mathsclassroom.com - dns.ninja

`mathsclassroom.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1445^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:bfdb^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.69^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.219^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elijah.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cfd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elijah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elijah.ns.cloudflare.com`
		A	108.162.195.253^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
		A	162.159.44.253^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
		A	172.64.35.253^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elijah.ns.cloudflare.com`
NS	`elle.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elle.ns.cloudflare.com`
		A	108.162.192.110^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	172.64.32.110^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	173.245.58.110^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
MX	`mx0.123-reg.co.uk` ⭐
		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	`mx1.123-reg.co.uk`⁽²⁰⁾
		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`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.20.69, 172.67.191.219
		IPv6 hints	2606:4700:3031::6815:1445, 2606:4700:3035::ac43:bfdb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=118, name=cloudflare-ech.com
SOA	`elijah.ns.cloudflare.com`dns@cloudflare.com serial=2407321811

`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=1784018762

Previously MX for

mathsclassroom.com

Same first word

mathsclassroom.com

Similar names

classroommaths.com

DNS History

23 records (8 active, 15 former)

○NSdns59.hndservers.net2020-01-13 → 2020-01-13 · 4 obs

○ 2017-02-13 17:42:20
● 2020-01-13 22:09:54
○ 2026-02-16 07:42:08
○ 2026-07-14 09:11:00

○NSdns60.hndservers.net2020-01-13 → 2020-01-13 · 4 obs

○ 2017-02-13 17:42:20
● 2020-01-13 22:09:54
○ 2026-02-16 07:42:08
○ 2026-07-14 09:11:00

●NSelijah.ns.cloudflare.com2026-02-16 → 2026-07-14 · 3 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
● 2026-07-14 09:11:00

●NSelle.ns.cloudflare.com2026-02-16 → 2026-07-14 · 3 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
● 2026-07-14 09:11:00

○NSns1.dsredirection.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 02:44:28
○ 2015-08-11 14:42:08
○ 2026-07-14 09:11:00

○NSns2.dsredirection.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 02:44:28
○ 2015-08-11 14:42:08
○ 2026-07-14 09:11:00

○NSns5.dsredirection.com2015-08-11 → 2017-02-13 · 5 obs

○ 2008-03-18 02:44:28
● 2015-08-11 14:42:08
● 2017-02-13 17:42:20
○ 2020-01-13 22:09:54
○ 2026-07-14 09:11:00

○NSns6.dsredirection.com2015-08-11 → 2017-02-13 · 5 obs

○ 2008-03-18 02:44:28
● 2015-08-11 14:42:08
● 2017-02-13 17:42:20
○ 2020-01-13 22:09:54
○ 2026-07-14 09:11:00

○MXmail.mxproc.com2015-08-11 → 2016-03-07 · 5 obs

○ 2008-03-18 02:44:28
● 2015-08-11 14:42:08
● 2016-03-07 00:10:02
○ 2016-06-27 21:50:48
○ 2026-07-14 09:11:00

○MXmail.replyingback.com2016-06-27 → 2016-06-27 · 4 obs

○ 2016-03-07 00:10:02
● 2016-06-27 21:50:48
○ 2017-02-13 17:42:20
○ 2026-07-14 09:11:00

○MXmathsclassroom.com2020-01-13 → 2020-01-13 · 4 obs

○ 2017-02-13 17:42:20
● 2020-01-13 22:09:54
○ 2026-02-16 07:42:08
○ 2026-07-14 09:11:00

●MXmx0.123-reg.co.uk2026-02-16 → 2026-07-14 · 3 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
● 2026-07-14 09:11:00

●MXmx1.123-reg.co.uk2026-02-16 → 2026-07-14 · 3 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
● 2026-07-14 09:11:00

●A104.21.20.692026-02-16 → 2026-07-14 · 3 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
● 2026-07-14 09:11:00

○A141.8.225.802015-08-11 → 2017-02-13 · 5 obs

○ 2008-03-18 02:44:28
● 2015-08-11 14:42:08
● 2017-02-13 17:42:20
○ 2020-01-13 22:09:54
○ 2026-07-14 09:11:00

