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15
Total
45
DNS
0
Email
0
Security
0
Network
20
Availability
Domainre.kr
IPv40
IPv60
MX records0
StatusActive
Domain technical report

re.kr

re.kr

Generated: 2026-08-08T23:07:36-05:00 · Cached result

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IPv40
IPv60
MX0
NS6

DiagnosticsMain findings and recommendations

!
IPv4 (A)0 / 30 pts · Dns

0 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

✓
DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

!
MX records0 / 20 pts · Mail

0 MX record(s).

!
SPF0 / 25 pts · Mail

SPF policy not found.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
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 certificate0 / 55 pts · Security

No valid certificate was retrieved.

!
Certificate lifetime0 / 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 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

!
DNS resolution0 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

0 record(s)
—

Not configured

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

0 record(s)
—

Not configured

NS

6 record(s)
g.dns.kr.
f.dns.kr.
b.dns.kr.
e.dns.kr.
c.dns.kr.
d.dns.kr.

SOA

1 record(s)
g.dns.kr. domain-manager.nic.or.kr. 2608090502 3600 900 604800 900

CAA

0 record(s)
—

Not configured

DS

1 record(s)
7678 13 2 9B0C4FC3D0921025B9138C68F8AAAEEC2FF5A6C7D5083C8ACE1308FA 5C36122C

DNSKEY

2 record(s)
257 3 13 tbFjoVPs7rlgB2gIATpIlyri8DJxTGEZpkSgfDXNS29kfRQ5nWhCZN3r H72cGIAwdEyaybmnTXWXxTc7zDXSvQ==
256 3 13 oanKGB+DZ/KZ1Diyq/6iN5qoxiSKoKeIBY3QBfSS6PJMwZtK9Hs4rW7E p6w9UZAkp2C6NWLyRWoEZYrBxjwvBg==

RRSIG

1 record(s)
DNSKEY 13 2 86400 20260822202123 20260808192123 7678 re.kr. twmjJiSVlDjvrYVyN41SHT8RSViF2MR+9+tLe19YX5kvLRRhABXCj92Q zjgqP45Y8XXROOcvZ8gp7g3TFceyYg==

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

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

No data
Title
Description
Final URL
https://re.kr/
HTTP status

HTTP

Status
Final URL
https://re.kr/
Version
0
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable
Available
No
Issuer
CN
Valid from
Valid until
Days remaining
Protocol
Cipher

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
249,71 ms
Cloudflare
1.1.1.1
211,01 ms
Quad9
9.9.9.9
44,57 ms
OpenDNS
208.67.222.222
164,95 ms
AdGuard
94.140.14.14
251,12 ms

IP, geolocation and ASNAssociated network information

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

re.kr

Port 25: Closed/unreachable - 164.5 ms - 
Port 465: Closed/unreachable - 1.5 ms - 
Port 587: Closed/unreachable - 1.3 ms -

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