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78
Total
80
DNS
70
Email
73
Security
55
Network
100
Availability
Domainuiuc.edu
IPv41
IPv61
MX records1
StatusActive
Domain technical report

Illinois

uiuc.edu

Discover the University of Illinois Urbana-Champaign—where innovation, community, and discovery drive world-class learning, research, and public impact.

Generated: 2026-08-08T18:29:29-05:00 · Cached result

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IPv41
IPv61
MX1
NS3

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

3 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 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.

!
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

121 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 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/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)
64.236.243.124

AAAA

1 record(s)
2a01:111:f100:1002::4134:dc6d

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 incoming-relays.illinois.edu.

TXT

2 record(s)
"adobe-idp-site-verification={01d11a69-e4de-4f73-b476-5dc9b7faf76b}"
"v=spf1 redirect=_spf.illinois.edu"

NS

3 record(s)
dns3.illinois.edu.
dns1.illinois.edu.
dns2.illinois.edu.

SOA

1 record(s)
ipam1.techservices.illinois.edu. dns-admin.illinois.edu. 266659442 3600 900 1209600 60

CAA

0 record(s)
—

Not configured

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 redirect=_spf.illinois.edu

DMARC

Configured
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Illinois
Description
Discover the University of Illinois Urbana-Champaign—where innovation, community, and discovery drive world-class learning, research, and public impact.
Final URL
https://illinois.edu/
HTTP status
206

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://illinois.edu/
Version
2
Server
nginx/1.22.1
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Internet2
CN
illinois.edu
Valid from
2025-11-05T18:00:00-06:00
Valid until
2026-12-07T17:59:59-06:00
Days remaining
121
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

2 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
✓
Referrer PolicyImplemented
—
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
64.236.243.124
35,05 ms
Cloudflare
1.1.1.1
64.236.243.124
28,01 ms
Quad9
9.9.9.9
64.236.243.124
49,46 ms
OpenDNS
208.67.222.222
64.236.243.124
54,21 ms
AdGuard
94.140.14.14
64.236.243.124
82,96 ms

IP, geolocation and ASNAssociated network information

64.236.243.124

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

incoming-relays.illinois.edu

Port 25: Closed/unreachable - 11.4 ms - 
Port 465: Closed/unreachable - 69.9 ms - 
Port 587: Closed/unreachable - 80.4 ms -

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