schoolofdata.org - dns.ninja

`schoolofdata.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:5776^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8f09^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.118^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.9^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carl.ns.cloudflare.com`
		A	108.162.193.106^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	172.64.33.106^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	173.245.59.106^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
NS	`dana.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a69^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c069^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2069^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dana.ns.cloudflare.com`
		A	108.162.192.105^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	172.64.32.105^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
		A	173.245.58.105^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dana.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`google-site-verification=DeaeoDM1op5XmDjnetAA9nGIdcTwoV2gTZWC6N5fPMs`
TXT	`google-site-verification=fH_XTs3CGQYINhZy6ezuUnNK2u2ekqLj6fdtx8OibQU`
TXT	`v=spf1 include:okfn.org include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.118, 172.67.143.9
		IPv6 hints	2606:4700:3037::6815:5776, 2606:4700:3037::ac43:8f09
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`carl.ns.cloudflare.com`dns@cloudflare.com serial=2406393401

`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=1785548315

rank #276914 globally
rank #21874 in the tld
📈 Tranco rank: #996,049

Subdomains

2014.schoolofdata.org

Same first word

schoolofdata.at

schoolofdata.org

schoolofdata.ch

DNS History

18 records (8 active, 10 former)

●NScarl.ns.cloudflare.com2026-03-04 → 2026-08-01 · 3 obs

○ 2017-05-21 18:33:32
● 2026-03-04 20:56:08
● 2026-08-01 02:09:54

●NSdana.ns.cloudflare.com2026-03-04 → 2026-08-01 · 3 obs

○ 2017-05-21 18:33:32
● 2026-03-04 20:56:08
● 2026-08-01 02:09:54

○NSns10.dnsmadeeasy.com2015-07-21 → 2017-05-21 · 4 obs

● 2015-07-21 16:42:22
● 2017-05-21 18:33:32
○ 2026-03-04 20:56:08
○ 2026-08-01 02:09:54

○NSns11.dnsmadeeasy.com2015-07-21 → 2017-05-21 · 4 obs

● 2015-07-21 16:42:22
● 2017-05-21 18:33:32
○ 2026-03-04 20:56:08
○ 2026-08-01 02:09:54

○NSns12.dnsmadeeasy.com2015-07-21 → 2017-05-21 · 4 obs

● 2015-07-21 16:42:22
● 2017-05-21 18:33:32
○ 2026-03-04 20:56:08
○ 2026-08-01 02:09:54

○NSns13.dnsmadeeasy.com2015-07-21 → 2017-05-21 · 4 obs

● 2015-07-21 16:42:22
● 2017-05-21 18:33:32
○ 2026-03-04 20:56:08
○ 2026-08-01 02:09:54

○NSns14.dnsmadeeasy.com2015-07-21 → 2017-05-21 · 4 obs

● 2015-07-21 16:42:22
● 2017-05-21 18:33:32
○ 2026-03-04 20:56:08
○ 2026-08-01 02:09:54

○NSns15.dnsmadeeasy.com2015-07-21 → 2017-05-21 · 4 obs

● 2015-07-21 16:42:22
● 2017-05-21 18:33:32
○ 2026-03-04 20:56:08
○ 2026-08-01 02:09:54

●MXin1-smtp.messagingengine.com2015-07-21 → 2026-08-01 · 2 obs

● 2015-07-21 16:42:22
● 2026-08-01 02:09:54

●MXin2-smtp.messagingengine.com2015-07-21 → 2026-08-01 · 2 obs

● 2015-07-21 16:42:22
● 2026-08-01 02:09:54

●A104.21.87.1182026-03-04 → 2026-08-01 · 3 obs

○ 2017-05-21 18:33:32
● 2026-03-04 20:56:08
● 2026-08-01 02:09:54

○A134.213.133.942016-01-27 → 2016-04-21 · 5 obs

○ 2015-11-20 04:25:58
● 2016-01-27 23:27:34
● 2016-04-21 03:25:36
○ 2016-09-06 11:43:52
○ 2026-08-01 02:09:54

