`learncognito.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:46b4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8a2a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.180^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.42^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`davina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2628^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c228^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`davina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2228^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`davina.ns.cloudflare.com`
		A	108.162.194.40^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
		A	162.159.38.40^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
		A	172.64.34.40^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`davina.ns.cloudflare.com`
NS	`matias.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c49^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c349^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matias.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2349^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matias.ns.cloudflare.com`
		A	108.162.195.73^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	162.159.44.73^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	172.64.35.73^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.70.180, 172.67.138.42
		IPv6	2606:4700:3036::6815:46b4, 2606:4700:3037::ac43:8a2a
SOA	`davina.ns.cloudflare.com`dns@cloudflare.com serial=2400006519

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774779732

Subdomains

ophthalmophthisis.learncognito.com

polygloter.learncognito.com

Same first word

learncognito.com

Similar names

rntecnologia.com

nolocatering.it

rntecnologia.com.br

containerlog.com

creationlong.org

oncointegral.com.mx

gocartonline.com

colinnorgate.co.uk

DNS History

17 records (6 active, 11 former)

●NSdavina.ns.cloudflare.com2026-03-28 → 2026-03-29 · 3 obs

○ 2026-02-22 11:01:34
● 2026-03-28 08:09:20
● 2026-03-29 10:49:36

●NSmatias.ns.cloudflare.com2026-03-28 → 2026-03-29 · 3 obs

○ 2026-02-22 11:01:34
● 2026-03-28 08:09:20
● 2026-03-29 10:49:36

○NSns1.name.com2026-02-16 → 2026-02-22 · 5 obs

○ 2018-11-30 22:05:58
● 2026-02-16 23:05:10
● 2026-02-22 11:01:34
○ 2026-03-28 08:09:20
○ 2026-03-29 10:49:36

○NSns1dns.name.com2026-02-16 → 2026-02-22 · 5 obs

○ 2018-11-30 22:05:58
● 2026-02-16 23:05:10
● 2026-02-22 11:01:34
○ 2026-03-28 08:09:20
○ 2026-03-29 10:49:36

○NSns1glr.name.com2018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 22:05:58
○ 2026-02-16 23:05:10
○ 2026-03-29 10:49:36

○NSns2dky.name.com2018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 22:05:58
○ 2026-02-16 23:05:10
○ 2026-03-29 10:49:36

○NSns2fwz.name.com2026-02-16 → 2026-02-22 · 5 obs

○ 2018-11-30 22:05:58
● 2026-02-16 23:05:10
● 2026-02-22 11:01:34
○ 2026-03-28 08:09:20
○ 2026-03-29 10:49:36

○NSns3bfm.name.com2026-02-16 → 2026-02-22 · 5 obs

○ 2018-11-30 22:05:58
● 2026-02-16 23:05:10
● 2026-02-22 11:01:34
○ 2026-03-28 08:09:20
○ 2026-03-29 10:49:36

○NSns3nrz.name.com2018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 22:05:58
○ 2026-02-16 23:05:10
○ 2026-03-29 10:49:36

○NSns4cgs.name.com2018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 22:05:58
○ 2026-02-16 23:05:10
○ 2026-03-29 10:49:36

○NSns4clq.name.com2026-02-16 → 2026-02-22 · 5 obs

○ 2018-11-30 22:05:58
● 2026-02-16 23:05:10
● 2026-02-22 11:01:34
○ 2026-03-28 08:09:20
○ 2026-03-29 10:49:36

●A104.21.70.1802026-03-28 → 2026-03-29 · 3 obs

○ 2026-02-22 11:01:34
● 2026-03-28 08:09:20
● 2026-03-29 10:49:36

●A172.67.138.422026-03-28 → 2026-03-29 · 3 obs

○ 2026-02-22 11:01:34
● 2026-03-28 08:09:20
● 2026-03-29 10:49:36

●A2606:4700:3036::6815:46b42026-03-28 → 2026-03-29 · 3 obs

○ 2026-02-22 11:01:34
● 2026-03-28 08:09:20
● 2026-03-29 10:49:36

●A2606:4700:3037::ac43:8a2a2026-03-28 → 2026-03-29 · 3 obs

○ 2026-02-22 11:01:34
● 2026-03-28 08:09:20
● 2026-03-29 10:49:36

○A66.55.89.662026-02-16 → 2026-02-22 · 5 obs

○ 2018-11-30 22:05:58
● 2026-02-16 23:05:10
● 2026-02-22 11:01:34
○ 2026-03-28 08:09:20
○ 2026-03-29 10:49:36

○A91.195.240.942018-11-30 → 2018-11-30 · 3 obs

● 2018-11-30 22:05:58
○ 2026-02-16 23:05:10
○ 2026-03-29 10:49:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
learncognito.com	davina.ns.cloudflare.com, matias.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.40

NS records: davina.ns.cloudflare.com, matias.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learncognito.com (unsigned zone)

⏱️ Timing

Total: 279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.70.180, 172.67.138.42`
AAAA	2	`2606:4700:3037::ac43:8a2a, 2606:4700:3036::6815:46b4`
NS	2	`davina.ns.cloudflare.com, matias.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`davina.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (davina.ns.cloudflare.com, davina.ns.cloudflare.com, davina.ns.cloudflare.com...)

Analysis

Hierarchy

learncognito.com is a parent of ophthalmophthisis.learncognito.com and polygloter.learncognito.com.

IP Addresses

learncognito.com resolves to four IPs: 2606:4700:3036::6815:46b4, 2606:4700:3037::ac43:8a2a, 104.21.70.180 and 172.67.138.42.

Other host names such as hrbbxg.com, 1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.1df60117caf6.vintagewatchstraps.com, mail1.scd.ie, perfectwrist.ru and 300451.cn share IP numbers with learncognito.com.

Name Servers

learncognito.com is delegated to two name servers: davina.ns.cloudflare.com and matias.ns.cloudflare.com.

learncognito.com uses the same name server setup as other domains, including opnlab.dk, fairytell.net, openlab.dk, facientuantulate.com and savingsanddebt.com.

At least part of the name servers for learncognito.com are shared with other domains, for instance ruixiangtong.com, practica-ta.ro, csgorankedaccounts.com, fkxmsx.com and gmpintl.com.

These name servers are often used together with carla.ns.cloudflare.com, troy.ns.cloudflare.com and logan.ns.cloudflare.com.

Host names with six IP numbers:

davina.ns.cloudflare.com points to: 2606:4700:50::a29f:2628, 2803:f800:50::6ca2:c228, 2a06:98c1:50::ac40:2228, 108.162.194.40, 162.159.38.40 and 172.64.34.40.

matias.ns.cloudflare.com points to: 2606:4700:58::a29f:2c49, 2803:f800:50::6ca2:c349, 2a06:98c1:50::ac40:2349, 108.162.195.73, 162.159.44.73 and 172.64.35.73.

learncognito.com - robtex.com