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Total

DNS

Email

Security

Network

100

Availability

Domainupenn.edu

IPv41

IPv62

MX records2

StatusActive

Domain technical report

University of Pennsylvania

upenn.edu

As America’s first university, Penn has a history that dates back to 1740 and shares many ties with the colonial city of Philadelphia and the birth of our nation.

Generated: 2026-08-08T18:02:44-05:00 · Cached result

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IPv41

IPv62

MX2

NS8

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

8 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

89 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

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)

23.185.0.4

AAAA

2 record(s)

2620:12a:8000::4
2620:12a:8001::4

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxa-00390e01.gslb.pphosted.com.
10 mxb-00390e01.gslb.pphosted.com.

TXT

9 record(s)

"docusign=78297198-f708-4232-b63b-9ce516ae54a1"
"onetrust-domain-verification=114427d55783472c9c6399070d36a7a6"
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com include:spf.penno365.isc.upenn.edu ~all"
"0850FA77764BD1CBAEEDDB31282A3244"
"KO71GJZC894IG1PGQC0AIXUV2G6A8EXBGSMTW1QX"
"anthropic-domain-verification-3mac1g=J3Hgt9mjdh1LaP7MtfIfyPJBv"
"atlassian-domain-verification=maiZsC5JWjh1XYgMeCPA+Eu/1WPEcyn+n7TzXs5ukNzEV/GQRRHFl4jgohfUpHvV"
"jamf-site-verification=2LcBmAh3gm8z6JsJu3k_cQ"
"google-site-verification=USSLz8fKaD900NdBD87OEjo0zVYS1RwVyebE0-rN1II"

NS

8 record(s)

adns1.nnn.upenn.edu.
adns5.upenn.edu.
adns6.upenn.edu.
adns3.nnn.upenn.edu.
adns4.upenn.edu.
dns2.udel.edu.
adns2.nnn.upenn.edu.
dns1.udel.edu.

SOA

1 record(s)

ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002614223 10800 3600 604800 600

CAA

0 record(s)

—

Not configured

DS

1 record(s)

17409 13 2 DE945B7C85D05E161B91854F68B44FF83404F2B44359E28687BDEAD6 C64BD6BE

DNSKEY

3 record(s)

257 3 13 l9WybMQup0tcaipIc1S3k1KQeuww3qsEicDe7P7jdDmUthiqr+/Dtvub FoCAqe7Ad9dsPTqqEXvQ386wOPmoHw==
256 3 13 1YC3eMMDYcRuiCGBQD2Pr74+H4ZWG9NGImM4M63YQ2K6zoceFo83nKYR ByucdKU3C48XzG8/FV5jGFEVz2aFfA==
256 3 13 QLpiDMMtTmlP/6XFxvc5Gk2x/2qEwqdgEpbZaLbWlRLbSKSMxLWIfMnR 8idT4WoWi0B7zVRm8WxmxVZi9VwrFQ==

RRSIG

3 record(s)

NS 13 2 86400 20260823211005 20260724204639 53469 upenn.edu. c8Ca9ZJG8pu4YUm6ed6D6+Z74hth7Vl1duOu1E53QX37atXQmItAgOEr aizshjnRgoR8+gSlcpF8mCncDrANYQ==
MX 13 2 86400 20260906212822 20260807210535 53469 upenn.edu. SSyZfRRPAsaB0Jn+Jla07L7JUFirHlWF5/FxgZPzJXk/P+Hn+28Zm0ZU 7V7wEF7wD+JhN/OsXSXihhPVOagj/A==
DS 13 2 86400 20260813033312 20260806022312 6705 edu. Dj6tSxHEvT5yw2nxCHlQU1v+7LLa8E/00XuZlYxkOmc3pUSLpOA6/JBS IexOG4kL3I0xkALIQR9N6MkBF+8xiA==

NSEC

1 record(s)

_67ca153e87707bd27c91ad503da75308.upenn.edu. A NS SOA MX TXT AAAA RRSIG NSEC DNSKEY TYPE65534

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.protection.outlook.com include:spf.penno365.isc.upenn.edu ~all

DMARC

Configured

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

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCNeHlqDPr2/aIuwra7iW7NgbEOk65Nd2td2bE1KUeJYNq2iMlcksHjN43D3BjnMWcTHJvsaZK9iqbwZXtQV8D/c7MK9bzbnkrOSf/8IydVP8+NxiJxQEGueDDQohxaVnTu2SC7ArZHxJBMIS8ISQW3Gras0yfjVwSC8MR4HYmtGwIDAQAB; n=1024,1457571747,1473469347

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

University of Pennsylvania

Description

As America’s first university, Penn has a history that dates back to 1740 and shares many ties with the colonial city of Philadelphia and the birth of our nation.

Final URL

https://www.upenn.edu/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.upenn.edu/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

home.www.upenn.edu

Valid from

2026-08-08T13:21:09-05:00

Valid until

2026-11-06T12:21:08-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

3 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

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

23.185.0.4

39,90 ms

Cloudflare

1.1.1.1

23.185.0.4

36,13 ms

Quad9

9.9.9.9

23.185.0.4

47,58 ms

OpenDNS

208.67.222.222

23.185.0.4

52,76 ms

AdGuard

94.140.14.14

23.185.0.4

59,66 ms

IP, geolocation and ASNAssociated network information

23.185.0.4

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

mxa-00390e01.gslb.pphosted.com

Port 25: Closed/unreachable - 5026.1 ms - 
Port 465: Closed/unreachable - 2362.1 ms - 
Port 587: Closed/unreachable - 49.6 ms -

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