○A157.97.111.702016-09-06 → 2017-05-21 · 5 obs

○ 2016-04-21 03:25:36
● 2016-09-06 11:43:52
● 2017-05-21 18:33:32
○ 2026-03-04 20:56:08
○ 2026-08-01 02:09:54

●A172.67.143.92026-03-04 → 2026-08-01 · 3 obs

○ 2017-05-21 18:33:32
● 2026-03-04 20:56:08
● 2026-08-01 02:09:54

○A178.79.130.2122015-07-21 → 2015-11-20 · 4 obs

● 2015-07-21 16:42:22
● 2015-11-20 04:25:58
○ 2016-01-27 23:27:34
○ 2026-08-01 02:09:54

○A2606:4700:3031::6815:57762026-03-04 → 2026-06-17 · 5 obs

○ 2017-05-21 18:33:32
● 2026-03-04 20:56:08
● 2026-06-17 04:15:42
○ 2026-07-26 18:56:44
○ 2026-08-01 02:09:54

●A2606:4700:3037::6815:57762026-07-26 → 2026-08-01 · 3 obs

○ 2026-06-17 04:15:42
● 2026-07-26 18:56:44
● 2026-08-01 02:09:54

●A2606:4700:3037::ac43:8f092026-03-04 → 2026-08-01 · 3 obs

○ 2017-05-21 18:33:32
● 2026-03-04 20:56:08
● 2026-08-01 02:09:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
schoolofdata.org	carl.ns.cloudflare.com, dana.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.106

NS records: carl.ns.cloudflare.com, dana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolofdata.org (unsigned zone)

⏱️ Timing

Total: 1852ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.9, 104.21.87.118`
AAAA	2	`2606:4700:3037::6815:5776, 2606:4700:3037::ac43:8f09`
NS	2	`carl.ns.cloudflare.com, dana.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	3	`google-site-verification=DeaeoDM1op5XmDj, google-site-verification=fH_XTs3CGQYINhZ...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carl.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

2014.schoolofdata.org is delegated beneath schoolofdata.org.

IP Addresses

schoolofdata.org directs to four IP numbers, which are 104.21.87.118, 172.67.143.9, 2606:4700:3037::6815:5776 and 2606:4700:3037::ac43:8f09.

tianyi3d.com, bos2-mail.domains.pixelforums.net, ifull.tv and two other host names share IP numbers with schoolofdata.org.

Name Servers

schoolofdata.org is delegated to two name servers: carl.ns.cloudflare.com and dana.ns.cloudflare.com.

schoolofdata.org uses the same name servers as several other domains — among them docnetwork.org, halkidikipost.gr, ogstaging.us and two more.

There is at least partial name server overlap between schoolofdata.org and other domains — otiohuli.com.br, venumsoft.com, jotex.jo and two more among them.

These name servers tend to appear in combination with the name servers adi.ns.cloudflare.com, dave.ns.cloudflare.com, rihana.ns.cloudflare.com and jose.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

carl.ns.cloudflare.com resolves to 108.162.193.106, 172.64.33.106, 173.245.59.106 and 3 other IP addresses.

dana.ns.cloudflare.com resolves to 108.162.192.105, 172.64.32.105, 173.245.58.105 and 3 other IP addresses.

Mail Servers

Mail for schoolofdata.org is handled by two mail servers — in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

schoolofdata.org uses an identical mail server configuration to several other domains — among them maliag.com, prairial.net, sarahmdavison.com and two more.

schoolofdata.org shares mail servers with at least some other domains, such as cowboyszone.com, zlido.com and master-inspector.com.

Hostnames that resolve to 8 IP addresses:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Hosts that point to four IP numbers:

in2-smtp.messagingengine.com resolves to four IP addresses — 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.