self-study.app - dns.ninja

`self-study.app`

DNSSEC	🔒 Signed (DS record present)
A	64.44.57.252^{🇺🇸 NEXEON-164.44.0.0/16 Nexeon}
		PTR	`chicago4`
NS	`alla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alla.ns.cloudflare.com`
		A	108.162.192.62^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	172.64.32.62^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	173.245.58.62^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
NS	`isaac.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isaac.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isaac.ns.cloudflare.com`
		A	108.162.193.177^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	172.64.33.177^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	173.245.59.177^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
SOA	`alla.ns.cloudflare.com`dns@cloudflare.com serial=2407124464

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

self-study.eu

self-study.cn

self-study.app

self-study.com

self-study.ru

self-study.org

Similar names

study-self.com

DNS History

3 records (3 active, 0 former)

●NSalla.ns.cloudflare.com2026-03-19 → 2026-07-02 · 2 obs

● 2026-03-19 02:40:48
● 2026-07-02 12:35:34

●NSisaac.ns.cloudflare.com2026-03-19 → 2026-07-02 · 2 obs

● 2026-03-19 02:40:48
● 2026-07-02 12:35:34

●A64.44.57.2522026-03-19 → 2026-07-02 · 2 obs

● 2026-03-19 02:40:48
● 2026-07-02 12:35:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
self-study.app	alla.ns.cloudflare.com, isaac.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.177

NS records: alla.ns.cloudflare.com, isaac.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.44.57.252`
NS	2	`alla.ns.cloudflare.com, isaac.ns.cloudflare.com`
SOA	1	`alla.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

self-study.app resolves to one IP address: 64.44.57.252.

Name Servers

DNS delegation for self-study.app points to two name servers: alla.ns.cloudflare.com and isaac.ns.cloudflare.com.

self-study.app uses the same name servers as several other domains — among them electric-vault.co.uk, aunuo.com, sxbin.com and two more.

self-study.app partially shares its NS delegation with several other domains, including abanint.com, techli.si, 888199x.com and two others.

These name servers are regularly seen alongside eva.ns.cloudflare.com and kenneth.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

alla.ns.cloudflare.com has IP addresses 108.162.192.62, 172.64.32.62 and 173.245.58.62, plus 3 other.

isaac.ns.cloudflare.com has IP addresses 108.162.193.177, 172.64.33.177 and 173.245.59.177, plus 3 other.