ws.cmp.optimizely.com - dns.ninja

`ws.cmp.optimizely.com`

CNAME	`ws-aws.cmp.optimizely.com`
CNAME	`d32zkcsfxac5e7.cloudfront.net`
DNSSEC	⚠️ Not signed
A	2600:9000:27a7:0:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:e00:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:6800:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:6c00:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:7000:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:7600:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:8000:1b:4141:13c0:93a1^{🇺🇸 Amazon2600:9000:27a7::/48}
A	2600:9000:27a7:ba00:1b: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	2606:4700::6812:1eb2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1fb2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.30.178^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.31.178^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anton.ns.cloudflare.com` ⭐
NS	`ariella.ns.cloudflare.com`
TXT	`_i1owvlkdf3a7t5swcq5l44hnxqhxx8d`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.30.178, 104.18.31.178
		IPv6 hints	2606:4700::6812:1eb2, 2606:4700::6812:1fb2
SOA	`anton.ns.cloudflare.com`dns@cloudflare.com serial=2410532380

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

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DNS History

1 record (1 active, 0 former)

●CNAMEws-aws.cmp.optimizely.com2026-02-24 → 2026-07-31 · 2 obs

● 2026-02-24 06:54:42
● 2026-07-31 01:02:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optimizely.com	doug.ns.cloudflare.com, harmony.ns.cloudflare.com	12 records
cmp.optimizely.com	anton.ns.cloudflare.com, ariella.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.32

NS records: anton.ns.cloudflare.com, ariella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 276ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`ws-aws.cmp.optimizely.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

With 12 IP addresses in total, ws.cmp.optimizely.com resolves to 3.166.181.17, 3.166.181.27, 3.166.181.36 and 9 other.

Among the host names that share IP numbers with ws.cmp.optimizely.com are hotmailhelp.hatenablog.com, psti.net, hyunsan.hatenablog.com and two others.

Name Servers

The domain ws.cmp.optimizely.com is delegated to these 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.cmp.optimizely.com has at least partial name server overlap with other domains, such as jsystem.jp, inkscreen.net, fin-lab.net and two others.

ns-224.awsdns-28.com, ns-914.awsdns-50.net, ns-1350.awsdns-40.org and ns-1613.awsdns-09.co.uk all point to exactly two IP numbers each: ns-224.awsdns-28.com → 205.251.192.224 and 2600:9000:5300:e000::1; ns-914.awsdns-50.net → 205.251.195.146 and 2600:9000:5303:9200::1; ns-1350.awsdns-40.org → 205.251.197.70 and 2600:9000:5305:4600::1; ns-1613.awsdns-09.co.uk → 205.251.198.77 and 2600:9000:5306:4d00::1.