`responsibleoptimism.com`

DNSSEC	⚠️ Not signed
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=1784329312

Same first word

responsibleoptimism.com

DNS History

5 records (2 active, 3 former)

○NS208.91.197.912018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 10:36:50
○ 2026-07-02 14:18:06
○ 2026-07-17 23:27:46

●NSns.buydomains.com2026-07-02 → 2026-07-17 · 3 obs

○ 2018-01-30 10:36:50
● 2026-07-02 14:18:06
● 2026-07-17 23:27:46

●NSthis-domain-for-sale.com2026-07-02 → 2026-07-17 · 3 obs

○ 2018-01-30 10:36:50
● 2026-07-02 14:18:06
● 2026-07-17 23:27:46

○A207.148.248.1432026-07-02 → 2026-07-02 · 4 obs

○ 2018-01-30 10:36:50
● 2026-07-02 14:18:06
○ 2026-07-17 06:28:22
○ 2026-07-17 23:27:46

○A208.91.197.912018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 10:36:50
○ 2026-07-02 14:18:06
○ 2026-07-17 23:27:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net...	-
responsibleoptimism.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 responsibleoptimism.com (unsigned zone)

⏱️ Timing

Total: 3272ms | 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

Name Servers

Two name servers handle the delegation for responsibleoptimism.com: this-domain-for-sale.com and ns.buydomains.com.

The name server configuration of responsibleoptimism.com is shared with other domains, for instance ssql.org, diseasescreening.com, smartreadings.com and two others.

responsibleoptimism.com is at least partially co-delegated on name servers with other domains, such as rhodesholidays.com.

this-domain-for-sale.com directs to 52.20.26.87, as does ns.buydomains.com — both hostnames resolve to that one IP address.

this-domain-for-sale.com along with ns.buydomains.com each resolve to 52.20.26.87 IP addresses.

responsibleoptimism.com - robtex.com