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Total

DNS

Email

Security

Network

100

Availability

Domainradiko.jp

IPv41

IPv60

MX records5

StatusActive

Domain technical report

radiko(ラジコ) | インターネット・スマホアプリで聴けるラジオ

radiko.jp

radiko(ラジコ)はスマートフォンやアプリ・パソコンでラジオが聴ける無料のサービスです。1週間以内に放送された番組が聴けるタイムフリー聴取機能や、全国のラジオが聴き放題のラジコプレミアムも！AM・FMラジオ対応

Generated: 2026-08-10T12:37:21-05:00 · Cached result

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IPv41

IPv60

MX5

NS2

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

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 propagation10 / 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

121 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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

203.211.199.120

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

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

TXT

4 record(s)

"google-site-verification=qtOYk2jnvD0tpZb98IhSq5F7df_gL0JzWSi5L12MgDs"
"google-site-verification=fsnJZI3fDcPPHmvsNgyNUvgE8H5Bq4YG3K5UrVZ1liw"
"google-site-verification=OT1OkQwO9r7lunJ-6CIbFbczaiATO2bwHePeI5lV7SM"
"v=spf1 +ip4:203.211.199.64/26 +ip4:124.241.233.0/24 +ip4:203.211.203.144/28 +ip4:210.172.34.104/29 +ip4:210.172.37.24/29 +ip4:210.172.38.152/29 +ip4:219.96.78.56/29 +ip4:219.96.79.208/29 +ip4:124.146.170.8 +ip4:124.146.170.9 include:_spf.google.com ~all"

NS

2 record(s)

quincy.ns.cloudflare.com.
lovisa.ns.cloudflare.com.

SOA

1 record(s)

lovisa.ns.cloudflare.com. dns.cloudflare.com. 2411598426 10000 2400 604800 1800

SPF

Configured

v=spf1 +ip4:203.211.199.64/26 +ip4:124.241.233.0/24 +ip4:203.211.203.144/28 +ip4:210.172.34.104/29 +ip4:210.172.37.24/29 +ip4:210.172.38.152/29 +ip4:219.96.78.56/29 +ip4:219.96.79.208/29 +ip4:124.146.170.8 +ip4:124.146.170.9 include:_spf.google.com ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc-reports@radiko.co.jp;

DKIM

Selector default

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCovmmBGn/LdO2N1W0v6rJ1285cpFdK6Kky/QWIS64WtjYcWCFqYLFR6zOR9np25QxAzii+3UNfFd3yE+J+8RGryCBARVXJ7tAOzMW1H2trAYoe7C7syL+mWSaFuXqCJNT95myMwxDS7SQIgHkCNJ46qInu6ZxqQsTCLejZesU5cwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

radiko(ラジコ) | インターネット・スマホアプリで聴けるラジオ

Description

Final URL

https://radiko.jp/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://radiko.jp/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Sectigo Limited

radiko.jp

Valid from

2026-05-24T19:00:00-05:00

Valid until

2026-12-09T17:59:59-06:00

Days remaining

121

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

1 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

✓

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

203.211.199.120

92,88 ms

Cloudflare

1.1.1.1

203.211.199.120

39,88 ms

Quad9

9.9.9.9

203.211.199.120

26,09 ms

OpenDNS

208.67.222.222

203.211.199.120

34,65 ms

AdGuard

94.140.14.14

203.211.199.120

51,91 ms

IP, geolocation and ASNAssociated network information

203.211.199.120

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 - 0.8 ms - 
Port 465: Closed/unreachable - 4018.5 ms - 
Port 587: Closed/unreachable - 4009.6 ms -

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