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54
Total
75
DNS
0
Email
65
Security
65
Network
60
Availability
Domainhubblesite.org
IPv42
IPv60
MX records0
StatusActive
Domain technical report

Hubble Space Telescope - NASA Science

hubblesite.org

From the planets in our solar system to the far reaches of the cosmos, explore NASA's Hubble Space Telescope's three decades of discoveries.

Generated: 2026-08-09T09:04:20-05:00 · Cached result

JSONCSVPDFVisit site
IPv42
IPv60
MX0
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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

!
MX records0 / 20 pts · Mail

0 MX record(s).

!
SPF0 / 25 pts · Mail

SPF policy not found.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
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

62 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 DNS30 / 30 pts · Network

PTR: ec2-100-60-248-102.compute-1.amazonaws.com

✓
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/2 404

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
100.60.248.102
3.236.0.197

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

1 record(s)
"google-site-verification=fN4wDfAZIdrKPMxKgekXHekmxgD_xDl1QDkmDCYAF9E"

NS

4 record(s)
ns-1165.awsdns-17.org.
ns-745.awsdns-29.net.
ns-408.awsdns-51.com.
ns-1763.awsdns-28.co.uk.

SOA

1 record(s)
ns-408.awsdns-51.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

0 record(s)
—

Not configured

DS

1 record(s)
41120 13 2 2961B2EAC9E4B1E5F7CE201D0DFA7B5B122675CB755074B8727F8F86 88691ED2

DNSKEY

3 record(s)
257 3 13 gvBvu6Yh7JYQh218ncky0bcrDqUubEraJgvDk/RocX25nWRbUxAEWduE /GyEoDlKz3aLskqF/wEY5EqPMPf1mA==
256 3 13 X3G4moW3PXaNTtj7uz13/3+I1lu2PhDE7/4cYZk3cOD+2wV9hvzgigwr TTZHZfCdYOnZlvcGYYHCu3QM+LwQUA==
256 3 13 myLJzdtQWx/DEgRVuktYFwFWntKvdg5t4D8lEplg6Ba76XHUJEmla71u uD5/cccI86u9khVDLbBdRydFIwHv1A==

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

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Hubble Space Telescope - NASA Science
Description
From the planets in our solar system to the far reaches of the cosmos, explore NASA's Hubble Space Telescope's three decades of discoveries.
Final URL
https://science.nasa.gov/mission/hubble/
HTTP status
200

HTTP

Status
HTTP/2 404
Final URL
https://hubblesite.org/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
hubblesite.org
Valid from
2026-03-26T19:00:00-05:00
Valid until
2026-10-10T18:59:59-05:00
Days remaining
62
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
100.60.248.102, 3.236.0.197
108,04 ms
Cloudflare
1.1.1.1
32.199.126.167, 52.5.211.106
118,42 ms
Quad9
9.9.9.9
32.199.126.167, 52.5.211.106
71,94 ms
OpenDNS
208.67.222.222
32.199.126.167, 52.5.211.106
167,75 ms
AdGuard
94.140.14.14
100.60.248.102, 3.236.0.197
458,91 ms

IP, geolocation and ASNAssociated network information

100.60.248.102

No data
success
No
country
region
city
asn
organization
isp

3.236.0.197

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

hubblesite.org

Port 25: Closed/unreachable - 0.9 ms - 
Port 465: Closed/unreachable - 4019.5 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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