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Total

DNS

Email

Security

Network

100

Availability

Domainytn.co.kr

IPv44

IPv60

MX records2

StatusActive

Domain technical report

YTN

ytn.co.kr

대한민국 24시간 뉴스 방송채널, 실시간 속보 및 제보하기, 분야별 뉴스, 방송 프로그램 다시보기

Generated: 2026-08-11T07:18:04-05:00 · Cached result

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IPv44

IPv60

MX2

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 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 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

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

97 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: server-13-227-87-68.ord58.r.cloudfront.net

✓

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

4 record(s)

13.227.87.68
13.227.87.94
13.227.87.110
13.227.87.42

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

20 mail.ytn.co.kr.
30 navgw.ytn.co.kr.

TXT

3 record(s)

"v=spf1 ip4:210.220.78.194 ip4:210.220.78.184 ip4:210.220.78.9 ip4:210.220.78.10 ip4:210.220.78.203 ip4:210.220.78.204 ip4:211.169.46.9 ip4:183.111.158.55 ip4:210.220.78.196 ip4:210.220.78.197 ~all"
"google-site-verification=_ycBoqf0Hh_dJNXTmRQxWx69feWkerxGs3ie_zxbg7k"
"google-site-verification=KMZhirkL7M249sRBh8bRwtWYKOqDDduYuUiqX9dWffE"

NS

4 record(s)

ns-1459.awsdns-54.org.
ns-337.awsdns-42.com.
ns-2005.awsdns-58.co.uk.
ns-794.awsdns-35.net.

SOA

1 record(s)

ns-794.awsdns-35.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

SPF

Configured

v=spf1 ip4:210.220.78.194 ip4:210.220.78.184 ip4:210.220.78.9 ip4:210.220.78.10 ip4:210.220.78.203 ip4:210.220.78.204 ip4:211.169.46.9 ip4:183.111.158.55 ip4:210.220.78.196 ip4:210.220.78.197 ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:admin@ytn.co.kr

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

YTN

Description

대한민국 24시간 뉴스 방송채널, 실시간 속보 및 제보하기, 분야별 뉴스, 방송 프로그램 다시보기

Final URL

https://ytn.co.kr/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://ytn.co.kr/

Version

Server

Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

ytn.co.kr

Valid from

2026-05-02T19:00:00-05:00

Valid until

2026-11-16T17:59:59-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

0 active

—

HSTSNot detected

—

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

54.192.100.31, 54.192.100.6, 54.192.100.66, 54.192.100.87

73,05 ms

Cloudflare

1.1.1.1

3.171.85.42, 3.171.85.59, 3.171.85.74, 3.171.85.93

387,62 ms

Quad9

9.9.9.9

54.192.100.31, 54.192.100.6, 54.192.100.66, 54.192.100.87

221,75 ms

OpenDNS

208.67.222.222

54.192.100.31, 54.192.100.6, 54.192.100.66, 54.192.100.87

240,10 ms

AdGuard

94.140.14.14

54.192.100.31, 54.192.100.6, 54.192.100.66, 54.192.100.87

542,12 ms

IP, geolocation and ASNAssociated network information

13.227.87.68

No data

success

country

region

city

asn

organization

isp

13.227.87.94

Identified

success

Yes

country

United States

country_code

region

Illinois

city

Chicago

latitude

41.8833426

longitude

-87.6324404

asn

16509

organization

Amazon.com, Inc.

isp

Amazon.com, Inc.

timezone

America/Chicago

13.227.87.110

No data

success

country

region

city

asn

organization

isp

13.227.87.42

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

mail.ytn.co.kr

Port 25: Closed/unreachable - 8.9 ms - 
Port 465: Closed/unreachable - 4007.1 ms - 
Port 587: Closed/unreachable - 4028.5 ms -

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