`cdn-a-vcom.optimizely.com`

DNSSEC	⚠️ Not signed
A	2606:4700:440a::ac40:9a04^{🇺🇸 Cloudflare2606:4700:440a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2a06:98c1:3103::6812:21fc^{🇺🇸 Cloudflare2a06:98c1:3103::/48} ✓ In HTTPS hints
A	104.18.33.252^{Cloudflare104.18.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.154.4^{🇺🇸 Cloudflare172.64.154.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`erin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c071^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`erin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2071^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`erin.ns.cloudflare.com`
		A	108.162.192.113^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	172.64.32.113^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	173.245.58.113^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
NS	`lee.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.33.252, 172.64.154.4
		IPv6 hints	2606:4700:440a::ac40:9a04, 2a06:98c1:3103::6812:21fc
SOA	`erin.ns.cloudflare.com`dns@cloudflare.com serial=2402027998

`optimizely.com`

	DNSSEC	⚠️ Not signed
	A	217.114.94.2^{🇸🇪 EPISERVER_AS217.114.94.0/24}
	NS	`doug.ns.cloudflare.com` ⭐
	NS	`harmony.ns.cloudflare.com`
	MX	`de-smtp-inbound-1.mimecast.com` ⭐
	MX	`de-smtp-inbound-2.mimecast.com`⁽²⁰⁾
	TXT	`00D4J0000002msD=1TBPz00000000hZ`
	TXT	`8x3658gpctg4h1vbnzmm2432bxsfxcz0`
	TXT	`Demonstration of domain control for DigiCert order #00399883. Please send the...`
	TXT	`Digicert Order # 00498813. Optimizely contact: Dogan Ugurlu <dogan@optimizel...`
	TXT	`FMTFZVQRM`
	TXT	`MS=ms12641694`
	TXT	`MS=ms74851995`
	TXT	`Verification for Edgecast SSL through Digicert. Digicert Order # 00351809. Ed...`
	TXT	`Verification for the SSL cert for help.optimizely.com Digicert Order # 004356...`
	TXT	`Verification for the SSL for blog.optimizely.com. Digicert Order # 00406293. ...`
	TXT	`Verification for the SSL for maven.optimizely.com. Digicert Order # 00584621...`
	TXT	`Verification for the SSL for www.optimizely.com. Digicert Order # 00502638. O...`
	TXT	`atlassian-domain-verification=fVxueGq1T9CLx1FmNDg7+//C3Q8kRlgPyJ92oiCabOlE0F...`
	TXT	`_globalsign-domain-verification=f-B_7ErtvSe_2e1SkhSsTab6DQA-AVd2vcvY3gqskQ`
	TXT	`_globalsign-domain-verification=xACDE3CJMcS0Ud2e9XTDQ7O7axmXzPg8Mp9rDVIgaT`
	TXT	`adobe-idp-site-verification=edbef1f3fcf34f3db2121d4b6aa25e37b75e61879e526da20...`
	TXT	`amazonses:xxLSLODJvdUPkNOdqLqR2X5AnhJzIWBvgvVvH5XYwsY=`
	TXT	`anthropic-domain-verification-4gkavj=TJnFfngBQ8OlXRrgx0BEn6Jg8`
	TXT	`apple-domain-verification=9Mq9EOa61FT430k8`
	TXT	`apple-domain-verification=Q7KwgmChGjUIkAjJT8Su-e81y48GoIDKdrWJKZCflGI`
	TXT	`browserstack-domain-verification=1ce32231-8d2e-47ff-a13f-b3313f9466b3`
	TXT	`bugcrowd-verification=976ed661be12db673bc241ab9adedd78`
	TXT	`carta-domain-verification-j5c0wv=PVHGuxCt3hpJ6mlHJnunPYJlm`
	TXT	`cdn-pci.optimizely.com 8x3658gpctg4h1vbnzmm2432bxsfxcz0`
	TXT	`cursor-domain-verification-t5qp01=phvHwGecfsDxZ5DGLaUpqt9QT`
	TXT	`docker-verification=06453662-1054-405b-b2ee-f2d9eeb6d443`
	TXT	`docker-verification=11bd769c-c17a-405b-9a6d-dad70ad9e237`
	TXT	`docker-verification=4463daac-0d0c-4db8-ba57-eda20ab9f85f`
	TXT	`docker-verification=4f9e8898-2616-42e6-8622-0258237a99fd`
	TXT	`docker-verification=81db037f-4d8d-4b97-8480-45e23568bad7`
	TXT	`docker-verification=b94f46f3-6bae-44db-8c8e-ee1ce8d49b4b`
	TXT	`docker-verification=c49faaa6-b68f-4a4a-9695-97144c0ec13d`
