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85
Total
80
DNS
70
Email
88
Security
85
Network
100
Availability
Domainspamhaus.org
IPv41
IPv61
MX records2
StatusActive
Domain technical report

Strengthening trust and safety across the internet | Spamhaus

spamhaus.org

Strengthening trust and safety online through IP and domain reputation intelligence, expertise, education, and community collaboration.

Generated: 2026-08-09T15:00:36-05:00 · Cached result

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IPv41
IPv61
MX2
NS6

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

6 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 policy0 / 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.

!
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

69 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: ec2-3-126-246-180.eu-central-1.compute.amazonaws.com

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/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
3.126.246.180

AAAA

1 record(s)
2a05:d014:1bf:db01:bbc8:62e2:948e:6bf4

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 bmx.spamhaus.org.
5 mx.spamhaus.org.

TXT

8 record(s)
"ZOOM_verify_waexEmZ2Sa-NZVWD5Eq9gA"
"anthropic-domain-verification-djxwa1=nExEXAdTLFWnqNPqhfLILYjtW"
"v=spf1 a:mail-out.spamhaus.org a:mail-out1.spamhaus.org a:mail-out2.spamhaus.org ~all"
"google-site-verification=S_wfCx1OL3MRNNMV9hlV1-tcYdHzi8uqXzjmXsUm__Q"
"google-site-verification=rx-daAwN7NKrLdzxxMx5V28NJYkeWoLq8nI6HTkTZlU"
"google-site-verification=JgpYTmGhSc1tj_jxwflGwO8TB-3qL0X55ZvzzJ2qgQE"
"google-site-verification=ArGbH7oaY0zd8VI-m65C1LC4VupIggMLrjTAom0xAmE"
"slack-domain-verification=YLhI1OY5lOIO75tQnemqnegUtxMkkFPIOSnhP9oz"

NS

6 record(s)
musashi.spamhaus.org.
musashi.spamhaus.net.
hideyoshi.spamhaus.org.
hideyoshi.spamhaus.net.
hideyoshi.spamhaus.com.
musashi.spamhaus.com.

SOA

1 record(s)
need.to.know.only. hostmaster.spamhaus.org. 2026072900 3600 600 2419200 3600

CAA

0 record(s)
—

Not configured

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 a:mail-out.spamhaus.org a:mail-out1.spamhaus.org a:mail-out2.spamhaus.org ~all

DMARC

Configured
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:a997412f@inbox.ondmarc.com,mailto:mlruszij@ag.dmarcian.com; ruf=mailto:a997412f@inbox.ondmarc.com

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Strengthening trust and safety across the internet | Spamhaus
Description
Strengthening trust and safety online through IP and domain reputation intelligence, expertise, education, and community collaboration.
Final URL
https://www.spamhaus.org/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.spamhaus.org/
Version
3
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
spamhaus.org
Valid from
2026-07-20T02:43:02-05:00
Valid until
2026-10-18T02:43:01-05:00
Days remaining
69
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
Permissions PolicyImplemented
—
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
3.126.246.180
130,37 ms
Cloudflare
1.1.1.1
3.126.246.180
20,09 ms
Quad9
9.9.9.9
3.126.246.180
26,39 ms
OpenDNS
208.67.222.222
3.126.246.180
49,51 ms
AdGuard
94.140.14.14
3.126.246.180
51,93 ms

IP, geolocation and ASNAssociated network information

3.126.246.180

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

bmx.spamhaus.org

Port 25: Closed/unreachable - 30.4 ms - 
Port 465: Closed/unreachable - 4 ms - 
Port 587: Closed/unreachable - 3.9 ms -

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