`ndtutor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:db85^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:2ddf^{🇺🇸 Cloudflare2606:4700:3032::/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	104.21.45.223, 172.67.219.133
		IPv6	2606:4700:3030::ac43:db85, 2606:4700:3032::6815:2ddf
SOA	`jewel.ns.cloudflare.com`dns@cloudflare.com serial=2395810141

`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=1771291435

Same first word

ndtutor.com

Similar names

rdutton.com

tutornd.org

ttround.com

turndot.com

rondutt.com

DNS History

9 records (9 active, 0 former)

●NSjewel.ns.cloudflare.com2026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●NSzac.ns.cloudflare.com2026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●MXroute1.mx.cloudflare.net2026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●MXroute2.mx.cloudflare.net2026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●MXroute3.mx.cloudflare.net2026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●A104.21.45.2232026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●A172.67.219.1332026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●A2606:4700:3030::ac43:db852026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

●A2606:4700:3032::6815:2ddf2026-03-09 → 2026-03-22 · 2 obs

● 2026-03-09 04:54:30
● 2026-03-22 14:04:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.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: 290ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.219.133, 104.21.45.223`
AAAA	2	`2606:4700:3030::ac43:db85, 2606:4700:3032::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 maps to four IP numbers: 2606:4700:3030::ac43:db85, 2606:4700:3032::6815:2ddf, 104.21.45.223 and 172.67.219.133.

other host names include toponlinecasinos.co.za, jogoriogems.com, aureole.cz, www.agratechblog.co.uk and evula.org; they share IP numbers with ndtutor.com.

Name Servers

Two name servers jewel.ns.cloudflare.com and zac.ns.cloudflare.com handle the delegation for ndtutor.com.

ndtutor.com shares the same name server setup as other domains, for instance emotion-bh.com, onlygame.net, keolis-valdoise.com, cuckoo.network and blockeden.xyz.

ndtutor.com at least partially shares name servers with other domains, for instance apple27.com, videobocilviral.pages.dev, ventus-solutions.com, fermehelene.com and marcschouten.com.

These name servers are commonly used alongside kristin.ns.cloudflare.com, lars.ns.cloudflare.com and salvador.ns.cloudflare.com.

Six IP addresses per host:

jewel.ns.cloudflare.com points to 2606:4700:50::a29f:26ab, 2803:f800:50::6ca2:c2ab, 2a06:98c1:50::ac40:22ab, 108.162.194.171, 162.159.38.171 and 172.64.34.171; zac.ns.cloudflare.com points to 2606:4700:58::a29f:2cb2, 2803:f800:50::6ca2:c3b2, 2a06:98c1:50::ac40:23b2, 108.162.195.178, 162.159.44.178 and 172.64.35.178

Mail Servers

Three mail servers handle ndtutor.com: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

ndtutor.com shares at least partially some mail servers with other domains, for instance temat24.co.pl, hotelsaintcharles.fr, duskdawn.com, tupass.pw and qua.dk.

Host names with six IP numbers:

- route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

- route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

- route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

ndtutor.com - robtex.com

ndtutor.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`ndtutor.com`

`com`