`scienceshowcase.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.scienceshowcase.com

Same first word

scienceshowcase.com

DNS History

8 records (3 active, 5 former)

●NSns.buydomains.com2026-03-18 → 2026-03-24 · 3 obs

○ 2019-03-20 04:04:52
● 2026-03-18 11:08:30
● 2026-03-24 00:51:14

○NSns1.bluehost.com2019-03-20 → 2019-03-20 · 3 obs

● 2019-03-20 04:04:52
○ 2026-03-18 11:08:30
○ 2026-03-24 00:51:14

○NSns2.bluehost.com2019-03-20 → 2019-03-20 · 3 obs

● 2019-03-20 04:04:52
○ 2026-03-18 11:08:30
○ 2026-03-24 00:51:14

●NSthis-domain-for-sale.com2026-03-18 → 2026-03-24 · 3 obs

○ 2019-03-20 04:04:52
● 2026-03-18 11:08:30
● 2026-03-24 00:51:14

○MXmail.scienceshowcase.com2019-03-20 → 2019-03-20 · 3 obs

● 2019-03-20 04:04:52
○ 2026-03-18 11:08:30
○ 2026-03-24 00:51:14

○A108.167.154.2442019-03-20 → 2019-03-20 · 4 obs

○ 2017-02-06 22:05:56
● 2019-03-20 04:04:52
○ 2026-03-18 11:08:30
○ 2026-03-24 00:51:14

●A207.148.248.1432015-11-08 → 2026-03-24 · 6 obs

○ 2015-06-17 20:19:24
● 2015-11-08 02:01:44
● 2017-02-06 22:05:56
○ 2019-03-20 04:04:52
● 2026-03-18 11:08:30
● 2026-03-24 00:51:14

○A66.151.181.492015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 20:19:24
○ 2015-11-08 02:01:44
○ 2026-03-24 00:51:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
scienceshowcase.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.4.207.204

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for scienceshowcase.com (unsigned zone)

⏱️ Timing

Total: 107ms | 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

scienceshowcase.com is the parent of nullmx.scienceshowcase.com.

IP Addresses

scienceshowcase.com points to a single IP number: 207.148.248.143.

other host names for instance freesimplerecipes.com, weit.net, www.actwholesale.com, cardlook.com and thehealthmatrix.com share IP numbers with scienceshowcase.com.

Name Servers

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

scienceshowcase.com shares the same name server setup as other domains, for example managerpro.com, industrytracking.com, thoffice.com, cyclingawards.com and reporttraffic.com.

scienceshowcase.com partially shares name servers with other domains, for instance caribbeansilver.com, governmentoversight.com and soulencounters.com.

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

Host names with a single IP number:

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

scienceshowcase.com - robtex.com