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Total

100

DNS

Email

Security

Network

100

Availability

Domaincharlotte.edu

IPv41

IPv61

MX records2

StatusActive

Domain technical report

The University of North Carolina at Charlotte Homepage

charlotte.edu

Generated: 2026-08-10T06:42:47-05:00 · Cached result

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IPv41

IPv61

MX2

NS4

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

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 policy5 / 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

82 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)

23.185.0.3

AAAA

1 record(s)

2620:12a:8000::3

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

1 mx1.hc4583-82.iphmx.com.
1 mx2.hc4583-82.iphmx.com.

TXT

22 record(s)

"google-site-verification=yYjVOWwhv66RSHxOhAUIPryezuKzGpB7C3MD0qljBDI"
"iContact1776799"
"facebook-domain-verification=1p98difw2upzx0qtbqe6k6psl5562u"
"o1805k0a1ud5ahrl476scrff42"
"apple-domain-verification=0nsy9inSu4sQGKbR"
"iContact1917949"
"iContact1778924"
"iContact1766531"
"MS=ms45338551"
"MS=6E14CCD6934CC18073CF3A84C3641E388560F9DA"
"jamf-site-verification=gHjRb5ROLxrj_qSUnAYzZA"
"dropbox-domain-verification=c97svqodohyl"
"adobe-idp-site-verification=7c1664b07ddadfa13f81a70c484662c66ab7b959bc22ae10fff9d8aaeeb48785"
"google-site-verification=AaFcce_i93DvNIoxyx6DbZs-TPrpVZ57I9Po1O1-etc"
"smartsheet-site-validation=qr8fW_ydjTKFgdeg2eRALVdoCSuFtW3o"
"v=spf1  include:_u.charlotte.edu._spf.dmarcld.com -all"
"mu9r6pr1pjekegtcokh0csd0ct"
"google-site-verification=z2SsvR82sWUe1tvkXxLEUBJh3BxFrtag-mJkrxOz29E"
"google-site-verification=8kQ2UVND_smEF3UDMcrlzY2C4Z7RrE-fip0pOYHHAdI"
"atlassian-domain-verification=uzTaBdDKN9RsfedzmSoMkyHaVHZgZkMEuiY0HkgiFyFkBwJ/wrycMGnQYJIHTJEP"
"atlassian-sending-domain-verification=8406f950-e892-47f9-9dc3-09be6a2e250a"
"iContact1931094"

NS

4 record(s)

dns3.charlotte.edu.
dns1.charlotte.edu.
dns2.charlotte.edu.
dns4.charlotte.edu.

SOA

1 record(s)

watchtower.uncc.edu. hostmaster-group.uncc.edu. 421996 10800 1080 2419200 900

CAA

8 record(s)

0 issue "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/9293136"
0 issue "sectigo.com"
128 iodef "mailto:hostmaster@charlotte.edu"
0 issue "emsign.com"
0 issue "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1726001367"
0 issue "digicert.com"
0 issue "amazon.com"
0 issue "godaddy.com"

DS

6 record(s)

10604 8 2 28E826D19220A25255399F67C88A1D12AB90E52EE834E3121C699C2F B05D7B46
59155 8 1 0BF428B0317F3EB11CBC5E51DCAC9FA4F057C96E
59155 8 2 F3D7641805DD3EE0B5EF9AF021252E324B27506CDC2E199B2BE6BF29 89474A7A
12350 8 2 1BAFF759F0739293226DE01927A3AEB4DBE56EC7C1F78C608AF3A4F4 C6EBA746
8707 8 1 CC7AEAC43C3F6A4385973AB0E8250BD0393432EE
8707 8 2 248FB84F4DDD75CBE2D47225FABBEEA1E53C3D08674DE67900EF258A C2B38B4A

DNSKEY

4 record(s)

256 3 8 AwEAAenZMw2eWpZFG3Br5jOjSQwTuA/xaBKw3J9+upCUT6PZMBExeXjS KYNGh85oJX9wixDF7eiGdaI71+9XgrZalIRT1eu0PBtRgTwcZOpFVOIr BB13hPrlT4rsmv9CJ9hXobXOcys3h3aVQIoCjJu3guzWwcYUL5NqigIS 48Gvpqwl
257 3 8 AwEAAYiHYMJ0GLiSFpnOyQ5J0eLItaGAkPhHXEFOXXt5ihaqYYTa0ZOl /h8n/wLFpnTyCLnqDt4Ma/3340K0p4e3XyGkUrXvasV0R+jtDDIDX2fo xJ6O19qaBpCeNlbFHNPytFGTSPEymwQE+oZnI7UKeiqMIfaxlV3Gkac4 B2h5QNN2qM3Ad7z+zzr83KWgpB+5efNpkBYpaAzD2hx2lVlfxjXrF0fg 8zlppH2rx2LV6alcsvBDxuIbsVnpI4CWeJ8uWsA+9hsls9flQJD4sL8h FF5kEmGEjZ9QPRz0d/RhCjXUHE2QPuCYC5PV0QHLbAWCdEhsK2iea4fr quCmIemWF8c=
256 3 8 AwEAAbJS/3zvWHCS0xZxGsKoZxRRNrsAOsPjlafUn5hcIi+mo+Qo0y4T ICHDaxcJLHBSlO9ke6JgEShG6r8DxSyYUPXy714f+L9mn0w6YDmA5OWT GjLVgVt3NlgKErDXD/TVMXrTtk1kM2fwe2MQAr74WhhS+OwsAsV9B84/ Sb07FHKL
257 3 8 AwEAAZ/SL1so0O7D7WAH2Ehaz2yPQj2X8VqJQCjqVW9IiDkPq2smnCfQ MpOFoZnUgyYNlyQzOzvt96FjLtNsqnWTpJqHtamjrm8bC+NBRUKHUoy5 lbeP/eYpwEaCZwSTS16c1Cx2ZqJrpFj0gGxsYF+aC3yghef1e4KwcJ1J 0wGjBcmzeoT6dco385aNsSEw2imeSyNlDRRApDUu8YW3q0xCgoVYsx9N LtpY/NQ/rTnzxKG5HPvXpQ5ra74WvOn2ioobJ31QX+IPELq/rOqp7dGX bTcpc+WDJmNnzzbB8/JB9UUU+ogpVaGgjfT7+Bqjqff8k9ADXOvEQi7e yIv4Q++IoWs=

