knightlearning.com - dns.ninja

`knightlearning.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:ab4a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1d22^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.29.34^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.171.74^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a56^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c056^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2056^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cloe.ns.cloudflare.com`
		A	108.162.192.86^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	172.64.32.86^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	173.245.58.86^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
NS	`mario.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mario.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mario.ns.cloudflare.com`
		A	108.162.193.203^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	172.64.33.203^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
		A	173.245.59.203^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mario.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=4T1OgWTYuwLYpYItv5EwV9HsVh9YZ_M4p56k_lqIt_s`
TXT	`v=spf1 +a +mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.29.34, 172.67.171.74
		IPv6 hints	2606:4700:3030::ac43:ab4a, 2606:4700:3036::6815:1d22
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOA	`cloe.ns.cloudflare.com`dns@cloudflare.com serial=2410775454

`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=1786461679

Subdomains

mail.knightlearning.com

Same first word

knightlearning.com

DNS History

25 records (11 active, 14 former)

●NScloe.ns.cloudflare.com2015-08-13 → 2026-08-11 · 2 obs

● 2015-08-13 00:53:14
● 2026-08-11 15:41:08

●NSmario.ns.cloudflare.com2015-08-13 → 2026-08-11 · 2 obs

● 2015-08-13 00:53:14
● 2026-08-11 15:41:08

●MXalt1.aspmx.l.google.com2016-03-16 → 2026-08-11 · 3 obs

○ 2015-12-07 18:02:14
● 2016-03-16 23:23:14
● 2026-08-11 15:41:08

●MXalt2.aspmx.l.google.com2016-03-16 → 2026-08-11 · 3 obs

○ 2015-12-07 18:02:14
● 2016-03-16 23:23:14
● 2026-08-11 15:41:08

●MXalt3.aspmx.l.google.com2016-03-16 → 2026-08-11 · 3 obs

○ 2015-12-07 18:02:14
● 2016-03-16 23:23:14
● 2026-08-11 15:41:08

●MXalt4.aspmx.l.google.com2016-03-16 → 2026-08-11 · 3 obs

○ 2015-12-07 18:02:14
● 2016-03-16 23:23:14
● 2026-08-11 15:41:08

●MXaspmx.l.google.com2016-03-16 → 2026-08-11 · 3 obs

○ 2015-12-07 18:02:14
● 2016-03-16 23:23:14
● 2026-08-11 15:41:08

○MXdc-52b8c24c-mail.knightlearning.com2015-08-13 → 2015-12-07 · 4 obs

● 2015-08-13 00:53:14
● 2015-12-07 18:02:14
○ 2016-03-16 23:23:14
○ 2026-08-11 15:41:08

●A104.21.29.342026-03-28 → 2026-08-11 · 8 obs

○ 2017-03-17 06:36:40
● 2026-03-28 08:35:20
● 2026-04-13 16:07:38
○ 2026-04-14 16:07:24
● 2026-05-14 03:28:16
○ 2026-06-24 02:21:04
● 2026-07-03 23:55:56
● 2026-08-11 15:41:08

○A104.24.26.72015-12-07 → 2016-07-12 · 5 obs

○ 2015-08-13 00:53:14
● 2015-12-07 18:02:14
● 2016-07-12 07:49:58
○ 2017-03-17 06:36:40
○ 2026-08-11 15:41:08

○A104.24.27.72015-12-07 → 2016-07-12 · 5 obs

○ 2015-08-13 00:53:14
● 2015-12-07 18:02:14
● 2016-07-12 07:49:58
○ 2017-03-17 06:36:40
○ 2026-08-11 15:41:08

○A104.28.10.2042017-03-17 → 2017-03-17 · 4 obs

○ 2016-07-12 07:49:58
● 2017-03-17 06:36:40
○ 2026-03-28 08:35:20
○ 2026-08-11 15:41:08

○A104.28.11.2042017-03-17 → 2017-03-17 · 4 obs

○ 2016-07-12 07:49:58
● 2017-03-17 06:36:40
○ 2026-03-28 08:35:20
○ 2026-08-11 15:41:08

○A108.162.200.342015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 00:53:14
○ 2015-12-07 18:02:14
○ 2026-08-11 15:41:08

○A141.101.127.332015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 00:53:14
○ 2015-12-07 18:02:14
○ 2026-08-11 15:41:08

●A172.67.171.742026-03-28 → 2026-08-11 · 8 obs

○ 2017-03-17 06:36:40
● 2026-03-28 08:35:20
● 2026-04-13 16:07:38
○ 2026-04-14 16:07:24
● 2026-05-14 03:28:16
○ 2026-06-24 02:21:04
● 2026-07-03 23:55:56
● 2026-08-11 15:41:08

