`optimumseries.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

optimumseries.com

DNS History

10 records (3 active, 7 former)

○NSmotorhead.easydns.org2016-12-19 → 2017-10-05 · 4 obs

● 2016-12-19 23:06:18
● 2017-10-05 21:26:18
○ 2026-03-13 08:38:24
○ 2026-03-23 11:15:16

○NSnirvana.easydns.net2016-12-19 → 2017-10-05 · 4 obs

● 2016-12-19 23:06:18
● 2017-10-05 21:26:18
○ 2026-03-13 08:38:24
○ 2026-03-23 11:15:16

●NSns.buydomains.com2026-03-13 → 2026-03-23 · 3 obs

○ 2017-10-05 21:26:18
● 2026-03-13 08:38:24
● 2026-03-23 11:15:16

○NSrush.easydns.com2016-12-19 → 2017-10-05 · 4 obs

● 2016-12-19 23:06:18
● 2017-10-05 21:26:18
○ 2026-03-13 08:38:24
○ 2026-03-23 11:15:16

●NSthis-domain-for-sale.com2026-03-13 → 2026-03-23 · 3 obs

○ 2017-10-05 21:26:18
● 2026-03-13 08:38:24
● 2026-03-23 11:15:16

○MXmx.zoho.com2016-12-19 → 2017-10-05 · 4 obs

● 2016-12-19 23:06:18
● 2017-10-05 21:26:18
○ 2026-03-13 08:38:24
○ 2026-03-23 11:15:16

○MXmx2.zoho.com2016-12-19 → 2017-10-05 · 4 obs

● 2016-12-19 23:06:18
● 2017-10-05 21:26:18
○ 2026-03-13 08:38:24
○ 2026-03-23 11:15:16

○MXmx3.zoho.com2016-12-19 → 2017-10-05 · 4 obs

● 2016-12-19 23:06:18
● 2017-10-05 21:26:18
○ 2026-03-13 08:38:24
○ 2026-03-23 11:15:16

○A108.168.195.1872016-12-19 → 2017-10-05 · 4 obs

● 2016-12-19 23:06:18
● 2017-10-05 21:26:18
○ 2026-03-13 08:38:24
○ 2026-03-23 11:15:16

●A207.148.248.1432026-03-13 → 2026-03-23 · 3 obs

○ 2017-10-05 21:26:18
● 2026-03-13 08:38:24
● 2026-03-23 11:15:16

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 3117ms | 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

optimumseries.com points to IP number 207.148.248.143.

For instance, other host names hostmaster.rotlichtszene.com, faircontest.com, browsepod.com, friendlymatches.com and debatefactory.com share IP numbers with optimumseries.com.

Name Servers

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

optimumseries.com uses the same name server setup as other domains such as audiokaraoke.com, undergroundartists.com, puremetro.com, totallyeasy.com and harbourweb.com.

optimumseries.com shares name servers with other domains at least partially, for instance zenzone.org and iranfoods.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

optimumseries.com - robtex.com