schoolofcode.com - dns.ninja

`schoolofcode.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8926^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:7b4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.180^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.38^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`noah.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b85^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c185^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2185^{Cloudflare2a06:98c1:50::/45}
		A	108.162.193.133^{Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.133^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.133^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`robin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ada^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0da^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20da^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.218^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.218^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.218^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-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	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		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`
TXT	`facebook-domain-verification=z5j5das388r6pfhh5uu5kntp6v9e3q`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.180, 172.67.137.38
		IPv6 hints	2606:4700:3031::ac43:8926, 2606:4700:3036::6815:7b4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`noah.ns.cloudflare.com`dns@cloudflare.com serial=2407578756

`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=1782916061

Same first word

schoolofcode.io

schoolofcode.com

Similar names

codeofschool.com

DNS History

31 records (11 active, 20 former)

●NSnoah.ns.cloudflare.com2026-02-25 → 2026-07-01 · 3 obs

○ 2017-02-08 23:26:48
● 2026-02-25 10:47:06
● 2026-07-01 14:31:52

○NSns-1281.awsdns-32.org2017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○NSns-1788.awsdns-31.co.uk2017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○NSns-98.awsdns-12.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○NSns-996.awsdns-60.net2017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○NSns25.domaincontrol.com2015-06-28 → 2016-06-22 · 5 obs

○ 2008-03-19 21:28:10
● 2015-06-28 06:44:24
● 2016-06-22 08:12:40
○ 2017-02-08 23:26:48
○ 2026-07-01 14:31:52

○NSns26.domaincontrol.com2015-06-28 → 2016-06-22 · 5 obs

○ 2008-03-19 21:28:10
● 2015-06-28 06:44:24
● 2016-06-22 08:12:40
○ 2017-02-08 23:26:48
○ 2026-07-01 14:31:52

●NSrobin.ns.cloudflare.com2026-02-25 → 2026-07-01 · 3 obs

○ 2017-02-08 23:26:48
● 2026-02-25 10:47:06
● 2026-07-01 14:31:52

●MXalt1.aspmx.l.google.com2017-02-08 → 2026-07-01 · 3 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
● 2026-07-01 14:31:52

●MXalt2.aspmx.l.google.com2017-02-08 → 2026-07-01 · 3 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
● 2026-07-01 14:31:52

●MXaspmx.l.google.com2017-02-08 → 2026-07-01 · 3 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
● 2026-07-01 14:31:52

●MXaspmx2.googlemail.com2017-02-08 → 2026-07-01 · 3 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
● 2026-07-01 14:31:52

●MXaspmx3.googlemail.com2017-02-08 → 2026-07-01 · 3 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
● 2026-07-01 14:31:52

○MXmailstore1.secureserver.net2015-06-28 → 2016-06-22 · 5 obs

○ 2008-03-19 21:28:10
● 2015-06-28 06:44:24
● 2016-06-22 08:12:40
○ 2017-02-08 23:26:48
○ 2026-07-01 14:31:52

○MXsmtp.secureserver.net2015-06-28 → 2016-06-22 · 5 obs

○ 2008-03-19 21:28:10
● 2015-06-28 06:44:24
● 2016-06-22 08:12:40
○ 2017-02-08 23:26:48
○ 2026-07-01 14:31:52

●A104.21.7.1802026-02-25 → 2026-07-01 · 3 obs

○ 2017-02-08 23:26:48
● 2026-02-25 10:47:06
● 2026-07-01 14:31:52

●A172.67.137.382026-02-25 → 2026-07-01 · 3 obs

○ 2017-02-08 23:26:48
● 2026-02-25 10:47:06
● 2026-07-01 14:31:52

○A2606:4700:3030::6815:7b42026-02-25 → 2026-02-25 · 4 obs

○ 2017-02-08 23:26:48
● 2026-02-25 10:47:06
○ 2026-06-28 08:12:20
○ 2026-07-01 14:31:52

●A2606:4700:3031::ac43:89262026-06-28 → 2026-07-01 · 3 obs

○ 2026-02-25 10:47:06
● 2026-06-28 08:12:20
● 2026-07-01 14:31:52

●A2606:4700:3036::6815:7b42026-06-28 → 2026-07-01 · 3 obs

○ 2026-02-25 10:47:06
● 2026-06-28 08:12:20
● 2026-07-01 14:31:52

○A2606:4700:3037::ac43:89262026-02-25 → 2026-02-25 · 4 obs

○ 2017-02-08 23:26:48
● 2026-02-25 10:47:06
○ 2026-06-28 08:12:20
○ 2026-07-01 14:31:52

○A50.63.202.82015-06-28 → 2016-06-22 · 5 obs

○ 2008-03-19 21:28:10
● 2015-06-28 06:44:24
● 2016-06-22 08:12:40
○ 2017-02-08 23:26:48
○ 2026-07-01 14:31:52

○A52.218.16.1702017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A52.218.16.262017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A52.218.16.422017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A52.218.64.102017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A52.218.64.2022017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A54.231.131.842017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A54.231.134.522017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A54.231.142.442017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

○A54.231.142.842017-02-08 → 2017-02-08 · 4 obs

○ 2016-06-22 08:12:40
● 2017-02-08 23:26:48
○ 2026-02-25 10:47:06
○ 2026-07-01 14:31:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
schoolofcode.com	noah.ns.cloudflare.com, robin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.218

NS records: noah.ns.cloudflare.com, robin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolofcode.com (unsigned zone)

⏱️ Timing

Total: 2730ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.137.38, 104.21.7.180`
AAAA	2	`2606:4700:3031::ac43:8926, 2606:4700:3036::6815:7b4`
NS	2	`noah.ns.cloudflare.com, robin.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`facebook-domain-verification=z5j5das388r, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`noah.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

schoolofcode.com directs to four IP numbers, which are 104.21.7.180, 172.67.137.38, 2606:4700:3031::ac43:8926 and 2606:4700:3036::6815:7b4.

Among the host names that share IP numbers with schoolofcode.com are (0x706f726e687562)casino.io, sydlzc.com, b456.net and two others.

Name Servers

schoolofcode.com is served by two delegated name servers, noah.ns.cloudflare.com and robin.ns.cloudflare.com.

schoolofcode.com has the same name server delegation as a number of other domains, such as sandalj.com, mytv-hd.com, palmettostatearmory.com and two more.

At least some of schoolofcode.com's name servers are shared with other domains, for example voitureonline.pro, caloprograms.com, model-launch.com and two more.

These name servers tend to be deployed in combination with the name servers jule.ns.cloudflare.com and annalise.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

noah.ns.cloudflare.com carries IP addresses 108.162.193.133, 172.64.33.133 and 173.245.59.133, with 3 other addresses beyond those.

robin.ns.cloudflare.com carries IP addresses 108.162.192.218, 172.64.32.218 and 173.245.58.218, with 3 other addresses beyond those.

Mail Servers

Five mail servers handle schoolofcode.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

schoolofcode.com shares at least some of its mail servers with other domains — for example ns500742.ns500671.ns500731.ns500671.ns500742.ns500671.ns500731.ns500678.ns500704.ns500671.ns500649.lustychickser.com, artfulcollective.co.uk, ns500768.ns500698.ns500698.ns500736.ns500735.ns500735.ns500698.ns500708.ns500708.ns500619.ns500576.ns500576.ns500652.ns500652.tracksymphony.com and two more.

It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com maps to two IP addresses — 142.251.16.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.

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

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.27 IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1a IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.27 IP addresses.