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Total

DNS

Email

Security

Network

100

Availability

Domainuchicago.edu

IPv41

IPv60

MX records2

StatusActive

Domain technical report

The University of Chicago

uchicago.edu

One of the world’s leading research universities, the University of Chicago inspires scholars to pursue field-defining research, while providing a transformative education for students.

Generated: 2026-08-08T18:17:42-05:00 · Cached result

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IPv41

IPv60

MX2

NS4

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

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 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

173 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: ec2-3-215-148-80.compute-1.amazonaws.com

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)

3.215.148.80

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxb-002fc702.gslb.pphosted.com.
10 mxa-002fc702.gslb.pphosted.com.

TXT

48 record(s)

"_jtcpdy05qwrc936dd47ruqg7b9ycboe"
"dell-technologies-domain-verification=uchicago.edu_0718c7f9-c711-4d06-af7b-4b3e542f8bfd_1709675973"
"_6a04w8xq8uy4zkhm9zsc1d155v9fw85"
"e2ma-verification=7r6bb"
"MS=ms16652851"
"atlassian-domain-verification=KHv5WO2aIDITZzLBSr0CHScHYmV8wSQTssUI8AQvti6i2XkcL0u/dAdcG49Sty2d"
"mgZjjQ56tRLa5lXSqvX0NwVqWp2den3qJ6gJ02qxnATN8mn+29I3eaO1QsPdVaBfUNrjyNBg0Yr7l9HvgCFzkA=="
"notion-domain-verification=I8I8bxQfblcU2PnCMNnJ252IpStFwQpocWU5RVeiGcE"
"e2ma-verification=wyhib"
"anthropic-domain-verification-h4xfks=DANIrUCPNB6M2xIX7kRtIaL3j"
"ms-domain-verification=bf272ab9-d33c-41ef-9227-285020dd43c5"
"apple-domain-verification=V4q3pWzlXns8FwYs"
"61669CF51912E5C87DAEB43DA0CAB76EE0228673D4538FADF36937E5D70C02C8"
"solarwinds-service0desk-verification=3bee03882b802dbcfadac5b0275e8375"
"cloudflare-verify.cdcshoppingcart.uchicago.edu" "=" "923282984-1139220843"
"1password-site-verification=TN6TZ2XIGVGOBDICLF4CQQD7OY"
"openai-domain-verification=dv-b09uZIIr3mLI4GDLDdEe2zjM"
"649045D00B4A2C1C77FC29A47A552161"
"fastly-domain-delegation-msyb9pw3vbuhw6pjn-03-03-2025"
"sitecore-domain-verification=57b284b71de449bd9625481f78d98efc"
"8377E9C45E97105F5236271D24BBA204"
"_fcls4rwh2lva5t5risnf3grvrl6mk1d"
"facebook-domain-verification=tboa878nofaaanhghtjo1kwze0cm1r"
"e2ma-verification=vv3gb"
"google-site-verification=X4HjY5FSukG984V8tDYDEYgRE3Y0z_Ece6_y3i7yS_k"
"asv=68279e276e8c891f5eb62a89f5cc12f7"
"_rqc5ogctmoyosmv56nvzvy2qu61lw21"
"v=spf1 ip4:128.135.176.0/23 ip4:205.208.106.0/24 ip4:167.89.0.0/17 ip4:198.37.144.0/20 ip4:67.231.145.199 ip4:148.163.143.251 ip4:40.79.65.134 include:_spf.google.com include:spf.protection.outlook.com include:s1.uchicago.edu ?all"
"4gh9ifdb9rvcghraipjl64n1rs"
"atlassian-domain-verification=wQZJpWSihT7D6jx6GunzDqznM0HlcXWBVYh5LBkLQmBbdMhgZ1uoz6lv1IN1WJr4"
"formstack-domain-verification=8461eefcc5258c4487c21707dc741d8e"
"d365mktkey=tkgrLNlMjlYxAXQ1DTHiFIUYvBD3VaZXrx2ubqRxZrIx"
"04FED5FBF242E17CA09EADB1C0A7DC69"
"sendinblue-code:56fef5f252f2b542a17d1fda290834ee"
"d365mktkey=hhKQx7KDmfLj6px2wO1BA7juhW1fkMUjmuJgmgpLswYx"
"5e8ba606248599ac1230346274e5478c28729639618882b65b89452655f7baca"
"00Dj00000028dIy=1TBUQ0000000AH7"
"globalsign-domain-verification=0a-6rIT-p01swJcsjUfmuJtWewYCUhlZtpG8KXHN3-"
"google-site-verification=76OrfKn9k44dGwt-aOLTY8yK0lCWR6PYAXS99nFqBe0"
"EBF82CE5FFD51FCB400897A1C1F3981C"
"jamf-site-verification=T27LjycoYtvOD0DfaMDDjg"
"56tc65ukam9agll0hj5jm23lv1"
"box-domain-verification=a05d1b0801411db67f507b3e1b437cd16794308d437116cfcd955e044feed23e"
"canva-site-verification=vpi_9f6vKkap8fbj-cLNIA"
"adobe-idp-site-verification=3de1049f726cb98ba6f91a88d5a199a7a0144ccfbba4fb24b135374e01306d99"
"adobe-idp-site-verification=740c17ecc9161a756a2009c89a46f06d8ed8fcbcf5cbcc5929b161e89d64767b"
"00Dj00000028dIy=1TBUQ00000000T3"
"smartsheet-site-validation=2DPkXbZLP1hLI3_U9DT7vGT3Ie5DWsEI"

NS

4 record(s)

ucns1.uchicago.uiowa.edu.
ucns4.uchicago.edu.
ucns3.uchicago.edu.
ucns1.uchicago.yale.edu.

