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Total

DNS

Email

Security

Network

100

Availability

Domainhashnode.com

IPv42

IPv60

MX records5

StatusActive

Domain technical report

Hashnode — The Best Blogging Platform for Builders in Tech

hashnode.com

Hashnode is the blogging platform for builders in tech. Start a blog on your own domain and get found in search and AI engines from day one. Free to start.

Generated: 2026-08-09T12:47:16-05:00 · Cached result

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IPv42

IPv60

MX5

NS2

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

2 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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 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

27 day(s) remaining.

Certificate lifetime6 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 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)

216.150.1.1
216.150.16.1

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 aspmx.l.google.com.
50 aspmx3.googlemail.com.
40 aspmx2.googlemail.com.
30 alt2.aspmx.l.google.com.
20 alt1.aspmx.l.google.com.

TXT

6 record(s)

"v=spf1 mx a:mta-86-54.sparkpostmail.com include:_spf.google.com ~all"
"facebook-domain-verification=xzs9xxdc3es4074y40ofafy2jpj8d4"
"google-site-verification=WnfKREncGAaoXmZTOX-wMRJx6HB1f3XqrtBOpSKvogw"
"google-site-verification=YmcfxOd7ZMeObkdEHy0IPapWSXJdMv25c8cMuAwtrgA"
"ca3-752a53a581ec42cab26fa16064a4d159"
"google-site-verification=orVslG8hACmJ74rmZKaq47ErPCIsaovtOPjf-QgIowM"

NS

2 record(s)

eva.ns.cloudflare.com.
duke.ns.cloudflare.com.

SOA

1 record(s)

duke.ns.cloudflare.com. dns.cloudflare.com. 2411531459 10000 2400 604800 1800

SPF

Configured

v=spf1 mx a:mta-86-54.sparkpostmail.com include:_spf.google.com ~all

DMARC

Configured

v=DMARC1; p=quarantine; sp=none; fo=1; ri=3600; rua=mailto:hashnode@rua.agari.com,mailto:sandeep@hashnode.com; ruf=mailto:hashnode@ruf.agari.com,mailto:sandeep@hashnode.com

DKIM

Selector mx

k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5CoxstJHNWKa6z2pPr5m9j47dxMc8dJ3gz1GXHAyL7y1fjPcLlmlH1/uAAYhyngcCA5Mnu2kOehe4ZUpOm8/swU/KvcB2UGU0QTughDX4tbuYonpv1tkNW7SCnYR9Ni2tRFrAimOkgao0NEOHqXYoc0ikw5/M1g9BKBaCHocsYwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Hashnode — The Best Blogging Platform for Builders in Tech

Description

Hashnode is the blogging platform for builders in tech. Start a blog on your own domain and get found in search and AI engines from day one. Free to start.

Final URL

https://hashnode.com/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://hashnode.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

hashnode.com

Valid from

2026-06-08T03:37:52-05:00

Valid until

2026-09-06T03:37:51-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

1 active

✓

HSTSImplemented

—

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

216.150.1.193, 216.150.16.193

49,71 ms

Cloudflare

1.1.1.1

216.150.1.1, 216.150.16.1

27,84 ms

Quad9

9.9.9.9

216.150.1.129, 216.150.16.129

39,55 ms

OpenDNS

208.67.222.222

216.150.1.1, 216.150.16.1

40,64 ms

AdGuard

94.140.14.14

216.150.1.193, 216.150.16.193

115,20 ms

IP, geolocation and ASNAssociated network information

216.150.1.1

No data

success

country

region

city

asn

organization

isp

216.150.16.1

No data

success

country

region

city

asn

organization

isp

Visitor information

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

aspmx.l.google.com

Port 25: Closed/unreachable - 22.3 ms - 220 mx.google.com ESMTP 46e09a7af769-7f35b5acc1asi6511755a34.38 - gsmtp
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4020.7 ms -

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