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87
Total
85
DNS
100
Email
96
Security
20
Network
100
Availability
Domainasml.com
IPv41
IPv60
MX records1
StatusActive
Domain technical report

ASML | The world's supplier to the semiconductor industry

asml.com

ASML gives the world's leading chipmakers the power to mass produce patterns on silicon, helping to make computer chips smaller, faster and greener.

Generated: 2026-08-10T17:41:40-05:00 · Cached result

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IPv41
IPv60
MX1
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

1 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-STS5 / 5 pts · Mail

Mail transport policy.

✓
TLS-RPT5 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

53 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers31 / 35 pts · Security

8 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

i
IPv4 diversity20 / 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

1 record(s)
76.76.21.21

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
20 asml-com.mail.protection.outlook.com.

TXT

27 record(s)
"docusign=60486851-84cc-409d-a612-c0015512a86a"
"mongodb-site-verification=o8cyXhwrYFSyYec09dVrWs1FRvmWjWhF"
"MS=ms24136497"
"adobe-idp-site-verification=f1972f58-ace5-4cec-9413-271c138e7544"
"autodesk-domain-verification=xurljEeegw4BJa6-vRCO"
"_iafquaxbbyzcl1vvlnrqy4nz22tavbi"
"_ysvsjc8i2atwvjh2je0zgnb2xurbm73"
"vmware-cloud-verification-0822bcf9-de65-4e3d-aa2a-e23cf35de913"
"c768f954-dc68-487e-90dc-e12800e0caa3"
"38fgR30M5IS+jiUChc3n6OoSXp/aDT7jzpKkHm+/E1TsuQv3mvxAc65QK0joqRoryOW1dQVbAFusP8nL+7B7vg=="
"_a666p056siag3og17s44e1y8h16rfsj"
"docker-verification=9066d138-1172-4b2f-8efc-b70b447303e1"
"docusign=fd6b35f2-a166-4e18-9a15-4224490476ae"
"aanmelder.nl-user=69588"
"v=spf1 include:_u.asml.com._spf.smart.ondmarc.com -all"
"apple-domain-verification=XhDgMuS1HWw805bF"
"MS=ms23258709"
"atlassian-domain-verification=H3pDfXwhntWmQYE/V5RnO6y9BdGD2bzcgw0nQ5ymkLs96QCPyfH4SizXGQxbwebZ"
"asml-eu-p-sc-cd1.azurewebsites.net"
"spycloud-domain-verification=434ba9ca-f172-42f6-9188-52ac3cb0c077"
"intersight=66f23870839210b69896a162de503abe5a1d2c8f920008189ab33df6ce0999d6"
"_fpe9qtvus43anvf59w4qep1t3w4c6nv"
"miro-verification=dd8214e9abe761127df4580dd6441746bc08587a"
"asml-eu-p-sc-cd2.azurewebsites.net"
"intersight=dd2533156578ab8ab60443130452c1519c9520abb559b843160c49f5cfac7586"
"twilio-domain-verification=7ae38ba6f3edbad3829be5dca6a4216c"
"atlassian-domain-verification=PS4YYNh4ixriU8CepePeFRsJhTGz2afSMwSeQBwBuHilWsi2L5Cw1XAJW2zQZVsH"

NS

2 record(s)
ns1.asml.com.
ns2.asml.com.

SOA

1 record(s)
ns1.asml.com. dnsmaster.asml.com. 2015389980 10800 1080 604800 3600

CAA

0 record(s)
—

Not configured

DS

1 record(s)
20887 8 2 2DF590117907DF37F97797324E3135179A23F594352FA4DBB0FD526F FC8CFF8F

DNSKEY

4 record(s)
257 3 8 AwEAAchmUgv22Q4bv5u13aRUhh28oedDasMhKjX7j1RHcMRFBvUI+iuH 5+66feibyK96tkjw14iE6eCmtCl15WLYUxtfk/+5s3gMwfOtWey2LR/c qrnmNWT9mYhnukYhgwRrB8dtcI2R7QRymjUtmb4+KWVX7qipdKy9KrcN V+H+UGZE/m0N1NfWHWl6cTur6jwgLn3ipdeR1wuyqbSopTBCPMTIEe3M fCGeYFRHgh+BEiJ6SEWmpohOeG9hTjwNZA0pNXuFWyAE3n0opD+wBunq bg9vAiCZvCSFUahJxnkT4UPl2/5thIuylRb8UuIuLMdoUmWaYez4OEd0 AV3o/tGkozU=
256 3 8 AwEAAfIc/aLgA/jIPzOZ8FnxqVg/vb+1eha6RzT9Ot2opm6fssuM3ggG u/yn6ciBRrYCa11bp708wLGFOKWKfVx3zg2SUVm1q/UoJrWwg2ddAa5i XXJb9aJ09fdCpF8ie0+fjjXsHnr2IBkU3jF7dOl/fwS2J3x3cQh/Pcbv neuTs7on
256 3 8 AwEAAbFbmagx3LuvXtDy0Ikrrp88uwIK6odKEkPe11tGsoZvJFKQlURy HrqUGSnG3Mgz9YM+IRgjqVeR97dOpHwsRoR0SU6tMENwI/1uWTU7G8TS nz9h4YQvo0uFZtXSRkjBfWr2KT/IvxzDieSHTzLWvL/gOLs2/74ML/In lORw6P+l
256 3 8 AwEAAb89HKk2++2a+7hob5QEbbCpI2EX9g0mJtnU5F10AV24/8b5wSYg WSsjXPhe9slzOEuirueQv1Dn4i32YpuXLTfmtw3MK9M+WheT1R36sBc6 BJtLUZlmVIRB2m0d+AVjAhaJ24liN87CzTP0kKETFouSsmZfu597W+OE mQpShjMx

