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85
Total
80
DNS
90
Email
69
Security
100
Network
100
Availability
Domainiu.edu
IPv42
IPv62
MX records1
StatusActive
Domain technical report

Bring On Tomorrow: Solving tomorrow's problems today

iu.edu

Indiana University empowers students to succeed through top-ranked academics, groundbreaking research, and service that strengthens Indiana and beyond.

Generated: 2026-08-08T21:17:13-05:00 · Cached result

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IPv42
IPv62
MX1
NS3

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 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.

✓
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

116 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 DNS30 / 30 pts · Network

PTR: zooarchaeology.lab.iu.edu

✓
IPv4 diversity35 / 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

2 record(s)
129.79.123.143
129.79.123.142

AAAA

2 record(s)
2001:18e8:2:e::11e
2001:18e8:2:e::11d

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 iu-edu.mail.protection.outlook.com.

TXT

26 record(s)
"anthropic-domain-verification-r67nzj=gyjd2axSjIgdJeFFRkzEvzAjI"
"google-site-verification=WgnuKI6eH9iryViWdeX80OO-gTPvCs1Ebau64EsXL8o"
"d365mktkey=rdxQ7xES86qnEpzYxVsNc4yojeH1FxQOSBH9FUVW94gx"
"brevo-code:b1414e0a234265a2faa294058248ae06"
"atlassian-sending-domain-verification=5367f8b9-a482-41d9-ab55-b6bea09d7cbb"
"00D5e000004gkxW=1TBVO00000007W9"
"MS=ms31221681"
"jamf-site-verification=MtxAbzswuGJN9MhVVtRpoA"
"google-site-verification=vPowpR03OV8P2AmugWIbDpxPPCtvszGj1tg40pb4ZiE"
"smartsheet-site-validation=0yelJvvqPYO03elqqSvwIzxN8SfRNBdV"
"openai-domain-verification=dv-rnKq5kzfAz4p4gY3Axy0ffRa"
"docusign=1776cb70-3cd4-4c25-89a2-ee4f106446e3"
"00Do0000000L5qU=1TBPY0000000NO1"
"rhino_accounts=138c384feee94c5af7986541f3563faf"
"yahoo-verification-key=o7CyMAWt6WG/gQQPyDS7azHe/veRzjtmOl6wHVX2xi8="
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.qualtrics.com include:_spf.elasticemail.com include:_spf.bigcommerce.com -all"
"SFMC-vlZQwproWZGuTOfeULD9PeZ-M6Kj2ChRUEVLfxLa"
"Q6XH8UJNJY8RAEK5OGF16RK06KWPPSOJRUCVFDONT"
"atlassian-domain-verification=w1Vnx74PWwnRh8xaWLafsIvTw4UaxXmknBaw1b4bCU0ab5qH8lMhbJeeghxa6JFJ"
"S4u39ZpHeUISu0tZ2d4bTrQVs2OwEcyFfT5Enr81rpGmhE6I/M4Z+IHKQQSBxgyZFVRJha7RZ+IQAhlQiaw3fQ=="
"atlassian-domain-verification=2GIWDY3gXLlRG5WRwCJ71M3gHXckr1svB4rsFD2vL0MUMZwiiZXimb/m7w/wnwHC"
"ZOOM_verify_6QcffFUVROylmjju7sE-Ew"
"lw=69d119fbeebafcd4e1b33201"
"d365mktkey=69lM6oc3axNCHTdYEomsUXFt7NN9RDACxuz3vvFEOlEx"
"lucidlink-verification=2GV6QDC2BZSG1VW448ANZB16RM"
"docusign=100c978d-3f38-4d49-a7e2-fdd782c5922e"

NS

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

SOA

1 record(s)
dns1.iu.edu. dns-admin.iu.edu. 2002093209 7200 3600 3600000 300

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 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.qualtrics.com include:_spf.elasticemail.com include:_spf.bigcommerce.com -all

DMARC

Configured
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyOonFxLkxQj6IzzWSYtsjAvzIjGbkf2uZWEMMshrWEM3tWBpA+5Kl2pCht1Iz8M6soKldOgddedE4NQYFwfzrgXToxmvuSm3B5aNnVUF1flZBNDHZXNOjVU2N+FKeMJIePH3ZN9vxw9f7pjHwUc7G8izGxxsPQR5xYzvMEfPf1wSNHApNIF5ukt6jdoEemmYarPZpotiVh+/BdDe76NYL1kmM/tXoaqTRWaRielnyuavuW3Cwtv3uew+R+Uq64XxMFBLULuANWQzaLEQSzuGhMAjaOBJpDknWGTTNhFQtlG1NvYFR6smqXWBcCgtbttJbAXhM3XAM4i0Pt/jMmfUJQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Bring On Tomorrow: Solving tomorrow's problems today
Description
Indiana University empowers students to succeed through top-ranked academics, groundbreaking research, and service that strengthens Indiana and beyond.
Final URL
https://iu.edu/
HTTP status
206

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
InCommon, LLC
CN
iu.edu
Valid from
2026-05-18T19:00:00-05:00
Valid until
2026-12-03T17:59:59-06:00
Days remaining
116
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

1 active
—
HSTSNot detected
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
✓
X-Frame-OptionsImplemented
—
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
129.79.123.142, 129.79.123.143
48,39 ms
Cloudflare
1.1.1.1
129.79.123.142, 129.79.123.143
44,87 ms
Quad9
9.9.9.9
129.79.123.142, 129.79.123.143
55,51 ms
OpenDNS
208.67.222.222
129.79.123.142, 129.79.123.143
65,66 ms
AdGuard
94.140.14.14
129.79.123.142, 129.79.123.143
83,73 ms

IP, geolocation and ASNAssociated network information

129.79.123.143

No data
success
No
country
region
city
asn
organization
isp

129.79.123.142

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

iu-edu.mail.protection.outlook.com

Port 25: Closed/unreachable - 35.3 ms - 
Port 465: Closed/unreachable - 4020.3 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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