`installfirewall.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

installfirewall.com

DNS History

5 records (3 active, 2 former)

●NSns.buydomains.com2015-08-10 → 2026-03-23 · 2 obs

● 2015-08-10 20:00:32
● 2026-03-23 09:00:08

●NSthis-domain-for-sale.com2026-02-17 → 2026-03-23 · 3 obs

○ 2015-08-10 20:00:32
● 2026-02-17 16:08:26
● 2026-03-23 09:00:08

○A141.8.225.1242015-12-03 → 2016-07-17 · 5 obs

○ 2015-08-10 20:00:32
● 2015-12-03 23:12:02
● 2016-07-17 04:20:42
○ 2017-05-25 19:08:34
○ 2026-03-23 09:00:08

●A207.148.248.1432017-05-25 → 2026-03-23 · 13 obs

○ 2016-07-17 04:20:42
● 2017-05-25 19:08:34
● 2026-02-25 14:22:38
○ 2026-02-26 18:16:30
● 2026-02-27 03:26:48
● 2026-03-17 01:09:26
○ 2026-03-17 02:48:12
● 2026-03-17 06:29:24
● 2026-03-17 08:17:20
○ 2026-03-17 09:22:10
○ 2026-03-18 01:22:54
● 2026-03-18 12:16:20
● 2026-03-23 09:00:08

○A50.63.202.1042015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 20:00:32
○ 2015-12-03 23:12:02
○ 2026-03-23 09:00:08

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 3191ms | 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

installfirewall.com resolves to one IP number: 207.148.248.143.

Other host names, for instance cadok.com, cgi.pennycruncher.com, tonersaving.com, footballfriday.com and softswabs.com share IP numbers with installfirewall.com.

Name Servers

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

installfirewall.com uses the same name server setup as other domains, such as sorbus.net, edivet.com, collaborativeminds.com, jobadvice.org and philkenyon.com.

installfirewall.com shares name servers with other domains at least partially, for example searchadvance.com and napavalleykitchen.com.

Host names with a single IP number:

The host name this-domain-for-sale.com points to 52.20.26.87.

The host name ns.buydomains.com points to 52.20.26.87.

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

installfirewall.com - robtex.com