`biographicaldata.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

biographicaldata.com

DNS History

3 records (3 active, 0 former)

●NSns.buydomains.com2026-03-06 → 2026-03-22 · 2 obs

● 2026-03-06 19:36:44
● 2026-03-22 16:31:18

●NSthis-domain-for-sale.com2026-03-06 → 2026-03-22 · 2 obs

● 2026-03-06 19:36:44
● 2026-03-22 16:31:18

●A207.148.248.1432026-03-06 → 2026-03-22 · 2 obs

● 2026-03-06 19:36:44
● 2026-03-22 16:31:18

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 236ms | 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

biographicaldata.com resolves to a single IP: 207.148.248.143.

Other host names, for instance mail.earthsellers.com, avcr.org, videotalks.com, networkprotocols.com and mallmovies.com share IP numbers with biographicaldata.com.

Name Servers

biographicaldata.com has two name servers: this-domain-for-sale.com and ns.buydomains.com.

biographicaldata.com shares the same name server setup as other domains, for example decoparty.com, artyfarm.com, cruiseshiptracker.com, easyhousehold.com and alternativaslegales.com.

biographicaldata.com partially shares name servers with other domains, for instance leadershippathways.com.

Host names with one IP number:

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

ns.buydomains.com points to: 52.20.26.87

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

biographicaldata.com - robtex.com