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Total

DNS

Email

Security

Network

100

Availability

Domainwiu.edu

IPv41

IPv60

MX records5

StatusActive

Domain technical report

wiu.edu

Generated: 2026-08-12T11:20:04-05:00 · Cached result

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IPv41

IPv60

MX5

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 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

133 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: wiu.edu

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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

143.43.221.129

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.

TXT

10 record(s)

"apple-domain-verification=sWhM5gPqjwsOeIIF"
"google-site-verification=UFcPYakLAs7aKgaPnWWpr3SUCa-ITOiJIzLwYwPRyMI"
"v=spf1 ip4:143.43.222.19 ip4:143.43.248.75 ip4:143.43.193.0/24 a:smtp.wiu.edu include:_spf.google.com include:_spf.regroupcloud.com include:a._spf.brightspace.com -all"
"dell-technologies-domain-verification=wiu.edu_9684b69c-12a2-47f4-a135-39f9ff07fdcc_1734194615"
"MS=ms95236060"
"google-site-verification=XenIIF1U9K4Okx--ivwsg85ygYj5XlxLixq9TxPtojs"
"amazonses:MjgP2obiuY3eMiKpWGXFbrCqVm2tiSX+6je72iQFcb8="
"google-site-verification=AM7fM9WbKdwak4V2ruNB9bWm4igwQNa_DAMVCwo8f54"
"adobe-idp-site-verification=548a845e14ad08c7e3331f41703ffe540495046109cdd64d38df4928ad6bef56"
"google-site-verification=kpZRVPnWqVFFQaGen279PqVSs0HhrnfBU1XtcRdRH0Y"

NS

2 record(s)

dns2.wiu.edu.
dns1.wiu.edu.

SOA

1 record(s)

dns1.wiu.edu. hostmaster.wiu.edu. 2026081102 7200 600 1209600 86400

CAA

6 record(s)

0 issue "letsencrypt.org"
0 issue "amazonaws.com"
0 issuewild "sectigo.com"
0 iodef "mailto:abuse.wiu.edu"
0 issuewild "letsencrypt.org"
0 issue "sectigo.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 ip4:143.43.222.19 ip4:143.43.248.75 ip4:143.43.193.0/24 a:smtp.wiu.edu include:_spf.google.com include:_spf.regroupcloud.com include:a._spf.brightspace.com -all

DMARC

Configured

v=DMARC1; p=quarantine; rua=mailto:sysops@wiu.edu; pct=1; adkim=r; aspf=r

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2xI75+fw9XC5VWA1C9V2/hkNN//G1E+0uhmNBpbrNnqdSEj/BYPtGQL6W+CHTH/1bBtuUN5nohbEgeOzTjckTkFdbq1N/8OAIu287+y+mzsokZ/eed8aR+cLoz9YeaCHx7idnSS/Bj3Ihn6/snusIHUtyfZRcQ1hUchsJklBzI8RKdpj6vHVbyK+lL0S+h6nWcS5Hz4itfhScUl7ElZYIBdyCH6EzWfp8Y8Ep+63z4wEwTi2hCOrYkLNY9jBRjURJVa3F2oKDEJrosj1hAeqpc8US3LUagxxcYWI8rKXOPfS9mD9wCeJ1ETYUn7yOiBjASF2P8OL+OUhlPNWRBu/eQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://wiu.edu/

HTTP status

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.wiu.edu/

Version

Server

WIU secure web server

X-Powered-By

WIU secure code

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Sectigo Limited

*.wiu.edu

Valid from

2025-12-22T18:00:00-06:00

Valid until

2026-12-23T17:59:59-06:00

Days remaining

133

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

0 active

—

HSTSNot detected

—

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

143.43.221.129

63,70 ms

Cloudflare

1.1.1.1

143.43.221.129

68,59 ms

Quad9

9.9.9.9

143.43.221.129

84,92 ms

OpenDNS

208.67.222.222

143.43.221.129

65,42 ms

AdGuard

94.140.14.14

143.43.221.129

97,76 ms

IP, geolocation and ASNAssociated network information

143.43.221.129

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.216.212

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

alt2.aspmx.l.google.com

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4021.2 ms - 
Port 587: Closed/unreachable - 4004 ms -

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