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Total

100

DNS

Email

Security

Network

100

Availability

Domainuni.lu

IPv41

IPv61

MX records1

StatusActive

Domain technical report

uni.lu

Generated: 2026-08-10T00:15:33-05:00 · Cached result

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IPv41

IPv61

MX1

NS3

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

3 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

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

60 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 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/2 202

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

158.64.79.55

AAAA

1 record(s)

2001:a18:a:c5::1b

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 uni-lu.mail.protection.outlook.com.

TXT

35 record(s)

"brevo-code:c21c4dbdcd146aa8b5601d7f67bd68f9"
"brevo-code:ad0440e945875f5fd97badbdc39f1a42"
"spycloud-domain-verification=85a40eaa-a58b-4adb-bbee-3bf2d3f08d67"
"google-site-verification=fUi6JySRI7yn1tsydJe2RCQULmcg7a9Pom5I_PjGo_4"
"MS=ms79819109"
"teamviewer-sso-verification=7d4e14e9a9dc414ca2ca70a0d1e6c160"
"brevo-code:736603e1c44028ff240cda4053c894ca"
"google-site-verification=tW3n6WYhOouUT8lm7DHVjdY51QhmJOIJveyGFs65vzs"
"mistral-domain-verification=39a8b07501fc896c3dd7c5107be3a7c11a3672a3"
"google-site-verification=kcab3VKSk6cdwM_7hqwkKBYHeibrFMJs3EAv0wdAKdI"
"teamviewer-sso-verification=e779dcab7c774ec9a53226cc060294fd"
"brevo-code:cdd976c3c830938b7461d6b22b607a25"
"brevo-code:6cb6b67ab07bdad536e9846a7af00096"
"brevo-code:ffd4cca3226ea8ff35912f94e500100a"
"HARICA-oK6ni8ocm3HSBgigAY7"
"Sendinblue-code:ee3c2ecc34f5eb35ae8e711666230757"
"fUi6JySRI7yn1tsydJe2RCQULmcg7a9Pom5I_PjGo_4"
"sending_domain1025993=fe2af7964b5ad0c145a835cd32169872979b73a6e2d4e6b190c02218bf57acb6"
"brevo-code:2ac09fe65ad182f497df4f76eb0265c5"
"v=spf1 include:spf.protection.outlook.com include:mbxoi6l2pi.powerspf.com -all"
"apple-domain-verification=9gjjrUksjFMAur7f"
"google-site-verification=LpSJvvZrzZqNhUpxyuID3IFdJh4omvqZk12NaKiYnKk"
"brevo-code:41cdf20734aee883c0b6f1d4fee3ba92"
"google-site-verification=wF4TTDL6b4xliJrNWr9RDyNhAjiaJL6l--E0CuPXMs8"
"google-site-verification=3FCX-SvrsvETfrvImjiC2Fp4hI5xltQcIEHFSmqIpjo"
"k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGoQCNwAQdJBy23MrShs1EuHqK/dtDC33QrTqgWd9CJmtM3CK2ZiTYugkhcxnkEtGbzg+IJqcDRNkZHyoRezTf6QbinBB2dbyANEuwKI5DVRBFowQOj9zvM3IvxAEboMlb0szUjAoML94HOkKuGuCkdZ1gbVEi3GcVwrIQphal1QIDAQAB;"
"brevo-code:9c4d028ec959e62c814dad43be14f3e8"
"HARICA-gF88h1cqxwdNPJfPb2x"
"atlassian-domain-verification=/eaXfyun5vAr/k4VvkXfEp6/Z1xt8CICT4qVSuudi5B6ktHjboO8dxClUhPqt7C/"
"autodesk-domain-verification=ysdrQi-kLcbWxq0EigIt"
"brevo-code:542f5f56863bd2ad4b1ed6e894263748"
"google-site-verification=Qx2j5e3K2UQdEOqOldotRzwgI-vz1ZrYi44lYNEkV44"
"have-i-been-pwned-verification=e856c910e5e55f3a6a8b72cb0e7c163e"
"brevo-code:c792b07a0a930b078fae718a7f8f9ec3"
"brevo-code:41eb0e687affb2d54bee25119bd933e4"

NS

3 record(s)

nspub-eu.dns.lu.
nspub2.dns.lu.
nspub1.dns.lu.

SOA

1 record(s)

nspub1.dns.lu. domreg.dns.lu. 1786098443 14400 3600 604800 3600

CAA

5 record(s)

0 issue "amazontrust.com"
0 issue "digicert.com"
0 issue "harica.gr"
0 issuewild "harica.gr"
0 issue "sectigo.com"

DS

1 record(s)

50764 8 2 40E0741C6306469BB14E76FBD7E5CBBCD11A03496BA1E61017D71EC7 C6DBD9C8

DNSKEY

2 record(s)