○A188.114.96.02026-04-14 → 2026-06-24 · 7 obs

○ 2026-03-28 08:35:20
○ 2026-04-13 16:07:38
● 2026-04-14 16:07:24
○ 2026-05-14 03:28:16
● 2026-06-24 02:21:04
○ 2026-07-03 23:55:56
○ 2026-08-11 15:41:08

○A188.114.97.02026-04-14 → 2026-06-24 · 7 obs

○ 2026-03-28 08:35:20
○ 2026-04-13 16:07:38
● 2026-04-14 16:07:24
○ 2026-05-14 03:28:16
● 2026-06-24 02:21:04
○ 2026-07-03 23:55:56
○ 2026-08-11 15:41:08

○A2400:cb00:2048:1::681c:acc2017-03-17 → 2017-03-17 · 4 obs

○ 2016-07-12 07:49:58
● 2017-03-17 06:36:40
○ 2026-03-28 08:35:20
○ 2026-08-11 15:41:08

○A2400:cb00:2048:1::681c:bcc2017-03-17 → 2017-03-17 · 4 obs

○ 2016-07-12 07:49:58
● 2017-03-17 06:36:40
○ 2026-03-28 08:35:20
○ 2026-08-11 15:41:08

●A2606:4700:3030::ac43:ab4a2026-07-03 → 2026-08-11 · 3 obs

○ 2026-06-24 02:21:04
● 2026-07-03 23:55:56
● 2026-08-11 15:41:08

○A2606:4700:3032::ac43:ab4a2026-03-28 → 2026-05-14 · 7 obs

○ 2017-03-17 06:36:40
● 2026-03-28 08:35:20
● 2026-04-13 16:07:38
○ 2026-04-14 16:07:24
● 2026-05-14 03:28:16
○ 2026-06-24 02:21:04
○ 2026-08-11 15:41:08

●A2606:4700:3036::6815:1d222026-03-28 → 2026-08-11 · 8 obs

○ 2017-03-17 06:36:40
● 2026-03-28 08:35:20
● 2026-04-13 16:07:38
○ 2026-04-14 16:07:24
● 2026-05-14 03:28:16
○ 2026-06-24 02:21:04
● 2026-07-03 23:55:56
● 2026-08-11 15:41:08

○A2a06:98c1:3120::2026-04-14 → 2026-06-24 · 7 obs

○ 2026-03-28 08:35:20
○ 2026-04-13 16:07:38
● 2026-04-14 16:07:24
○ 2026-05-14 03:28:16
● 2026-06-24 02:21:04
○ 2026-07-03 23:55:56
○ 2026-08-11 15:41:08

○A2a06:98c1:3121::2026-04-14 → 2026-06-24 · 7 obs

○ 2026-03-28 08:35:20
○ 2026-04-13 16:07:38
● 2026-04-14 16:07:24
○ 2026-05-14 03:28:16
● 2026-06-24 02:21:04
○ 2026-07-03 23:55:56
○ 2026-08-11 15:41:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
knightlearning.com	cloe.ns.cloudflare.com, mario.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.203

NS records: cloe.ns.cloudflare.com, mario.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knightlearning.com (unsigned zone)

⏱️ Timing

Total: 142ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.29.34, 172.67.171.74`
AAAA	2	`2606:4700:3036::6815:1d22, 2606:4700:3030::ac43:ab4a`
NS	2	`cloe.ns.cloudflare.com, mario.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=4T1OgWTYuwLYpYI, v=spf1 +a +mx -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cloe.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.knightlearning.com is a subdomain of knightlearning.com.

IP Addresses

knightlearning.com directs to four IP numbers, which are 104.21.29.34, 172.67.171.74, 2606:4700:3030::ac43:ab4a and 2606:4700:3036::6815:1d22.

Among the host names that share IP numbers with knightlearning.com are maldivesresorts.org, factortg.com, www.marcel.ca and two others.

Name Servers

DNS delegation for knightlearning.com points to two name servers: cloe.ns.cloudflare.com and mario.ns.cloudflare.com.

knightlearning.com has the same name server delegation as a number of other domains, such as mathi.ca, hai-s.com, goandestrek.com and two more.

The name servers of knightlearning.com overlap at least partially with those of other domains — among them a85dh.top, pronadji.biz, batik-aidacosmetics-rtp.pages.dev and two more.

These name servers commonly appear in combination with the name servers elaine.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

cloe.ns.cloudflare.com has IP addresses 108.162.192.86, 172.64.32.86 and 173.245.58.86, plus 3 other.

mario.ns.cloudflare.com has IP addresses 108.162.193.203, 172.64.33.203 and 173.245.59.203, plus 3 other.

Mail Servers

Five mail servers handle knightlearning.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

knightlearning.com shares at least some of its mail servers with other domains — for example slowmail.net, leonardoandco.wpengine.com, carbonschools.org and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com has two IP addresses: 192.178.218.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.