learning.fail - dns.ninja

learning.fail

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:b79a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:53f4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.244Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.154🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdamien.ns.cloudflare.com
A2606:4700:58::a29f:2ca8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A2803:f800:50::6ca2:c3a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdamien.ns.cloudflare.com
A2a06:98c1:50::ac40:23a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdamien.ns.cloudflare.com
A108.162.195.168🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A162.159.44.168Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
A172.64.35.168🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdamien.ns.cloudflare.com
NSelisa.ns.cloudflare.com
A2606:4700:50::a29f:2636🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A2803:f800:50::6ca2:c236🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2236🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelisa.ns.cloudflare.com
A108.162.194.54🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A162.159.38.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A172.64.34.54🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
MXmail.protonmail.ch
A176.119.200.128🇨🇭 Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129🇨🇭 Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTprotonmail-verification=46fbe6b9a9b692a3461d83ac97ae69b014b085f2
TXTv=spf1 include:_spf.protonmail.ch ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.83.244, 172.67.183.154
IPv6 hints2606:4700:3035::ac43:b79a, 2606:4700:3037::6815:53f4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAdamien.ns.cloudflare.comdns@cloudflare.com serial=2406140606

fail

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.fail
NSv0n1.nic.fail
NSv0n2.nic.fail
NSv0n3.nic.fail
NSv2n0.nic.fail
NSv2n1.nic.fail
SOAv0n0.nic.failhostmaster@donuts.email serial=1780867383

Previously MX for

Same first word

Similar names

DNS History

12 records (8 active, 4 former)

2017201820192020202120222023202420252026NSdamien.ns.cloudflare.comelisa.ns.cloudflare.comns1.sprucehost.comMXmail.protonmail.chmailsec.protonmail.chlearning.failA104.21.83.244172.67.183.1542606:4700:3035::ac43:b79a2606:4700:3037::6815:53f4172.64.80.1173.199.171.32
NSdamien.ns.cloudflare.com2026-02-27 → 2026-06-07 · 3 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
● 2026-06-07 21:36:40
NSelisa.ns.cloudflare.com2026-02-27 → 2026-06-07 · 3 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
● 2026-06-07 21:36:40
NSns1.sprucehost.com2016-12-10 → 2017-09-08 · 4 obs
● 2016-12-10 21:43:12
● 2017-09-08 09:36:44
○ 2026-02-27 11:40:48
○ 2026-06-07 21:36:40
MXlearning.fail2016-12-10 → 2017-09-08 · 4 obs
● 2016-12-10 21:43:12
● 2017-09-08 09:36:44
○ 2026-02-27 11:40:48
○ 2026-06-07 21:36:40
MXmail.protonmail.ch2026-02-27 → 2026-06-07 · 3 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
● 2026-06-07 21:36:40
MXmailsec.protonmail.ch2026-02-27 → 2026-06-07 · 3 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
● 2026-06-07 21:36:40
A104.21.83.2442026-02-27 → 2026-06-07 · 5 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
○ 2026-03-04 08:48:12
● 2026-03-17 13:26:36
● 2026-06-07 21:36:40
A172.64.80.12026-03-04 → 2026-03-04 · 4 obs
○ 2026-02-27 11:40:48
● 2026-03-04 08:48:12
○ 2026-03-17 13:26:36
○ 2026-06-07 21:36:40
A172.67.183.1542026-02-27 → 2026-06-07 · 5 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
○ 2026-03-04 08:48:12
● 2026-03-17 13:26:36
● 2026-06-07 21:36:40
A173.199.171.322016-12-10 → 2017-09-08 · 4 obs
● 2016-12-10 21:43:12
● 2017-09-08 09:36:44
○ 2026-02-27 11:40:48
○ 2026-06-07 21:36:40
A2606:4700:3035::ac43:b79a2026-02-27 → 2026-06-07 · 3 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
● 2026-06-07 21:36:40
A2606:4700:3037::6815:53f42026-02-27 → 2026-06-07 · 3 obs
○ 2017-09-08 09:36:44
● 2026-02-27 11:40:48
● 2026-06-07 21:36:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
failv0n0.nic.fail, v2n0.nic.fail, v0n2.nic.fail, v2n1.nic.fail...12 records
learning.faildamien.ns.cloudflare.com, elisa.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.54

NS records: damien.ns.cloudflare.com, elisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learning.fail (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.83.244, 172.67.183.154
AAAA22606:4700:3035::ac43:b79a, 2606:4700:3037::6815:53f4
NS2damien.ns.cloudflare.com, elisa.ns.cloudflare.com
MX2mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)
TXT2protonmail-verification=46fbe6b9a9b692a3, v=spf1 include:_spf.protonmail.ch ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1damien.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.fail, v0n0.nic.fail, v2n0.nic.fail...)

Analysis

IP Addresses

learning.fail points to 4 IP addresses — 104.21.83.244, 172.67.183.154, 2606:4700:3035::ac43:b79a and 2606:4700:3037::6815:53f4.

multistre.am, hokikaferesmi.com, casestudycrew.com plus two other host names have IP numbers in common with learning.fail.

Name Servers

learning.fail has two authoritative name servers — damien.ns.cloudflare.com and elisa.ns.cloudflare.com.

The name server configuration of learning.fail is shared with other domains, for instance acias.org, ravens-nest.net, hitman.com.ua and two others.

At least some of learning.fail's name servers are shared with other domains, for example labo-ans.com, bfyhd.com, saassolve.info and two more.

It is common for these name servers to be used in conjunction with the name servers max.ns.cloudflare.com, adi.ns.cloudflare.com and ariella.ns.cloudflare.com.

Hosts with 6 IP addresses each:

damien.ns.cloudflare.com directs to 108.162.195.168, 162.159.44.168, 172.64.35.168 and three others.

elisa.ns.cloudflare.com directs to 108.162.194.54, 162.159.38.54, 172.64.34.54 and three others.

Mail Servers

learning.fail uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of learning.fail matches that of other domains such as findsome(0x706f726e).com, riseandclimb.ca, high.wtf and two others.

At least some of the mail servers used by learning.fail are shared with other domains: pandiver.org, nicola-jean.com, techslopes.com and two others among them.

The hosts mail.protonmail.ch and mailsec.protonmail.ch both resolve to three IP numbers: mail.protonmail.ch to 176.119.200.128, 185.70.42.128 and 185.205.70.128, and mailsec.protonmail.ch to 176.119.200.129, 185.70.42.129 and 185.205.70.129.