tutorialdba.com - dns.ninja

`tutorialdba.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:78^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:96f0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.120^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.240^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mitch.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mitch.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mitch.ns.cloudflare.com`
		A	108.162.193.208^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	172.64.33.208^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	173.245.59.208^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
NS	`olga.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a89^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c089^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olga.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2089^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olga.ns.cloudflare.com`
		A	108.162.192.137^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	172.64.32.137^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
		A	173.245.58.137^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olga.ns.cloudflare.com`
TXT	`google-site-verification=jkOh_z6ZRVEyL4D6wMyA4dxW87EvEGE7gqXA8_IyFEY`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.0.120, 172.67.150.240
		IPv6 hints	2606:4700:3035::6815:78, 2606:4700:3037::ac43:96f0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com
SOA	`mitch.ns.cloudflare.com`dns@cloudflare.com serial=2408968743

`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=1783746042

Same first word

tutorialdba.com

Similar names

dbatutorial.com

DNS History

18 records (6 active, 12 former)

○NSdns1.hostgator.in2017-05-25 → 2017-06-14 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-14 12:31:00
○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

○NSdns17.parkpage.foundationapi.com2026-03-24 → 2026-07-11 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

○NSdns18.parkpage.foundationapi.com2026-03-24 → 2026-07-11 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

○NSdns2.hostgator.in2017-05-25 → 2017-06-14 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-14 12:31:00
○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

○NSdns3.hostgator.in2017-05-25 → 2017-06-14 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-14 12:31:00
○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

○NSdns4.hostgator.in2017-05-25 → 2017-06-14 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-14 12:31:00
○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

●NSmitch.ns.cloudflare.com2026-05-02 → 2026-07-11 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-11 05:13:46

○NSns1.verification-hold.suspended-domain.com2026-03-24 → 2026-07-11 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

●NSolga.ns.cloudflare.com2026-05-02 → 2026-07-11 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-11 05:13:46

○MXus2.mx1.mailhostbox.com2017-05-25 → 2017-06-14 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-14 12:31:00
○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

○MXus2.mx2.mailhostbox.com2017-05-25 → 2017-06-14 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-14 12:31:00
○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

○MXus2.mx3.mailhostbox.com2017-05-25 → 2017-06-14 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-14 12:31:00
○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

●A104.21.0.1202026-05-02 → 2026-07-11 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-11 05:13:46

○A15.197.240.202026-03-24 → 2026-07-11 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-11 05:13:46

●A172.67.150.2402026-05-02 → 2026-07-11 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-11 05:13:46

○A173.193.105.2412017-05-25 → 2017-06-06 · 4 obs

● 2017-05-25 22:03:38
● 2017-06-06 15:10:06
○ 2017-06-08 00:10:20
○ 2026-07-11 05:13:46

●A2606:4700:3035::6815:782026-05-02 → 2026-07-11 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-11 05:13:46

●A2606:4700:3037::ac43:96f02026-05-02 → 2026-07-11 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-11 05:13:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
tutorialdba.com	olga.ns.cloudflare.com, mitch.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.137

NS records: olga.ns.cloudflare.com, mitch.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialdba.com (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.120, 172.67.150.240`
AAAA	2	`2606:4700:3037::ac43:96f0, 2606:4700:3035::6815:78`
NS	2	`mitch.ns.cloudflare.com, olga.ns.cloudflare.com`
TXT	1	`google-site-verification=jkOh_z6ZRVEyL4D`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mitch.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

tutorialdba.com resolves to four IP addresses: 104.21.0.120, 172.67.150.240, 2606:4700:3035::6815:78 and 2606:4700:3037::ac43:96f0.

Additional host names — 9bet.deal, thr777up.com, 2nd.tech and two others — share IP numbers with tutorialdba.com.

Name Servers

Two name servers handle the delegation for tutorialdba.com: mitch.ns.cloudflare.com and olga.ns.cloudflare.com.

tutorialdba.com shares its name server setup with other domains, including amlakmardani.com, chatfieldmarina.com, mccormickmotors.net and two others.

tutorialdba.com has at least partial name server overlap with other domains, such as cpinc.org, mtsy688.com, xiasm.com and two others.

It is common to see these name servers used together with name servers nicole.ns.cloudflare.com and cheryl.ns.cloudflare.com.

Host names with 6 IP numbers:

mitch.ns.cloudflare.com resolves to 108.162.193.208, 172.64.33.208 and 173.245.59.208 among others, with 3 other IP addresses in total.

olga.ns.cloudflare.com resolves to 108.162.192.137, 172.64.32.137 and 173.245.58.137 among others, with 3 other IP addresses in total.