🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`em.openai.com`

CNAME	`mkto-ab660168.com`
DNSSEC	⚠️ Not signed
A	104.17.70.206^{Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.71.206^{Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.72.206^{Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.73.206^{Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.17.74.206^{Cloudflare104.17.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.marketo.com` ⭐
		A	208.77.136.240^{🇺🇸 Adobe208.77.136.0/22 VA5}
NS	`ns2.mktdns.com`
		A	192.28.164.191^{🇺🇸 Adobe192.28.164.0/23}
NS	`ns3.marketo.co.uk`
		A	130.248.246.54^{🇺🇸 Adobe130.248.244.0/22 GBR2}
SOA	`ns1.marketo.com`ops@localhost 2026-05-21 #1

`openai.com`

	DNSSEC	⚠️ Not signed
	A	104.18.33.45^{Cloudflare104.18.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	A	172.64.154.211^{🇺🇸 Cloudflare172.64.154.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
	NS	`ns1-02.azure-dns.com` ⭐
	NS	`ns2-02.azure-dns.net`
	NS	`ns3-02.azure-dns.org`
	NS	`ns4-02.azure-dns.info`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`mgverify=22d53df776e7e9198e72a000c4056f5ba1624b8f2a50e3d0f4925fcea15bb5d4`
	TXT	`autodesk-domain-verification=HucZBMSc_T52XRJSn15D`
	TXT	`atlassian-domain-verification=xdHUKPdNqeX/XU/VMyGIRWfzqvhwWmcHR1DhX2J3JllvjIY...`
	TXT	`parsec-domain-verification=td_30Hu4AtBG9pDT9HTJCFK42bxN3q`
	TXT	`whimsical=a3593eda7e8523a75b01fd953cac04549faefe0c`
	TXT	`hiAwXiKX20HcM9FtFK90WRyUFLSV1w`
	TXT	`notion-domain-verification=GZFdn3LQ77QuL3XKYZT6BmKDkFfmbiAorjzDIdvLRd6`
	TXT	`onetrust-domain-verification=7acf44f596f84700bc82bfaaeb9b388c`
	TXT	`uber-domain-verification=77dfb7a6-1534-4c1b-a4e2-ba173fa8e9a3`
	TXT	`hubspot-developer-verification=NDFmMGNmMTYtZWYxNS00YTNlLWFkM2ItMjEwYzhmYTk0NTNi`
	TXT	`ms-domain-verification=a14381d7-1e61-4cbf-97fa-4ac14336f0cf`
	TXT	`airtable-verification=dea7eaaa4d90e623ec30a9b2fa12ca5f`
	TXT	`onetrust-domain-verification=6bfaeb2a9cdf438bad3b7b30e745f3ed`
	TXT	`autodesk-domain-verification=C3oU6DmT-SfRlU0htRMR`
	TXT	`miro-verification=0ee819554f4ff63f853affdf30d1cf76a15c6846`
	TXT	`linear-domain-verification=83vxugur897f`
	TXT	`dropbox-domain-verification=mra9n6toqbqj`
	TXT	`box-domain-verification=e2ecedffb7ea6f02e5f7a4afdbb83e2892f81db3acd85ff600633...`
	TXT	`google-site-verification=BDCE3pqO3BG5T5jWaEmQl10f5gqe3GAXgjyV0pmA5Jo`
	TXT	`apple-domain-verification=EgaXvYuVUgRwJTk3`
	TXT	`ZOOM_verify_Ji3VecODDwjBgU1GccqGAC`
	TXT	`smartsheet-site-validation=b4J2lcr0i94a3_8qW2jIQxWjyqlGUmF1`
	TXT	`v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:805...`
	TXT	`calendly-site-verification=fBZScJDPHrHKIWIb9dKdryZqPPcCkxGISR8z5xSdX`
	TXT	`google-site-verification=dU3pms6hgznfQnTCxkcq6P4jGjd8LMra0v429l4oElA`
	TXT	`airalo-domain-verification=xFzIMCLQ9JTlUFK`
	TXT	`hibp-verify=dweb_bngtm5m5asvzv8o0xxyy9pxb`
	TXT	`stripe-verification=b1d42b65d1782470604a6dbb360e9dfe8bd7426974e5110605e86b22d...`
	TXT	`docker-verification=e315e0c2-f866-4bec-ac0c-844fa287bbec`
	TXT	`atlassian-domain-verification=Q2BUDjXbr3zZaNROQ1MyCjvItM31fbzhL/GR5YEn96BAAyQ...`
	TXT	`figma-domain-verification=274542735efe890a700405d9916de07a971b531a0d1595c237b...`
	TXT	`mongodb-site-verification=9cei4YAQ08Y8uafD0DLW2sgyYqTNDtco`
	TXT	`tukj3psjdk`
	TXT	`twilio-domain-verification=c7745eae53aa58c5874d7a8508c510bc`
	TXT	`pylon-domain-verification-na3cfk=bYVknYT5uGxjut616RQY8fCHj`
	TXT	`dtm-domain-verification=yaoiU11N90j1RKR3IObEMhQO8WHP8K4zTGmCYlUIr6k`
	TXT	`MS=ms50231473`
	TXT	`canva-site-verification=3pgWM7c4EwmBo5rsy9b2Mg`
	TXT	`openai-domain-verification=dv-un30neQJyISDPkxgKgArFtEc`
	TXT	`google-site-verification=3uGPpoo5B2gXoFNwT4pfAJwH-1gjVj-fLqVSE6rCXGk`
	TXT	`postman-domain-verification=dc3e890ca92455e54d07dcec9ea8404fc401b0a5a900dfb75...`
	TXT	`central-10085`
	TXT	`wrike-verification=NjMwNjgwMjo0NmU2YjQ1NjgzNGJkN2M3MmYwNWUyMTNhOWUwOGY0OTQxYj...`
	TXT	`uber-domain-verification=faf07776-4ec9-4fd0-9ac5-2a6f8c514318`
	TXT	`TAILSCALE-FAWYbK3UOL8Tf83rkJoc`
	TXT	`google-site-verification=9sG4lDm5hmXEmnwpVGkId_ftzq-b84TYi0rwy9J-f9s`
	TXT	`jamf-site-verification=2ysWIpJrXkO40kW1SNc8Qg`
	SOA	`ns1-02.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

