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81
Total
75
DNS
90
Email
77
Security
50
Network
100
Availability
Domainobspm.fr
IPv41
IPv60
MX records2
StatusActive
Domain technical report

Observatoire de Paris - PSL - Centre de recherche en astronomie et astrophysique

obspm.fr

Fondé en 1667, l’Observatoire de Paris est le plus grand pôle national de recherche en astronomie. Situés sur ses campus de Paris, Meudon et (…)

Generated: 2026-08-10T16:28:33-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX2
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

2 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓
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

77 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: website-prod.obspm.fr

i
IPv4 diversity20 / 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 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)
145.238.193.38

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
50 mx1.relay.renater.fr.
50 mx2.relay.renater.fr.

TXT

3 record(s)
"apple-domain-verification=TOW40OZEqecjYW43"
"HARICA-nCGBnSgkUcDzRHAWDBg"
"v=spf1 mx ip4:145.238.187.15 ip4:145.238.194.3 ip4:145.238.193.20 ip4:145.238.186.20 include:spf.relay.renater.fr ~all"

NS

2 record(s)
ns2-m.obspm.fr.
ns1-p.obspm.fr.

SOA

1 record(s)
ns1-p.obspm.fr. hostmaster.obspm.fr. 876575 21600 3600 3600000 10800

CAA

3 record(s)
0 issuewild "harica.gr"
0 issue "harica.gr"
0 issue "letsencrypt.org"

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

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 ip4:145.238.187.15 ip4:145.238.194.3 ip4:145.238.193.20 ip4:145.238.186.20 include:spf.relay.renater.fr ~all

DMARC

Configured
v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:postmaster@obspm.fr!100k

DKIM

Selector mail
v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmrC8HqsOtUcIu/O/Ny00mqJad+uWeCzSP+wn5rTPdUwsIWC80obJiChQeoOH/19app60wfk0hbNIBo0VXG8ojMYik2Hr4yxnk6HZ7WP/rFJchMyGkkAxFwvhl4U8CM7v4CZetPk8/ch6yYbGTUudNXu3fStE70zWW8CPhTmLS89T+jPlEn0y4sQRZOW+oEmPsh8FBlTnqnmBB6mu9e2hSKNEUwT1gbN+hyLYm7qKrGuYlFUXrh+9suAeGINo5rzTGasXaS1F2hKBJbU9DRwEKibh2NIy4A5GU1BxWq3L7v9ISbjn4bfHSls37MCWTQ11z3lSwIkyufhTQl7RmK8cQwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Observatoire de Paris - PSL - Centre de recherche en astronomie et astrophysique
Description
Fondé en 1667, l’Observatoire de Paris est le plus grand pôle national de recherche en astronomie. Situés sur ses campus de Paris, Meudon et (…)
Final URL
https://observatoiredeparis.psl.eu/
HTTP status
206

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://observatoiredeparis.psl.eu/
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
*.obspm.fr
Valid from
2025-10-27T11:02:38-05:00
Valid until
2026-10-27T11:02:38-05:00
Days remaining
77
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

3 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
—
X-Frame-OptionsNot detected
✓
Referrer PolicyImplemented
—
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
145.238.193.38
165,83 ms
Cloudflare
1.1.1.1
145.238.193.38
329,69 ms
Quad9
9.9.9.9
145.238.193.38
148,79 ms
OpenDNS
208.67.222.222
145.238.193.38
139,70 ms
AdGuard
94.140.14.14
145.238.193.38
237,53 ms

IP, geolocation and ASNAssociated network information

145.238.193.38

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

mx1.relay.renater.fr

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4020.6 ms - 
Port 587: Closed/unreachable - 4021.1 ms -

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