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Total

DNS

Email

Security

Network

100

Availability

Domainumbc.edu

IPv41

IPv62

MX records1

StatusActive

Domain technical report

Welcome To UMBC - University Of Maryland, Baltimore County

umbc.edu

University of Maryland, Baltimore County (UMBC) is a top-ranked national university with an inclusive culture that connects innovative teaching and...

Generated: 2026-08-09T04:38:42-05:00 · Cached result

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IPv41

IPv62

MX1

NS5

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

5 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

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

42 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 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

1 record(s)

10 mxin.umbc.edu.

TXT

22 record(s)

"google-site-verification=AGF4kWdXql9DWgUO8kJf_jPBmqT1H6WsUPIGX20FFzE"
"v=spf1 ip4:176.31.145.254 ip4:130.85.0.0/16 ip4:34.194.230.233 ip4:34.230.107.215 include:_spf.google.com include:mh.blackboard.com include:spf.protection.outlook.com include:_spf.academicworks.com ?all"
"apple-domain-verification=UBZIMi8zrC9IoHEf"
"google-site-verification=CZdGLsbiltmqC5-2J3kp9I2rbKpSrmXGbgok_K3pP_c"
"canva-site-verification=ZwCYjofoyy-LAblE1q_PjQ"
"e2ma-verification=30fcb"
"amazonses:5Ig0nUCHQaSuDREQBSQdfBNjCWLAfbaqjIGuaOKwjCw="
"ZOOM_verify_eJO6ERd3d4vB0LfvJQLpQm"
"b2ea09e7-d5cc-4f05-8e5f-4fd8a3b77754"
"atlassian-sending-domain-verification=5f76a00e-c69b-4037-8323-1af5c4db3f99"
"221D4CE83BCCD8A2ADD810A74849F549"
"e2ma-verification=qckbb"
"docusign=139f743c-ee8c-4242-bc29-018380e725d1"
"smartsheet-site-validation=JhSCbxw7wX7eCT4G3xhhiEbvHkI-Z8K3"
"jamf-site-verification=kPdT9OXdjhUToLYf7TEj1Q"
"e2ma-verification=20fcb"
"atlassian-domain-verification=wmmJH/d6HSSunwA8a9RXFfnPX30yiRU1UFWm77aRncWH4mIFTi/v0SoVWDxaEFcO"
"google-site-verification=KUnf_9RHLz7bdEdAAiZWZl3a0htpseavDZdDSrjnhF4"
"6479852DB14B68A574751F2BD02B8610"
"docusign=bce67f31-88f6-4139-a4af-9036ef6b9aa5"
"e2ma-verification=w1fcb"
"google-site-verification=aq2r8eEF9ahoe1Kfwl8WsU9eimb74eWZ-87kEdpkLtg"

NS

5 record(s)

dnsexternal4.umbc.edu.
dnsexternal2.umbc.edu.
dnsexternal.umbc.edu.
dnsexternal1.umbc.edu.
dnsexternal3.umbc.edu.

SOA

1 record(s)

UMBC10.umbc.edu. HOSTMASTER.umbc.edu. 2010378742 10800 1800 3600000 21700

CAA

0 record(s)

—

Not configured

DS

1 record(s)

62866 5 2 128DB54504131167804E3E42E51235F5A5CC82697DB90EBEABF13725 DFBC1987

DNSKEY

2 record(s)

256 3 5 AwEAAbWdL5rLdHqYVNtfiqI2C767XaXzG4wg0p8q+HboF/42Ri0CvRHw kPh6pnh81JGp45dIEY/si8gBhr6IaZ/Eik+VybWm7+Xh0zje61IFV4yE w969Ikgyk0N8w+PUrQqeCbtY4jTrYhp9oHNTHCquv9Osyh6eRK/Gz9++ TBUSu+vf
257 3 5 AwEAAe8OT/MZSf+sSY/tEXgitV4dFRVh0WySo2ViiMXkD8EWOJlbQNH4 aYaiw6Y09C0cDj6RVBa+fgJAIEJYxfxEgOvFYGfZ8I8LQwDSTYUtOhSA EGA8OOun9TtcehMl0+xfy0uIbuSwq8YMyEJhM02lwkt+uXiz+yv+aNlD kVFk4AMXBVFRbe/YgpKcHk8+bdcbZKDlGYp4lBNFOPiBo+Uxbt1AmKLl jFSJF6KBdBCkfQjdCrPcwFniz30vMfTHGVgKNYAe2P6QOzW60O0jK+gQ kXZ3oWE2o96O2scieNQm+MBxLYtTNtZjTKUfuyL3Q0x6lR6ilyTE+rVy yMhxLmDFB4U=

RRSIG

7 record(s)

