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🤖 AI Intelligence Summary
The domain signinfo.co.kr is registered with an undisclosed registrar, first registered on 2002-03-21 and expires on 2028-03-21 (domain age: 24 years, 6 months). It resolves to IP address 218.145.31.135, hosted by Korea Telecom. Email delivery is handled by Self-hosted or Custom. No valid SPF record was detected. DMARC protection is missing or unconfigured.
Domain Overview: signinfo.co.kr
Domain Registration
Active
24 years, 6 months
Expires in 1 year, 5 months, 3 days · DNSSEC: Unsigned
Email Security
SPF: Missing
DKIM: Not Detected
DMARC: Missing
Self-hosted or Custom (2 MX)
SSL Certificate
Untrusted
N/A Days Left
Issuer: N/A
Server & Hosting
N/A
N/A
Seongnam-si (Buljeong-ro), Gyeonggi-do, South Korea (KR)
🌐 Domain & Registration Identity View Full Whois Details →
| Domain | signinfo.co.kr |
|---|---|
| Website Title | |
| Registered | 2002-03-21 |
| Expires | 2028-03-21 |
| Remaining Validity | 1 year, 5 months, 3 days |
| Domain Age | 24 years, 6 months |
| Registrar | N/A |
| Domain Status | active |
| DNSSEC Delegation | Unsigned · Zone not signed with DNSSEC keys |
| Authoritative Nameservers |
ns.designbaro.co.kr
|
🛡️ Email Security & Deliverability (SPF, DKIM, DMARC) View Complete Email Security Diagnostics →
| Detected Email Provider | 📬 Self-hosted or Custom |
|---|---|
| Primary Mail Server (MX) |
ASPMX.daum.net (Priority: 10)
· 2 MX servers configured
|
| SPF Record (Sender Policy) | Missing |
| DKIM Authentication | Not Detected · (No common third-party selector found; custom keys may be configured) |
| DMARC Policy | Missing |
| SMTP Port 25 Status | Online (301ms) · Inbound mail server handshake response |
🖥️ Web Server, Hosting & Network View Full Server & Tech Details →
| Web Server Software | N/A |
|---|---|
| HTTP Status Code | N/A |
| Server IP (IPv4) | 218.145.31.135 View Geo Details → |
| IPv6 Address (AAAA) | Not Configured |
| Reverse DNS (PTR) |
None Detected (No PTR Record)
|
| Server Location | 📍 Seongnam-si (Buljeong-ro), Gyeonggi-do, South Korea (KR) |
| ASN Network & ISP | AS4766 (Korea Telecom) |
| Hosting Provider | Korea Telecom |
| Control Panel | Not Detected |
| Technology Stack | No third-party framework or CMS fingerprints detected |
| HTTP Security Headers | None Detected (Missing HSTS / CSP) Audit Details → |
| DNSBL Blacklist Reputation | Clean (0/5 lists) |
🔒 SSL/TLS Certificate Summary View Full SSL Certificate & Chain →
| Primary Hostname (CN) | N/A |
|---|---|
| SSL Issuer | N/A |
| SSL Valid Till | N/A |
| Remaining Validity | N/A Days |
| Chain Status | Invalid / Untrusted |
| Signature Algorithm | N/A |