`codelearn.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a0ca^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:ef1^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.241^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.202^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`celine.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2662^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c262^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`celine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2262^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`celine.ns.cloudflare.com`
		A	108.162.194.98^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	162.159.38.98^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
		A	172.64.34.98^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celine.ns.cloudflare.com`
NS	`karl.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karl.ns.cloudflare.com`
		A	108.162.193.190^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	172.64.33.190^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	173.245.59.190^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
MX	`codelearn-io.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms44428244`
TXT	`google-site-verification=7PkGjo3Bk--De1w3pmrAke3nqI7A1CVclJVaK-TLPDI`
TXT	`google-site-verification=9ucEzRLl1eEHsqZF8_kDK_sdC_xk26WTUuaO6mpXINo`
TXT	`google-site-verification=qUaSFXjWxHcirSr7VqE2bCt6VpD5txvIfiJT9_wc6OI`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.google.com ~all`
TXT	`workplace-domain-verification= e7e7bd0d-3ff8-44c9-a7c1-cc589cf87485`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.14.241, 172.67.160.202
		IPv6 hints	2606:4700:3035::ac43:a0ca, 2606:4700:3036::6815:ef1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com
SOA	`celine.ns.cloudflare.com`dns@cloudflare.com serial=2402478288

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1777000961

Same first word

codelearn.es

codelearn.io

codelearn.me

codelearn.cat

codelearn.fr

codelearn.com

codelearn.online

codelearn.org

codelearn.ad

Similar names

DNS History

17 records (7 active, 10 former)

○NSalice.ns.cloudflare.com2019-12-19 → 2021-11-05 · 4 obs

● 2019-12-19 17:56:36
● 2021-11-05 04:19:46
○ 2026-02-16 23:43:00
○ 2026-04-24 03:51:40

●NSceline.ns.cloudflare.com2026-02-16 → 2026-04-24 · 3 obs

○ 2021-11-05 04:19:46
● 2026-02-16 23:43:00
● 2026-04-24 03:51:40

●NSkarl.ns.cloudflare.com2026-02-16 → 2026-04-24 · 3 obs

○ 2021-11-05 04:19:46
● 2026-02-16 23:43:00
● 2026-04-24 03:51:40

○NSnoah.ns.cloudflare.com2019-12-19 → 2021-11-05 · 4 obs

● 2019-12-19 17:56:36
● 2021-11-05 04:19:46
○ 2026-02-16 23:43:00
○ 2026-04-24 03:51:40

●MXcodelearn-io.mail.protection.outlook.com2021-11-05 → 2026-04-24 · 2 obs

● 2021-11-05 04:19:46
● 2026-04-24 03:51:40

○A104.18.22.2342021-11-05 → 2021-11-05 · 4 obs

○ 2019-12-19 17:56:36
● 2021-11-05 04:19:46
○ 2026-02-16 23:43:00
○ 2026-04-24 03:51:40

○A104.18.23.2342021-11-05 → 2021-11-05 · 4 obs

○ 2019-12-19 17:56:36
● 2021-11-05 04:19:46
○ 2026-02-16 23:43:00
○ 2026-04-24 03:51:40

●A104.21.14.2412026-02-16 → 2026-04-24 · 3 obs

○ 2021-11-05 04:19:46
● 2026-02-16 23:43:00
● 2026-04-24 03:51:40

○A104.26.8.1802019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 17:56:36
○ 2021-11-05 04:19:46
○ 2026-04-24 03:51:40

○A104.26.9.1802019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 17:56:36
○ 2021-11-05 04:19:46
○ 2026-04-24 03:51:40

●A172.67.160.2022026-02-16 → 2026-04-24 · 3 obs

○ 2021-11-05 04:19:46
● 2026-02-16 23:43:00
● 2026-04-24 03:51:40

○A2606:4700::6812:16ea2021-11-05 → 2021-11-05 · 4 obs

○ 2019-12-19 17:56:36
● 2021-11-05 04:19:46
○ 2026-02-16 23:43:00
○ 2026-04-24 03:51:40

○A2606:4700::6812:17ea2021-11-05 → 2021-11-05 · 4 obs

○ 2019-12-19 17:56:36
● 2021-11-05 04:19:46
○ 2026-02-16 23:43:00
○ 2026-04-24 03:51:40

○A2606:4700:20::681a:8b42019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 17:56:36
○ 2021-11-05 04:19:46
○ 2026-04-24 03:51:40

○A2606:4700:20::681a:9b42019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 17:56:36
○ 2021-11-05 04:19:46
○ 2026-04-24 03:51:40

●A2606:4700:3035::ac43:a0ca2026-02-16 → 2026-04-24 · 3 obs

○ 2021-11-05 04:19:46
● 2026-02-16 23:43:00
● 2026-04-24 03:51:40

●A2606:4700:3036::6815:ef12026-02-16 → 2026-04-24 · 3 obs

○ 2021-11-05 04:19:46
● 2026-02-16 23:43:00
● 2026-04-24 03:51:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
codelearn.io	karl.ns.cloudflare.com, celine.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.190

NS records: karl.ns.cloudflare.com, celine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codelearn.io (unsigned zone)

⏱️ Timing

Total: 676ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.14.241, 172.67.160.202`
AAAA	2	`2606:4700:3035::ac43:a0ca, 2606:4700:3036::6815:ef1`
NS	2	`celine.ns.cloudflare.com, karl.ns.cloudflare.com`
MX	1	`codelearn-io.mail.protection.outlook.com`
TXT	6	`MS=ms44428244, google-site-verification=7PkGjo3Bk--De1w...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`celine.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

codelearn.io maps to four IP numbers: 2606:4700:3035::ac43:a0ca, 2606:4700:3036::6815:ef1, 104.21.14.241 and 172.67.160.202.

Other host names such as online-multiplayer.com, weakhero.org, leishen.net.cn, xn----8sbfa1apcsjbe2bg3jwc.xn--p1ai and modscripts.com share IPs with codelearn.io.

Name Servers

Two name servers celine.ns.cloudflare.com and karl.ns.cloudflare.com handle the delegation for codelearn.io.

codelearn.io shares the same name server setup as other domains, for example uvote.vn, gurel.info, fis.com.vn, fpt-is.com and akames.com.

codelearn.io at least partially shares name servers with other domains, for example chrisswain.com, volter.pt, itemlinks.com, cheline.org and justmotorinsurance.com.

These name servers are commonly used with miles.ns.cloudflare.com and nitin.ns.cloudflare.com and ivan.ns.cloudflare.com.

Host names with six IP numbers:

celine.ns.cloudflare.com points to 2606:4700:50::a29f:2662, 2803:f800:50::6ca2:c262, 2a06:98c1:50::ac40:2262, 108.162.194.98, 162.159.38.98 and 172.64.34.98.

karl.ns.cloudflare.com points to 2606:4700:58::adf5:3bbe, 2803:f800:50::6ca2:c1be, 2a06:98c1:50::ac40:21be, 108.162.193.190, 172.64.33.190 and 173.245.59.190.

Mail Servers

The codelearn-io.mail.protection.outlook.com mail server handles codelearn.io.

Host name codelearn-io.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

codelearn.io - robtex.com

codelearn.io

io

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`codelearn.io`

`io`