justlearn.dk - dns.ninja

`justlearn.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8f02^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:5f2f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.47^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.2^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donald.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`donald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`donald.ns.cloudflare.com`
		A	108.162.193.158^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	172.64.33.158^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
		A	173.245.59.158^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`donald.ns.cloudflare.com`
NS	`tricia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tricia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tricia.ns.cloudflare.com`
		A	108.162.192.232^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	172.64.32.232^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	173.245.58.232^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
MX	`mx2.zoho.eu` ⭐
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx3.zoho.eu`⁽²⁰⁾
		A	185.230.212.166^{🇳🇱 ZOHO-EU185.230.212.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx.zoho.eu`⁽⁵⁰⁾
		A	185.20.209.166^{🇨🇭 COMPUTERLINE185.20.209.0/24}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
TXT	`google-site-verification=UxDNdg8EyQoGfwhctf0F5JXUXafD23KV01MdXo4uzns`
TXT	`google-site-verification=d9U1aLtg5ePWR3GiY0hd_StwWz6A6HXjBW2B_Y8rm-g`
TXT	`google-site-verification=ujBQNG9FJs0gbYzukoCrz9Nk-_Ui71BDAICm-c7MZp0`
TXT	`google-site-verification=zsqs3bPEteJJEWDhz3z5TdnE_pd6YLv2XMigCRr5BB4`
TXT	`v=spf1 include:zoho.eu ~all`
TXT	`yandex-verification: e69a9da08b286b6f`
TXT	`zoho-verification=zb15138744.zmverify.zoho.eu`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.47, 172.67.143.2
		IPv6 hints	2606:4700:3030::ac43:8f02, 2606:4700:3033::6815:5f2f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`donald.ns.cloudflare.com`dns@cloudflare.com serial=2407768891

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1784098441localtime Wed Jul 15 08:54:01 2026gmtime Wed Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1784098441

Same first word

justlearn.com

justlearn.net

justlearn.co

justlearn.io

justlearn.in

justlearn.dk

justlearn.ir

Similar names

learnjust.com

jtlaursen.dk

lunarjets.com

DNS History

19 records (9 active, 10 former)

●NSdonald.ns.cloudflare.com2018-10-29 → 2026-07-15 · 2 obs

● 2018-10-29 19:23:08
● 2026-07-15 07:33:16

●NStricia.ns.cloudflare.com2018-10-29 → 2026-07-15 · 2 obs

● 2018-10-29 19:23:08
● 2026-07-15 07:33:16

●MXmx.zoho.eu2018-10-29 → 2026-07-15 · 2 obs

● 2018-10-29 19:23:08
● 2026-07-15 07:33:16

●MXmx2.zoho.eu2018-10-29 → 2026-07-15 · 2 obs

● 2018-10-29 19:23:08
● 2026-07-15 07:33:16

●MXmx3.zoho.eu2018-10-29 → 2026-07-15 · 2 obs

● 2018-10-29 19:23:08
● 2026-07-15 07:33:16

●A104.21.95.472026-02-20 → 2026-07-15 · 9 obs

○ 2018-10-29 19:23:08
● 2026-02-20 23:09:18
● 2026-04-04 10:30:36
○ 2026-04-08 08:56:02
● 2026-04-11 23:55:10
○ 2026-06-23 15:01:22
● 2026-07-02 06:35:20
○ 2026-07-07 22:47:06
● 2026-07-15 07:33:16

○A104.27.176.802018-10-29 → 2018-10-29 · 3 obs

● 2018-10-29 19:23:08
○ 2026-02-20 23:09:18
○ 2026-07-15 07:33:16

○A104.27.177.802018-10-29 → 2018-10-29 · 3 obs

● 2018-10-29 19:23:08
○ 2026-02-20 23:09:18
○ 2026-07-15 07:33:16

●A172.67.143.22026-02-20 → 2026-07-15 · 9 obs

○A188.114.96.02026-04-08 → 2026-07-07 · 7 obs

○ 2026-04-04 10:30:36
● 2026-04-08 08:56:02
○ 2026-04-11 23:55:10
● 2026-06-23 15:01:22
○ 2026-07-02 06:35:20
● 2026-07-07 22:47:06
○ 2026-07-15 07:33:16

○A188.114.97.02026-04-08 → 2026-07-07 · 7 obs

○ 2026-04-04 10:30:36
● 2026-04-08 08:56:02
○ 2026-04-11 23:55:10
● 2026-06-23 15:01:22
○ 2026-07-02 06:35:20
● 2026-07-07 22:47:06
○ 2026-07-15 07:33:16

