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Total

DNS

Email

Security

Network

Availability

Domainkt.com

IPv41

IPv60

MX records1

StatusActive

Domain technical report

KT | 대한민국 대표 통신기업 | 인터넷·TV·스마트폰 공식 채널 안내 | kt.com

kt.com

KT(주식회사 케이티) 공식 기업 사이트(kt.com)입니다. 스마트폰·인터넷·TV 공식 구매는 KT 공식 직영 온라인샵 shop.kt.com(KT 다이렉트샵)에서 가능합니다. KT 대리점·KT스토어·KT몰과는 별개의 KT 공식 직영 채널입니다.

Generated: 2026-08-11T19:19:44-05:00 · Cached result

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IPv41

IPv60

MX1

NS3

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

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

100 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 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 response0 / 40 pts · Availability

HTTP/1.1 405 Not Allowed

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

14.63.149.115

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 mail.kt.com.

TXT

20 record(s)

"google-gws-recovery-domain-verification=44013416"
"MS=ms63549104"
"v=spf1 ip4:14.63.245.0/24 ip4:211.252.120.49 ip4:211.252.120.84 ip4:211.252.120.117 ip4:221.168.51.0/24 include:spf.protection.outlook.com include:_spf.google.com -all"
"cursor-domain-verification-x58ajr=tQlaUafI5TIrYs7dy31uyJlvA"
"atlassian-domain-verification=UB8nYcMxWXtDXlkeuPDzkg/etVi1Q7rBSlliflmfLzoGbI/Cc/ivaz7KWYdzkZFk"
"miro-verification=16b6bc73fdc188e3b3e94b68c9d8017d88596cea"
"domain-verification=e8268a23e9d00f3988444d21aa824918c09f79cdb0b50e1837a6e637bade0dcb"
"openai-domain-verification=dv-23mJCb6YJahhstCHDTp4iGR4"
"lovable_verification=SS5nZePJPzAHu1M4NwKC"
"I/8q5wh8AOSunmUpRY1OlIz/ieYea8NEEfCI6t75jg3Jo8laNOWEXAKsGYUq+btNl7s9gPdmdLPaQn3Jrgp5Eg=="
"CAue/yKV5UsLfDauaNj7n5jRyJvVSa67C1HnjlD3ANI2bEfPFJlTaojiH8VbH/GF2eVwHaKgVpLlY+t3LjzOFw=="
"facebook-domain-verification=bykbwt2ft1n3brozmw5841vxt5mj35"
"google-site-verification=bdgSgFHc0_YSHgIFZZy-5sqGn2kxH8RApVumDPhIn64"
"atlassian-sending-domain-verification=501e13ea-de52-4c49-85d9-9a56ce9a3ac4"
"asv=dabb51d2bee08b9b5f985d89d54af954"
"google-site-verification=MuHitm-zWDyMXMZXYyEqxE98W6kcfL4Ee1Ph9fPYF2Q"
"anthropic-domain-verification-1rmsq2=0kncP3nXvHrpEoPiteUY5s9ud"
"apple-domain-verification=TYAcaeeuRZe57n3G"
"google-site-verification=DmtHvV4Zcn50oYNajz6Vx3HUclqF9UB4r8vU-o8H2sE"
"google-gws-recovery-domain-verification=65957383"

NS

3 record(s)

name3.kt.co.kr.
name.kt.co.kr.
name2.kt.co.kr.

SOA

1 record(s)

name.kt.co.kr. boan.kt.co.kr. 2026081102 10800 3600 1209600 86400

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

0 record(s)

—

Not configured

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

1 record(s)

;; communications error to 69.64.44.20#53: timed out

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:14.63.245.0/24 ip4:211.252.120.49 ip4:211.252.120.84 ip4:211.252.120.117 ip4:221.168.51.0/24 include:spf.protection.outlook.com include:_spf.google.com -all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:group.helpdesk@kt.com

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx8vDKZ6oXDqSiRNzo8BPNzPMyS47A5DjUT1Lo15iUgAwbz/C60OePKsfaneU4TtoESYcy9aL8+r5W+S6HT4c59Z3Fy9dq6ZkKzG20Q0ZOqM+g61B/twBLMGdGlfai5Ss6kHaro6ZABgJeMmHZ2TAOgtJoV+ENFhaRssijO0fEXmku2zjl5stDxB3VAevcYh4FTOJkrbkGFaA+z36jyoWWPkAIJEvogJHTrAt91dSquY7D8BUs/qXQcMjPoTtwdVPEbewfQVq1Jh+zvGHC8+QxJkgnFU1O+cpp6qwXsWl9FslV1qCcfl5iEBUps+HBQiAMiH5nKPiXFeS2W3e1qiH6QIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

KT | 대한민국 대표 통신기업 | 인터넷·TV·스마트폰 공식 채널 안내 | kt.com

Description

Final URL

https://www.kt.com/

HTTP status

206

HTTP

Status

HTTP/1.1 405 Not Allowed

Final URL

https://kt.com/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Sectigo Limited

kt.com

Valid from

2025-10-19T19:00:00-05:00

Valid until

2026-11-20T17:59:59-06:00

Days remaining

100

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

14.63.149.115

66,19 ms

Cloudflare

1.1.1.1

14.63.149.115

861,06 ms

Quad9

9.9.9.9

14.63.149.115

1.736,82 ms

OpenDNS

208.67.222.222

14.63.149.115

434,93 ms

AdGuard

94.140.14.14

14.63.149.115

64,86 ms

IP, geolocation and ASNAssociated network information

14.63.149.115

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.216.212

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.kt.com

Port 25: Closed/unreachable - 220 ms - 
Port 465: Closed/unreachable - 4018.7 ms - 
Port 587: Closed/unreachable - 4227.8 ms -

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