studyflow.tools - dns.ninja

`studyflow.tools`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b36a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5070^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.112^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.106^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harvey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c398^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harvey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2398^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harvey.ns.cloudflare.com`
		A	108.162.195.152^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	162.159.44.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	172.64.35.152^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
NS	`rita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rita.ns.cloudflare.com`
		A	108.162.192.140^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	172.64.32.140^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	173.245.58.140^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽¹⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁸⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=ac2_zizJiOKmZ8kKflFwWIw0yjX6M3ymqrxir6gtQpU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
TXT	`yandex-verification: 510eb19a611e9115`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.112, 172.67.179.106
		IPv6 hints	2606:4700:3032::ac43:b36a, 2606:4700:3037::6815:5070
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=219, name=cloudflare-ech.com
SOA	`harvey.ns.cloudflare.com`dns@cloudflare.com serial=2406596315

`tools`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.tools` ⭐
	NS	`v0n1.nic.tools`
	NS	`v0n2.nic.tools`
	NS	`v0n3.nic.tools`
	NS	`v2n0.nic.tools`
	NS	`v2n1.nic.tools`
	SOA	`v0n0.nic.tools`hostmaster@donuts.email serial=1782650355

Same first word

studyflow.in

studyflow.ru

studyflow.tools

studyflow.nl

studyflow.net

Similar names

flowstudy.com

DNS History

10 records (9 active, 1 former)

●NSharvey.ns.cloudflare.com2026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

●NSrita.ns.cloudflare.com2026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

●MXroute1.mx.cloudflare.net2026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

●MXroute2.mx.cloudflare.net2026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

●MXroute3.mx.cloudflare.net2026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

●A104.21.80.1122026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

●A172.67.179.1062026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

●A2606:4700:3032::ac43:b36a2026-06-07 → 2026-06-28 · 2 obs

● 2026-06-07 16:33:08
● 2026-06-28 13:09:14

○A2606:4700:3035::6815:50702026-06-07 → 2026-06-16 · 3 obs

● 2026-06-07 16:33:08
● 2026-06-16 12:03:08
○ 2026-06-28 13:09:14

●A2606:4700:3037::6815:50702026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-16 12:03:08
● 2026-06-28 13:09:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tools	v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools, v0n3.nic.tools...	12 records
studyflow.tools	harvey.ns.cloudflare.com, rita.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.152

NS records: harvey.ns.cloudflare.com, rita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyflow.tools (unsigned zone)

⏱️ Timing

Total: 426ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.106, 104.21.80.112`
AAAA	2	`2606:4700:3032::ac43:b36a, 2606:4700:3037::6815:5070`
NS	2	`harvey.ns.cloudflare.com, rita.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 10), route3.mx.cloudflare.net (pri: 19)...`
TXT	3	`google-site-verification=ac2_zizJiOKmZ8k, v=spf1 include:_spf.mx.cloudflare.net ~a...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harvey.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studyflow.tools resolves to four IP addresses: 104.21.80.112, 172.67.179.106, 2606:4700:3032::ac43:b36a and 2606:4700:3037::6815:5070.

Among the host names that share IP numbers with studyflow.tools are innoverp.com, brainworksmarketing.ca, timnath.org and two others.

Name Servers

studyflow.tools uses two name servers for its delegation: harvey.ns.cloudflare.com and rita.ns.cloudflare.com.

studyflow.tools has the same name server delegation as a number of other domains, such as pacicc.com, dark-matter-market-url.com, harborviewcraft.pro and two more.

studyflow.tools has at least partial name server overlap with other domains, such as racetime.gr, dapproid.com, restaurantlatruffe.com and two others.

It is common to find these name servers paired with the name servers laylah.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname harvey.ns.cloudflare.com directs to 108.162.195.152, 162.159.44.152 and 172.64.35.152 along with 3 other IP addresses.

Hostname rita.ns.cloudflare.com directs to 108.162.192.140, 172.64.32.140 and 173.245.58.140 along with 3 other IP addresses.

Mail Servers

studyflow.tools has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

studyflow.tools shares at least some of its mail servers with other domains — for example noorderpoort.com, zklnaradi.cz, ouvlantexconsult.com and two more.

Host names resolving to 6 IP numbers:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.