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Total

DNS

Email

Security

Network

100

Availability

Domaincircle.com

IPv42

IPv60

MX records2

StatusActive

Domain technical report

Circle | The full-stack platform for the internet financial system

circle.com

Build onchain with a trusted full-stack platform including Arc, CPN, and USDC. Power payments, trading, and access to the agentic economy.

Generated: 2026-08-10T05:05:35-05:00 · Cached result

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IPv42

IPv60

MX2

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

2 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

75 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

104.16.31.32
104.16.30.32

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxa-00400e02.gslb.pphosted.com.
10 mxb-00400e02.gslb.pphosted.com.

TXT

39 record(s)

"ahrefs-site-verification_3ede0d081004ae9a89c896aeec3a292c738514a9674f3e24c9eee857b2745abd"
"openai-domain-verification=dv-fKUpiNgKiolGttuDSOP3oozP"
"astro-domain-verification=clwb09yg10lp601ilkgmslx65"
"67341bd0-fd6b-4bb3-ae21-22a37205a0f7"
"google-site-verification=YW0oMmPKWHQK_GDNYFhRaXGHdyxkAsCajtrijX4m_Zo"
"google-site-verification=ZyExblZM4XCPZZQxiBvjtL7KfO2ULZE6jspG7N0HU_0"
"stripe-verification=217bd092fd7cb94e0e27a527be59571a2cb251a403889a163d0d5f5de956bd69"
"google-site-verification=K5vB8MGaOlzpNUv70YE-U3UFSsoHMhV0Kd4mmF_C41o"
"postman-domain-verification=83153f65936b513f65feded34db5e355cb03e4a4b28a797bd54e48642609e8345c36710f7bf0ebefc7a9d851f91b01fd4bbe51f9d26559d0f0135a667fa61b01"
"loom-site-verification=9686796bdcee4e7297a1de99fa7de96c"
"zapier-domain-verification-challenge=7a26dedc-ad34-4d7b-8fc8-535da854226a"
"h1-domain-verification=kEpxx6kLeb46HtRjqnkfXsRDWYtrMRBZKc9SdhymksSjZNN3"
"docusign=10b8334a-7a74-48ae-9e2e-1db1e7adb5ea"
"axios-domain-verification-w7698p=1d2ZTZzTtvP7F8vRkLV79qYsC"
"LfuyD9vmtZ3NUeg6"
"google-site-verification=o4Qspj42UckHdTTZxfU5dbsuuR7RPr5W-uUGArn_lsk"
"google-site-verification=sBzQqVQp3Vs3D8a5hJB1ucZpMA2_IOemz7TkkdzV60o"
"facebook-domain-verification=y03slixjwds2slm4aj6u43v3uviaix"
"581987328-7810144"
"cursor-domain-verification-44wtbk=nRDSQcjlJpdJAaWFFrv6qSOAD"
"hubspot-domain-verification=MDJhYzhiODEtYWJiZC00YWU4LTk0YjYtNGEyNWIxZjc5ODMy"
"google-site-verification=Re1GJDxo8oPIhw47zOojoun4CnaJhZNq_OJVvSgXu6c"
"apple-domain-verification=ivF7PYsaXUKtVoTi"
"bravely-domain-verification-6rp235=QV5pamWVOtscWcdUwkVRsOFn4"
"00DRT000000ucU2=1TBRT00000002GL;00D4x000008a1l6=1TBTO0000000149"
"wrike-verification=MjY3NzA5MTo5OGY4MzZlYzIzYzNjODY5YzA5NjY0YzBmZTdiMzJkYmE0OTc1YjllMThmNzlhN2I4ODJhYTE2N2MyZTMwZWE3"
