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Total

DNS

Email

Security

Network

Availability

Domainkoreanair.com

IPv42

IPv60

MX records5

StatusActive

Domain technical report

koreanair.com

Generated: 2026-08-09T17:14:14-05:00 · Cached result

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IPv42

IPv60

MX5

NS4

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

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 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

141 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-3-36-141-225.ap-northeast-2.compute.amazonaws.com

✓

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 response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

3.36.141.225
15.164.57.150

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

TXT

15 record(s)

"cisco-ci-domain-verification=8b6f5f01a0ef2f8fe99d7ae0ed049295c463a0ec47d188b990979c2b6870d47"
"google-site-verification=yRfR4GKIEB0QIKqDU09aRbezb1cS8B08H450W-6Y_O0"
"workplace-domain-verification=YhyaBy1iH9Frc7dTGbcT817Mjd1ZnF"
"v=verifydomain MS=ms79543017"
"DirectFedAuthUrl=https://sso.skyteam.com/app/lams_entraidauthentication_1/exki1nw5b7Ankn4wZ417/sso/saml"
"_globalsign-domain-verification=c6ZJAJgtTTaIMDUwfezCSGo3it4ctLWOOzJjSh9iX1"
"v=spf1 ip4:210.105.0.253 ip4:210.105.2.1 ip4:210.105.2.5 ip4:210.105.3.73 ip4:210.105.12.0/24 ip4:210.172.94.128/28 ip4:210.190.116.0/25 ip4:118.107.163.170 ip4:210.229.173.192/26 ip4:207.243.58.220 ip4:13.209.193.44 ip4:3.36.252.88 ip4:61.250.88.173" " ip4:59.15.10.2 ip4:59.15.10.3 ip4:15.164.131.59 ip4:15.164.134.230 ip4:15.164.206.187 ip4:15.164.206.52 ip4:15.164.247.202 ip4:15.164.253.224 ip4:15.164.35.97 ip4:15.164.41.222 ip4:15.164.57.7 ip4:15.165.109.62 ip4:15.165.114.150 ip4:15.165.118.1" " ip4:15.165.136.61 ip4:15.165.150.235 ip4:15.165.179.159 ip4:15.165.215.212 ip4:15.165.217.65" " ip4:211.218.145.100 ip4:211.218.145.101 ip4:211.218.145.102 ip4:211.218.145.103 ip4:211.218.145.104 ip4:211.218.145.105 ip4:211.218.145.106 ip4:211.218.145.107 ip4:119.207.76.7 ip4:3.35.62.67 ip4:3.39.176.2" " ip4:15.164.120.34 ip4:52.78.42.221 ip4:54.180.180.127" " ip4:211.48.18.176 ip4:211.48.18.177 ip4:211.48.18.178 ip4:211.48.18.179" " include:_spf.hiworks.co.kr include:_spf.google.com  include:email.ncloud.com ~all"
"facebook-domain-verification=sbmupk98pvsvb1i6lyr4xhro8aovcc"
"google-site-verification=e_NF008YP_F5URXm-xjEC4vPAwuEDH8W1qeshNR_NZU"
"jamf-site-verification=3tndfqKIP_r301sgSC_Q4w"
"workplace-domain-verification=9ts5Wd577PELdb2AEaOcjYWeGgQlQH"
"ntvHbrocmbQXDYlMp14fnAWRKdU3EmD//7gXnRzn7qy4df7rBdlDJuKC6IJRJlXsnsFkBhnZPtigCsjcwjU/vw=="
"mailer.domain.verification=DGleKOTanCI1qxTDEZRurwnc3UDA9U"
"google-site-verification=lBaUfzedg_ncVgoKkegXR_9cFeX3g__Be5GDUrxBqCQ"
"google-site-verification=fHVfIyT2Sg8zncOEp23dbtXqvJsFY1jeSTmAS5u_F6I"

NS

4 record(s)

ns-130.awsdns-16.com.
ns-1682.awsdns-18.co.uk.
ns-1232.awsdns-26.org.
ns-875.awsdns-45.net.

SOA

1 record(s)

ns-1682.awsdns-18.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

SPF

Configured

v=spf1 ip4:210.105.0.253 ip4:210.105.2.1 ip4:210.105.2.5 ip4:210.105.3.73 ip4:210.105.12.0/24 ip4:210.172.94.128/28 ip4:210.190.116.0/25 ip4:118.107.163.170 ip4:210.229.173.192/26 ip4:207.243.58.220 ip4:13.209.193.44 ip4:3.36.252.88 ip4:61.250.88.173 ip4:59.15.10.2 ip4:59.15.10.3 ip4:15.164.131.59 ip4:15.164.134.230 ip4:15.164.206.187 ip4:15.164.206.52 ip4:15.164.247.202 ip4:15.164.253.224 ip4:15.164.35.97 ip4:15.164.41.222 ip4:15.164.57.7 ip4:15.165.109.62 ip4:15.165.114.150 ip4:15.165.118.1 ip4:15.165.136.61 ip4:15.165.150.235 ip4:15.165.179.159 ip4:15.165.215.212 ip4:15.165.217.65 ip4:211.218.145.100 ip4:211.218.145.101 ip4:211.218.145.102 ip4:211.218.145.103 ip4:211.218.145.104 ip4:211.218.145.105 ip4:211.218.145.106 ip4:211.218.145.107 ip4:119.207.76.7 ip4:3.35.62.67 ip4:3.39.176.2 ip4:15.164.120.34 ip4:52.78.42.221 ip4:54.180.180.127 ip4:211.48.18.176 ip4:211.48.18.177 ip4:211.48.18.178 ip4:211.48.18.179 include:_spf.hiworks.co.kr include:_spf.google.com  include:email.ncloud.com ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarctest@koreanair.com

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlDVaj8A59/0rEBfDjF/eJj/7VZPcQq7iDXVT9YLFGnqr0uwFusfaME3dHpMfruucg5jhBGynETEnvP5qIvUk0GSN4W9ESTYvkMVcJL2N5d0vNr++zGiAismRfMzIm1yl39X8j6M82hWqQmL0/ZXyYosIaT44X9Pg5XMuCiBwL4yZDyjWGKOU2uOiy0tEfC1hRhOYInoqP5baMxQYc+Kmlz3R+fyQAF+GjYe8nKe/l1xZQHLiIEAsDLP9WvFdAP4OJ/mZPgLdaGT/u5bHHJ3TUl0ONFuTKLaSlX6jrYqAxFp9JlbOfY2EhgTR2COWZH1djp0J8Pf1IRGZctbMROFfZQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://koreanair.com/

HTTP status

HTTP

Status

HTTP/2 403

Final URL

https://www.koreanair.com:443/

Version

Server

AkamaiGHost

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

*.koreanair.com

Valid from

2025-11-29T18:00:00-06:00

Valid until

2026-12-28T17:59:59-06:00

Days remaining

141

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

3 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

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

15.164.57.150, 3.36.141.225

75,41 ms

Cloudflare

1.1.1.1

15.164.57.150, 3.36.141.225

58,14 ms

Quad9

9.9.9.9

15.164.57.150, 3.36.141.225

41,57 ms

OpenDNS

208.67.222.222

15.164.57.150, 3.36.141.225

34,03 ms

AdGuard

94.140.14.14

15.164.57.150, 3.36.141.225

156,93 ms

IP, geolocation and ASNAssociated network information

3.36.141.225

No data

success

country

region

city

asn

organization

isp

15.164.57.150

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 - 4021.2 ms - 
Port 587: Closed/unreachable - 4012.7 ms -

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