`mathematicalresearch.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

Same first word

mathematicalresearch.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2026-02-28 → 2026-03-24 · 2 obs

● 2026-02-28 06:18:30
● 2026-03-24 01:33:54

●NSthis-domain-for-sale.com2026-02-28 → 2026-03-24 · 2 obs

● 2026-02-28 06:18:30
● 2026-03-24 01:33:54

●A207.148.248.1432015-11-12 → 2026-03-24 · 3 obs

○ 2015-07-08 23:26:08
● 2015-11-12 05:13:40
● 2026-03-24 01:33:54

○A66.151.181.492015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 23:26:08
○ 2015-11-12 05:13:40
○ 2026-03-24 01:33:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
mathematicalresearch.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 mathematicalresearch.com (unsigned zone)

⏱️ Timing

Total: 1973ms | 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

mathematicalresearch.com resolves to one IP number: 207.148.248.143.

other host names including mx2.graficacentral.com, thecomputer.org, invoiceeasy.com, lastrup.com and palmates.com share IP numbers with mathematicalresearch.com.

Name Servers

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

mathematicalresearch.com shares the same name server setup as other domains, for instance remixroyalty.com, mspub.com, networkstealth.com, softhits.com and fixpipes.com.

mathematicalresearch.com at least partially shares name servers with other domains, for instance cbma.org.

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 pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

mathematicalresearch.com - robtex.com