Domain technical report
Home | WashU
wustl.edu
At WashU, we’re connecting learners, thinkers, leaders and doers who inspire each other to ask big questions and find real solutions — together.
IPv41
IPv60
MX5
NS5
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76
Total
75
DNS
90
Email
69
Security
20
Network
100
Availability
Domainwustl.edu
IPv41
IPv60
MX records5
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
5 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
5 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
86 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers4 / 35 pts · Security
1 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)23.185.0.3
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
5 record(s)10 smtp1.mx.wustl.edu. 10 smtp3.mx.wustl.edu. 100 ms43096679.msv1.invalid.wustl.edu. 10 smtp4.mx.wustl.edu. 10 smtp2.mx.wustl.edu.
TXT
33 record(s)"google-site-verification=MvtpbllXOb63Yx9w3WFjWCZR-LHtnfAVgFJws-Ue9ME"
"d365mktkey=7kdpn9nbfup2mhfxhlmmiqdxx"
"af23hqem7r04ma4v14vgaihp42"
"atlassian-domain-verification=OjbbFWJspitkuY5UWMr5n4JIpGduH5AWTFsmCjdBS9QcZPi/G/I3bQ1EXZZnCRbX"
"d365mktkey=14ctzuu12dg60ta62u04ddeuj"
"DRXV5DYS8LIBHYFHQX71LXN02CM3U1I13WSDI82QU"
"google-site-verification=xCK6ole63K9XT94xG9frBzEK-MHggzGOQJyzZ3NngTw"
"amazonses:yj+KjwcrLMmm/dD1esz1OfBmWPwcM+LHD0ZJGb0wMf8="
"google-site-verification=avl1q9k6NW9ftWu-HBoYBg910KjxNWZntqy4Tc6Nn2c"
"docusign=1b1a1c47-13e8-4a89-b0cc-ed1284d64a81"
"brevo-code:47910dad859b8cc59016e254bfc2691e"
"openai-domain-verification=dv-0ZXAl1wPxHfZQzwz86vpRh0w"
"anthropic-domain-verification-0qkk6p=jbzgYnLtp3OsUQ0cBYWxmPaaZ"
"ca3-af9ba2cddfb84114be9df0d86bb3726e"
"d365mktkey=2g70u9s8aufmjqsdjxl37doc"
"google-site-verification=CmuLI-dvXn4RbwGrJw_y48JU0VNJvC4JkVm40hMZcGk"
"amazonses:0pWmZ3cKbqf2da7DCB2YeER7vVSvkINUjtqkIm9lYyk="
"OLD" "Temporary" "v=spf1 include:spf.protection.outlook.com exists:%{i}._spf.mta.salesforce.com ip4:104.45.175.206 ip4:52.224.142.128 ip4:52.180.90.234 ip4:72.167.168.0/24 ip4:72.167.172.0/24 ip4:52.89.65.132" " ip4:54.214.222.76 ip4:54.184.82.65 ip4:52.26.164.15 include:spf1.wustl.edu ~all"
"nintex.620bdcc911302c006955fe4f"
"status-page-domain-verification=cn9gsmct0vf9"
"psgk4qeplqpgp492he3nkfdapg"
"amazonses:5P6+gURez5gGPEvpi0/wfckAiqkC1YQQ8apk8eimtHU="
"google-site-verification=TPMv0_isU2jNt_jZ5lRSEhM6TlIftli_iiy40Kp-AwI"
"brevo-code:3110c2b54ef2acb6b31aaf408aeefc9e"
"docusign=d3f36653-1429-4415-8fd6-3cf6b2bb2d7c"
"openai-domain-verification=dv-XbW9dxs8Bp6zPyV8onDE3SzJ"
"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~all"
"D8CC59A7EE6BCD2C8948C3F4A44A43CD"
"onetrust-domain-verification=fa333d481f5642dc9f675e5986b22c4c"
"brevo-code:0ee56f3223e39c9a2adc900ffc50f920"
"34155841A2508BECD5C798257267FBB80D13C966AA514413798D571EA23CDD21"
"google-site-verification=Mq4I7BGfm3L6R7e2IiBwWPzUgyf_ZSuv1pCStANKR58"
"google-site-verification=5uUcdG0dg8qqYOAbQy9xGiPqtRcGK4yMdHa6wtVYl9M"NS
5 record(s)ns00.ip.wustl.edu. ns04.ip.wustl.edu. ns02.ip.wustl.edu. ns03.ip.wustl.edu. ns01.ip.wustl.edu.
SOA
1 record(s)ns00.ip.wustl.edu. noc.wustl.edu. 2021192109 10800 3600 2419200 900
CAA
18 record(s)0 issue "emsign.com" 0 issue "sectigo.com" 0 issue "amazon.com" 0 issue "letsencrypt.org" 0 issuewild "amazon.com" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issue "digicert.com" 0 issue "amazontrust.com" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issuewild "emsign.com" 0 issue "awstrust.com" 0 issuewild "letsencrypt.org" 0 issuewild "awstrust.com" 0 issuewild "sectigo.com" 0 issuewild "amazonaws.com" 0 issuewild "digicert.com" 0 issue "amazonaws.com" 0 issuewild "amazontrust.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 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf.protection.outlook.com ~allDMARC
Configuredv=DMARC1;p=quarantine;pct=100;fo=1;rua=mailto:dmarcreports@email.wustl.edu,mailto:dmarc_agg@vali.email;ruf=mailto:dmarcreports@email.wustl.edu;
DKIM
Selector selector1v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAokz7IxOtV2kEH979h8Tw72BYbMkhBVxHkOHAP4y2an7wCqhgVM1cJ+8z/0X5g2rX9N0lQVrYBA4yKfUOD2PUnPUMdJW9kHesmFiRZX3bL8fqz08/EG1C25XXNjCsZ34mqMhIxKb5Ui6bADzXYgtozJA1IcFE/I/2mGsSf90F0Yr/V367R2vVQEQqvDj/6Ixk6NkG7b41lur654fzrISonoY2e3YL8zk0T4Tin1Czy2f+GnSmNRZ2KD+aFH3k2UgXQPpV2n2ZlkZ59+o+knFmYnwsY8DzgIHRAXB5EjA6UDKillXEvhjvKumFNqKHzTLe5Vt0NdS6c7+jmyQ9eZL/MQIDAQAB;
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Home | WashU
Description
At WashU, we’re connecting learners, thinkers, leaders and doers who inspire each other to ask big questions and find real solutions — together.
Final URL
https://washu.edu/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://washu.edu/
Version
3
Server
nginx
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Let's Encrypt
CN
washu.edu
Valid from
2026-08-05T12:43:56-05:00
Valid until
2026-11-03T11:43:55-06:00
Days remaining
86
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
1 activeHSTSImplemented
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsNot detected
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.823.185.0.3
64,47 ms
Cloudflare
1.1.1.123.185.0.3
33,34 ms
Quad9
9.9.9.923.185.0.3
40,10 ms
OpenDNS
208.67.222.22223.185.0.3
31,08 ms
AdGuard
94.140.14.1423.185.0.3
116,89 ms
IP, geolocation and ASNAssociated network information
23.185.0.3
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
smtp1.mx.wustl.edu
Port 25: Closed/unreachable - 1 ms - Port 465: Closed/unreachable - 4070.7 ms - Port 587: Closed/unreachable - 4005.2 ms -