`google-website-optimizer.net`

DNSSEC	⚠️ Not signed
NS	`ns1.googledomains.com` ⭐
		A	2001:4860:4802:32::63^{🇺🇸 Google2001:4860::/32}
			PTR	`ns1.googledomains.com`
		A	216.239.32.99^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns1.googledomains.com`
NS	`ns2.googledomains.com`
		A	2001:4860:4802:34::63^{🇺🇸 Google2001:4860::/32}
			PTR	`ns2.googledomains.com`
		A	216.239.34.99^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns2.googledomains.com`
NS	`ns3.googledomains.com`
		A	2001:4860:4802:36::63^{🇺🇸 Google2001:4860::/32}
			PTR	`ns3.googledomains.com`
		A	216.239.36.99^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns3.googledomains.com`
NS	`ns4.googledomains.com`
		A	2001:4860:4802:38::63^{🇺🇸 Google2001:4860::/32}
			PTR	`ns4.googledomains.com`
		A	216.239.38.99^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns4.googledomains.com`
TXT	`v=spf1 -all`
SOA	`ns1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`net`

	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=1776820107

Same first word

google-website-optimizer.net

google-website-optimizer.com

DNS History

4 records (4 active, 0 former)

●NSns1.googledomains.com2016-02-08 → 2026-04-22 · 2 obs

● 2016-02-08 03:04:30
● 2026-04-22 01:21:50

●NSns2.googledomains.com2016-02-08 → 2026-04-22 · 2 obs

● 2016-02-08 03:04:30
● 2026-04-22 01:21:50

●NSns3.googledomains.com2016-02-08 → 2026-04-22 · 2 obs

● 2016-02-08 03:04:30
● 2026-04-22 01:21:50

●NSns4.googledomains.com2016-02-08 → 2026-04-22 · 2 obs

● 2016-02-08 03:04:30
● 2026-04-22 01:21:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
google-website-optimizer.net	ns1.googledomains.com, ns2.googledomains.com, ns3.googledomains.com, ns4.googledomains.com	-

✅ Authoritative Response

Server:216.239.36.99

NS records: ns1.googledomains.com, ns2.googledomains.com, ns3.googledomains.com, ns4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for google-website-optimizer.net (unsigned zone)

⏱️ Timing

Total: 1161ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns3.googledomains.com, ns4.googledomains.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.googledomains.com cloud-dns-hostmast`

Analysis

Name Servers

google-website-optimizer.net is delegated to four name servers: ns1.googledomains.com, ns2.googledomains.com, ns3.googledomains.com and ns4.googledomains.com.

google-website-optimizer.net at least partially shares name servers with other domains, including googlehome.org, googlepolicies.com, googlegroups.info, sustainability.google and wokrspace.com.

Hosts with two IP numbers:

Host ns1.googledomains.com points to 2001:4860:4802:32::63 and 216.239.32.99

Host ns2.googledomains.com points to 2001:4860:4802:34::63 and 216.239.34.99

Host ns3.googledomains.com points to 2001:4860:4802:36::63 and 216.239.36.99

Host ns4.googledomains.com points to 2001:4860:4802:38::63 and 216.239.38.99

google-website-optimizer.net - robtex.com