RRSIG

6 record(s)

NS 8 2 30 20260813234805 20260809225305 62575 charlotte.edu. BGiJbdeQB3f66c4wiAIeGcUYxJn8PJ7IlsJFqpotU0Ep/D/joJcQveUi QyuifcOxpxnQZLMGT/wzpKku7k5aifgVgG/gExy1Dp6H7dEnz38INfMf DcaAObh7XcAB9Xt+R4Np9OanoKLa5SU+uyGHYbZ3RydYOmH1dhI1cFmM nnY=
MX 8 2 30 20260814023826 20260810022504 62575 charlotte.edu. 3IuC5ZYYitS7hyY+YjXuA+QUFI90R2jOgEkQdEXUj3m+CUomGopdkIjY FCHW/fagspMU7GCyIf0xUVEvnneCbe/Fd0Iw2pCNDUQhjfA5743vk8Yi iIivOo0C4XCU+3+BKh4rNKVLF3AHW4ZxgKFOLDHdbJ+4/GXmIMnxaKIS iCE=
TXT 8 2 30 20260814023434 20260810020231 62575 charlotte.edu. FjfzL9v1CdC0rxPtTnOWtc9PNJKRVY+a6Kt3NYd54joHKUxj85wy6Yl7 3kBdjWdwCYPxL6FjsZZFLqDImzMBNOS/d+wY4n7alRDitNw/dv5Ptznx jSRmvecGW0n4qfjybQbVfjOuui4pu1WBeZgH4UhQTTpTO3jcNL6GWXJZ eFc=
A 8 2 30 20260814085531 20260810075531 62575 charlotte.edu. qRKD6a5lHKAGMy2sBYwtRvN2ht96ohnbNUkDY8yqm1wKl70HdedbQnry sjUZenu5YAOUB+UzZOdlW+//9nrKWCixo79LcN1BXj1BjwuyU67NkgY3 mDjsUet3VOQt7+rqGLYl75D8zJK3z4N0FpToAPKqOInX28ILsWxGA0+X CLQ=
DS 13 2 86400 20260814033305 20260807022305 6705 edu. wx/vsQzmVt+0PLkWnZMQWwB9YyU02H7TpZ83s0j9871790FuB/G+ZVBK DEPnlB0p2+si9Us+voEtVXFrsuWVsg==
CAA 8 2 30 20260814023826 20260810022504 62575 charlotte.edu. 6Qof+lz45JZNiKB8ndcoJxLH3e++ldrsgcrI7yTK02unpkfYn3Sc4P+t CUspx5vOC7XDXer/Jpy0abH5ca9lN6HpOtHuyvy/nsOrQ128JoHH2blH AzMGYrjROEPNDMFouv/TvczoFCR8Nqzk9N1JzshFF50fWQJ4/9mm4l7t 3Q4=

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:_u.charlotte.edu._spf.dmarcld.com -all

DMARC

Configured

v=DMARC1;p=quarantine;rua=mailto:6390c0a0c9ec7@ag.dmarcly.com;ruf=mailto:6390c0a0c9ec7@fo.dmarcly.com;sp=none;adkim=s;aspf=r;pct=100;fo=1

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsTfUa74Q5Zk8wDgqwP9Us5yjbyg0hWsRZ26d1jLwg/MgQzv0ucTaZQ8xzK6KnCbd6zeW4YbRAiVN8AJ52yOpgvl3b8M3D74341WBHsioPJ+QXNzoOS7zx3XlGRM53DQf6v7AUDuZbvL+30liMPPiZD2h01iNHwX6MHbmdvn2ML7IccVdmZDbX2rdsj9Gjub+7nEi7HAnWW/MbRx0U7vTsHYm4+jmnb07CTiHYLDbzw6ZwkxMFyfVIwpv0CXh/Q80usgCEybeF740551i2rWmtiGDQODcPzbsF1AxLlCybkibKQshGcpcf68OgKB7QHg6Pj3XUOhlSc/8oyNfbex0DQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

The University of North Carolina at Charlotte Homepage

Description

Final URL

https://www.charlotte.edu/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.charlotte.edu/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

charlotte.edu

Valid from

2026-08-02T09:08:14-05:00

Valid until

2026-10-31T09:08:13-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

3 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

✓

Permissions PolicyImplemented

—

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

23.185.0.3

74,33 ms

Cloudflare

1.1.1.1

23.185.0.3

48,73 ms

Quad9

9.9.9.9

23.185.0.3

81,72 ms

OpenDNS

208.67.222.222

23.185.0.3

57,85 ms

AdGuard

94.140.14.14

23.185.0.3

62,25 ms

IP, geolocation and ASNAssociated network information

23.185.0.3

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

mx1.hc4583-82.iphmx.com

Port 25: Closed/unreachable - 25.7 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4021.5 ms -

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