`cdn-optimizely.com`

DNSSEC

⚠️ Not signed

`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=1778780641

⚠️ On DNS blocklist: tif

Same first word

cdn-optimizely.com

DNS History

5 records (0 active, 5 former)

○NSa.dnspod.com2026-03-28 → 2026-04-21 · 3 obs

● 2026-03-28 23:43:06
● 2026-04-21 21:55:38
○ 2026-05-14 18:06:00

○NSb.dnspod.com2026-03-28 → 2026-04-21 · 3 obs

● 2026-03-28 23:43:06
● 2026-04-21 21:55:38
○ 2026-05-14 18:06:00

○NSc.dnspod.com2026-03-28 → 2026-04-21 · 3 obs

● 2026-03-28 23:43:06
● 2026-04-21 21:55:38
○ 2026-05-14 18:06:00

○A178.212.13.1722026-03-28 → 2026-03-28 · 3 obs

● 2026-03-28 23:43:06
○ 2026-04-21 21:55:38
○ 2026-05-14 18:06:00

○A194.87.101.1762026-04-21 → 2026-04-21 · 3 obs

○ 2026-03-28 23:43:06
● 2026-04-21 21:55:38
○ 2026-05-14 18:06:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...	-

✅ Authoritative Response

Server:192.35.51.30

NS records: c.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1127ms | Queries: -

📄 Records

Type	Count	Sample Data

cdn-optimizely.com - robtex.com