`tutorialdba.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:78^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:96f0^{🇺🇸 Cloudflare2606:4700:3036::/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	2606:4700:3031::6815:78, 2606:4700:3036::ac43:96f0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=29, 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=1784605052

Same first word

tutorialdba.com

DNS History

20 records (6 active, 14 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
○ 2026-07-21 03:39:50

○NSdns17.parkpage.foundationapi.com2026-03-24 → 2026-07-21 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-21 03:39:50

○NSdns18.parkpage.foundationapi.com2026-03-24 → 2026-07-21 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-21 03:39:50

○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
○ 2026-07-21 03:39:50

○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
○ 2026-07-21 03:39:50

○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
○ 2026-07-21 03:39:50

●NSmitch.ns.cloudflare.com2026-05-02 → 2026-07-21 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-21 03:39:50

○NSns1.verification-hold.suspended-domain.com2026-03-24 → 2026-07-21 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-21 03:39:50

●NSolga.ns.cloudflare.com2026-05-02 → 2026-07-21 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-21 03:39:50

○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
○ 2026-07-21 03:39:50

○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
○ 2026-07-21 03:39:50

○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
○ 2026-07-21 03:39:50

●A104.21.0.1202026-05-02 → 2026-07-21 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-21 03:39:50

○A15.197.240.202026-03-24 → 2026-07-21 · 2 obs

○ 2026-03-24 22:55:00
○ 2026-07-21 03:39:50

●A172.67.150.2402026-05-02 → 2026-07-21 · 3 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
● 2026-07-21 03:39:50

○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
○ 2026-07-21 03:39:50

●A2606:4700:3031::6815:782026-07-21 → 2026-07-21 · 3 obs

○ 2026-05-02 02:53:00
● 2026-07-21 03:39:48
● 2026-07-21 03:39:50

○A2606:4700:3035::6815:782026-05-02 → 2026-05-02 · 4 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
○ 2026-07-21 03:39:48
○ 2026-07-21 03:39:50

●A2606:4700:3036::ac43:96f02026-07-21 → 2026-07-21 · 3 obs

○ 2026-05-02 02:53:00
● 2026-07-21 03:39:48
● 2026-07-21 03:39:50

○A2606:4700:3037::ac43:96f02026-05-02 → 2026-05-02 · 4 obs

○ 2026-03-24 22:55:00
● 2026-05-02 02:53:00
○ 2026-07-21 03:39:48
○ 2026-07-21 03:39:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, h.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: 473ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.240, 104.21.0.120`
AAAA	2	`2606:4700:3036::ac43:96f0, 2606:4700:3031::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 has four IP addresses: 104.21.0.120, 172.67.150.240, 2606:4700:3031::6815:78 and 2606:4700:3036::ac43:96f0.

Additional host names — 9bet.deal, thr777up.com, www.leoofficesupplies.co.uk and two others — share IP numbers with tutorialdba.com.

Name Servers

tutorialdba.com has two authoritative name servers — 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 partially shares its NS delegation with several other domains, including cpinc.org, mtsy688.com, xiasm.com and two others.

These name servers are regularly seen alongside nicole.ns.cloudflare.com and cheryl.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

mitch.ns.cloudflare.com points to 108.162.193.208, 172.64.33.208, 173.245.59.208 and 3 other IP addresses.

olga.ns.cloudflare.com points to 108.162.192.137, 172.64.32.137, 173.245.58.137 and 3 other IP addresses.

tutorialdba.com - robtex.com

tutorialdba.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`tutorialdba.com`

`com`