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85
Total
95
DNS
90
Email
69
Security
55
Network
100
Availability
Domainulisboa.pt
IPv41
IPv61
MX records4
StatusActive
Domain technical report

Universidade de Lisboa

ulisboa.pt

A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melhores e mais diversificadas ofertas formativas e prometemos ser uma experiência única e enriquecedora.

Generated: 2026-08-09T05:01:54-05:00 · Cached result

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IPv41
IPv61
MX4
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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

4 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

182 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

i
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/1.1 200 OK

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
194.117.3.27

AAAA

1 record(s)
2001:690:21c0:71::27

CNAME

0 record(s)
—

Not configured

MX

4 record(s)
50 mx21.ulisboa.pt.
50 mx24.ulisboa.pt.
50 mx22.ulisboa.pt.
50 mx23.ulisboa.pt.

TXT

5 record(s)
"MS=ms13781830"
"HARICA-SYDuUcaEbI2T7WOqW1t"
"google-site-verification=i0d2awDrANL67zm9zKszos_mZkhi8smwE3Z-AWPEFgc"
"Universidade de Lisboa"
"v=spf1 mx include:ciencias.ulisboa.pt ip4:194.117.3.9 -all"

NS

4 record(s)
ns2.tecnico.ulisboa.pt.
ns1.tecnico.ulisboa.pt.
a.ul.pt.
b.ul.pt.

SOA

1 record(s)
a.ul.pt. sistemas.reitoria.ulisboa.pt. 2026080602 7200 3600 1728000 3600

CAA

0 record(s)
—

Not configured

DS

1 record(s)
502 5 2 EDE9D435E60A4C0053D696467223A62188277C1BC2951532C8627DF6 6B5B35F7

DNSKEY

2 record(s)
257 3 5 AwEAAdGbuHXoq3i/ljwOaLlHf27NWSSDvCAD1oHQ92xCbVhdbRaUKZS0 wg2KFebdtediE54mTwVqSUahcnLywacDksINCDguNgG5gtlWxhNA2kQc QCsToCnT97imKV79pQxXI2Jpk3OwREqRekkHbi52XJ50yXLYUuWJkHbi NVabNf/E0oheZojCRv9iA+nP7/Q4uXnURslpfTtwpP6NayQsjk/8iczi d7p6yW088mEqHuXXIZ9qEfY1yqxlpE83vXH0aX11v++fj+6SuRXzr9gU +T8enFquAl/1SZZS/vT3r9wmixBRZpWQAOIGdwVfebxdZreIJTsUeKVC oTlxowPxrN1dRli3+x8E+DxtovamuuaANIH/fbCPXrJAgD7NPA9jUMCS E8DfYZEKO/d0NFYUbUAfsM19/np1VM0/AjE4cfeIYNLsoL7jzST7tiBA Bb47ryvua3jjZBNqcfrq8+B5gf1OMgzmQm3kF4PaYNMuD+MjlNGjTj/m FBCJiExee3wNszmGBI8vExeghIn3SeNuPWj9nfajq/9DkcFefzTwH7U4 WHp3S7JGOPUw11dNSM8y8BpMX1lKql4k4EY1PCARBThII5Cw/OTgSOL2 Y8WEPFydEewW1kR8ihh9Sm9SD0xfp2XT9aP4J/J2Aty9qzo6KEek8W84 S/fHi2DQxurSPLxh
256 3 5 AwEAAcQk0mD2pSsn43+dsB3gE1fz1X2X3uuK2MeVPAfwW3uokToULvdz OAaOKL4KOoGedjdJU2LOxOwOWWfhU0cNx1O/VHcty//GhNcX0s8T4gck QQW7eQwGfBkFp9KyAkPjDvWtxFVi/QVkV4OwMJhiBA5ItsIJO3Iwmap1 Vp7XteVz

