`constructionism.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

constructionism.com

Similar names

constructionsim.com

ismconstruction.net

DNS History

6 records (3 active, 3 former)

●NSns.buydomains.com2026-03-06 → 2026-03-23 · 2 obs

● 2026-03-06 17:22:00
● 2026-03-23 15:09:32

●NSthis-domain-for-sale.com2026-03-06 → 2026-03-23 · 2 obs

● 2026-03-06 17:22:00
● 2026-03-23 15:09:32

○MXdev.null2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 09:57:04
○ 2015-06-26 01:09:06
○ 2026-03-23 15:09:32

●A207.148.248.1432015-11-04 → 2026-03-23 · 3 obs

○ 2008-03-18 09:57:04
● 2015-11-04 20:49:56
● 2026-03-23 15:09:32

○A208.254.26.1322008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 09:57:04
○ 2015-06-26 01:09:06
○ 2026-03-23 15:09:32

○A66.151.181.492015-06-26 → 2015-06-26 · 4 obs

○ 2008-03-18 09:57:04
● 2015-06-26 01:09:06
○ 2015-11-04 20:49:56
○ 2026-03-23 15:09:32

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 3065ms | 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

constructionism.com points to an IP address: 207.148.248.143.

other host names include www.appropria.com, tidypet.com, jmwonline.com, polishmarkets.com and aubroadband.com; they share IP numbers with constructionism.com.

Name Servers

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

constructionism.com shares the same name server setup as other domains, for instance weekendtrainer.com, stylishexecutive.com, cdssystem.com, kyung.net and cordiero.com.

constructionism.com shares name servers with other domains at least partially, for example ptta.net.

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

constructionism.com - robtex.com