`expertfirewall.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`

`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=1778586831

Subdomains

ns1.expertfirewall.com

Same first word

expertfirewall.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2026-04-28 → 2026-05-12 · 2 obs

● 2026-04-28 09:32:26
● 2026-05-12 12:23:12

●NSthis-domain-for-sale.com2026-04-28 → 2026-05-12 · 2 obs

● 2026-04-28 09:32:26
● 2026-05-12 12:23:12

●A207.148.248.1432026-04-28 → 2026-05-12 · 3 obs

○ 2017-05-21 17:35:56
● 2026-04-28 09:32:26
● 2026-05-12 12:23:12

○A74.220.199.62017-05-21 → 2017-05-21 · 3 obs

● 2017-05-21 17:35:56
○ 2026-04-28 09:32:26
○ 2026-05-12 12:23:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
expertfirewall.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 expertfirewall.com (unsigned zone)

⏱️ Timing

Total: 4256ms | 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

expertfirewall.com is the parent of ns1.expertfirewall.com.

IP Addresses

expertfirewall.com resolves to a single IP: 207.148.248.143.

Other host names, for instance rejuvenationzone.com, continentalrelocation.com, goddiscovery.com, hostmaster.espacioszen.com and wingdings.org share IP numbers with expertfirewall.com.

Name Servers

expertfirewall.com has two name servers: this-domain-for-sale.com and ns.buydomains.com.

expertfirewall.com shares the same name server setup as other domains, for example properformance.org, catholictroops.com, turbohut.com, onlinepharmacology.com and ozwire.com.

expertfirewall.com at least partially shares name servers with other domains; for example trendisle.com and perth2011.com; fairydream.net and yolt.net.

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

Host names with one IP number:

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

ns.buydomains.com points to: 52.20.26.87

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

expertfirewall.com - robtex.com