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86
Total
80
DNS
95
Email
81
Security
70
Network
100
Availability
Domainnationbuilder.com
IPv42
IPv62
MX records1
StatusActive
Domain technical report

NationBuilder: Build the Future

nationbuilder.com

Human-centric technology for your nonprofit, cause, campaign and movement.

Generated: 2026-08-09T18:20:56-05:00 · Cached result

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IPv42
IPv62
MX1
NS5

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

5 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

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-STS5 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

50 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 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 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

2 record(s)
162.159.128.45
162.159.138.44

AAAA

2 record(s)
2606:4700:7::a29f:802d
2606:4700:7::a29f:8a2c

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
1 aspmx.l.google.com.

TXT

23 record(s)
"tmrf1simqk5vd79t9jfbtbvt4a"
"v=spf1 a mx include:_spf.google.com include:sendgrid.net include:45684064.spf05.hubspotemail.net  include:stspg-customer.com  -all"
"google-site-verification=JovjIzQMKJvVOCaNu42YZH5ZsPPihb3Q1eCmd4l_rXA"
"ca3-318947983e0c42a68fae6160905953ff"
"mandrill_verify.uZ8la211RCa5RyzSmfW_ag"
"google-site-verification=XjIR4IU1nafuw08V5DAIy6OqrZBgKmwy_WkFGlI6Tnw"
"status-page-domain-verification=kn2myc1zjbyn"
"ca3-b603efc66d784e1cb144c059e93c1bcc"
"208FAB9406"
"cloudflare_dashboard_sso=e428a0d7f38ac8e3573677bcc1396199"
"cloudflare_dashboard_sso=50555dfecb5b208f584ae3cabe7172ee"
"cloudflare_dashboard_sso=bec003ada724533aa2073fde53e896a2"
"cloudflare_dashboard_sso=1358d1ea6079e96dff341f7cd174d43b"
"facebook-domain-verification=gau2snoigq1pwglyivrgpxz9cwiye6"
"ca3-90cc5791db164f53bbefaacfc4e8ea3b"
"status-page-domain-verification=rh79sc3kzz81"
"google-site-verification=Ntel0mWwa-jcPFJdM7wjgPXM7R08Xb3hus1-H7bi3IQ"
"anthropic-domain-verification-ek9s16=HwAHCKZUHQfhh2h0HBEnFjYMx"
"265828448-6968164"
"include:45684064.spf05.hubspotemail.net"
"MS=ms92274457"
"kmmbsagvq4t940530ao9kd39jm"
"ca3-27a52289e6c14b52961d3f9f07558140"

NS

5 record(s)
ns2.nationbuilder.com.
ns1.nationbuilder.com.
ns4.nationbuilder.com.
ns3.nationbuilder.com.
ns5.nationbuilder.com.

SOA

1 record(s)
ns1.nationbuilder.com. dns.cloudflare.com. 2411536888 10000 2400 604800 1800

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 mx include:_spf.google.com include:sendgrid.net include:45684064.spf05.hubspotemail.net  include:stspg-customer.com  -all

DMARC

Configured
v=DMARC1; p=quarantine; fo=1; ri=3600; rua=mailto:spamabuse@nationbuilder.com; ruf=mailto:spamabuse@nationbuilder.com

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXZXcg6gQzonZ6BDq3IpZHF4tUUy1q/qjuB0w3jDP1pGixzC/jbH9ZddpNr+T/XHEOQvb2z3hfa2f6gk5hXb9nmNaOuvp4LvslpXv3Cba9xQ8gZmahIqfVYcSatV4svLNzmSiS14TK7z3smFVU8MaTjfN5IetDWAp3pHfOiN87OwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
NationBuilder: Build the Future
Description
Human-centric technology for your nonprofit, cause, campaign and movement.
Final URL
https://nationbuilder.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://nationbuilder.com/
Version
3
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
nationbuilder.com
Valid from
2026-07-01T07:20:21-05:00
Valid until
2026-09-29T08:20:06-05:00
Days remaining
50
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

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
162.159.128.45, 162.159.138.44
60,55 ms
Cloudflare
1.1.1.1
162.159.128.45, 162.159.138.44
26,60 ms
Quad9
9.9.9.9
162.159.128.45, 162.159.138.44
39,46 ms
OpenDNS
208.67.222.222
162.159.128.45, 162.159.138.44
107,37 ms
AdGuard
94.140.14.14
162.159.128.45, 162.159.138.44
52,95 ms

IP, geolocation and ASNAssociated network information

162.159.128.45

Identified
success
Yes
country
United States
country_code
US
region
California
city
San Francisco
latitude
37.7749113
longitude
-122.4185412
asn
13335
organization
Cloudflare, Inc.
isp
Cloudflare, Inc.
timezone
America/Los_Angeles

162.159.138.44

Identified
success
Yes
country
United States
country_code
US
region
California
city
San Francisco
latitude
37.7749113
longitude
-122.4185412
asn
13335
organization
Cloudflare, Inc.
isp
Cloudflare, Inc.
timezone
America/Los_Angeles

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

aspmx.l.google.com

Port 25: Closed/unreachable - 21.7 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f19ee523si6936902fac.51 - gsmtp
Port 465: Closed/unreachable - 4020.9 ms - 
Port 587: Closed/unreachable - 4020.7 ms -

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