"docker-verification=65c73db8-b061-4cb4-add9-153326c80ce1"
"box-domain-verification=624d21a1955ec95103d42fe002c694b642be3c29b7ce1d2df530e433fc71bf12"
"OSSRH-86174"
"google-site-verification=lZ-7_BrS6xr5B67FwGql0AvvpUD2DCzYLQuxa2H4Bl8"
"v=spf1 include:_spf.google.com include:amazonses.com include:oktamail.circle.com include:_spf.intacct.com include:_spf.salesforce.com include:123456.spf03.hubspotemail.net ip4:167.89.16.30 ip4:167.89.16.245 ip4:167.89.16.183 ip4:52.1.14.157 ip4:107.20.210" ".250 ip4:50.31.156.96/27 ip4:104.245.209.192/26 ip4:50.31.205.0/24 ip4:156.70.5.157 ip4:156.70.5.159 ip4:156.70.5.161 ip4:156.70.5.163 ip4:156.70.5.165 ip4:156.70.25.148 ip4:204.14.234.64/28 ip4:204.14.232.64/28 ip4:182.50.78.64/28 ip4:96.43.144.64/31 ip4" ":96.43.148.64/31 ip4:148.163.147.212 ip4:148.163.143.157 ip4:5.61.117.80/29 ip4:5.61.117.80/28 ip4:168.245.23.89/32 ip4:64.181.146.64/26 ip4:79.72.22.64/26 ip4:79.72.39.64/26 ip4:79.72.112.64/26 ip4:81.208.187.192/26 ip4:84.8.179.64/26 ip4:84.235.196.192/" "26 ip4:84.235.197.192/26 ip4:129.148.11.192/26 ip4:129.148.219.192/26 ip4:129.149.22.192/26 ip4:129.149.37.192/26 ip4:129.149.63.192/26 ip4:129.152.79.16/28 ip4:129.152.95.16/28 ip4:129.153.243.192/26 ip4:129.157.31.16/28 ip4:141.145.63.16/28 ip4:141.145." "79.16/28 ip4:146.56.127.192/26 ip4:147.154.14.34/32 ip4:147.154.59.192/26 ip4:147.154.123.119/32 ip4:147.154.189.192/26 ip4:147.154.255.192/26 ip4:151.104.48.26/32 ip4:151.104.61.235/32 ip4:155.248.28.128/26 ip4:155.248.115.192/26 ip4:155.248.119.192/26 i" "p4:158.178.219.192/26 ip4:158.179.11.192/26 ip4:158.179.135.64/26 ip4:158.180.181.192/26 ip4:159.13.87.0/26 ip4:159.112.165.64/26 ip4:170.52.3.228/32 ip4:170.52.4.253/32 ip4:192.29.42.231/32 ip4:192.29.91.192/26 ip4:192.29.137.192/26 ip4:192.29.143.169/32" " ip4:192.29.172.192/26 ip4:192.29.178.192/26 ip4:192.29.207.192/26 ip4:192.29.216.192/26 ip4:192.29.232.192/26 ip4:204.216.114.64/26 ip4:204.216.119.192/26 ip4:204.216.127.192/26 ip4:207.127.72.64/26 ip4:207.127.107.192/26 ip4:207.127.109.192/26 ip4:207.2" "11.139.192/26 ip4:216.131.131.240/28 -all"
"stripe-verification=34357692c7d5f35a0327e6bb8b43d73ef167851e5d2a64ff30ccaf59ad5e8ae5"
"atlassian-domain-verification=dHTvnuj4nR5skh3bcurXWZ2pVPI3aCMmlRNNt1F3N10FbmoQNDSPlc4sccD3K1wn"
"onetrust-domain-verification=eb3687a3db964b619b7e6566c85e158a"
"_ngz7nl6cz9jn7ieghoz4cp4zjvzu22k"
"asv=08f09d97fc04e65d2fec5aa4ed2e79c2"
"virtru-site-verify=ncaekmtYryKdiPnTYyvMgmcZVMHnvfquhwoMhjbJ"
"adobe-idp-site-verification=630e2ba3a6a15ffc850ba8b6d6213dac5fbb15e719ec1ee4ab5ce9f512a5edb5"
"anthropic-domain-verification-9zp58c=Lxb9NxIlvaEjfU3IevkZISU0t"

