03:05:30
○ 2026-07-28 00:47:04

○A2400:cb00:2048:1::6812:3fd72017-02-09 → 2017-02-09 · 4 obs

○ 2016-03-06 09:42:24
● 2017-02-09 00:42:26
○ 2026-03-21 03:05:30
○ 2026-07-28 00:47:04

●A2606:4700:3030::ac43:a7cd2026-07-08 → 2026-07-28 · 6 obs

○ 2026-06-09 01:36:28
● 2026-07-08 14:14:54
○ 2026-07-15 01:35:20
● 2026-07-16 03:15:44
○ 2026-07-17 16:16:16
● 2026-07-28 00:47:04

○A2606:4700:3032::ac43:a7cd2026-04-20 → 2026-06-09 · 5 obs

○ 2026-03-21 03:05:30
● 2026-04-20 00:50:30
● 2026-06-09 01:36:28
○ 2026-07-08 14:14:54
○ 2026-07-28 00:47:04

●A2606:4700:3035::6815:29ee2026-07-08 → 2026-07-28 · 6 obs

○ 2026-06-09 01:36:28
● 2026-07-08 14:14:54
○ 2026-07-15 01:35:20
● 2026-07-16 03:15:44
○ 2026-07-17 16:16:16
● 2026-07-28 00:47:04

○A2606:4700:3036::6815:29ee2026-04-20 → 2026-06-09 · 5 obs

○ 2026-03-21 03:05:30
● 2026-04-20 00:50:30
● 2026-06-09 01:36:28
○ 2026-07-08 14:14:54
○ 2026-07-28 00:47:04

○A2a06:98c1:3120::2026-03-21 → 2026-07-17 · 7 obs

○ 2017-02-09 00:42:26
● 2026-03-21 03:05:30
○ 2026-04-20 00:50:30
● 2026-07-15 01:35:20
○ 2026-07-16 03:15:44
● 2026-07-17 16:16:16
○ 2026-07-28 00:47:04

○A2a06:98c1:3121::2026-03-21 → 2026-07-17 · 7 obs

○ 2017-02-09 00:42:26
● 2026-03-21 03:05:30
○ 2026-04-20 00:50:30
● 2026-07-15 01:35:20
○ 2026-07-16 03:15:44
● 2026-07-17 16:16:16
○ 2026-07-28 00:47:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathlearners.com	fred.ns.cloudflare.com, nia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.210

NS records: fred.ns.cloudflare.com, nia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathlearners.com (unsigned zone)

⏱️ Timing

Total: 253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.167.205, 104.21.41.238`
AAAA	2	`2606:4700:3030::ac43:a7cd, 2606:4700:3035::6815:29ee`
NS	2	`fred.ns.cloudflare.com, nia.ns.cloudflare.com`
MX	2	`smtp.asia.secureserver.net (pri: 0), mailstore1.asia.secureserver.net (pri: 1`
TXT	1	`google-site-verification=LDhVcFgOLpkFinc`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fred.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mathlearners.com resolves to four IP addresses: 104.21.41.238, 172.67.167.205, 2606:4700:3030::ac43:a7cd and 2606:4700:3035::6815:29ee.

Additional host names — o.campaigntwaws.bond, k.campaigntwaws.bond, keyirou.com and two others — share IP numbers with mathlearners.com.

Name Servers

mathlearners.com has two authoritative name servers — fred.ns.cloudflare.com and nia.ns.cloudflare.com.

mathlearners.com shares its name server setup with other domains, including voayeurs.com, enedina.it, nadal.com.mx and two others.

mathlearners.com has at least partial name server overlap with other domains, such as thesidewalkgrill.com, bayer.fun, evosonic.net and two others.

It is common to see these name servers used together with name servers fatima.ns.cloudflare.com and ivan.ns.cloudflare.com.

Host names with 6 IP numbers:

fred.ns.cloudflare.com points to 108.162.193.113, 172.64.33.113, 173.245.59.113 and 3 other IP addresses.

nia.ns.cloudflare.com points to 108.162.192.210, 172.64.32.210, 173.245.58.210 and 3 other IP addresses.

Mail Servers

mathlearners.com has two mail servers: mailstore1.asia.secureserver.net and smtp.asia.secureserver.net.

mathlearners.com shares the same mail server setup as other domains, including csts.org.in, sharpmeasupport.com, sarasail.org.au and two others.

mathlearners.com shares mail servers — at least in part — with other domains, including intellitrak.in, everfresh.my, sms-sg.com and two others.

mailstore1.asia.secureserver.net and smtp.asia.secureserver.net each have three IP addresses — mailstore1.asia.secureserver.net directs to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.asia.secureserver.net directs to 216.69.141.71, 216.69.141.84 and 216.69.141.113.