RRSIG

4 record(s)
DNSKEY 5 2 600 20260905143133 20260806143133 502 ulisboa.pt. PSkQ9irxA0InLWxagbLcO5KyQxy75lpfV1+Sz9Wpd/O+NarsEGQdmvSd 9VxkfXXoEQWurCE72OFyt94GC3WD+VoMLI6AkiVjFVpG0YA15OdPYfot inqBYHtukDtvAYtirAn7A0ktJFV8DhCPzKZkpGJpwB+HvQpWt2h/EXns efa17Fx9McQDwZJTf25KNTxZO904DklPnsL9dseec8Qx9vn5f1v+WmY/ blyDMxHgoLeCpJtDY3/5Spz9h1VAIyFTiOpFd4u547V9Eo2/aIZTVvsm LdzxR9DdONmBpnr3J9q49i+j0NuMx17jHZoo5O6LA3LMuzh8k/DHe5cW pzs2nw68p74cqoAvdlWPVg4pK7YncSJNA6QFWmx0u5g1TJsRpI4gAkuH orMpzxVOwXgtmYNYKfk+8dhyY/WT7T3UXbuuHNg0R6yU3xH+9joVpEum cx8pWVUa48QYG03VqILE4/MG2frgtUu8RqDVBKijbGL6mWPYvYxNTsr8 tz8iuZ+xzFJpYmWQ37/ogkjpzm15Xx9f774fTfNKq2gaId9TuRoFrnbE +5wi15EOx0IWZqJRMGo7ziAx43uyzAg9oTRGSn4G2F402k2ooejx9C2f 4tx4qwWGi2zTcfXSEmQ7MPpYSHNEAnNXuc1ggrubxjQ0qnOFz2DrJu3+ hbehMsFLun4=
DNSKEY 5 2 600 20260905143133 20260806143133 4368 ulisboa.pt. hDEthXl1GQGVQrisKcORs1PH3uz4hreJLl6uQp07qYES45E5uAaZ4LmB GmLgmugAGhOPbnHWEsMhiERMi1cNXLc/RF6p8UnnRF1tVS/SAPShvod+ ZsEiHRze5V5EFTeS8b0DKxPOtWTiGYEeyvt3s4mqyIzFQoiiciUF57Yu 57E=
NS 5 2 600 20260905143133 20260806143133 4368 ulisboa.pt. QI25Ue8wlvJZI/z9Ifm+hEduGTUFtOk/RmAHN7Ui5zJYC+ODXoMV5AWn sjqGlcPip5ZF5HI4zp7MYmZ7Yb8gL6zx01hawrYHIjL2p6CZ1bzd406W wJhVm1xpvoOhFLe1PKQx5Mh/uf9QyeX2s043GLFqT5BUTgnW1U15xt+d rtc=
DS 13 2 7200 20260819085221 20260809085221 30640 pt. e5GF8UvGQqqPm1if1VG40MFBZomRY5iAPD/DJaS+lfiRdAw/f41NnGyH T4imKghR/HQcnP1xCIueP/kxw2qXNg==

NSEC

1 record(s)
_ca3bdd1eb1a5ec0e4a8752825785f5da.ulisboa.pt. A NS SOA MX TXT AAAA NAPTR RRSIG NSEC DNSKEY

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

1 record(s)
100 10 "S" "x-eduroam:radius.tls" "" _radsec._tcp.ulisboa.pt.

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 mx include:ciencias.ulisboa.pt ip4:194.117.3.9 -all

DMARC

Configured
v=DMARC1; p=none; sp=none

DKIM

Selector mail
v=DKIM1;t=s;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArwopiJfuqGR7669L20hW8yI3oMYxo9YnUjt6cMu96FmHu9P6wOH8mulnQZbrygLDMCuk2IhdDar+t8F/OoZLj5PwfaJid4mxqS3BjAyL1FBC/9aJnVKsodkztJO0NiOQFtiRDdZK37NNBAp7um8EGO4o+nbxgMJ4Zv9ff4gIL0Ouxgu/oeUlbvQohFjI3zxPOlj/QZwBUGYsa6LRytcY0UQcOgW0B02ATwDzp2MwmVyv77F4vt1tfYjE3EsYZYG5E7zyY9UAZRQ3VLOw88E5LCh+400QPYUA8HkQ79dEdKwJpbZFIJwXXiZD8PFj8zm1w+o3GCm8dPvajdnoj97kRwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Universidade de Lisboa
Description
A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melhores e mais diversificadas ofertas formativas e prometemos ser uma experiência única e enriquecedora.
Final URL
https://www.ulisboa.pt/
HTTP status
200

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.ulisboa.pt/
Version
2
Server
Apache
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
ulisboa.pt
Valid from
2026-07-23T05:02:00-05:00
Valid until
2027-02-07T04:01:59-06:00
Days remaining
182
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

1 active
—
HSTSNot detected
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
—
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
194.117.3.27
497,99 ms
Cloudflare
1.1.1.1
194.117.3.27
166,38 ms
Quad9
9.9.9.9
194.117.3.27
483,09 ms
OpenDNS
208.67.222.222
194.117.3.27
947,01 ms
AdGuard
94.140.14.14
194.117.3.27
256,42 ms

IP, geolocation and ASNAssociated network information

194.117.3.27

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

mx21.ulisboa.pt

Port 25: Closed/unreachable - 112.5 ms - 
Port 465: Closed/unreachable - 223.1 ms - 
Port 587: Closed/unreachable - 110.8 ms - 220 mx21.ulisboa.pt ESMTP

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