NS

2 record(s)

ns1.circle.com.
ns2.circle.com.

SOA

1 record(s)

ns1.circle.com. dns.cloudflare.com. 2411615972 10000 2400 604800 1800

CAA

14 record(s)

0 issue "globalsign.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 iodef "mailto:webmaster@circle.com"
0 issue "ssl.com"
0 issuewild "ssl.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issuewild "letsencrypt.org"
0 issue "amazonaws.com"
0 issuewild "amazonaws.com"
0 issue "comodoca.com"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issue "letsencrypt.org"
0 issuewild "digicert.com; cansignhttpexchanges=yes"

DS

1 record(s)

2371 13 2 FF098CEAA3879B3F13EE488E88B02D4F71EA61264EE9A3C07B56A92F 2A082FD9

DNSKEY

2 record(s)

256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

0 record(s)

—

Not configured

NSEC

1 record(s)

\000.circle.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:_spf.google.com include:amazonses.com include:oktamail.circle.com include:_spf.intacct.com include:_spf.salesforce.com include:123456.spf03.hubspotemail.net ip4:167.89.16.30 ip4:167.89.16.245 ip4:167.89.16.183 ip4:52.1.14.157 ip4:107.20.210.250 ip4:50.31.156.96/27 ip4:104.245.209.192/26 ip4:50.31.205.0/24 ip4:156.70.5.157 ip4:156.70.5.159 ip4:156.70.5.161 ip4:156.70.5.163 ip4:156.70.5.165 ip4:156.70.25.148 ip4:204.14.234.64/28 ip4:204.14.232.64/28 ip4:182.50.78.64/28 ip4:96.43.144.64/31 ip4:96.43.148.64/31 ip4:148.163.147.212 ip4:148.163.143.157 ip4:5.61.117.80/29 ip4:5.61.117.80/28 ip4:168.245.23.89/32 ip4:64.181.146.64/26 ip4:79.72.22.64/26 ip4:79.72.39.64/26 ip4:79.72.112.64/26 ip4:81.208.187.192/26 ip4:84.8.179.64/26 ip4:84.235.196.192/26 ip4:84.235.197.192/26 ip4:129.148.11.192/26 ip4:129.148.219.192/26 ip4:129.149.22.192/26 ip4:129.149.37.192/26 ip4:129.149.63.192/26 ip4:129.152.79.16/28 ip4:129.152.95.16/28 ip4:129.153.243.192/26 ip4:129.157.31.16/28 ip4:141.145.63.16/28 ip4:141.145.79.16/28 ip4:146.56.127.192/26 ip4:147.154.14.34/32 ip4:147.154.59.192/26 ip4:147.154.123.119/32 ip4:147.154.189.192/26 ip4:147.154.255.192/26 ip4:151.104.48.26/32 ip4:151.104.61.235/32 ip4:155.248.28.128/26 ip4:155.248.115.192/26 ip4:155.248.119.192/26 ip4:158.178.219.192/26 ip4:158.179.11.192/26 ip4:158.179.135.64/26 ip4:158.180.181.192/26 ip4:159.13.87.0/26 ip4:159.112.165.64/26 ip4:170.52.3.228/32 ip4:170.52.4.253/32 ip4:192.29.42.231/32 ip4:192.29.91.192/26 ip4:192.29.137.192/26 ip4:192.29.143.169/32 ip4:192.29.172.192/26 ip4:192.29.178.192/26 ip4:192.29.207.192/26 ip4:192.29.216.192/26 ip4:192.29.232.192/26 ip4:204.216.114.64/26 ip4:204.216.119.192/26 ip4:204.216.127.192/26 ip4:207.127.72.64/26 ip4:207.127.107.192/26 ip4:207.127.109.192/26 ip4:207.211.139.192/26 ip4:216.131.131.240/28 -all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:dmarc-reports@circle.com

DKIM

Selector google

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCDVFJ4pmN+oUJq3ESLjpQbH8x56n4luq4fZxM/yWnVOjajF06RC3QVjzE/GZefP0ISoxac/EuDN1OfsC8aYZfbELnmBGNMpxA5T3RDeRAyV9zIRyEL5UmLzzFqa3bWZz2BR+M6V6gONFlt3ejMuoc9nWIJxUJbRh74Vi9kspODiQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Circle | The full-stack platform for the internet financial system

Description

Build onchain with a trusted full-stack platform including Arc, CPN, and USDC. Power payments, trading, and access to the agentic economy.

Final URL

https://www.circle.com/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.circle.com/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

circle.com

Valid from

2025-09-22T19:00:00-05:00

Valid until

2026-10-24T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

2 active

—

HSTSNot detected

✓

Content Security PolicyImplemented

—

X-Content-Type-OptionsNot detected

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

104.16.30.32, 104.16.31.32

63,88 ms

Cloudflare

1.1.1.1

104.16.30.32, 104.16.31.32

44,21 ms

Quad9

9.9.9.9

104.16.30.32, 104.16.31.32

28,61 ms

OpenDNS

208.67.222.222

104.16.30.32, 104.16.31.32

29,28 ms

AdGuard

94.140.14.14

104.16.30.32, 104.16.31.32

40,69 ms

IP, geolocation and ASNAssociated network information

104.16.31.32

No data

success

country

region

city

asn

organization

isp

104.16.30.32

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

mxa-00400e02.gslb.pphosted.com

Port 25: Closed/unreachable - 86.6 ms - 
Port 465: Closed/unreachable - 10200 ms - 
Port 587: Closed/unreachable - 48.9 ms -

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