`biomedicalbooks.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`
SOA	`ns.buydomains.com`bd-operations@namemedia.com 2015-10-22 #17

`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=1785244252

Subdomains

mx.biomedicalbooks.com

Same first word

biomedicalbooks.com

DNS History

7 records (3 active, 4 former)

○NSbuy.internettraffic.com2015-10-09 → 2015-10-09 · 3 obs

● 2015-10-09 04:34:10
○ 2015-12-23 02:52:20
○ 2026-07-28 13:24:02

●NSns.buydomains.com2015-12-23 → 2026-07-28 · 3 obs

○ 2015-10-09 04:34:10
● 2015-12-23 02:52:20
● 2026-07-28 13:24:02

○NSsell.internettraffic.com2015-10-09 → 2015-10-09 · 3 obs

● 2015-10-09 04:34:10
○ 2015-12-23 02:52:20
○ 2026-07-28 13:24:02

●NSthis-domain-for-sale.com2026-04-12 → 2026-07-28 · 3 obs

○ 2015-12-23 02:52:20
● 2026-04-12 09:48:58
● 2026-07-28 13:24:02

○A141.8.225.1242015-12-23 → 2016-07-27 · 5 obs

○ 2015-10-09 04:34:10
● 2015-12-23 02:52:20
● 2016-07-27 05:50:00
○ 2017-04-01 17:59:12
○ 2026-07-28 13:24:02

●A207.148.248.1432017-04-01 → 2026-07-28 · 3 obs

○ 2016-07-27 05:50:00
● 2017-04-01 17:59:12
● 2026-07-28 13:24:02

○A69.172.201.2082015-10-09 → 2015-10-09 · 3 obs

● 2015-10-09 04:34:10
○ 2015-12-23 02:52:20
○ 2026-07-28 13:24:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
biomedicalbooks.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 biomedicalbooks.com (unsigned zone)

⏱️ Timing

Total: 5239ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`
SOA	1	`ns.buydomains.com bd-operations.namemedi`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

mx.biomedicalbooks.com is delegated beneath biomedicalbooks.com.

IP Addresses

biomedicalbooks.com resolves to one IP address: 207.148.248.143.

dcgg.org, floralwear.com, dingea.com and two other host names share IP numbers with biomedicalbooks.com.

Name Servers

The NS records for biomedicalbooks.com delegate to this-domain-for-sale.com and ns.buydomains.com.

biomedicalbooks.com uses the same name servers as several other domains — among them leahsutton.com, utahhousepainting.com, pventertainment.com and two more.

biomedicalbooks.com has name servers in common with a number of other domains — cleveraccountants.com, horizonphysiotherapy.com, dswh.org and playwear.net among them.

These name servers are routinely deployed together with the name servers ns2.buydomains.com.

Each of this-domain-for-sale.com and ns.buydomains.com points to exactly one IP address: 52.20.26.87.

this-domain-for-sale.com and ns.buydomains.com each have 52.20.26.87 IP addresses.

biomedicalbooks.com - robtex.com