`ws-aws.cmp.optimizely.com`

CNAME	`d32zkcsfxac5e7.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:27a7:200:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:400:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:8c00:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:9c00:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:c200:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:c800:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:d400:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:f600:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	3.166.181.17^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.27^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.36^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.59^{🇺🇸 Amazon3.166.176.0/21}
NS	`ns-1350.awsdns-40.org` ⭐
		A	2600:9000:5305:4600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1350.awsdns-40.org`
		A	205.251.197.70^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1350.awsdns-40.org`
NS	`ns-1613.awsdns-09.co.uk`
		A	2600:9000:5306:4d00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1613.awsdns-09.co.uk`
		A	205.251.198.77^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1613.awsdns-09.co.uk`
NS	`ns-224.awsdns-28.com`
		A	2600:9000:5300:e000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-224.awsdns-28.com`
		A	205.251.192.224^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-224.awsdns-28.com`
NS	`ns-914.awsdns-50.net`
		A	2600:9000:5303:9200::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-914.awsdns-50.net`
		A	205.251.195.146^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-914.awsdns-50.net`
HTTPS	HTTP/2
SOA	`ns-1350.awsdns-40.org`awsdns-hostmaster@amazon.com serial=1

`cmp.optimizely.com`

	DNSSEC	⚠️ Not signed
	A	3.164.6.29^{🇺🇸 Amazon3.164.4.0/22}
	A	3.164.6.43^{🇺🇸 Amazon3.164.4.0/22}
	A	3.164.6.49^{🇺🇸 Amazon3.164.4.0/22}
	A	3.164.6.79^{🇺🇸 Amazon3.164.4.0/22}
	NS	`ns-1130.awsdns-13.org` ⭐
	NS	`ns-1774.awsdns-29.co.uk`
	NS	`ns-462.awsdns-57.com`
	NS	`ns-737.awsdns-28.net`
	TXT	`_i1owvlkdf3a7t5swcq5l44hnxqhxx8d`
	SOA	`ns-1130.awsdns-13.org`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (71/100)
⚠️ On DNS blocklist: ultimate
WOT: SAFE (79/100)

Similar names

as-wsw.de

aws-ws.net

wws-sa.com

DNS History

1 record (1 active, 0 former)

●CNAMEd32zkcsfxac5e7.cloudfront.net2026-03-18 → 2026-04-15 · 2 obs

● 2026-03-18 19:49:36
● 2026-04-15 18:53:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net...	-
optimizely.com	doug.ns.cloudflare.com, harmony.ns.cloudflare.com	12 records
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-
cmp.optimizely.com	ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net	-

✅ Authoritative Response

Server:205.251.194.225

NS records: ns-1130.awsdns-13.org, ns-1774.awsdns-29.co.uk, ns-462.awsdns-57.com, ns-737.awsdns-28.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cmp.optimizely.com (unsigned zone)

⏱️ Timing

Total: 880ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`d32zkcsfxac5e7.cloudfront.net`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (doug.ns.cloudflare.com, doug.ns.cloudflare.com, doug.ns.cloudflare.com...)

Analysis

IP Addresses

ws-aws.cmp.optimizely.com points to twelve IP numbers: 2600:9000:27a7:200:1b:4141:13c0:93a1, 2600:9000:27a7:400:1b:4141:13c0:93a1, 2600:9000:27a7:8c00:1b:4141:13c0:93a1, 2600:9000:27a7:9c00:1b:4141:13c0:93a1, 2600:9000:27a7:c200:1b:4141:13c0:93a1, 2600:9000:27a7:c800:1b:4141:13c0:93a1, 2600:9000:27a7:d400:1b:4141:13c0:93a1, 2600:9000:27a7:f600:1b:4141:13c0:93a1, 3.166.181.17, 3.166.181.27, 3.166.181.36 and 3.166.181.59.

Other host names, for instance d1i5h9cmu237rf.cloudfront.net, ds.iop.ohio.gov, ucsfliver.org, koreaskillmaster.or.kr and d2ymgp9xaxe69x.cloudfront.net share IP numbers with ws-aws.cmp.optimizely.com.

Name Servers

ws-aws.cmp.optimizely.com is delegated to four name servers: ns-224.awsdns-28.com, ns-914.awsdns-50.net, ns-1350.awsdns-40.org and ns-1613.awsdns-09.co.uk.

ws-aws.cmp.optimizely.com at least partially shares its name servers with other domains, for instance marcocorradin.com, heroic.ch, d1o4rpa73giojn.cloudfront.net, emigrant.com and onlyonline.com.au.

Host names with two IPs: ns-224.awsdns-28.com points to 2600:9000:5300:e000::1 and 205.251.192.224; ns-914.awsdns-50.net points to 2600:9000:5303:9200::1 and 205.251.195.146; ns-1350.awsdns-40.org points to 2600:9000:5305:4600::1 and 205.251.197.70; ns-1613.awsdns-09.co.uk points to 2600:9000:5306:4d00::1 and 205.251.198.77.

ws-aws.cmp.optimizely.com - robtex.com