	TXT	`docker-verification=eba70851-4749-43b1-a985-f7f5d39cd100`
	TXT	`docusign=5ef03274-ba7e-4497-b1c8-68822293b6df`
	TXT	`docusign=78f5a0dc-5599-4771-939a-7479d9f19a15`
	TXT	`dropbox-domain-verification=1gn35nocfdjx`
	TXT	`facebook-domain-verification=wley07odaemi4l7vay725u95yq4g07`
	TXT	`figma-domain-verification=1912c435587480ca0caf3a2a631b9a603d1924f3b3d08d196d4...`
	TXT	`gitkraken-domain-verification=428606b7bda6111075c267457625b3dc0c0efb46f5498e1...`
	TXT	`google-site-verification=3p_UqtkCzX5Qgaf4Qa8vCVOADcQxlaimwxDIPDPU3J4`
	TXT	`google-site-verification=4JvIJnZJei_AHvqRmTRfA0DoBo9VA96bgQSsqH0Impw`
	TXT	`google-site-verification=5I-ImxYUlKGA58rILw7HPg4bhErsy6qZig37I-DQTG4`
	TXT	`google-site-verification=F9cHkOOFB7B48BIiVW5OjoWxz8olRXaP2JefPKVPYv4`
	TXT	`google-site-verification=HPlj5QbZTQcYZ7ZrWKvVw6TGQ6Js8mjkP-lRHU272aY`
	TXT	`google-site-verification=I398ijOehdDlmeyNnoTWkurrboteERLDPcsh0lTE5_g`
	TXT	`google-site-verification=M2p2oNOfIy17Ci7kj8vS9RH4YKCf6lfxyH4aa-pro_E`
	TXT	`google-site-verification=MnJ3tcQo7PaOcyYyN73AjK83tEDmOOYoV8SCT2U6oZE`
	TXT	`google-site-verification=QIwh-a1egznd9cJo_qy_IC1E2qkyZCCxGPmyKMTQdQo`
	TXT	`google-site-verification=RGGeHfceOB0_bznjJqtJJjVfjtUE3ZR2KpgzRfCcH90`
	TXT	`google-site-verification=RNDBwtT0w-dC7jgY2h4a785AmbqEXI7epedh-8cCg1g`
	TXT	`google-site-verification=YTf8W8ct20t0_Pk4CWBP3WIlzYoa-AbATixOVOSX1So`
	TXT	`google-site-verification=awCCHxysSWlId2pJybFVzs-Z_YoSd2tOhGlbnu1NWsk`
	TXT	`google-site-verification=bmI8Jpu2KjE37aLb4usDSXAIVPd7ueI6gUeQpAFtjXA`
	TXT	`google-site-verification=fT1I_jd2XGik8XySrXwOdkUFLVt2FqmiIoVjWgkuPU8`
	TXT	`google-site-verification=hAhAgheovxOO3XfPfburDkCSlbH7vMMnkySYj8kdFj8`
	TXT	`google-site-verification=hY82UoEGpukg4bWtEBMnoEDu4U_kFECFAI61SyxjKek`
	TXT	`google-site-verification=m6s7sFYopEJQ9Be_DjLt4DFj88Q8sYnsVnA149u6rwc`
	TXT	`google-site-verification=rdgHG3OphS2vyHzppjAgA_u--2ji3VeA81Xk4CUb5Kw`
	TXT	`hcp-domain-verification=2e64a27c64e94e6e763e934ce2b1a5574d32e0493348013cfa122...`
	TXT	`jetbrains-domain-verification=7qb4k14glpb935e05fm71x4w8`
	TXT	`k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEp2HXojOuMp8W2mYAQWb4SCkK/OCr...`
	TXT	`loaderio-69745689fd1dbf2e7a4fef37b749c433`
	TXT	`loaderio=9f2321067d0a5ed2165da78a078a2125`
	TXT	`mixpanel-domain-verify=400a27dd-7cc3-468a-8564-e4f52d40c058`
	TXT	`mongodb-site-verification=9UVwoclVFO1wQoSS1RiFxUMm8F2d9tUj`
	TXT	`openai-domain-verification=dv-At5TJCxtaR4p3AcFNaOZnDkn`
	TXT	`protonmail-verification=2c10e0613f5e323cafcac05b050c42a119f7c0c6`
	TXT	`segment-site-verification=AaQwxphohytWn6ITgojBF75WGyY6FTle`
	TXT	`teams.optimizely.com dmb9xl3d5frmkq48vddtsf6cy73jg48c`
	TXT	`tiktok-developers-site-verification=ByD4LcSV0qZsix2Klx0Nc7RAXij2HDSZ`
	TXT	`v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all`
	TXT	`yahoo-verification-key=rqHgBmOodEcddj/DjNqpnG8i+HAdLJTUNNmf/ewF0oU=`
	TXT	`zapier-domain-verification-challenge=ec9e02b0-2df0-4698-b412-b58a2e23fa8b`
	SOA	`doug.ns.cloudflare.com`dns@cloudflare.com serial=2402344283

WOT: SAFE (79/100)
rank #3374 globally
rank #1750 in the tld
WOT: SAFE (79/100)
📈 Tranco rank: #651

Optimizely

Optimizely is a marketing technology platform that helps businesses create, test, and personalize digital experiences. Founded in 1994 and headquartered in New York with approximately 1,300-1,500 employees globally, the company provides AI-powered tools for accelerating marketing operations.

