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67
Total
85
DNS
70
Email
65
Security
35
Network
60
Availability
Domainuc.pt
IPv42
IPv60
MX records1
StatusActive
Domain technical report

Establishing a secure connection ...

uc.pt

Generated: 2026-08-09T05:58:07-05:00 · Cached result

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IPv42
IPv60
MX1
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 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

1 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

178 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 DNS0 / 30 pts · Network

PTR not detected.

✓
IPv4 diversity35 / 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 response0 / 40 pts · Availability

HTTP/2 403

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
193.137.200.172
193.137.200.165

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 smtp.uc.pt.

TXT

6 record(s)
"v=spf1 mx ip4:193.137.200.0/25 ip4:193.137.200.156 ip4:193.137.200.144 include:spf.protection.outlook.com -all"
"HARICA-vHxVPrpCoSf0xRDHcGT"
"google-site-verification=qurHCpw6Vh6M2Aczua6ByDJMkzMsbnbbibxSO46rf04"
"google-site-verification=yp4C2Baj3VmOlZwu-3fuV3KD6EQzEBVKKeXi-E2KMrU"
"uc.pt MS=ms92477265"
"uc.pt MS=ms59602945"

NS

4 record(s)
ns-2.uc.pt.
ns02.fccn.pt.
ns-1.uc.pt.
ns-5.uc.pt.

SOA

1 record(s)
ns-1.uc.pt. postmaster.ci.uc.pt. 2026080640 28800 7200 604800 86400

CAA

0 record(s)
—

Not configured

DS

1 record(s)
28610 13 2 C5FB8DC8E15A02E411F74AA1B9FAA6C83E5361171213781302363894 F3B6597E

DNSKEY

2 record(s)
257 3 13 Dyo1YAVvTZoFxxpe89RAQ1q0q2LtcQuQQkS+wD/g3VQoRpLxp8nCqv8i mMjaR/GvvMq0g5vRR5LubNTqg7Y9QA==
256 3 13 iAOwNtAeUAjjTbcIB1sM0i7y+lf+AT3MjrEYZw0vP13IuTRp7lNUuETk 21I1EVGh1OxV5dmymjklo05Nu83fMA==

RRSIG

10 record(s)
DNSKEY 13 2 600 20260821172334 20260806162334 28610 uc.pt. 1EuCdVj9zANTIu7i7smCRugGnQia4Fl/QCdHU17lFRq1UlXWqhAHe/2m vOIllaguWt3MzpTiE8pi8lVQDax5hQ==
SOA 13 2 3600 20260824094132 20260809084132 63605 uc.pt. /nexKSPkD23Gabdy4NMRvz0ziuLpfZrAxY+kCDXpsZBXDmkbuTr4Ptmc ipDW+ESQg1ce6JSgIVpsuErWaF6Vzg==
TXT 13 2 3600 20260819004045 20260803235014 63605 uc.pt. tsf7fDcxxaoAcrZmq7l61Pmn4QqY0ej8X1Hj9QwFR5M9JTCja4e1tC+l T7xGXSD23IR0nwyDWacPwx+wi4NWoA==
A 13 2 3600 20260823093223 20260808084454 63605 uc.pt. 7pL6e1jBZ24vSESnRnSlrjRpo5NalN11k0CgB0JcfTnTLXEmv1+thwTH JphHXvaXu4ZJ+gc4aVBH5DyQeFfifQ==
MX 13 2 3600 20260823093223 20260808084454 63605 uc.pt. CRngWkdGT8gUU/hbRfhU7eHfd+XrYtf4WtCTl/JwL8wYT3Q0DjLQH+OK PQ5/lvhEM7NT1DtVcl+m4UHPeZo0SA==
NS 13 2 3600 20260817145407 20260802142514 63605 uc.pt. y76ExRMNlWxMVm53ducKSk++M4dtWqo5PwaKNR78cASY0E7OLCwq2KFb lxBtU7ihl2Q/NlJoRhPeTZTqc6Y9HQ==
DS 13 2 7200 20260819092020 20260809092020 30640 pt. e+4lNrMybD8ZUX6nCSbpJ280a9tuLhh8ay+OuJu6dveB66jRw/t0pABE YhvSa+bgHTc1g4/HUJEFVf11D3kh1g==
CDNSKEY 13 2 600 20260821172334 20260806162334 28610 uc.pt. UJToMt6jSBy3Ryg9iYKwx7ANhtdN66YD3UzZrL5ySIbe0Y1uqAaXVUMm +7o0T2DJcLC/E8RjT9/S9w6SQSeAgQ==
CDS 13 2 600 20260821172334 20260806162334 28610 uc.pt. ppEOMqfQBTRbICcRIFJfLhxOOh5bfacansQ8Y63ybmvj6CHD2MDsR5qR mPsLfq57zMSjbDk7HY2euMukbOvKQQ==
NSEC3PARAM 13 2 0 20260815015658 20260731014531 63605 uc.pt. nQ1T2K5AgY1sydLYzagabEOcy89QT8Fqee3QUWl3P6ClYDP9BY9gy0SM lVTrp7gPRdGeEU0Y20Z0E2ZkQSvwxQ==

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 mx ip4:193.137.200.0/25 ip4:193.137.200.156 ip4:193.137.200.144 include:spf.protection.outlook.com -all

DMARC

Configured
v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:dmarc-reports@uc.pt; ruf=mailto:dmarc-reports@uc.pt; fo=1;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Establishing a secure connection ...
Description
Final URL
https://www.uc.pt/
HTTP status
403

HTTP

Status
HTTP/2 403
Final URL
https://www.uc.pt/
Version
3
Server
BunnyCDN-DE1-1331
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
uc.pt
Valid from
2026-02-03T10:46:07-06:00
Valid until
2027-02-03T10:46:07-06:00
Days remaining
178
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
193.137.200.165, 193.137.200.172
266,54 ms
Cloudflare
1.1.1.1
193.137.200.165, 193.137.200.172
235,70 ms
Quad9
9.9.9.9
193.137.200.165, 193.137.200.172
275,89 ms
OpenDNS
208.67.222.222
193.137.200.165, 193.137.200.172
528,38 ms
AdGuard
94.140.14.14
193.137.200.165, 193.137.200.172
155,12 ms

IP, geolocation and ASNAssociated network information

193.137.200.172

No data
success
No
country
region
city
asn
organization
isp

193.137.200.165

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

smtp.uc.pt

Port 25: Closed/unreachable - 0.9 ms - 
Port 465: Closed/unreachable - 566.3 ms - 
Port 587: Closed/unreachable - 665 ms -

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