codelearn.cat - dns.ninja

`codelearn.cat`

DNSSEC	⚠️ Not signed
A	2a01:4f8:a0:11e8::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`codelearn.cat`
A	88.198.41.199^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
NS	`george.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`george.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`george.ns.cloudflare.com`
		A	108.162.193.167^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	172.64.33.167^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	173.245.59.167^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
NS	`olga.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.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::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`google-site-verification=Jw1zL9fPlkjnCxWgul5QMJOBB-YscdyVTiXarCI7-oo`
TXT	`v=spf1 mx ip4:188.40.142.211 ip4:5.9.118.77 ip4:88.198.41.199 ip4:46.4.13.211...`
SOA	`george.ns.cloudflare.com`dns@cloudflare.com serial=2409899146

`cat`

	DNSSEC	🔒 Signed (DS record present)
	NS	`anyc1.irondns.net` ⭐
	NS	`cat.ns.nic.es`
	NS	`cat.pch.net`
	NS	`nsc.nic.de`
	NS	`switch.nic.cat`
	SOA	`anyc1.irondns.net`dnsmaster@corenic.org serial=2607281122

📈 Tranco rank: #768,914

PTR for

199.41.198.88.in-addr.arpa

2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.1.1.0.a.0.0.8.f.4.0.1.0.a.2.ip6.arpa

Subdomains

fun.codelearn.cat

www.codelearn.cat

mail.codelearn.cat

sandor.codelearn.cat

Same first word

codelearn.cat

codelearn.fr

codelearn.com

codelearn.online

codelearn.org

codelearn.ad

codelearn.es

codelearn.io

codelearn.me

Similar names

DNS History

16 records (9 active, 7 former)

●NSgeorge.ns.cloudflare.com2026-03-09 → 2026-07-28 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-07-28 11:28:16

○NSns1.rescat.net2015-08-20 → 2016-07-15 · 4 obs

● 2015-08-20 16:05:52
● 2016-07-15 03:18:04
○ 2026-03-09 08:02:16
○ 2026-07-28 11:28:16

○NSns2.rescat.net2015-08-20 → 2016-07-15 · 4 obs

● 2015-08-20 16:05:52
● 2016-07-15 03:18:04
○ 2026-03-09 08:02:16
○ 2026-07-28 11:28:16

●NSolga.ns.cloudflare.com2026-03-09 → 2026-07-28 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-07-28 11:28:16

●MXalt1.aspmx.l.google.com2016-03-13 → 2026-07-28 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-07-28 11:28:16

●MXalt2.aspmx.l.google.com2016-03-13 → 2026-07-28 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-07-28 11:28:16

●MXaspmx.l.google.com2016-03-13 → 2026-07-28 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-07-28 11:28:16

●MXaspmx2.googlemail.com2016-03-13 → 2026-07-28 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-07-28 11:28:16

●MXaspmx3.googlemail.com2016-03-13 → 2026-07-28 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-07-28 11:28:16

○MXmail.codelearn.cat2015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 16:05:52
○ 2015-12-14 10:47:36
○ 2026-07-28 11:28:16

○MXmxa.mailgun.org2015-12-14 → 2015-12-14 · 4 obs

○ 2015-08-20 16:05:52
● 2015-12-14 10:47:36
○ 2016-03-13 06:18:36
○ 2026-07-28 11:28:16

○MXmxb.mailgun.org2015-12-14 → 2015-12-14 · 4 obs

○ 2015-08-20 16:05:52
● 2015-12-14 10:47:36
○ 2016-03-13 06:18:36
○ 2026-07-28 11:28:16

○A188.40.142.2112015-08-20 → 2016-07-15 · 4 obs

● 2015-08-20 16:05:52
● 2016-07-15 03:18:04
○ 2026-03-09 08:02:16
○ 2026-07-28 11:28:16

○A2a01:4f8:101:1206::22016-03-13 → 2016-07-15 · 5 obs

○ 2015-08-20 16:05:52
● 2016-03-13 06:18:36
● 2016-07-15 03:18:04
○ 2026-03-09 08:02:16
○ 2026-07-28 11:28:16

●A2a01:4f8:a0:11e8::22026-03-09 → 2026-07-28 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-07-28 11:28:16

●A88.198.41.1992026-03-09 → 2026-07-28 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-07-28 11:28:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cat	cat.ns.nic.es, switch.nic.cat, nsc.nic.de, cat.pch.net...	10 records
codelearn.cat	olga.ns.cloudflare.com, george.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.167

NS records: olga.ns.cloudflare.com, george.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codelearn.cat (unsigned zone)

⏱️ Timing

Total: 2387ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.198.41.199`
AAAA	1	`2a01:4f8:a0:11e8::2`
NS	2	`george.ns.cloudflare.com, olga.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`google-site-verification=Jw1zL9fPlkjnCxW, v=spf1 mx ip4:188.40.142.211 ip4:5.9.118`
SOA	1	`george.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

In-bailiwick: 2 (switch.nic.cat, switch.nic.cat)

Out-of-bailiwick: 8 (cat.ns.nic.es, cat.ns.nic.es, nsc.nic.de...)

Analysis

Hierarchy

fun.codelearn.cat, www.codelearn.cat, mail.codelearn.cat and sandor.codelearn.cat each fall under the parent domain codelearn.cat.

IP Addresses

codelearn.cat resolves to the IP addresses 88.198.41.199 and 2a01:4f8:a0:11e8::2

codelearn.fr, codelearn.com, codelearn.ad and codelearn.es are examples of host names that share IP numbers with codelearn.cat.

Name Servers

Two name servers handle the delegation for codelearn.cat: george.ns.cloudflare.com and olga.ns.cloudflare.com.

codelearn.cat uses the same name servers as several other domains — among them 2pt0.org, humdinger.co, codelearn.ad and two more.

codelearn.cat partially shares its NS delegation with several other domains, including instantebookstores.com, i-webbiz.com, undressaitools.net and two others.

The name servers carl.ns.cloudflare.com, nia.ns.cloudflare.com, annabel.ns.cloudflare.com and sergi.ns.cloudflare.com are often found in use alongside these name servers.

Hostnames that resolve to 6 IP addresses:

george.ns.cloudflare.com resolves to 108.162.193.167, 172.64.33.167 and 173.245.59.167 among others, with 3 other IP addresses in total.

olga.ns.cloudflare.com resolves to 108.162.192.137, 172.64.32.137 and 173.245.58.137 among others, with 3 other IP addresses in total.

Mail Servers

codelearn.cat is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

codelearn.cat has at least partial mail server overlap with other domains such as cesbron.com, bossbabes.org, skyaviatex.com and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

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

aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to two addresses: 64.233.180.27 and 2607:f8b0:4004:c19::1a.

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

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.27 IP addresses.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 2a00:1450:400b:c02::1b IP addresses.