●A172.67.191.2192026-02-16 → 2026-07-14 · 3 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
● 2026-07-14 09:11:00

○A208.73.212.122008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 02:44:28
○ 2015-08-11 14:42:08
○ 2026-07-14 09:11:00

●A2606:4700:3031::6815:14452026-07-14 → 2026-07-14 · 3 obs

○ 2026-02-16 07:42:08
● 2026-07-14 09:10:58
● 2026-07-14 09:11:00

○A2606:4700:3031::ac43:bfdb2026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
○ 2026-07-14 09:10:58
○ 2026-07-14 09:11:00

○A2606:4700:3034::6815:14452026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-13 22:09:54
● 2026-02-16 07:42:08
○ 2026-07-14 09:10:58
○ 2026-07-14 09:11:00

●A2606:4700:3035::ac43:bfdb2026-07-14 → 2026-07-14 · 3 obs

○ 2026-02-16 07:42:08
● 2026-07-14 09:10:58
● 2026-07-14 09:11:00

○A51.38.207.2412020-01-13 → 2020-01-13 · 4 obs

○ 2017-02-13 17:42:20
● 2020-01-13 22:09:54
○ 2026-02-16 07:42:08
○ 2026-07-14 09:11:00

○PTRns5.dsredirection.com2017-02-13 → 2017-02-13 · 3 obs

● 2017-02-13 17:42:20
○ 2020-01-13 22:09:54
○ 2026-07-14 09:11:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
mathsclassroom.com	elle.ns.cloudflare.com, elijah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.110

NS records: elle.ns.cloudflare.com, elijah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathsclassroom.com (unsigned zone)

⏱️ Timing

Total: 891ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.191.219, 104.21.20.69`
AAAA	2	`2606:4700:3035::ac43:bfdb, 2606:4700:3031::6815:1445`
NS	2	`elijah.ns.cloudflare.com, elle.ns.cloudflare.com`
MX	2	`mx0.123-reg.co.uk (pri: 10), mx1.123-reg.co.uk (pri: 20)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elijah.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mathsclassroom.com resolves to four IP addresses: 104.21.20.69, 172.67.191.219, 2606:4700:3031::6815:1445 and 2606:4700:3035::ac43:bfdb.

Among the host names that share IP numbers with mathsclassroom.com are ceslopedevegavirtual.com, franklin-monument.com, 20a427.com and two others.

Name Servers

Two name servers handle the delegation for mathsclassroom.com: elijah.ns.cloudflare.com and elle.ns.cloudflare.com.

mathsclassroom.com has the same name server delegation as a number of other domains, such as cedenna.cl, antzinoz.com, slottaguvenliliman.vip and two more.

mathsclassroom.com partially shares its NS delegation with several other domains, including angms.science, mansfieldtxdentalcenter.com, audio-privet.com and two others.

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

Host names resolving to 6 IP numbers:

elijah.ns.cloudflare.com resolves to 108.162.195.253, 162.159.44.253 and 172.64.35.253 among others, with 3 other IP addresses in total.

elle.ns.cloudflare.com resolves to 108.162.192.110, 172.64.32.110 and 173.245.58.110 among others, with 3 other IP addresses in total.

Mail Servers

The MX records for mathsclassroom.com point to two mail servers: mx0.123-reg.co.uk and mx1.123-reg.co.uk.

mathsclassroom.com has the same mail server arrangement as a number of other domains, for example jazzhandsacademy.com, g0poy.me.uk, exo-bioplastics.com and two more.

mathsclassroom.com shares at least some of its mail servers with other domains — for example smartcitizen.net, accscheme.com, fit-stix.com and two more.

mx0.123-reg.co.uk has three IP addresses (216.69.141.71, 216.69.141.84 and 216.69.141.113) and mx1.123-reg.co.uk has three IP addresses (216.69.141.78, 216.69.141.114 and 216.69.141.162).