DNSKEY 5 2 86400 20260816233932 20260717224947 645 umbc.edu. HamTS2FsEXz6u9ruHxU7OUCDWgP9u1Q8pnPMgKd5PD0OBR09TahCz2l/ rJti1qKx7X2SbIW+vW8y4vqagbbobjgw6ga8ryLRX59YOsk5aVBP01fj RY2L71dikgZ4jaTM6WV+p1xHKWI6Zzf1nocXGjYyDdtecCzBhvPpOS3r ZEA=
DNSKEY 5 2 86400 20260816233932 20260717224947 62866 umbc.edu. lbhmcyL+0XUMX9EFvmHEr/uTZUPiT+o0JJW2osM7VMK2p3ZQ8v6E9zfS JrhDHmPNlwN4Mmh9aNkX5ZQKAAl9Y52QRoMpsHv8rnzrZxyEiwsA543x EASZv1/kknNw7nQ+R0xBVrGhwdj55Rl7tAcaFg0fOP6iYlKC27Qi6vB7 8ihQPZeZHCGSWbCOr5O/Rg70XXsjwCpnWdz08ii8dUmjTAmxmL+dToCU fUXdC2n3s2TLehTFJg3GVrRnlOFJbrvadAaH+cI46V4T+6fIiz3IZW8H qwrL04XG5S9T7Gq00y4PMa+HPSO8ltof2SJdwAE2Sl19eLHorNrGZN1L BQRATA==
SOA 5 2 86400 20260908093727 20260809083727 645 umbc.edu. rTYoiRCsXUPQ7hK4Pj0v28uZAxUBpUhobmlhuJmUbeVJwrQyOO3/oHA3 75/grV0SbjZaWdx2exLMREa7GJeAE9B0pgSF1BGLR6Pj56r606oxHPt/ RgFS4OKtybZd740jDjy/d+wV1cbQk0agJy17a2UFq/Ne6AoWCH2V6ZVF dLY=
NS 5 2 86400 20260827141758 20260728134057 645 umbc.edu. bnqKbCOa88uzHXx1kteJygnaFldBq/ufyKo57tX8edD7mMYGFN4Q88Iy sKa/ApbbVULBQG8Xhyd4FjMm9Db5U91xF5VbcndUgrterAnhP/1eIrOC 8YSqECxzEm1AKf2jKOTMMRPX4IhZ4dzayRcJRLkKYWc1zQ2E72+WdqWS 5dg=
TXT 5 2 86400 20260831040918 20260801035536 645 umbc.edu. q5EelA2b1mVcgfRLhR5FTx+YgQuHWal+ZV81cbQAljF8ocK9mFxnGxXE baVtcncSgzd+xnY7hDfJdefq9vrGSuosFumnPRdsmYKF73j1TqHHsFjR kOFNIR4JulaWSAb3J6l4HO6ptWoovy6wQJdxeNbEathjS06UzAB8XrLn wQc=
MX 5 2 86400 20260816202935 20260717195611 645 umbc.edu. P9hvYG3VKZkAO5d1AeydDjd3Cn4TIPcJsRtyUgLqwV/GV9T3v5xT6K4K GizKite6uHIx4+SbUBPYA4am8JK0Eo48IT2Nrbe0BDgYDe9g3l7DG5vz lGjFZQHCk+p0CScXevLeQV0/5LztaN/YlzK8RScmK6Sxd75u3e7q7j/A ZuA=
DS 13 2 86400 20260813033312 20260806022312 6705 edu. 243PWhkfxw9npfVkckFoDAl5qIMn73UNDArYfX8ktzfUKYQtgitU1o61 y39YmqLNZapYXGVbHZ0KAbfOWR4M8Q==

NSEC

1 record(s)

2564726.UMBC.EDU. A NS SOA MX TXT AFSDB AAAA NAPTR RRSIG NSEC DNSKEY

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

2 record(s)

2 0 "s" "SIP+D2T" "" _sip._tcp.umbc.edu.
2 0 "s" "SIP+D2U" "" _sip._udp.umbc.edu.

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:176.31.145.254 ip4:130.85.0.0/16 ip4:34.194.230.233 ip4:34.230.107.215 include:_spf.google.com include:mh.blackboard.com include:spf.protection.outlook.com include:_spf.academicworks.com ?all

DMARC

Configured

v=DMARC1; p=none; sp=none; ruf=mailto:umbc@us.cp-dmarc.com,mailto:postmaster+dmarcrua@umbc.edu; rua=mailto:umbc@us.cp-dmarc.com,mailto:postmaster+dmarcruf@umbc.edu

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsNcc+Caofr3i8pZ5b0IWFYmsxzB9hNE5aj6dUdFv8iwyqRIlTaBTp0XalaJymPwrCRXz+4QfyYaGWTGHOVhdUyKsMxgDpOEHYBueM7RYMJMjtWIQMm/ZPUul8Tvwh4rhR4pCLNtHzshgDBankXeAqOktcozFs53VCUQctP72NcNLs05GiyIKgbd7Bj45eaOA8wIYMbHU22iyl6NXFE/fBbQpR9J7s3jPs4+GToBY4dy41tAiL9C6N6kCKfVWnPYlHaztEBoVUbKnjxiawKZYFpSA6Ejt/XpD1fjsUvaO1ZnheMHXMdk4M4ltdlV3NCo7DSyQcG4Mr/FV9C+33mEQHQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Welcome To UMBC - University Of Maryland, Baltimore County

Description

University of Maryland, Baltimore County (UMBC) is a top-ranked national university with an inclusive culture that connects innovative teaching and...

Final URL

https://umbc.edu/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://umbc.edu/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

about.umbc.edu

Valid from

2026-06-22T08:08:30-05:00

Valid until

2026-09-20T08:08:29-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

1 active

✓

HSTSImplemented

—

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

23.185.0.4

72,60 ms

Cloudflare

1.1.1.1

23.185.0.4

92,97 ms

Quad9

9.9.9.9

23.185.0.4

58,44 ms

OpenDNS

208.67.222.222

23.185.0.4

64,58 ms

AdGuard

94.140.14.14

23.185.0.4

76,19 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

mxin.umbc.edu

Port 25: Closed/unreachable - 44.2 ms - 
Port 465: Closed/unreachable - 59 ms - 
Port 587: Closed/unreachable - 27.2 ms - 220 mx.mail.umbc.edu ESMTP Postfix

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