`buildingoption.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

dc-552fc003.buildingoption.com

DNS History

7 records (3 active, 4 former)

●NSns.buydomains.com2016-12-06 → 2026-03-24 · 3 obs

○ 2016-04-19 13:49:18
● 2016-12-06 15:15:24
● 2026-03-24 04:41:18

○NSns1.mediatemple.net2015-06-02 → 2016-04-19 · 4 obs

● 2015-06-02 03:40:48
● 2016-04-19 13:49:18
○ 2016-12-06 15:15:24
○ 2026-03-24 04:41:18

○NSns2.mediatemple.net2015-06-02 → 2016-04-19 · 4 obs

● 2015-06-02 03:40:48
● 2016-04-19 13:49:18
○ 2016-12-06 15:15:24
○ 2026-03-24 04:41:18

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

○ 2016-12-06 15:15:24
● 2026-03-24 04:41:18

○MXmail.buildingoption.com2015-06-02 → 2016-04-19 · 4 obs

● 2015-06-02 03:40:48
● 2016-04-19 13:49:18
○ 2016-12-06 15:15:24
○ 2026-03-24 04:41:18

●A207.148.248.1432016-12-06 → 2026-03-24 · 3 obs

○ 2016-04-19 13:49:18
● 2016-12-06 15:15:24
● 2026-03-24 04:41:18

○A72.47.244.1542015-06-02 → 2016-04-19 · 4 obs

● 2015-06-02 03:40:48
● 2016-04-19 13:49:18
○ 2016-12-06 15:15:24
○ 2026-03-24 04:41:18

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 1508ms | 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

buildingoption.com is the parent of dc-552fc003.buildingoption.com.

IP Addresses

buildingoption.com resolves to a single IP address: 207.148.248.143.

Other host names including riskresolved.com, linkingstudents.com, abcarchitecture.com, prti.net and metalfacade.com share IP numbers with buildingoption.com.

Name Servers

buildingoption.com's delegation uses two name servers, this-domain-for-sale.com and ns.buydomains.com.

buildingoption.com shares the same name server setup as other domains, for example bibliai.com, gurties.com, reliancehosting.com, dickinsonelectric.com and accessstrategy.com.

buildingoption.com at least partially shares name servers with other domains, for example sonianet.com, dsconstructions.com and fleetmaint.com.

These name servers are often used together with ns2.buydomains.com.

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

buildingoption.com - robtex.com