Domain technical report
McMaster-Carr
mcmaster.com
McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.
IPv41
IPv60
MX2
NS4
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78
Total
75
DNS
90
Email
77
Security
20
Network
100
Availability
Domainmcmaster.com
IPv41
IPv60
MX records2
StatusActive
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
4 NS record(s); 2 or more required.
SOA record10 / 10 pts · Dns
Authoritative zone record.
DNSSEC chain0 / 15 pts · Dns
Both DS and DNSKEY are required.
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
124 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers12 / 35 pts · Security
3 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
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)209.64.25.149
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
2 record(s)0 mx0b-00570c01.pphosted.com. 0 mx0a-00570c01.pphosted.com.
TXT
13 record(s)"miro-verification=f4e0eeb30859fc7ba1f97fa4226ca3e283c9c863" "MS=ms15831590" "google-site-verification=yEN1-3qH9KxX3WSAoE2HiMMy4H9TTJoMcGUY8i7hEpI" "anthropic-domain-verification-18mq8v=LcuVZynEW19BWYIbz7j3ntQMp" "atlassian-domain-verification=GNSv9wabNT5xNCz0qSb/2LU6iZpUAc1Za56wsU1hJhgLeSTuIVYcajabmy9s1Bbf" "twilio-domain-verification=e479f5ca90dfdbf8f06152e28adbb4f8" "docusign=e7d2700e-0abc-46de-9ae4-ec25ed45fdb7" "_kxi5f2699317hnmzrd20oc6kknc7myl" "v=spf1 ip4:209.64.25.245 ip4:209.64.25.246 ip4:209.64.25.247 ip4:209.64.25.248 ip4:12.203.197.22 ip4:12.203.197.23 ip4:12.203.197.24 ip4:12.203.197.25 ip4:44.203.112.2 include:_spfprod.ngpvan.com ~all " "_00e3btp7pnzoy6pqegfm7fsjjp0x9uw" "apple-domain-verification=TTiWjZN11fZHZBQi" "notion-domain-verification=hk4fClpkyNxaDpYRpNMju4LWhDtHC9IfPqji2fvE7LU" "MS=E150D2B549DCBD0EB9D652EE4B78C88D8E94B1F0"
NS
4 record(s)ns1.mcmaster.com. ns2.mcmaster.com. ns3.mcmaster.com. ns4.mcmaster.com.
SOA
1 record(s)ns2.mcmaster.com. hostmaster.mcmaster.com. 1769 60 900 86400 60
CAA
1 record(s)0 issue "digicert.com"
DS
0 record(s)—
Not configured
DNSKEY
0 record(s)—
Not configured
RRSIG
0 record(s)—
Not configured
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
Configuredv=spf1 ip4:209.64.25.245 ip4:209.64.25.246 ip4:209.64.25.247 ip4:209.64.25.248 ip4:12.203.197.22 ip4:12.203.197.23 ip4:12.203.197.24 ip4:12.203.197.25 ip4:44.203.112.2 include:_spfprod.ngpvan.com ~all
DMARC
Configuredv=DMARC1; p=none; sp=none; rua=mailto:dmarc@mcmaster.com; ruf=mailto:dmarc.forensic@mcmaster.com; rf=afrf; ri=86400
DKIM
Selector s1v=DKIM1; k=rsa; h=sha256; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbuHTQ5ymNVbYM8ADERPylM+keDZC6YSDG8ryAokje9JoVZ9j7lRQLkasNwXWpUiBRFOxDUZGvgsm5y1KS98l3yFi4AwtTgyWVq19XDmzHjArE9AswvXNre6AIyZWe4bmlHTu8cFZU3JSMz0BpK3FWkC11gjM0yWesWBvRuvYaDwIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
McMaster-Carr
Description
McMaster-Carr is the complete source for your plant with over 595,000 products. 98% of products ordered ship from stock and deliver same or next day.
Final URL
https://www.mcmaster.com/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://www.mcmaster.com/
Version
3
Server
BigIP
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
DigiCert Inc
CN
mcmaster.com
Valid from
2026-05-27T19:00:00-05:00
Valid until
2026-12-12T17:59:59-06:00
Days remaining
124
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256
Security headers
3 activeHSTSImplemented
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsImplemented
Referrer PolicyNot detected
Permissions PolicyImplemented
Cross-Origin-Opener-PolicyNot detected
Cross-Origin-Embedder-PolicyNot detected
Cross-Origin-Resource-PolicyNot detected
DNS propagationComparison across public resolvers
Public resolver comparison
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8209.64.25.149
42,13 ms
Cloudflare
1.1.1.1209.64.25.149
46,05 ms
Quad9
9.9.9.9209.64.25.149
83,63 ms
OpenDNS
208.67.222.222209.64.25.149
35,12 ms
AdGuard
94.140.14.14209.64.25.149
78,42 ms
IP, geolocation and ASNAssociated network information
209.64.25.149
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
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
mx0b-00570c01.pphosted.com
Port 25: Closed/unreachable - 8.4 ms - Port 465: Closed/unreachable - 29.4 ms - Port 587: Closed/unreachable - 29 ms -