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:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-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::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::1b^{🇨🇱 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	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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=2406226050

`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=2606082045

📈 Tranco rank: #773,530

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 → 2026-06-08 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-06-08 22:06:18

○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
○ 2026-06-08 22:06:18

○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
○ 2026-06-08 22:06:18

●NSolga.ns.cloudflare.com2026-03-09 → 2026-06-08 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-06-08 22:06:18

●MXalt1.aspmx.l.google.com2016-03-13 → 2026-06-08 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-06-08 22:06:18

●MXalt2.aspmx.l.google.com2016-03-13 → 2026-06-08 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-06-08 22:06:18

●MXaspmx.l.google.com2016-03-13 → 2026-06-08 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-06-08 22:06:18

●MXaspmx2.googlemail.com2016-03-13 → 2026-06-08 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-06-08 22:06:18

●MXaspmx3.googlemail.com2016-03-13 → 2026-06-08 · 3 obs

○ 2015-12-14 10:47:36
● 2016-03-13 06:18:36
● 2026-06-08 22:06:18

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

● 2015-08-20 16:05:52
○ 2015-12-14 10:47:36
○ 2026-06-08 22:06:18

○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
○ 2026-06-08 22:06:18

○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
○ 2026-06-08 22:06:18

○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
○ 2026-06-08 22:06:18

○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
○ 2026-06-08 22:06:18

●A2a01:4f8:a0:11e8::22026-03-09 → 2026-06-08 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-06-08 22:06:18

●A88.198.41.1992026-03-09 → 2026-06-08 · 3 obs

○ 2016-07-15 03:18:04
● 2026-03-09 08:02:16
● 2026-06-08 22:06:18

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:172.64.33.167

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codelearn.cat (unsigned zone)

⏱️ Timing

Total: 694ms | 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 (anyc1.irondns.net, nsc.nic.de, cat.pch.net...)

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 points to two IP numbers: 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 annabel.ns.cloudflare.com, carl.ns.cloudflare.com, nia.ns.cloudflare.com and sergi.ns.cloudflare.com are often found in use alongside these name servers.

Hostnames that resolve to 6 IP addresses:

The hostname george.ns.cloudflare.com resolves to 108.162.193.167, 172.64.33.167, 173.245.59.167 and three additional IP addresses.

The hostname olga.ns.cloudflare.com resolves to 108.162.192.137, 172.64.32.137, 173.245.58.137 and three additional IP addresses.

Mail Servers

codelearn.cat has 5 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two more.

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 often appear together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and three other mail servers.

Hostnames that resolve to two IP addresses:

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

aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com resolves to two addresses: 172.253.63.26 and 2607:f8b0:4004:c1b::1b.

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 2800:3f0:4003:c0f::1b IP addresses.

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.

aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.26 IP addresses.