`studyflash.ai`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:2be^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:3be^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4abf^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.2.190^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.3.190^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.74.191^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`christina.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`christina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`christina.ns.cloudflare.com`
		A	108.162.194.193^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	162.159.38.193^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
		A	172.64.34.193^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`christina.ns.cloudflare.com`
NS	`sergi.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c44^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c344^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sergi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2344^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sergi.ns.cloudflare.com`
		A	108.162.195.68^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
		A	162.159.44.68^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
		A	172.64.35.68^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sergi.ns.cloudflare.com`
MX	`studyflash-ai.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca3c::^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrap278cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrzp278cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::2^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zr1p278cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3e::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
		A	52.101.185.12^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrap278cu00304.inbound.protection.outlook.com`
		A	52.101.185.13^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrzp278cu00205.inbound.protection.outlook.com`
		A	52.101.185.14^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zr1p278cu00206.inbound.protection.outlook.com`
		A	52.101.187.1^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
TXT	`MS=ms19261680`
TXT	`NETORGFT17859792.onmicrosoft.com`
TXT	`_1e6rvj7mamqiry77cxollrbjipgfhge`
TXT	`_br8sbaeyea52rc4ggw0jq4nmvihae37`
TXT	`google-site-verification=SMI1AO_mxtjF-UHxtp1ifUI2tGGnxXNHXOwL1TmYS4Y`
TXT	`v=spf1 include:secureserver.net -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.2.190, 104.26.3.190, 172.67.74.191
		IPv6	2606:4700:20::681a:2be, 2606:4700:20::681a:3be, 2606:4700:20::ac43:4abf
SOA	`christina.ns.cloudflare.com`dns@cloudflare.com serial=2399681777

`ai`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.ai` ⭐
	NS	`v0n1.nic.ai`
	NS	`v0n2.nic.ai`
	NS	`v0n3.nic.ai`
	NS	`v2n0.nic.ai`
	NS	`v2n1.nic.ai`
	SOA	`v0n0.nic.ai`hostmaster@donuts.email serial=1773673351

📈 Tranco rank: #585,182

Subdomains

app.studyflash.ai

Same first word

studyflash.ai

Similar names

flashstudy.de

DNS History

13 records (9 active, 4 former)

●NSchristina.ns.cloudflare.com2026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 08:27:32
● 2026-03-24 08:14:32

●NSsergi.ns.cloudflare.com2026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 08:27:32
● 2026-03-24 08:14:32

●MXstudyflash-ai.mail.protection.outlook.com2026-03-07 → 2026-03-24 · 2 obs

● 2026-03-07 08:27:32
● 2026-03-24 08:14:32

○A104.21.81.1932026-03-07 → 2026-03-07 · 3 obs

● 2026-03-07 08:27:32
○ 2026-03-17 01:57:26
○ 2026-03-24 08:14:32

●A104.26.2.1902026-03-17 → 2026-03-24 · 3 obs

○ 2026-03-07 08:27:32
● 2026-03-17 01:57:26
● 2026-03-24 08:14:32

●A104.26.3.1902026-03-17 → 2026-03-24 · 3 obs

○ 2026-03-07 08:27:32
● 2026-03-17 01:57:26
● 2026-03-24 08:14:32

○A172.67.190.1502026-03-07 → 2026-03-07 · 3 obs

● 2026-03-07 08:27:32
○ 2026-03-17 01:57:26
○ 2026-03-24 08:14:32

●A172.67.74.1912026-03-17 → 2026-03-24 · 3 obs

○ 2026-03-07 08:27:32
● 2026-03-17 01:57:26
● 2026-03-24 08:14:32

●A2606:4700:20::681a:2be2026-03-17 → 2026-03-24 · 3 obs

○ 2026-03-07 08:27:32
● 2026-03-17 01:57:26
● 2026-03-24 08:14:32

●A2606:4700:20::681a:3be2026-03-17 → 2026-03-24 · 3 obs

○ 2026-03-07 08:27:32
● 2026-03-17 01:57:26
● 2026-03-24 08:14:32

●A2606:4700:20::ac43:4abf2026-03-17 → 2026-03-24 · 3 obs

○ 2026-03-07 08:27:32
● 2026-03-17 01:57:26
● 2026-03-24 08:14:32

○A2606:4700:3031::ac43:be962026-03-07 → 2026-03-07 · 3 obs

● 2026-03-07 08:27:32
○ 2026-03-17 01:57:26
○ 2026-03-24 08:14:32

○A2606:4700:3035::6815:51c12026-03-07 → 2026-03-07 · 3 obs

● 2026-03-07 08:27:32
○ 2026-03-17 01:57:26
○ 2026-03-24 08:14:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ai	v0n0.nic.ai, v0n1.nic.ai, v0n2.nic.ai, v0n3.nic.ai...	12 records
studyflash.ai	christina.ns.cloudflare.com, sergi.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.193

NS records: christina.ns.cloudflare.com, sergi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyflash.ai (unsigned zone)

⏱️ Timing

Total: 508ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.74.191, 104.26.3.190...`
AAAA	3	`2606:4700:20::681a:2be, 2606:4700:20::681a:3be...`
NS	2	`christina.ns.cloudflare.com, sergi.ns.cloudflare.com`
MX	1	`studyflash-ai.mail.protection.outlook.co`
TXT	6	`MS=ms19261680, NETORGFT17859792.onmicrosoft.com...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`christina.ns.cloudflare.com dns.cloudfla`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.ai, v0n0.nic.ai, v0n1.nic.ai...)

Analysis

Hierarchy

The parent of app.studyflash.ai is studyflash.ai.

IP Addresses

studyflash.ai resolves to six IP numbers: 2606:4700:20::681a:2be, 2606:4700:20::681a:3be, 2606:4700:20::ac43:4abf, 104.26.2.190, 104.26.3.190 and 172.67.74.191.

Other host names, for instance voblershop.com, mail.deltager.no, gananencasa.biz, ff7.is and uakino.best share IP numbers with studyflash.ai.

Name Servers

Two name servers christina.ns.cloudflare.com and sergi.ns.cloudflare.com handle delegation for studyflash.ai.

studyflash.ai uses the same name server setup as other domains, for example casinoutansvenskspellicens.org, uclmlsu.org, online-casino-utan-licens.org, governor.alabama.gov and kronenbrauhaus.com.

studyflash.ai partially shares name servers with other domains; examples include puckpedia.com, wuliangyenyc.com, jojo-girismobil.vip, 2019applesecuritiessettlement.com and facturation-primes.com.

These name servers are commonly used with aaron.ns.cloudflare.com, paityn.ns.cloudflare.com and garret.ns.cloudflare.com.

Host names with six IP numbers: christina.ns.cloudflare.com points to: 2606:4700:50::a29f:26c1, 2803:f800:50::6ca2:c2c1, 2a06:98c1:50::ac40:22c1, 108.162.194.193, 162.159.38.193 and 172.64.34.193; sergi.ns.cloudflare.com points to: 2606:4700:58::a29f:2c44, 2803:f800:50::6ca2:c344, 2a06:98c1:50::ac40:2344, 108.162.195.68, 162.159.44.68 and 172.64.35.68.

Mail Servers

studyflash.ai is handled by a single mail server, studyflash-ai.mail.protection.outlook.com.

Hostname studyflash-ai.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca3c::, 2a01:111:f403:ca3c::1, 2a01:111:f403:ca3c::2, 2a01:111:f403:ca3e::1, 52.101.185.12, 52.101.185.13, 52.101.185.14 and 52.101.187.1.

studyflash.ai - robtex.com

studyflash.ai

ai

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`studyflash.ai`

`ai`