Domain Intelligence

chatgpt.io

Low-risk posture with minor configuration gaps.

Low Risk MarkMonitor, Inc. 3.7 years old
no_mx_records no_spf_record no_dmarc_record no_caa_records

Threat Score

21 /100

Low Risk

Minor concerns

Risk score

21/100

low risk

Server IPs

2

resolved address records

Mail posture

DMARC missing

mail provider not classified

DNS controls

DNSSEC

CAA missing

Infrastructure DNS Records Email & DNS WHOIS Blacklist

Server Infrastructure

Resolved IPs with ASN, country, and provider data

2 servers

All traffic is proxied through Cloudflare — these IPs are the edge network, not the origin server, so the real hosting location is hidden.

IP Address Location ASN / Org Provider Reverse DNS
104.21.39.244 A US US
AS13335

CLOUDFLARENET - Cloudflare, Inc., US

 Cloudflare Cloudflare No PTR found
172.67.172.43 A US US
AS13335

CLOUDFLARENET - Cloudflare, Inc., US

 Cloudflare Cloudflare No PTR found

DNS Records

Raw evidence behind the checks above — for technical verification

7 records
A2 AAAA2 NS2 SOA1
A Website IPv4 address 2 records
Name Value TTL
chatgpt.io US 104.21.39.244 300s
chatgpt.io US 172.67.172.43 300s
AAAA Website IPv6 address 2 records
Name Value TTL
chatgpt.io 2606:4700:3033::ac43:ac2b 300s
chatgpt.io 2606:4700:3030::6815:27f4 300s
NS Who runs this domain's DNS 2 records
Name Value TTL
chatgpt.io US seth.ns.cloudflare.com. 86400s
chatgpt.io US wally.ns.cloudflare.com. 86400s
SOA Zone administration metadata 1 record
Name Value TTL
chatgpt.io seth.ns.cloudflare.com. dns.cloudflare.com. 2411473486 10000 2400 604800 1800 1800s

Email & DNS Security

Mail authentication posture and DNS security controls

Spoofable

Mail · Not classified

DNS · Cloudflare

Email authentication

Whether spoofed mail from this domain gets delivered

MX

Missing

Mail routing

SPF

Missing

Approved senders

DMARC

Missing

Spoofing policy

DNS security

Unrelated to email — protects DNS responses and certificate issuance

DNSSEC

Validated

Response signing

CAA

Missing

Allowed CA issuers

Nameservers USseth.ns.cloudflare.com USwally.ns.cloudflare.com

WHOIS & Registrar

Registration details via RDAP

RDAP

Registrar

MarkMonitor, Inc.

www.markmonitor.com

Domain Rating

2.1/100

Registration Dates

Domain age

3.7 years

Created

Dec 1, 2022

Updated

Oct 14, 2025

Expires

Dec 1, 2027

Registrant

Organization OpenAI
Email Select Request Email Form at https://domains.markmonitor.com/whois/chatgpt.io
Location US US

Domain status

Registry status codes — green means the owner locked out unauthorized changes

Update locked Transfer locked Delete locked

WHOIS server: whois.markmonitor.com

Blacklist Reputation

Spam, phishing & malware check

Server IP104.21.39.244

Clean
Barracuda
SpamCop
SORBS DNSBL
SORBS HTTP
SORBS SOCKS
UCEPROTECT L1
DroneBL

Domain

Clean
URLhaus
SURBL Unknown
Spamhaus DBL Unknown

Data via abuse.ch URLhaus

Queried 8/13/2026, 1:22:57 AM · 953ms