WAPDNS.com

Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

78
Total
85
DNS
70
Email
69
Security
55
Network
100
Availability
Domainwashu.edu
IPv41
IPv62
MX records1
StatusActive
Domain technical report

Home | WashU

washu.edu

At WashU, we’re connecting learners, thinkers, leaders and doers who inspire each other to ask big questions and find real solutions — together.

Generated: 2026-08-09T09:14:32-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv62
MX1
NS5

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 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

1 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
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.

i
HTTP security headers4 / 35 pts · Security

1 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 connectivity35 / 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

2 record(s)
2620:12a:8001::3
2620:12a:8000::3

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 washu-edu.mail.protection.outlook.com.

TXT

4 record(s)
"apple-domain-verification=avI5WwVJnvFFxIFE"
"MS=ms87679064"
"v=spf1 include:spf.protection.outlook.com include:mailgun.org -all"
"AE0583BA20BF9B0101899C0C621599F5"

NS

5 record(s)
ns03.ip.wustl.edu.
ns00.ip.wustl.edu.
ns02.ip.wustl.edu.
ns01.ip.wustl.edu.
ns04.ip.wustl.edu.

SOA

1 record(s)
ns00.ip.wustl.edu. noc.wustl.edu. 30337 10800 3600 2419200 900

CAA

18 record(s)
0 issuewild "digicert.com"
0 issuewild "letsencrypt.org"
0 issue "amazonaws.com"
0 issuewild "amazonaws.com"
0 issuewild "awstrust.com"
0 issue "awstrust.com"
0 issue "sectigo.com"
0 issue "digicert.com"
0 issue "emsign.com"
0 issuewild "sectigo.com"
0 issue "amazon.com"
0 issuewild "emsign.com"
0 issuewild "amazontrust.com"
0 issue "amazontrust.com"
0 issue "letsencrypt.org"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "amazon.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

Configured
v=spf1 include:spf.protection.outlook.com include:mailgun.org -all

DMARC

Configured
v=DMARC1;p=quarantine;pct=100;fo=1;rua=mailto:dmarcreports@email.wustl.edu;ruf=mailto:dmarcreports@email.wustl.edu;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
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

Available
Available
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 active
✓
HSTSImplemented
—
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
23.185.0.3
55,43 ms
Cloudflare
1.1.1.1
23.185.0.3
25,20 ms
Quad9
9.9.9.9
23.185.0.3
73,93 ms
OpenDNS
208.67.222.222
23.185.0.3
64,00 ms
AdGuard
94.140.14.14
23.185.0.3
67,39 ms

IP, geolocation and ASNAssociated network information

23.185.0.3

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

washu-edu.mail.protection.outlook.com

Port 25: Closed/unreachable - 24.8 ms - 
Port 465: Closed/unreachable - 4018.6 ms - 
Port 587: Closed/unreachable - 4020.9 ms -

Recently analyzed domains

View all →
ab.ca4ndu.edu30nwo.nl97apnic.net95siutica.cl4fukui.jp4hoo.be78elindependiente.com83webkit.org83businessfrance.fr96