`optimumforum.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

mail.optimumforum.com

DNS History

7 records (3 active, 4 former)

○NSdns1.asturian-network.ch2016-09-09 → 2017-03-23 · 4 obs

● 2016-09-09 01:37:24
● 2017-03-23 10:30:46
○ 2020-01-04 18:01:42
○ 2026-03-22 15:43:14

○NSdns2.asturian-network.ch2016-09-09 → 2017-03-23 · 4 obs

● 2016-09-09 01:37:24
● 2017-03-23 10:30:46
○ 2020-01-04 18:01:42
○ 2026-03-22 15:43:14

●NSns.buydomains.com2020-01-04 → 2026-03-22 · 3 obs

○ 2017-03-23 10:30:46
● 2020-01-04 18:01:42
● 2026-03-22 15:43:14

●NSthis-domain-for-sale.com2026-03-22 → 2026-03-22 · 2 obs

○ 2020-01-04 18:01:42
● 2026-03-22 15:43:14

○MXmail.optimumforum.com2016-09-09 → 2017-03-23 · 4 obs

● 2016-09-09 01:37:24
● 2017-03-23 10:30:46
○ 2020-01-04 18:01:42
○ 2026-03-22 15:43:14

●A207.148.248.1432020-01-04 → 2026-03-22 · 3 obs

○ 2017-03-23 10:30:46
● 2020-01-04 18:01:42
● 2026-03-22 15:43:14

○A217.16.10.22016-09-09 → 2017-03-23 · 4 obs

● 2016-09-09 01:37:24
● 2017-03-23 10:30:46
○ 2020-01-04 18:01:42
○ 2026-03-22 15:43:14

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 68ms | 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

optimumforum.com is the parent of mail.optimumforum.com.

IP Addresses

optimumforum.com resolves to one IP number: 207.148.248.143.

other host names including textilestation.com, cf.www.forexguarantee.com, elementalwoodcraft.com, aphd.net and monacans.com share IP numbers with optimumforum.com.

Name Servers

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

optimumforum.com shares the same name server setup as other domains, for instance ergolding.com, itserviced.com, architectureinnovation.com, rusticlandscape.com and rmwfarms.com.

optimumforum.com shares at least some name servers with other domains, for example icelandangling.com, gbos.net and pettraits.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 pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

optimumforum.com - robtex.com