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Total

DNS

Email

Security

Network

100

Availability

Domainplainenglish.io

IPv41

IPv60

MX records5

StatusActive

Domain technical report

In Plain English

plainenglish.io

In Plain English is a leading tech media company founded in 2018. We're home to some of the world's most recognized tech publications, including JavaScript In Plain English, Python In Plain English and AI in Plain English. With contributions from over 50,000 writers and over 80,000 published articles, we've helped educate millions of readers globally. Today, our platform reaches audiences in over 190 countries and has surpassed 200 million views across all content.

Generated: 2026-08-10T21:24:24-05:00 · Cached result

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IPv41

IPv60

MX5

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 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 records20 / 20 pts · Mail

5 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

DMARC0 / 25 pts · Mail

DMARC policy not found.

✓

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

38 day(s) remaining.

✓

Certificate lifetime10 / 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 diversity20 / 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

1 record(s)

216.150.1.1

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
1 aspmx.l.google.com.

TXT

4 record(s)

"v=DMARC1; p=none; rua=mailto:reports@dmarc.notify.cx::text"
"bm-site-verification=87c7831c399aefbdad04d14e4178fe18b7e3cf99"
"nfJc9JdXXUo9iGnKlPEfzXDxFN0cW387NNX8Xojy71U="
"v=spf1 include:_spf.google.com include:spf.revue.co include:amazonses.com ~all"

NS

4 record(s)

ns-cloud-b1.googledomains.com.
ns-cloud-b4.googledomains.com.
ns-cloud-b3.googledomains.com.
ns-cloud-b2.googledomains.com.

SOA

1 record(s)

ns-cloud-b1.googledomains.com. cloud-dns-hostmaster.google.com. 51 21600 3600 259200 300

CAA

0 record(s)

—

Not configured

DS

1 record(s)

30694 8 2 8115BD08896C1AD43AAAC5EA625EA58FE5FD37C9BFFC1014FC17DD2A CC0A34A1

DNSKEY

2 record(s)

257 3 8 AwEAAYg7eQV10cM7stOLVHIOCFbfv3FWD7v1WMRZlEBBSfq93JOXm/Iq mOuEiXZHPVm59ri/NfAP/2NOFMe9YHeXRFJsU6LCr/VRL6A1Pgw3qwRo qOL2i8WQa+EBzF6M1jaCy31IzIMh3gEqgkG0WnbeOIuKRQhDib9MQx6L 0RW23crYXDB2ymxiFbqevqHWpz+T5mzOUMy6/p5Z+QrhVybSU0onrALl sWdVQRxeRXIeKoZU+GWoD/3v9uReiN6GrKhxqKC/vA8gXuACF+ytqpm9 AS/3W6/RdKoDUYS/YwY6xHsWHpTzl77JgMU5WuozqgwIooU2KdfZ+Kci OIKTA3kOVIk=
256 3 8 AwEAAZ3MgK6ZNCcUweA/UZs4/E+tC+ZHNKS/SvSAf6t6sKiA43wUHDfv Hk9Fgia7RZkz3G6yb2ieqFwLFhgh+eB4RVlHkCQxg5IjDmUSZcY3uYIO 5JNh9Ybg+IVmDbDOadGovi7GkXbLPDSxYVjTQ0gmJzd/whswt5/43Fcp rTla3XdF

RRSIG

5 record(s)

DS 8 2 3600 20260830160952 20260809150952 46863 io. Iem8YkYvOL/L5AuBelA1Lc5dDpje6rYkd1BHtcGsJubWqPpzg0So7xkG ChQrZP2kEneynpMtUiewLSYqqEdL89GJg82uhFW8L75mrT725JiL9YZl Ed6+AdEsLRaCfraL8J0bCqY6QGyRsDsyGKAqmk0QDKc6u1kLeNOSUfW7 LUM=
NS 8 2 21600 20260829194442 20260807194442 5085 plainenglish.io. jZFEs4KFAqjstU+mRK8n2d6KpEiiUEeaaWy8lCBXTCJdaMA/wORYRlp7 kM40v8dJ06yLkdsmtJepkBLpAUQAsWO/4rP8ZkIv5I3fWgFGM39wH/Bw KPBWMfbUHja3XkXzLRbhESiQ2SHUyedG2Td0Ncy3IuFgvelblWQQu1wj keA=
SOA 8 2 21600 20260829194442 20260807194442 5085 plainenglish.io. UjrtgSHNWt3sQnwQW0OO8qnOuxmycFCwm9cqXPYDFk+G7BIprUcMgriQ TMDOfV4KSXIFJPRN3j62h1Lxhz6A6ll65Lxw3WlnRK+UpKOqgg9Ivh9F Iq2qnfgy4hH477JF0JPtOx4mjP1SS2CnmVv0w4lzJ8mRRPx/Z3cFVJ/a fbw=
MX 8 2 14400 20260829194442 20260807194442 5085 plainenglish.io. QFf+vLz4LAvIhgZdv36ggXmP2Gq50fcvDyd57o87gAIiSIXoQxnA8HaJ ju6Cl3WbSR0RQsORWqqDI/W4kA74TnJ4B1hmV1ZR0+Wt1iSUnjUAiPVa jZcuw4DbRftQ6KO+ye861keVwbYmF4KZudtIJffdDAmhTOQ8W2k2vHt8 bDc=
A 8 2 14400 20260829194442 20260807194442 5085 plainenglish.io. iQENRDsEXVrs+D0B1jBYXUbRJYs4aAffPPe/G5b/msa4EzNuUW8dg11R 95M/Vemg5RtqJ3XXQXI4M6foG99AuWHc6lVe7TmN7g0XGz1K7hJM5y5Y 7MW8WultsDyXOuquA6x+GfoCV2G8gEAQMp2pxfgv0Q9uuG56btiy2b2h oqM=

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 include:_spf.google.com include:spf.revue.co include:amazonses.com ~all

DMARC

Not configured

—

Not configured

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs3FdfjjOWEZjtbD5X/F7BdjjN3P586fBytpoZsumYd+I7SHAQlUGtPfIwgt+Q2AD2Wrl2M84lwPVQ0NHbfrcPUS7X6KCX5lpjLbQJGpEvTIR5XVgbIcTJc8WYaOZ4reeeVW3x+9m7atAMl1FLhYGcBk5pbY/CHAQaUUa+2NRA1diXznCo8XXTSGBjn+OqGuh9jj1C4L8GqcnFz1pStajfABQnlgCQhmEh2TK3gGRBfDgsLCrTW7o7JZsbbmtxCiXd/FWsr0YJHxsXJK8V5U9MHSt8Gj6//tfUeixA615a449N40JXasa6PcDGvoKrUzYH5LuQGRKr7XNdKbgmikghQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

In Plain English

Description

Final URL

https://plainenglish.io/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://plainenglish.io/

Version

Server

Vercel

X-Powered-By

Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

plainenglish.io

Valid from

2026-06-20T02:14:41-05:00

Valid until

2026-09-18T02:14:40-05:00

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

216.150.1.1

61,74 ms

Cloudflare

1.1.1.1

216.150.1.1

77,31 ms

Quad9

9.9.9.9

216.150.1.1

50,28 ms

OpenDNS

208.67.222.222

216.150.1.1

138,03 ms

AdGuard

94.140.14.14

216.150.1.1

143,25 ms

IP, geolocation and ASNAssociated network information

216.150.1.1

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

alt1.aspmx.l.google.com

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4019.8 ms - 
Port 587: Closed/unreachable - 4020.6 ms -

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