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Total

DNS

Email

Security

Network

100

Availability

Domainhistory.com

IPv44

IPv64

MX records1

StatusActive

Domain technical report

HISTORY | Topics, Shows and This Day in History | HISTORY

history.com

Fascinating stories from the past you can trust, plus hit shows.

Generated: 2026-08-08T19:04:14-05:00 · Cached result

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IPv44

IPv64

MX1

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

4 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 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-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

58 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

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 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

4 record(s)

151.101.66.168
151.101.130.168
151.101.194.168
151.101.2.168

AAAA

4 record(s)

2a04:4e42:200::680
2a04:4e42:600::680
2a04:4e42::680
2a04:4e42:400::680

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 history-com.mail.protection.outlook.com.

TXT

2 record(s)

"v=spf1 include:spf.protection.outlook.com ip4:204.15.245.41 ip4:204.15.245.46 ip4:64.125.177.41 ip4:64.125.177.46 ip4:64.125.177.80 ip4:207.45.167.134 ip4:64.125.177.124 ip4:38.119.57.211 include:spf.mandrillapp.com include:amazonses.com include:mail.zend" "esk.com -all"
"google-site-verification=aXJPRviM3Fp_WS1i8G69DbuoyYwN0AJxAzi3JcPQqss"

NS

3 record(s)

blue.foundationdns.net.
blue.foundationdns.com.
blue.foundationdns.org.

SOA

1 record(s)

blue.foundationdns.com. dns.cloudflare.com. 2407213722 10000 2400 604800 1800

SPF

Configured

v=spf1 include:spf.protection.outlook.com ip4:204.15.245.41 ip4:204.15.245.46 ip4:64.125.177.41 ip4:64.125.177.46 ip4:64.125.177.80 ip4:207.45.167.134 ip4:64.125.177.124 ip4:38.119.57.211 include:spf.mandrillapp.com include:amazonses.com include:mail.zendesk.com -all

DMARC

Configured

v=DMARC1; p=quarantine; sp=none; fo=1; aspf=r; rua=mailto:dmarc@aenetworks.com; ruf=mailto:dmarc@aenetworks.com

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyuQ7khb/+B2i/c+ZzEp6rJ9iNDmyqWxUaZrsoakmg+5amSZ9oww/fmw4YNu3xkLQ4bwZwqMAq2N0//KGztpx1Tlfk4fXoZ1pqhh5YMYEGQWkZhVTP+qFGTz02Okz+DS2wMp+OnRWxTcWRKw7mr+WXjCpmVlft4OIt3kI3SgZI5aROxWJc+G5b87rRDUl3F/b7MItHPBA0XeFjzkB1pmPL+5gI/soSbluLkJmkveInuuxxERA/qlzl+YiP/FWIBmFdTDcBoaElaE1HHX5uPqhB97drBnNqekzX83ct8FoiqGlif77ovQZUWRC+iLeWDHlSPzw0m849a7RfMPlhWSoFQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

HISTORY | Topics, Shows and This Day in History | HISTORY

Description

Fascinating stories from the past you can trust, plus hit shows.

Final URL

https://www.history.com/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.history.com/

Version

Server

Vercel

X-Powered-By

Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

history.com

Valid from

2026-07-08T15:18:18-05:00

Valid until

2026-10-06T15:18:17-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

3 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

—

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

151.101.130.168, 151.101.194.168, 151.101.2.168, 151.101.66.168

80,87 ms

Cloudflare

1.1.1.1

151.101.130.168, 151.101.194.168, 151.101.2.168, 151.101.66.168

44,45 ms

Quad9

9.9.9.9

151.101.130.168, 151.101.194.168, 151.101.2.168, 151.101.66.168

36,68 ms

OpenDNS

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

history-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 25.7 ms - 
Port 465: Closed/unreachable - 4020.9 ms - 
Port 587: Closed/unreachable - 4022.8 ms -

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