Products & Services

Content Orchestration - AI-assisted content planning, creation, and publishing
Experience Optimization - Experimentation, personalization, and analytics
Commerce - E-commerce optimization including product search and recommendations
Opal AI - AI agent system for marketing automation

The company has grown through acquisitions including Episerver, Idio, Optivo, Insite Software, Zaius, and Welcome Software. Major customers include Salesforce, Nike, Zoom, Shell, and Dolby.

Technical Infrastructure

Hosting: Primary IP 217.114.94.2 (Sweden, EPISERVER_AS)
DNS: Cloudflare (doug.ns.cloudflare.com, harmony.ns.cloudflare.com)
Mail: Mimecast Germany (de-smtp-inbound-1/2.mimecast.com)
Security: DNSSEC validated
Ranking: Tranco #635 globally

DNS History

13 records (6 active, 7 former)

○NSa1-94.akam.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:55:58
○ 2026-02-23 20:31:12
○ 2026-04-25 09:58:04

○NSa10-67.akam.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:55:58
○ 2026-02-23 20:31:12
○ 2026-04-25 09:58:04

○NSa11-64.akam.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:55:58
○ 2026-02-23 20:31:12
○ 2026-04-25 09:58:04

○NSa2-65.akam.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:55:58
○ 2026-02-23 20:31:12
○ 2026-04-25 09:58:04

○NSa22-66.akam.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:55:58
○ 2026-02-23 20:31:12
○ 2026-04-25 09:58:04

○NSa3-67.akam.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:55:58
○ 2026-02-23 20:31:12
○ 2026-04-25 09:58:04

●NSerin.ns.cloudflare.com2026-02-23 → 2026-04-25 · 3 obs

○ 2016-12-28 19:55:58
● 2026-02-23 20:31:12
● 2026-04-25 09:58:04

●NSlee.ns.cloudflare.com2026-02-23 → 2026-04-25 · 3 obs

○ 2016-12-28 19:55:58
● 2026-02-23 20:31:12
● 2026-04-25 09:58:04

●A104.18.33.2522026-02-23 → 2026-04-25 · 3 obs

○ 2016-12-28 19:55:58
● 2026-02-23 20:31:12
● 2026-04-25 09:58:04

○A104.71.11.1472016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 19:55:58
○ 2026-02-23 20:31:12
○ 2026-04-25 09:58:04

●A172.64.154.42026-02-23 → 2026-04-25 · 3 obs

○ 2016-12-28 19:55:58
● 2026-02-23 20:31:12
● 2026-04-25 09:58:04

●A2606:4700:440a::ac40:9a042026-02-23 → 2026-04-25 · 3 obs

○ 2016-12-28 19:55:58
● 2026-02-23 20:31:12
● 2026-04-25 09:58:04

●A2a06:98c1:3103::6812:21fc2026-02-23 → 2026-04-25 · 3 obs

○ 2016-12-28 19:55:58
● 2026-02-23 20:31:12
● 2026-04-25 09:58:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
optimizely.com	doug.ns.cloudflare.com, harmony.ns.cloudflare.com	12 records
cdn-a-vcom.optimizely.com	erin.ns.cloudflare.com, lee.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.113

NS records: erin.ns.cloudflare.com, lee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdn-a-vcom.optimizely.com (unsigned zone)

⏱️ Timing

Total: 467ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.154.4, 104.18.33.252`
AAAA	2	`2606:4700:440a::ac40:9a04, 2a06:98c1:3103::6812:21fc`
NS	2	`erin.ns.cloudflare.com, lee.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`erin.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cdn-a-vcom.optimizely.com maps to four IP numbers: 2606:4700:440a::ac40:9a04, 2a06:98c1:3103::6812:21fc, 104.18.33.252 and 172.64.154.4.

Other host names such as admin.backgroundreport.com, www.cool-by-carrier.com.ee, landmarkpartners.com, activationcenter.net and www.loyaltypartner-jobs.com share IPs with cdn-a-vcom.optimizely.com.

Name Servers

Two name servers erin.ns.cloudflare.com and lee.ns.cloudflare.com handle the delegation for cdn-a-vcom.optimizely.com.

cdn-a-vcom.optimizely.com shares the same name server setup as other domains, for example serendibleisure.com, danielburtenshaw.com, aci-medical.com, bridgelane.com.au and resultsbydesign.com.

cdn-a-vcom.optimizely.com at least partially shares name servers with other domains, for example 155.su, atomictaekwondo.com, cblpath.com, agenticins.com and pienarbikeshop.com.

These name servers are often used together with leo.ns.cloudflare.com and jack.ns.cloudflare.com.

Host names with six IP numbers:

erin.ns.cloudflare.com points to 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113.

lee.ns.cloudflare.com points to 2606:4700:58::adf5:3b81, 2803:f800:50::6ca2:c181, 2a06:98c1:50::ac40:2181, 108.162.193.129, 172.64.33.129 and 173.245.59.129.

cdn-a-vcom.optimizely.com - robtex.com

cdn-a-vcom.optimizely.com

optimizely.com

Optimizely

Products & Services

Technical Infrastructure

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`cdn-a-vcom.optimizely.com`

`optimizely.com`