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74
Total
85
DNS
50
Email
77
Security
35
Network
100
Availability
Domainspaceweather.gov
IPv42
IPv60
MX records0
StatusActive
Domain technical report

Homepage | NOAA / NWS Space Weather Prediction Center

spaceweather.gov

Generated: 2026-08-10T14:30:21-05:00 · Cached result

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IPv42
IPv60
MX0
NS3

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

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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

!
MX records0 / 20 pts · Mail

0 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

57 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 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 response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
137.75.88.7
137.75.88.52

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

1 record(s)
"v=spf1 -all"

NS

3 record(s)
ns-01.noaa.gov.
ns-03.noaa.gov.
ns-02.noaa.gov.

SOA

1 record(s)
dns.swpc.noaa.gov. swpc-it.noaa.gov. 1785981692 3600 1800 864000 86400

CAA

0 record(s)
—

Not configured

DS

1 record(s)
33874 8 2 62495CF7A25596CF423A882831029F3D560E3F2C387B4824FBF79BD5 1C28FDFF

DNSKEY

2 record(s)
257 3 8 AwEAAccNWCGAmABWBnpAXM1m9jZJvKKBAZ99w8Ns/ymspvJ1QXrNiSmj sJr3V5NVTMmDvMn6Uv4APNDCT3BJspuF8TulyU1Dvp/9WQV3hh7ocZA2 AAEuChf94lioARPJr1EV3pIj8vaPiWG5CTfVfnYYQ0SJPh1LfKd54XtT 9yB6QJ+Yc1VOSV7oJJgKcAPA/gzOYG0ZrLXGlNdI7nOLrNb2IYbcEFGS Y9zqLoW/JrHJFJHhDz4f4KfkPeGDa3pJ54fjVLVmcNqXu/IN56kA0EOw b+ahTfYtPXFn+a1oa8PK+C3h2s3l/jqpckHZHMe/Q9/F7HbQj4RY7RfD uq1sOJy6f/8=
256 3 8 AwEAAa9w6opnJajuxJ5sAhnVfUYexx8mj5NprQqEDNrGiohkRXiU0pY5 zcizvCoYR3V785XO/LrUtmYLnkNytYbGoEyUxzo0js5n6kAUvgAkMobC riDbY4Ifc+76TMKOD/k0QlYe68j/x05BnENfghEYg4jyUIhr7WUKQX7H OUStfXpn

RRSIG

2 record(s)
NS 8 2 300 20260905010132 20260806010132 23880 spaceweather.gov. qkdvsvaJJ1JTAJQZy+bVoN7oWfGVHDo99VSqmVAt9cQzNWAHpmAAdbz6 IXI2jvlrPSg64egCiTS4mSP55FX9/oQWThwKsy0LxPSMor6Hg4JdRpr/ 6S3R3g6W9eFwVAmSbP5jvq45f1ChYLZnGewXqu08RfNfpR7XsCDbNnkz hz8=
DS 13 2 3600 20260811203006 20260809183006 35496 gov. UikJuWiBnuoCPWtdUqiu2R+JgFfEhb5c5mJ5an/Dxhtm6DRNVhIet9uY Uyf3RdFCkC5oHvi7/v/sJiStDL2nhQ==

NSEC

1 record(s)
_acme-challenge.spaceweather.gov. A NS SOA TXT RRSIG NSEC DNSKEY

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 -all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:dmarc-reports@doc.gov,mailto:reports@dmarc.cyber.dhs.gov

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Homepage | NOAA / NWS Space Weather Prediction Center
Description
Final URL
https://www.spaceweather.gov/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.spaceweather.gov/
Version
3
Server
Apache
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
spaceweather.gov
Valid from
2026-07-08T16:57:03-05:00
Valid until
2026-10-06T16:57:02-05:00
Days remaining
57
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

3 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
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
137.75.88.52, 137.75.88.7
140,58 ms
Cloudflare
1.1.1.1
137.75.88.52, 137.75.88.7
90,66 ms
Quad9
9.9.9.9
137.75.88.52, 137.75.88.7
207,55 ms
OpenDNS
208.67.222.222
137.75.88.52, 137.75.88.7
88,54 ms
AdGuard
94.140.14.14
137.75.88.52, 137.75.88.7
261,30 ms

IP, geolocation and ASNAssociated network information

137.75.88.7

No data
success
No
country
region
city
asn
organization
isp

137.75.88.52

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

spaceweather.gov

Port 25: Closed/unreachable - 45.5 ms - 
Port 465: Closed/unreachable - 4113.5 ms - 
Port 587: Closed/unreachable - 4016.1 ms -

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