`researchmanagers.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`
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=1771291435

Subdomains

nullmx.researchmanagers.com

Same first word

researchmanagers.com

DNS History

3 records (3 active, 0 former)

●NSns.buydomains.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 11:52:36
● 2026-03-23 19:40:58

●NSthis-domain-for-sale.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 11:52:36
● 2026-03-23 19:40:58

●A207.148.248.1432015-08-16 → 2026-03-23 · 2 obs

● 2015-08-16 22:11:06
● 2026-03-23 19:40:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
researchmanagers.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 researchmanagers.com (unsigned zone)

⏱️ Timing

Total: 181ms | 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

The parent of nullmx.researchmanagers.com is researchmanagers.com.

IP Addresses

researchmanagers.com points to an IP address: 207.148.248.143.

other host names include forcomedians.com, livelovedesign.com, babygorillas.com, essentialattire.com and redbussecondarydns.ipcaa.com; they share IP numbers with researchmanagers.com.

Name Servers

Two name servers this-domain-for-sale.com and ns.buydomains.com handle the delegation for researchmanagers.com.

researchmanagers.com shares the same name server setup as other domains, for instance jdrecruiters.com, malinux.com, eliteusers.com, collectionsupport.com and atlanticinspections.com.

Host names with 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

researchmanagers.com - robtex.com