drstuto.com - dns.ninja

`drstuto.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c11d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:21dd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.221^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.29^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`graham.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`graham.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`graham.ns.cloudflare.com`
		A	108.162.193.171^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	172.64.33.171^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	173.245.59.171^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
NS	`june.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`june.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`june.ns.cloudflare.com`
		A	108.162.192.176^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	172.64.32.176^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
		A	173.245.58.176^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`june.ns.cloudflare.com`
MX	`mx.officite.net` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.221, 172.67.193.29
		IPv6 hints	2606:4700:3030::ac43:c11d, 2606:4700:3035::6815:21dd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOA	`graham.ns.cloudflare.com`dns@cloudflare.com serial=2411498255

`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=1786229024

Same first word

drstuto.com

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sdtutor.com

DNS History

19 records (7 active, 12 former)

○NSdns1.name-services.com2015-07-01 → 2016-06-27 · 4 obs

● 2015-07-01 21:02:24
● 2016-06-27 14:54:38
○ 2026-03-04 21:50:20
○ 2026-08-08 22:48:48

○NSdns2.name-services.com2015-07-01 → 2016-06-27 · 4 obs

● 2015-07-01 21:02:24
● 2016-06-27 14:54:38
○ 2026-03-04 21:50:20
○ 2026-08-08 22:48:48

○NSdns3.name-services.com2015-07-01 → 2016-06-27 · 4 obs

● 2015-07-01 21:02:24
● 2016-06-27 14:54:38
○ 2026-03-04 21:50:20
○ 2026-08-08 22:48:48

○NSdns4.name-services.com2015-07-01 → 2016-06-27 · 4 obs

● 2015-07-01 21:02:24
● 2016-06-27 14:54:38
○ 2026-03-04 21:50:20
○ 2026-08-08 22:48:48

○NSdns5.name-services.com2015-07-01 → 2016-06-27 · 4 obs

● 2015-07-01 21:02:24
● 2016-06-27 14:54:38
○ 2026-03-04 21:50:20
○ 2026-08-08 22:48:48

●NSgraham.ns.cloudflare.com2026-03-04 → 2026-08-08 · 3 obs

○ 2016-06-27 14:54:38
● 2026-03-04 21:50:20
● 2026-08-08 22:48:48

●NSjune.ns.cloudflare.com2026-03-04 → 2026-08-08 · 3 obs

○ 2016-06-27 14:54:38
● 2026-03-04 21:50:20
● 2026-08-08 22:48:48

●MXmx.officite.net2015-07-01 → 2026-08-08 · 2 obs

● 2015-07-01 21:02:24
● 2026-08-08 22:48:48

●A104.21.33.2212026-03-07 → 2026-08-08 · 3 obs

○ 2026-03-04 21:50:20
● 2026-03-07 05:43:10
● 2026-08-08 22:48:48

●A172.67.193.292026-03-07 → 2026-08-08 · 3 obs

○ 2026-03-04 21:50:20
● 2026-03-07 05:43:10
● 2026-08-08 22:48:48

○A188.114.96.02026-03-04 → 2026-03-04 · 4 obs

○ 2016-06-27 14:54:38
● 2026-03-04 21:50:20
○ 2026-03-07 05:43:10
○ 2026-08-08 22:48:48

○A188.114.97.02026-03-04 → 2026-03-04 · 4 obs

○ 2016-06-27 14:54:38
● 2026-03-04 21:50:20
○ 2026-03-07 05:43:10
○ 2026-08-08 22:48:48

●A2606:4700:3030::ac43:c11d2026-07-08 → 2026-08-08 · 3 obs

○ 2026-05-25 17:43:54
● 2026-07-08 05:04:28
● 2026-08-08 22:48:48

○A2606:4700:3033::6815:21dd2026-03-07 → 2026-05-25 · 5 obs

○ 2026-03-04 21:50:20
● 2026-03-07 05:43:10
● 2026-05-25 17:43:54
○ 2026-07-08 05:04:28
○ 2026-08-08 22:48:48

○A2606:4700:3034::ac43:c11d2026-03-07 → 2026-05-25 · 5 obs

○ 2026-03-04 21:50:20
● 2026-03-07 05:43:10
● 2026-05-25 17:43:54
○ 2026-07-08 05:04:28
○ 2026-08-08 22:48:48

●A2606:4700:3035::6815:21dd2026-07-08 → 2026-08-08 · 3 obs

○ 2026-05-25 17:43:54
● 2026-07-08 05:04:28
● 2026-08-08 22:48:48

○A2a06:98c1:3120::2026-03-04 → 2026-03-04 · 4 obs

○ 2016-06-27 14:54:38
● 2026-03-04 21:50:20
○ 2026-03-07 05:43:10
○ 2026-08-08 22:48:48

○A2a06:98c1:3121::2026-03-04 → 2026-03-04 · 4 obs

○ 2016-06-27 14:54:38
● 2026-03-04 21:50:20
○ 2026-03-07 05:43:10
○ 2026-08-08 22:48:48

○A98.158.198.112015-07-01 → 2016-06-27 · 4 obs

● 2015-07-01 21:02:24
● 2016-06-27 14:54:38
○ 2026-03-04 21:50:20
○ 2026-08-08 22:48:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
drstuto.com	graham.ns.cloudflare.com, june.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.171

NS records: graham.ns.cloudflare.com, june.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for drstuto.com (unsigned zone)

⏱️ Timing

Total: 223ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.193.29, 104.21.33.221`
AAAA	2	`2606:4700:3030::ac43:c11d, 2606:4700:3035::6815:21dd`
NS	2	`graham.ns.cloudflare.com, june.ns.cloudflare.com`
MX	1	`mx.officite.net (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`graham.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

drstuto.com has four IP addresses: 104.21.33.221, 172.67.193.29, 2606:4700:3030::ac43:c11d and 2606:4700:3035::6815:21dd.

Two other host names, along with wise247platform.digital, www.nnhanman.com and worker-late-forest-e569.jmassell.workers.dev, also share IP numbers with drstuto.com.

Name Servers

drstuto.com is delegated to two name servers: graham.ns.cloudflare.com and june.ns.cloudflare.com.

drstuto.com shares its NS records with other domains, for example drstlouis.com, ddsmile.com, az-ent.org and two others.

drstuto.com has at least partial name server overlap with other domains, such as lakai.com, 24net.cz, leecountybusiness.com and two others.

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

DNS names with 6 IP addresses:

graham.ns.cloudflare.com resolves to 108.162.193.171, 172.64.33.171, 173.245.59.171 and 3 other IP addresses.

june.ns.cloudflare.com resolves to 108.162.192.176, 172.64.32.176, 173.245.58.176 and 3 other IP addresses.

Mail Servers

The sole mail server for drstuto.com is mx.officite.net.

Among the domains sharing a mail server setup with drstuto.com are mosespediatricdentistry.com, drdavidcotlar.com, parkviewdentalboynecity.com and two others.

The mail servers of drstuto.com are at least partially shared with other domains, including covedentalcare.com.