medicaltutorial.net - dns.ninja

`medicaltutorial.net`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3032::ac43:cc2c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1664^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.100^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.44^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`barbara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`barbara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`barbara.ns.cloudflare.com`
		A	108.162.192.248^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	172.64.32.248^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	173.245.58.248^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
NS	`rob.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rob.ns.cloudflare.com`
		A	108.162.193.140^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	172.64.33.140^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	173.245.59.140^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:u1912527.wl.sendgrid.net -all`
TXT	`zoho-verification=zb14399036.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.22.100, 172.67.204.44
		IPv6 hints	2606:4700:3032::ac43:cc2c, 2606:4700:3036::6815:1664
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=131, name=cloudflare-ech.com
SOA	`barbara.ns.cloudflare.com`dns@cloudflare.com serial=2411454315

`net`

	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=1786468399

Same first word

medicaltutorial.net

DNS History

14 records (8 active, 6 former)

●NSbarbara.ns.cloudflare.com2017-01-04 → 2026-08-11 · 2 obs

● 2017-01-04 15:01:30
● 2026-08-11 17:33:00

●NSrob.ns.cloudflare.com2017-01-04 → 2026-08-11 · 2 obs

● 2017-01-04 15:01:30
● 2026-08-11 17:33:00

●MXmx.zoho.com2017-01-04 → 2026-08-11 · 2 obs

● 2017-01-04 15:01:30
● 2026-08-11 17:33:00

●MXmx2.zoho.com2017-01-04 → 2026-08-11 · 2 obs

● 2017-01-04 15:01:30
● 2026-08-11 17:33:00

●A104.21.22.1002026-02-25 → 2026-08-11 · 3 obs

○ 2017-01-04 15:01:30
● 2026-02-25 10:55:24
● 2026-08-11 17:33:00

○A104.31.74.872017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 15:01:30
○ 2026-02-25 10:55:24
○ 2026-08-11 17:33:00

○A104.31.75.872017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 15:01:30
○ 2026-02-25 10:55:24
○ 2026-08-11 17:33:00

●A172.67.204.442026-02-25 → 2026-08-11 · 3 obs

○ 2017-01-04 15:01:30
● 2026-02-25 10:55:24
● 2026-08-11 17:33:00

○A2400:cb00:2048:1::681f:4a572017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 15:01:30
○ 2026-02-25 10:55:24
○ 2026-08-11 17:33:00

○A2400:cb00:2048:1::681f:4b572017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 15:01:30
○ 2026-02-25 10:55:24
○ 2026-08-11 17:33:00

○A2606:4700:3031::6815:16642026-02-25 → 2026-06-17 · 5 obs

○ 2017-01-04 15:01:30
● 2026-02-25 10:55:24
● 2026-06-17 10:36:48
○ 2026-08-11 17:32:58
○ 2026-08-11 17:33:00

●A2606:4700:3032::ac43:cc2c2026-08-11 → 2026-08-11 · 3 obs

○ 2026-06-17 10:36:48
● 2026-08-11 17:32:58
● 2026-08-11 17:33:00

○A2606:4700:3035::ac43:cc2c2026-02-25 → 2026-06-17 · 5 obs

○ 2017-01-04 15:01:30
● 2026-02-25 10:55:24
● 2026-06-17 10:36:48
○ 2026-08-11 17:32:58
○ 2026-08-11 17:33:00

●A2606:4700:3036::6815:16642026-08-11 → 2026-08-11 · 3 obs

○ 2026-06-17 10:36:48
● 2026-08-11 17:32:58
● 2026-08-11 17:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...	-
medicaltutorial.net	rob.ns.cloudflare.com, barbara.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.140

NS records: rob.ns.cloudflare.com, barbara.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1689ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.22.100, 172.67.204.44`
AAAA	2	`2606:4700:3036::6815:1664, 2606:4700:3032::ac43:cc2c`
NS	2	`barbara.ns.cloudflare.com, rob.ns.cloudflare.com`
MX	2	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)`
TXT	2	`v=spf1 include:u1912527.wl.sendgrid.net , zoho-verification=zb14399036.zmverify.zo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`barbara.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

medicaltutorial.net directs to four IP numbers, which are 104.21.22.100, 172.67.204.44, 2606:4700:3032::ac43:cc2c and 2606:4700:3036::6815:1664.

Two other host names, along with b644754.com, go88game.dev and www.apamo.net, also share IP numbers with medicaltutorial.net.

Name Servers

medicaltutorial.net is delegated to two name servers: barbara.ns.cloudflare.com and rob.ns.cloudflare.com.

medicaltutorial.net shares its NS records with other domains, for example allegiancemed.com, bisonfund.org, tupelolife.com and two others.

At least some of medicaltutorial.net's name servers are shared with other domains, for example octopus.com.co, rdc.pl, elasticfactor.xyz and two more.

These name servers tend to be deployed in combination with the name servers rodney.ns.cloudflare.com and trevor.ns.cloudflare.com.

DNS names with 6 IP addresses:

barbara.ns.cloudflare.com resolves to 108.162.192.248, 172.64.32.248, 173.245.58.248 and 3 other IP addresses.

rob.ns.cloudflare.com resolves to 108.162.193.140, 172.64.33.140, 173.245.59.140 and 3 other IP addresses.

Mail Servers

medicaltutorial.net is served by two mail servers, mx2.zoho.com and mx.zoho.com.

Among the domains sharing a mail server setup with medicaltutorial.net are saltriver.co.nz, ghost-investigators.com, cyberteacherassociation.org and two others.

There is at least a partial MX overlap between medicaltutorial.net and other domains, including theasialive.com, camomiles.org, tamil.bid and two others.

These mail servers often co-occur with the mail servers mx3.zoho.com.

Each of mx2.zoho.com and mx.zoho.com has one IP address: mx2.zoho.com uses 136.143.183.44 and mx.zoho.com uses 204.141.43.44.