WOT: SAFE (61/100)
rank #140 globally
rank #91 in the tld

openai.com

The official domain of OpenAI, an artificial intelligence research and deployment company known for products such as ChatGPT, the GPT model series, DALL-E, and the OpenAI API. It serves as the company's primary website for product access, research publications, documentation, and corporate information.

Key facts

Owner / operator: OpenAI (OpenAI, Inc. / OpenAI OpCo, LLC and affiliated entities)
TLD:.com— gTLD
Primary purpose: corporate website, AI product access (ChatGPT, API), research publications
Status: active

History

Year	Event
2015	OpenAI founded as a non-profit AI research organization
2019	OpenAI creates a "capped-profit" subsidiary (OpenAI LP) to attract investment
2022	Public launch of ChatGPT, hosted via the domain's ecosystem, driving mass adoption

Related domains

chatgpt.com— dedicated domain for the ChatGPT product
openai.org— used in connection with OpenAI's non-profit entity

🔒 HSTS Preload (+subdomains)
Semrush Rank:#339 Keywords:1,324,635 Traffic:8,070,831/mo
WOT: SAFE (65/100)
📈 Tranco rank: #107

OpenAI is an artificial intelligence research company, founded in 2015 by Sam Altman, Elon Musk, and others with a mission to ensure AGI benefits humanity. The company created ChatGPT, which became the fastest-growing consumer app in history, reaching 100 million users in two months.

OpenAI develops large language models (GPT series), image generation (DALL-E), speech recognition (Whisper), and video generation (Sora). The company offers APIs that power thousands of applications.

OpenAI's infrastructure demands are enormous, requiring tens of thousands of GPUs for training frontier models. The company is a major Azure customer through its Microsoft partnership.

DNS for openai.com uses Cloudflare's authoritative DNS infrastructure, benefiting from their DDoS protection. The domain implements comprehensive security measures including DNSSEC.

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DNS History

1 record (1 active, 0 former)

●CNAMEmkto-ab660168.com2026-02-20 → 2026-08-16 · 2 obs

● 2026-02-20 10:07:18
● 2026-08-16 17:10:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
openai.com	ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info	2 records

✅ Authoritative Response

Server:208.84.5.2

NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openai.com (unsigned zone)

⏱️ Timing

Total: 157ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mkto-ab660168.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-02.azure-dns.com, ns1-02.azure-dns.com)

Analysis

IP Addresses

em.openai.com directs to five IP numbers, including 104.17.70.206, 104.17.71.206, 104.17.72.206 and two others

mkto-ab110094.com, mkto-lon020302.com, mkto-ab260182.com plus two other host names have IP numbers in common with em.openai.com.

Name Servers

em.openai.com has three name servers — ns1.marketo.com, ns2.mktdns.com and ns3.marketo.co.uk.

The name servers of em.openai.com overlap at least partially with those of other domains — among them mkto-sj020131.com, mkto-ab140072.com, mkto-lon050073.com and two more.

Each of the three hostnames points to exactly one IP address: ns1.marketo.com points to 208.77.136.240, ns2.mktdns.com points to 192.28.164.191 and ns3.marketo.co.uk points to 130.248.246.54.

em.openai.com - robtex.com

em.openai.com

openai.com

openai.com

Key facts

History

Related domains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`em.openai.com`

`openai.com`