SOA

1 record(s)

ucns3.uchicago.edu. domainadmin.uchicago.edu. 15350675 7200 720 2592000 900

CAA

0 record(s)

—

Not configured

DS

2 record(s)

34262 13 2 0E28E634BA13D7BB093C72D76BF98352926B656A1A39C7FDA4EC99ED 318DA9DE
29438 13 2 6D8CDAC45248487BEAB6E62731FA42067467F777F3AE59760B5A9655 1AB9D73E

DNSKEY

3 record(s)

256 3 13 a0Ipz/mFhIXnEHZqiSlcxoiIPZB4v8fnoK1KAyFPWpjSZm2pz6qZSNT7 lf849EH+ZwofyzQKz1seJRoUkVbsGQ==
256 3 13 IqixJbpYuZ9zYT3N9QIw90nR97yppCtEUDY5JCnjFa/OUjVN2fFhuuhb vGx28ShpLnu9Qzyw9qil+OFisICQ/Q==
257 3 13 oxnluhf+E7hqiZvaEFjVrNiw1B0ZXOaD8BDUYkbAA67hCWdONvPqWj9o 3FCIZtAmw5h49E88l/0Nz9kA+VBDbw==

RRSIG

9 record(s)

NS 13 2 3600 20260812222913 20260808220724 28097 uchicago.edu. 2v6g70VP1q/Uy/2LPHGM3g/lpaOLHWvcv4dQduxH/sGZu1bzA9uT34Jg 9kgsucsIORhf3HRsEXUPYtS6ub7dpw==
MX 13 2 300 20260812004315 20260808004034 28097 uchicago.edu. 23JyWmDWsvWhdKVoLKKONu4HxB2TpxlYqZm1BMt9ApED+u3UpbbteRv4 UgdEfv7nUNfvHirRO7mD3BpdLEPDRA==
TXT 13 2 300 20260812042233 20260808033739 28097 uchicago.edu. rW5Am0M2GjhNwtRwXHdaiHdqRVju5osZIb2q3sYsTIjgOkaYsGdZFNh7 uJVJFBWvqEkGrLx/8PpKVur92nmmfg==
DNSKEY 13 2 172800 20260812105354 20260808103653 28097 uchicago.edu. R1hFOve5v9pKOcLtWHTkGC6pPeLq8/+jytnGxdM3fG7iiXNPQ1w6AX+m urAihMRQ47j7z8ccEDpEzKfENfPi1A==
DNSKEY 13 2 172800 20260812105354 20260808103653 34262 uchicago.edu. 37ru276WZpsoRtutOpr+olEVh6kdauvRlxHHSB7qJzV3dugZACNSSpzw fFvTgfysoyVpd9n7+y7DObcOryHhnA==
SOA 13 2 3600 20260812231633 20260808221633 28097 uchicago.edu. rjIcz40N4M3FojIJ51zuyIeOqbd/OLWmBFj9B3Mvisd4iafI39kUUNB5 vzo9RQg1NmuDjXm5DEpxJzbZal38dA==
A 13 2 300 20260812222913 20260808220724 28097 uchicago.edu. sdpmQIH0xF3qG+C1N58gSYjoS+C8UmhAaquankEW7rhYpAiSI6XhD03b Svo9EvPwhcZi1TehZTIN7waZKGxmCg==
DS 13 2 86400 20260815033206 20260808022206 6705 edu. eq3B/YjSdksrCWCMIj9RwURavYaKId829w8xsQKa51kJTWx1OVeFibGp atEi5nK+BQjIkRz77oAyShKDyVIJ2w==
NSEC3PARAM 13 2 900 20260812044052 20260808035649 28097 uchicago.edu. qDfuxdXzuCBZFt7bhh42BQs6xxT2NExgSjNzZVglW89SWW2552DgCdhd UFF2aD3TxTvmZOJ05mqVZN1hQXEtog==

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 ip4:128.135.176.0/23 ip4:205.208.106.0/24 ip4:167.89.0.0/17 ip4:198.37.144.0/20 ip4:67.231.145.199 ip4:148.163.143.251 ip4:40.79.65.134 include:_spf.google.com include:spf.protection.outlook.com include:s1.uchicago.edu ?all

DMARC

Configured

v=DMARC1; p=none; fo=1; rua=mailto:w7oy1be3@ag.us.dmarcian.com,mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC096yLPiRZ0xvHuSZNc/fMEtQZozFODA5ydRfitfeOi9EF4kDikQIKFsKgvC8XWtK6Cqr5s25cE6UgxOKoVEw4/fXrYYexiCh2ILhMcT8hOJf9EFNfPwL7JOB4zZD+wzuvLRuSjbBByuWE0+P+wNwCZubnxLF6jNAVemFzxD3dpQIDAQAB; n=1024,1458625072,1474522672

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

The University of Chicago

Description

One of the world’s leading research universities, the University of Chicago inspires scholars to pursue field-defining research, while providing a transformative education for students.

Final URL

https://www.uchicago.edu/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.uchicago.edu/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

InCommon, LLC

uchicago.edu

Valid from

2026-07-13T19:00:00-05:00

Valid until

2027-01-28T17:59:59-06:00

Days remaining

173

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

3.215.148.80

43,79 ms

Cloudflare

1.1.1.1

3.215.148.80

32,44 ms

Quad9

9.9.9.9

3.215.148.80

42,61 ms

OpenDNS

208.67.222.222

3.215.148.80

43,47 ms

AdGuard

94.140.14.14

3.215.148.80

82,61 ms

IP, geolocation and ASNAssociated network information

3.215.148.80

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

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

mxb-002fc702.gslb.pphosted.com

Port 25: Closed/unreachable - 28.9 ms - 
Port 465: Closed/unreachable - 21.5 ms - 
Port 587: Closed/unreachable - 77.2 ms -

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