🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`optimizedtraininglab.com`

DNSSEC	⚠️ Not signed
NS	`ns-cloud-c1.googledomains.com` ⚠️ Not in zone NS records
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com` ⚠️ Not in zone NS records
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`ns-cloud-c3.googledomains.com` ⚠️ Not in zone NS records
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c3.googledomains.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com` ⚠️ Not in zone NS records
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`

`com`

	DNSSEC	⚠️ Not signed
	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=1794408666

Same first word

optimizedtraininglab.com

Previous names

Next names

DNS History

13 records (4 active, 9 former)

●NSns-cloud-c1.googledomains.com2016-01-22 → 2026-11-11 · 2 obs

● 2016-01-22 15:25:40
● 2026-11-11 15:04:42

●NSns-cloud-c2.googledomains.com2016-01-22 → 2026-11-11 · 2 obs

● 2016-01-22 15:25:40
● 2026-11-11 15:04:42

●NSns-cloud-c3.googledomains.com2016-01-22 → 2026-11-11 · 2 obs

● 2016-01-22 15:25:40
● 2026-11-11 15:04:42

●NSns-cloud-c4.googledomains.com2016-01-22 → 2026-11-11 · 2 obs

● 2016-01-22 15:25:40
● 2026-11-11 15:04:42

○A198.49.23.1442026-08-30 → 2026-08-30 · 4 obs

○ 2017-12-19 23:18:10
● 2026-08-30 09:13:24
○ 2026-11-11 14:53:52
○ 2026-11-11 15:04:42

○A2001:4860:4802:32::152016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

○A2001:4860:4802:34::152016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

○A2001:4860:4802:36::152016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

○A2001:4860:4802:38::152016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

○A216.239.32.212016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

○A216.239.34.212016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

○A216.239.36.212016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

○A216.239.38.212016-01-22 → 2017-12-19 · 4 obs

● 2016-01-22 15:25:40
● 2017-12-19 23:18:10
○ 2026-08-30 09:13:24
○ 2026-11-11 15:04:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...	-
optimizedtraininglab.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.38.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimizedtraininglab.com (unsigned zone)

⏱️ Timing

Total: 548ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

Name Servers

Four name servers handle the delegation for optimizedtraininglab.com: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

There is at least partial name server overlap between optimizedtraininglab.com and other domains — idspirits.com, soma420.com, aymama.net and two more among them.

All four hostnames — ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-c1.googledomains.com to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com to 216.239.38.108 and 2001:4860:4802:38::6c.

optimizedtraininglab.com - robtex.com