`studyreference.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=1774394827

Same first word

studyreference.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2026-03-01 → 2026-03-24 · 2 obs

● 2026-03-01 21:27:22
● 2026-03-24 23:51:38

●NSthis-domain-for-sale.com2026-03-01 → 2026-03-24 · 2 obs

● 2026-03-01 21:27:22
● 2026-03-24 23:51:38

●A207.148.248.1432015-11-07 → 2026-03-24 · 3 obs

○ 2015-06-28 22:47:14
● 2015-11-07 19:22:02
● 2026-03-24 23:51:38

○A66.151.181.492015-06-28 → 2015-06-28 · 4 obs

○ 2008-03-16 05:36:56
● 2015-06-28 22:47:14
○ 2015-11-07 19:22:02
○ 2026-03-24 23:51:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...	-
studyreference.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 studyreference.com (unsigned zone)

⏱️ Timing

Total: 242ms | 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

IP Addresses

studyreference.com points to a single IP address: 207.148.248.143.

Other host names such as systemstechnology.com, sassyproducts.com, hostmaster.pcer.org, greenerflight.com and hostmaster.designdrywall.com share IP numbers with studyreference.com.

Name Servers

studyreference.com is delegated to two name servers: this-domain-for-sale.com and ns.buydomains.com.

studyreference.com uses the same name server setup as other domains, including blenderninja.com, mycomeback.com, enchias.com, risksurfer.com and lastinch.com.

studyreference.com partially shares name servers with other domains, for instance roka.org, nixbu.com, trendingfactor.com and rightmobiles.com.

These name servers are commonly used alongside the name servers ns2.buydomains.com.

Host names sharing a single IP: this-domain-for-sale.com and ns.buydomains.com point to 52.20.26.87.

studyreference.com - robtex.com