cookschool.org - robtex.com

cookschool.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:c6e3🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:54ee🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.84.238Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.198.227🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalexis.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b3c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexis.ns.cloudflare.com
A2803:f800:50::6ca2:c13c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalexis.ns.cloudflare.com
A2a06:98c1:50::ac40:213c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalexis.ns.cloudflare.com
A108.162.193.60🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexis.ns.cloudflare.com
A172.64.33.60🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexis.ns.cloudflare.com
A173.245.59.60🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalexis.ns.cloudflare.com
NSeva.ns.cloudflare.com
A2606:4700:50::adf5:3a72🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A2803:f800:50::6ca2:c072🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReva.ns.cloudflare.com
A2a06:98c1:50::ac40:2072🇺🇸 Cloudflare2a06:98c1:50::/45
PTReva.ns.cloudflare.com
A108.162.192.114🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A172.64.32.114🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
A173.245.58.114🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReva.ns.cloudflare.com
MXcookschool-org.mail.protection.outlook.com ⭐
A2a01:111:f403:ca0b::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo3p265cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca0b::2🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo0p265cu00202.inbound.protection.outlook.com
A2a01:111:f403:ca1a::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca1a::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00601.inbound.protection.outlook.com
A52.101.89.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A52.101.89.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo3p265cu00302.inbound.protection.outlook.com
A52.101.99.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00600.inbound.protection.outlook.com
A52.101.99.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00502.inbound.protection.outlook.com
TXTMS=ms66970136
TXT_globalsign-domain-verification=C8JmSoJx2Vb-UuNHLIk-4H_4GlsNxlCszAxr0RRDB9
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.84.238, 172.67.198.227
IPv62606:4700:3031::ac43:c6e3, 2606:4700:3037::6815:54ee
SOAalexis.ns.cloudflare.comdns@cloudflare.com serial=2398089237

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1774686612

Subdomains

mail.cookschool.org

Same first word

cookschool.ru
cookschool.org

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSalexis.ns.cloudflare.comeva.ns.cloudflare.comns.hosteurope.comns2.hosteurope.comMXcookschool-org.mail.protection.outlook.commail.cookschool.orgA104.21.84.238172.67.198.2272606:4700:3031::ac43:c6e32606:4700:3037::6815:54ee83.222.253.138
●NSalexis.ns.cloudflare.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-06-01 17:28:20
● 2026-03-07 03:19:48
● 2026-03-28 08:40:18
●NSeva.ns.cloudflare.com2026-03-07 → 2026-03-28 · 3 obs
○ 2018-06-01 17:28:20
● 2026-03-07 03:19:48
● 2026-03-28 08:40:18
○NSns.hosteurope.com2015-06-26 → 2018-06-01 · 4 obs
● 2015-06-26 08:11:50
● 2018-06-01 17:28:20
○ 2026-03-07 03:19:48
○ 2026-03-28 08:40:18
○NSns2.hosteurope.com2015-06-26 → 2018-06-01 · 4 obs
● 2015-06-26 08:11:50
● 2018-06-01 17:28:20
○ 2026-03-07 03:19:48
○ 2026-03-28 08:40:18
●MXcookschool-org.mail.protection.outlook.com2018-06-01 → 2026-03-28 · 3 obs
○ 2017-01-08 00:23:18
● 2018-06-01 17:28:20
● 2026-03-28 08:40:18
○MXmail.cookschool.org2015-06-26 → 2017-01-08 · 4 obs
● 2015-06-26 08:11:50
● 2017-01-08 00:23:18
○ 2018-06-01 17:28:20
○ 2026-03-28 08:40:18
●A104.21.84.2382026-03-07 → 2026-03-28 · 3 obs
○ 2018-06-01 17:28:20
● 2026-03-07 03:19:48
● 2026-03-28 08:40:18
●A172.67.198.2272026-03-07 → 2026-03-28 · 3 obs
○ 2018-06-01 17:28:20
● 2026-03-07 03:19:48
● 2026-03-28 08:40:18
●A2606:4700:3031::ac43:c6e32026-03-07 → 2026-03-28 · 3 obs
○ 2018-06-01 17:28:20
● 2026-03-07 03:19:48
● 2026-03-28 08:40:18
●A2606:4700:3037::6815:54ee2026-03-07 → 2026-03-28 · 3 obs
○ 2018-06-01 17:28:20
● 2026-03-07 03:19:48
● 2026-03-28 08:40:18
○A83.222.253.1382015-06-26 → 2018-06-01 · 4 obs
● 2015-06-26 08:11:50
● 2018-06-01 17:28:20
○ 2026-03-07 03:19:48
○ 2026-03-28 08:40:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cookschool.orgalexis.ns.cloudflare.com, eva.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.60

NS records: alexis.ns.cloudflare.com, eva.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cookschool.org (unsigned zone)

⏱️ Timing

Total: 416ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.84.238, 172.67.198.227
AAAA22606:4700:3031::ac43:c6e3, 2606:4700:3037::6815:54ee
NS2alexis.ns.cloudflare.com, eva.ns.cloudflare.com
MX1cookschool-org.mail.protection.outlook.c
TXT3MS=ms66970136, _globalsign-domain-verification=C8JmSoJx...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alexis.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

cookschool.org is the parent of mail.cookschool.org.

IP Addresses

cookschool.org resolves to four IPs: 2606:4700:3031::ac43:c6e3, 2606:4700:3037::6815:54ee, 104.21.84.238 and 172.67.198.227.

Other host names, for instance directlogo.net, sdobrym-utrom.ru, ideg.com, hnxrhotel.com and www.kuwinok11.com share IP numbers with cookschool.org.

Name Servers

cookschool.org has two name servers: alexis.ns.cloudflare.com and eva.ns.cloudflare.com.

cookschool.org shares the same name server setup as other domains, for example mecruitment.co.uk, mysweetandsaucy.com, scottishstorytellingcentre.co.uk, rypress.com and allanthebutchers.co.uk.

cookschool.org shares some name servers with other domains, for example balikligol.com, nomad.watch, proukrhistory.com.ua, (0x736578)25hours.info and wildfireinternet.co.uk.

These name servers are often used together with quincy.ns.cloudflare.com, lila.ns.cloudflare.com and igor.ns.cloudflare.com.

Host names with six IP numbers: alexis.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3c, 2803:f800:50::6ca2:c13c, 2a06:98c1:50::ac40:213c, 108.162.193.60, 172.64.33.60 and 173.245.59.60; eva.ns.cloudflare.com points to: 2606:4700:50::adf5:3a72, 2803:f800:50::6ca2:c072, 2a06:98c1:50::ac40:2072, 108.162.192.114, 172.64.32.114 and 173.245.58.114.

Mail Servers

cookschool.org is handled by a single mail server, cookschool-org.mail.protection.outlook.com.

Host cookschool-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.2, 52.101.99.0 and 52.101.99.2.