RRSIG

4 record(s)
A 8 2 600 20260814081630 20260810071630 37656 asml.com. E2NZvST+mEGc0qRT9CyLrD3dUL8NASqWZtWIYyKEjHH9DhNNpSg1Czn6 wGlzsB/lEdJuVaAtjWO9TLH0DRirfaP8FRZ0PLvgkRE24Hwkt6ACIy86 vSpq0vB6g3qhVX17IbpRDmZxtoMrafrtERlTwb8Bcrz/aGEeRlNO4hFA Zws=
DS 13 2 86400 20260817002835 20260809231835 41446 com. hNzLf40tD7r7GmEJ8phZRL9fOm9tFH1mry5hA1Ry0HRTy0dt2QrSjKMO R0E1BkX/Y1G+GI5/t2HM+dvbuyOPJQ==
DNSKEY 8 2 172800 20260814081634 20260810071634 20887 asml.com. C1a6uPYze0mjNMEsuft4ups4Zm014ouU7hElmJrUR/aIym9CjvocB0qI xuR21oQznQh6U59S+D+Ge+ChLM/9MJKdEAPw24UVEsldXO0UdWfJZtfT xNLH5PMMGIvx/z+M0quoFS9yqCvUEj5hSM4l7pUCTZ/YL0voulaF1Zl+ GgsHgBluLc0BbEBrXtOypgwxvUtSm/A24xF4sRV+6i0G7Nk4J3DFGfHY p4yUb41LejJkdpoV8ttZkEqAHgbnB09xFHgrGkdzz2jdy0i6vE1w8Ipb IWZXLrp6RkGa2joNrxev3xn7GMj2Lh9QGG7T9JfKVWsrIUsMnEHJLAms LB6mWw==
DNSKEY 8 2 172800 20260814081634 20260810071634 37656 asml.com. c1fq/71wNIavZwN3zLylaDvbE2F7AVRTVz2IbWPujW3SHcByKjgRS0BW dLgxUPHD2OHajvEKJMZrDm3/x8trBeKtGgyXvras8kJaaYEfqI5DXvWK 8+k1OSfkJN23SsmqjDiOBMf0vqcVMWB0iePQkqCzSzBxNG0wj9V+cuD4 vG4=

NSEC

0 record(s)
—

Not configured

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:_u.asml.com._spf.smart.ondmarc.com -all

DMARC

Configured
v=DMARC1;p=reject;pct=100;fo=1;ri=3600;rua=mailto:77cf4e2c@inbox.ondmarc.com,mailto:seg@asml.com;ruf=mailto:77cf4e2c@inbox.ondmarc.com

DKIM

Selector selector2
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFva85gbi4jlsMtmCad7+4zc/0bl9tzdo5MJhMxZTZVLHyvkAgn6e1UujxT1XfsIfiRXB/dGt5cLmtSZAlOvTHthE9dzlS6IypPTLl2lojcd6xZBSSUtKXy/O4VV0H1QtW9Hv9go6BE3k0fCEUBRM0zyTG6UMTasGigCbq1C6XvQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
ASML | The world's supplier to the semiconductor industry
Description
ASML gives the world's leading chipmakers the power to mass produce patterns on silicon, helping to make computer chips smaller, faster and greener.
Final URL
https://www.asml.com/en
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.asml.com/en
Version
3
Server
Vercel
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
asml.com
Valid from
2026-03-17T19:00:00-05:00
Valid until
2026-10-02T18:59:59-05:00
Days remaining
53
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

8 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
Permissions PolicyImplemented
✓
Cross-Origin-Opener-PolicyImplemented
✓
Cross-Origin-Embedder-PolicyImplemented
—
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
76.76.21.21
148,86 ms
Cloudflare
1.1.1.1
76.76.21.21
137,65 ms
Quad9
9.9.9.9
76.76.21.21
109,10 ms
OpenDNS
208.67.222.222
76.76.21.21
219,02 ms
AdGuard
94.140.14.14
76.76.21.21
205,26 ms

IP, geolocation and ASNAssociated network information

76.76.21.21

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

asml-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 26.9 ms - 
Port 465: Closed/unreachable - 4007.1 ms - 
Port 587: Closed/unreachable - 4036.6 ms -

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