257 3 8 AwEAAblz8Ku9OqdyGkzWNMh0P50PatABzWnMDqqINclTWP+MI1b3Ndug t2/+yylsdwp4Cdjou4hSOqz6j8Zwx7ldGcfdnmr2vDH30FRfQrkZ3BtB yrG3iVxnfGwGxkryjkLzN0I/XqwQD1fD3EABuq5v0DXXYPOWSl7EW39O Qtk8stJonj2oT6AtEG5Tf/kLI3682dYZuv/gWOHPZbFZ1ay2doFxoQ9g MMo1HsbkHmscB6HdmnKXvo2uXUZj65qW0r+fZANoIzJlbDg2Ms0U7vpT m8ghaSke41BTvpQ8b/vhsRdtIu+o24vivhqrne0cPxgIAed8VTx7ymLd jNfJQ/vH4kU=
256 3 8 AwEAAZ/AwTYndprscNBuMB+iPWGiXbZO89dD12/uZzZ1Dr/OAlQfwfGE NTM0olIuGdiDEvsqna1TL4ake5Ah6Ig/FnB3KvL8WB5Epih/mOACx8Ai qUhrQIX8UwkCCP0i0dJqx76OWhIrrnfHBkBb0lwHEvw8DXC/65r+3tL0 jyDi03Rz

RRSIG

5 record(s)

TXT 8 2 3600 20260820000000 20260730000000 45180 uni.lu. IvPnmDKrEnWwtWvFlpDRojhkp4i8fs1nh9aH7YlMxjucj2VfFo1JZaGb 3bmv3YJi4/TOCighLxgfug2n28cWq/oN/4/8RWbFzLgMtxMqptVb0b38 mwo+MgOYaXKiti+kDJxl7ILWpTEXcl3DGP9BdTrQh9Q+i5ymMEEMjCqf YW0=
AAAA 8 2 3600 20260820000000 20260730000000 45180 uni.lu. LPGzNeTxfUQw1il+FBZqYmVYwfDNiMCEoLOT9FrTwcESoT4ik4Z3O1+p luCoNJCYBu7CSzQuFWbe8xi85+0u9e8vamGo0gEeWVnigdkJxTjoII3o sjg+Kxuqhv3mYKoZwyy7vpcDmang0o4et5CwoFAyzDVRKhV9gokXSWtU 5X8=
DS 8 2 43200 20260822055906 20260807050108 54526 lu. Aig/3VCiEvorMc1tWlTg6kpKtbJrPT/3gtdUgHtX+GAP9/IPrOISZgu/ 8dl8i0XRrOIUeWg0CNg4fwB5ZsiY2kADID69iJ/pZ1T+YtMeRELfRw7A bHZUCPsywxq0fnzNU1TTr72Di6uNN8V4qXBreWkofsgvGqDqrKVWyYnT GsPgOirEzr/eboSKFX0RTru/9FU7pu25OQ8ERHD/r9yMKmwuRKcfiW7j RwalBKzr4KigAskasEO8wF1DJ+k7CmPZyXaSZokWZ8oYTBxK8Gu39I7z vado9yk1j1dD7siD9uoQOaMSlRH1HCbK4A/UJ0m5otkWilDI4T5lJpbu xnd0IQ==
MX 8 2 3600 20260820000000 20260730000000 45180 uni.lu. YCLsqz0xdcqceUf3iSTlw6iLvASsFC0taeqzPFkm28tkrAHMRqAP2IxG ZGF0jTIrHTDHxogEMpn7dmzblbrwD8u0Z4kLEg47UXrbJncvREPOW/VB LT/AsN1h2yIEjk0/H1M8dEq50mZwcmdigaDLYmqn7RJlxse7AZmLmUgX fpE=
NS 8 2 86400 20260820000000 20260730000000 45180 uni.lu. OxJ3tsyg5tW+f2IkPYdpqx/ddI1wyoquxuG/iHEglzQfJJs71FJKxvsh kfaIaWDg4rVp1VJvop49BEATYweCitLYsKC1w4ojjYWZ5lNtiurXfzfr D+lcOu7ojwi0Lu6ivB5PLHD+vzzqWkQt8I1/1imeq1ac9S4XMafFUwkD 52c=

NSEC

1 record(s)

0zy224-edge.uni.lu. A NS SOA MX TXT AAAA NAPTR RRSIG NSEC DNSKEY CAA

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.eduroam.lu.

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:spf.protection.outlook.com include:mbxoi6l2pi.powerspf.com -all

DMARC

Configured

v=DMARC1; p=none; aspf=s; rua=mailto:dmarc@uni.lu; ruf=mailto:dmarc@uni.lu

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCuR5whD/oBV0KaA6tezRpE/IXuDzgvNnhViH8ElQ9TGeW4qrKYKIbxsBHq7H3XZg+jTRldqc4lknY4RFJx3BkQWSIs4Z5+ytEZ4IR61lyY72VCqK2a11aGUD+5wHsvnUtweLP57hzH+MEwjG/MRX7LEiJEqdHs4f0fwJHuqH8mOQIDAQAB; n=1024,1453043388,1468768188

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://uni.lu/

HTTP status

HTTP

Status

HTTP/2 202

Final URL

https://www.uni.lu/en/

Version

Server

CloudFront

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Hellenic Academic and Research Institutions CA

*.uni.lu

Valid from

2026-03-24T03:25:52-05:00

Valid until

2026-10-09T03:25:51-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

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

158.64.79.55

269,30 ms

Cloudflare

1.1.1.1

158.64.79.55

253,80 ms

Quad9

9.9.9.9

158.64.79.55

140,92 ms

OpenDNS

208.67.222.222

158.64.79.55

663,27 ms

AdGuard

94.140.14.14

158.64.79.55

47,74 ms

IP, geolocation and ASNAssociated network information

158.64.79.55

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

uni-lu.mail.protection.outlook.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4026.3 ms -

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