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71
Total
70
DNS
70
Email
69
Security
20
Network
100
Availability
Domainimbc.com
IPv41
IPv60
MX records2
StatusActive
Domain technical report

만나면 좋은 친구 MBC

imbc.com

좋은 콘텐츠로 더 나은 세상을 만듭니다! 콘텐츠 중심의 글로벌 미디어그룹, MBC

Generated: 2026-08-10T13:51:52-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX2
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

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

225 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

i
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)
121.254.134.116

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 kr1-aspmx2.worksmobile.com.
0 kr1-aspmx1.worksmobile.com.

TXT

3 record(s)
"v=spf1 ip4:211.171.60.110 ip4:121.254.133.141 ip4:121.254.133.142 ip4:121.254.133.131 ip4:121.254.133.143 ip4:121.254.133.144 ip4:121.254.134.149 ip4:121.254.134.25 -all"
"_jxsdvbfy27i3yzxpgc6dih7x4p0ervp"
"_kuyj7k2yqfvg3bdrtjbrcxaqb5q8fhu"

NS

2 record(s)
ns2.imbc.com.
ns.imbc.com.

SOA

1 record(s)
ns.imbc.com. root.ns.imbc.com. 2026080401 1800 300 604800 300

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

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 ip4:211.171.60.110 ip4:121.254.133.141 ip4:121.254.133.142 ip4:121.254.133.131 ip4:121.254.133.143 ip4:121.254.133.144 ip4:121.254.134.149 ip4:121.254.134.25 -all

DMARC

Configured
v=DMARC1; p=none; rua=mailto:jwkim@imbc.co.kr;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
만나면 좋은 친구 MBC
Description
좋은 콘텐츠로 더 나은 세상을 만듭니다! 콘텐츠 중심의 글로벌 미디어그룹, MBC
Final URL
https://www.imbc.com/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.imbc.com/
Version
3
Server
Microsoft-IIS/8.5
X-Powered-By
ASP.NET

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.imbc.com
Valid from
2026-02-19T18:00:00-06:00
Valid until
2027-03-23T18:59:59-05:00
Days remaining
225
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

1 active
—
HSTSNot detected
✓
Content Security PolicyImplemented
—
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
121.254.134.116
316,87 ms
Cloudflare
1.1.1.1
121.254.134.116
200,10 ms
Quad9
9.9.9.9
121.254.134.116
250,73 ms
OpenDNS
208.67.222.222
121.254.134.116
281,62 ms
AdGuard
94.140.14.14
121.254.134.116
232,37 ms

IP, geolocation and ASNAssociated network information

121.254.134.116

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

kr1-aspmx2.worksmobile.com

Port 25: Closed/unreachable - 108.2 ms - 
Port 465: Closed/unreachable - 4003 ms - 
Port 587: Closed/unreachable - 4028 ms -

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