`tutorialdvds.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`

`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=1774502327

Subdomains

hostmaster.tutorialdvds.com

Same first word

tutorialdvds.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2015-05-11 → 2026-03-26 · 2 obs

● 2015-05-11 18:16:34
● 2026-03-26 05:38:54

●NSthis-domain-for-sale.com2026-03-25 → 2026-03-26 · 3 obs

○ 2015-05-11 18:16:34
● 2026-03-25 18:01:52
● 2026-03-26 05:38:54

●A207.148.248.1432015-10-10 → 2026-03-26 · 3 obs

○ 2015-05-11 18:16:34
● 2015-10-10 22:21:18
● 2026-03-26 05:38:54

○A50.63.202.1042015-05-11 → 2015-05-11 · 3 obs

● 2015-05-11 18:16:34
○ 2015-10-10 22:21:18
○ 2026-03-26 05:38:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
tutorialdvds.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialdvds.com (unsigned zone)

⏱️ Timing

Total: 2285ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

Hierarchy

tutorialdvds.com is a parent of hostmaster.tutorialdvds.com.

IP Addresses

tutorialdvds.com points to a single IP number: 207.148.248.143.

Other host names, for instance elegantdesigner.com, accuratecontacts.com, cityiran.com, essentialswap.com and comdocs.com share IP numbers with tutorialdvds.com.

Name Servers

Delegation for tutorialdvds.com rests with two name servers, this-domain-for-sale.com and ns.buydomains.com.

tutorialdvds.com shares the same name server setup as other domains, including littlebuggies.com, professionalmixers.com, nubian.net, thepapermoon.com and passionbreeze.com.

tutorialdvds.com shares name servers with other domains at least partially, for example supportstartups.com.

Host names sharing a single IP:

this-domain-for-sale.com points to 52.20.26.87

ns.buydomains.com points to 52.20.26.87

Host names that point to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com

tutorialdvds.com - robtex.com