○A2606:4700:30::681b:b0502018-10-29 → 2018-10-29 · 3 obs

● 2018-10-29 19:23:08
○ 2026-02-20 23:09:18
○ 2026-07-15 07:33:16

○A2606:4700:30::681b:b1502018-10-29 → 2018-10-29 · 3 obs

● 2018-10-29 19:23:08
○ 2026-02-20 23:09:18
○ 2026-07-15 07:33:16

●A2606:4700:3030::ac43:8f022026-06-22 → 2026-07-15 · 6 obs

○ 2026-04-11 23:55:10
● 2026-06-22 13:07:02
○ 2026-06-23 15:01:22
● 2026-07-02 06:35:20
○ 2026-07-07 22:47:06
● 2026-07-15 07:33:16

●A2606:4700:3033::6815:5f2f2026-06-22 → 2026-07-15 · 6 obs

○ 2026-04-11 23:55:10
● 2026-06-22 13:07:02
○ 2026-06-23 15:01:22
● 2026-07-02 06:35:20
○ 2026-07-07 22:47:06
● 2026-07-15 07:33:16

○A2606:4700:3033::ac43:8f022026-02-20 → 2026-04-11 · 7 obs

○ 2018-10-29 19:23:08
● 2026-02-20 23:09:18
● 2026-04-04 10:30:36
○ 2026-04-08 08:56:02
● 2026-04-11 23:55:10
○ 2026-06-22 13:07:02
○ 2026-07-15 07:33:16

○A2606:4700:3037::6815:5f2f2026-02-20 → 2026-04-11 · 7 obs

○ 2018-10-29 19:23:08
● 2026-02-20 23:09:18
● 2026-04-04 10:30:36
○ 2026-04-08 08:56:02
● 2026-04-11 23:55:10
○ 2026-06-22 13:07:02
○ 2026-07-15 07:33:16

○A2a06:98c1:3120::2026-04-08 → 2026-07-07 · 7 obs

○ 2026-04-04 10:30:36
● 2026-04-08 08:56:02
○ 2026-04-11 23:55:10
● 2026-06-23 15:01:22
○ 2026-07-02 06:35:20
● 2026-07-07 22:47:06
○ 2026-07-15 07:33:16

○A2a06:98c1:3121::2026-04-08 → 2026-07-07 · 7 obs

○ 2026-04-04 10:30:36
● 2026-04-08 08:56:02
○ 2026-04-11 23:55:10
● 2026-06-23 15:01:22
○ 2026-07-02 06:35:20
● 2026-07-07 22:47:06
○ 2026-07-15 07:33:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	c.nic.dk, b.nic.dk, l.nic.dk, s.nic.dk...	-
justlearn.dk	donald.ns.cloudflare.com, tricia.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.232

NS records: donald.ns.cloudflare.com, tricia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justlearn.dk (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.2, 104.21.95.47`
AAAA	2	`2606:4700:3030::ac43:8f02, 2606:4700:3033::6815:5f2f`
NS	2	`donald.ns.cloudflare.com, tricia.ns.cloudflare.com`
MX	3	`mx.zoho.eu (pri: 10), mx2.zoho.eu (pri: 20)...`
TXT	7	`google-site-verification=UxDNdg8EyQoGfwh, google-site-verification=d9U1aLtg5ePWR3G...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`donald.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

justlearn.dk points to the four IP addresses 104.21.95.47, 172.67.143.2, 2606:4700:3030::ac43:8f02 and 2606:4700:3033::6815:5f2f.

zf5ecp.garden, lemanoosh.com, jctzdl.com and two other host names share IP numbers with justlearn.dk.

Name Servers

justlearn.dk uses two name servers for its delegation: donald.ns.cloudflare.com and tricia.ns.cloudflare.com.

justlearn.dk uses the same name servers as several other domains — among them yjksxh.social, cherylweller.com, najmimahdavi.com and two more.

There is at least partial name server overlap between justlearn.dk and other domains — fat.ro, targetplanner.it, nia-nn.ru and two more among them.

These name servers frequently co-occur with the name servers magnolia.ns.cloudflare.com and gabe.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname donald.ns.cloudflare.com directs to 108.162.193.158, 172.64.33.158 and 173.245.59.158 along with 3 other IP addresses.

Hostname tricia.ns.cloudflare.com directs to 108.162.192.232, 172.64.32.232 and 173.245.58.232 along with 3 other IP addresses.

Mail Servers

Incoming mail for justlearn.dk is delivered via three mail servers: mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu.

justlearn.dk has at least partial mail server overlap with other domains such as pingaoculto.es, nodil.eu, ias.knnlab.com and two more.

Hostnames that resolve to two IP addresses:

mx.zoho.eu directs traffic to 185.20.209.166 and 185.230.214.166.

Hosts with just one IP address:

mx2.zoho.eu has the IP address 185.230.214.166.

mx3.zoho.eu has the IP address 185.230.212.166.

Both mx.zoho.eu and mx2.zoho.eu resolve to 185.230.214.166 IP addresses each.