.kr Domain Expired: Recovery Steps and Deadlines
.kr domain expired? Unlike .com there's no redemption period — you get about 30 days to renew before deletion, then it's gone. Free instant check, no sign-up.
DiagnoseDomain, IP & Network Guides
Guides for domain registration and RDAP/WHOIS, expiry and status flags, IP changes, and network ownership. Each guide includes a free lookup.
Domain & Network — 19 guides
"Your IP Has Been Temporarily Blocked" Fix
"Your IP has been temporarily blocked"? Tell rate limiting, WAF, fail2ban, and flagged VPN/datacenter IPs in 4 checks. Free instant IP lookup, no sign-up.
Diagnose1009 Access Denied: Country or Region Banned (Cloudflare)
Error 1009: Cloudflare blocked your country with a 403. See which country your IP maps to and whether a VPN exit tripped it. Free instant check, no sign-up.
Diagnose550 5.7.606 Access denied, banned sending IP — Fix
550 5.7.606 means Microsoft 365 banned your sending IP. Fix it in 4 checks: delist portal, PTR, IP reputation, root cause. Free instant check, no sign-up.
DiagnoseCheck Domain Owner and Expiry Date (RDAP/WHOIS)
Check any domain's owner, registrar, and expiry date with RDAP: read status flags like redemptionPeriod, see what GDPR hides. Free instant check, no sign-up.
DiagnoseclientHold, pendingDelete and Domain Expiry: What Each Means
What clientHold, serverHold, redemptionPeriod and pendingDelete mean, the gTLD expiry timeline, and what the owner can still do at each stage.
DiagnoseDomain Diagnosis Checklist: What the All-in-One Scan Checks
What DechoNet's all-in-one domain check runs, how its 0-100 score and grade are calculated, what it can't see, and which findings to fix first.
DiagnoseDomain Migration Checklist: Redirects, DNS, Email and SEO
Move a site to a new domain without losing search traffic or mail: the per-URL 301 map, Change of Address, certificates, email auth, TTLs, and what to watch.
DiagnoseERR_NETWORK_CHANGED: Your Network Changed, Not the Site
ERR_NETWORK_CHANGED means your connection moved mid-request, not a dead site. Rule out VPN, Wi-Fi flapping, and IPv6. Free instant check, no sign-up.
DiagnoseError 1005 Access Denied: ASN Banned (Cloudflare)
Error 1005 means a site banned your ASN, not just your IP — switching IPs won't help. Find your ASN and why it's flagged. Free instant check, no sign-up.
DiagnoseError 1006, 1007, 1008 Access Denied: IP Banned (Cloudflare)
Error 1006/1007/1008 means a site owner banned your IP on Cloudflare — not an outage, not your device. Find which IP you present in 3 checks. Free instant check, no sign-up.
DiagnoseError 1010 Browser Signature Banned (Cloudflare)
Error 1010 is Cloudflare blocking your browser's signature, not your IP. Tell it apart from 1020, 1015, and 1009 in 3 checks. Free instant check, no sign-up.
DiagnoseError 1020 Access Denied (Cloudflare) Fix
Cloudflare Error 1020: a firewall rule blocked the request. Isolate which one — IP reputation, country/ASN, WAF, or rate limit — in 4 checks. Free instant IP check.
DiagnoseGabia Domain Expired: Recovery Steps and Deadlines
Gabia domain expired? Read the RDAP status flag to find your stage — grace, redemption, or pendingDelete — and how many days are left. Free instant check.
DiagnoseHost key verification failed (SSH)
Host key verification failed: is it a reinstalled server or a man-in-the-middle? How to check before you delete the key. Free instant check, no sign-up.
DiagnoseHow to Check if an IP Is a VPN or Proxy, and the Limits
How sites decide an IP is a VPN, proxy or data center (ASN, exit lists, WebRTC and DNS leaks), how to check an IP yourself, and what our IP check misses.
DiagnoseRDAP vs WHOIS: What RDAP Is and Why It Replaced WHOIS
What RDAP (Registration Data Access Protocol) is, how it differs from WHOIS, how to query it with curl, why fields are redacted, and which TLDs lack it.
DiagnoseWebsite Security Score: How to Check Yours in One Scan
Website security score: what the grade measures across DNS, SSL, headers, email, and ports, and which fixes raise it fastest. Free instant check, no sign-up.
DiagnoseWhy Does My IP Address Keep Changing?
Why your public IP changes: ISP leases, PPPoE reconnects, CGNAT, IPv6 privacy addresses, mobile data, VPNs. How to tell which, and how to get a stable IP.
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