ndtutor.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ndtutor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2ddf^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:db85^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.223^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.133^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jewel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jewel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jewel.ns.cloudflare.com`
		A	108.162.194.171^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
		A	162.159.38.171^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
		A	172.64.34.171^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jewel.ns.cloudflare.com`
NS	`zac.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zac.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zac.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zac.ns.cloudflare.com`
		A	108.162.195.178^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zac.ns.cloudflare.com`
		A	162.159.44.178^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zac.ns.cloudflare.com`
		A	172.64.35.178^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zac.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		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	`route1.mx.cloudflare.net`⁽⁷⁹⁾
		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	`route2.mx.cloudflare.net`⁽⁸⁵⁾
		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=F4fFAYUbjVnJ6o62vpUOt1MrNMEAIu70MUURLzyRiFA`
TXT	`v=spf1 include:_spf.mx.cloudflare.net include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.223, 172.67.219.133
		IPv6 hints	2606:4700:3034::6815:2ddf, 2606:4700:3034::ac43:db85
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOA	`jewel.ns.cloudflare.com`dns@cloudflare.com serial=2411995961

`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=1786937169

Same first word

ndtutor.com

Similar names

rdutton.com

tutornd.org

ttround.com

turndot.com

tutornd.com

rondutt.com

DNS History

11 records (9 active, 2 former)

●NSjewel.ns.cloudflare.com2026-03-09 → 2026-08-17 · 2 obs

● 2026-03-09 04:54:30
● 2026-08-17 03:56:48

●NSzac.ns.cloudflare.com2026-03-09 → 2026-08-17 · 2 obs

● 2026-03-09 04:54:30
● 2026-08-17 03:56:48

●MXroute1.mx.cloudflare.net2026-03-09 → 2026-08-17 · 2 obs

● 2026-03-09 04:54:30
● 2026-08-17 03:56:48

●MXroute2.mx.cloudflare.net2026-03-09 → 2026-08-17 · 2 obs

● 2026-03-09 04:54:30
● 2026-08-17 03:56:48

●MXroute3.mx.cloudflare.net2026-03-09 → 2026-08-17 · 2 obs

● 2026-03-09 04:54:30
● 2026-08-17 03:56:48

●A104.21.45.2232026-03-09 → 2026-08-17 · 2 obs

● 2026-03-09 04:54:30
● 2026-08-17 03:56:48

●A172.67.219.1332026-03-09 → 2026-08-17 · 2 obs

● 2026-03-09 04:54:30
● 2026-08-17 03:56:48

○A2606:4700:3030::ac43:db852026-03-09 → 2026-06-12 · 4 obs

● 2026-03-09 04:54:30
● 2026-06-12 07:45:08
○ 2026-07-08 10:48:04
○ 2026-08-17 03:56:48

○A2606:4700:3032::6815:2ddf2026-03-09 → 2026-06-12 · 4 obs

● 2026-03-09 04:54:30
● 2026-06-12 07:45:08
○ 2026-07-08 10:48:04
○ 2026-08-17 03:56:48

●A2606:4700:3034::6815:2ddf2026-07-08 → 2026-08-17 · 3 obs

○ 2026-06-12 07:45:08
● 2026-07-08 10:48:04
● 2026-08-17 03:56:48

●A2606:4700:3034::ac43:db852026-07-08 → 2026-08-17 · 3 obs

○ 2026-06-12 07:45:08
● 2026-07-08 10:48:04
● 2026-08-17 03:56:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
ndtutor.com	jewel.ns.cloudflare.com, zac.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.171

NS records: jewel.ns.cloudflare.com, zac.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ndtutor.com (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.219.133, 104.21.45.223`
AAAA	2	`2606:4700:3034::ac43:db85, 2606:4700:3034::6815:2ddf`
NS	2	`jewel.ns.cloudflare.com, zac.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 74), route1.mx.cloudflare.net (pri: 79)...`
TXT	2	`google-site-verification=F4fFAYUbjVnJ6o6, v=spf1 include:_spf.mx.cloudflare.net in`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jewel.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ndtutor.com directs to four IP numbers, which are 104.21.45.223, 172.67.219.133, 2606:4700:3034::6815:2ddf and 2606:4700:3034::ac43:db85.

www.youtubemp3.co, alleron.net, toponlinecasinos.co.za plus two other host names have IP numbers in common with ndtutor.com.

Name Servers

ndtutor.com is delegated to two name servers: jewel.ns.cloudflare.com and zac.ns.cloudflare.com.

The name server configuration of ndtutor.com is shared with other domains, for instance designplus-hotels.com, imainternational.com, sozlukifadehatti.com.tr and two others.

The name servers of ndtutor.com overlap at least partially with those of other domains — among them lostv.net, apple27.com, ventus-solutions.com and two more.

These name servers commonly appear alongside the name servers donald.ns.cloudflare.com and matt.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jewel.ns.cloudflare.com resolves to 108.162.194.171, 162.159.38.171, 172.64.34.171 and 3 other IP addresses.

zac.ns.cloudflare.com resolves to 108.162.195.178, 162.159.44.178, 172.64.35.178 and 3 other IP addresses.

Mail Servers

Mail for ndtutor.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by ndtutor.com are shared with other domains: temat24.co.pl, dukenorton.com, residentrealtytexas.com and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.