{ "ok": true, "domain": "kaywa.com", "generated_at": "2026-08-11T05:05:47-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 80, "label": "Good", "categories": { "dns": 85, "mail": 90, "security": 65, "network": 50, "availability": 100 }, "category_weights": { "dns": 25, "mail": 20, "security": 25, "network": 10, "availability": 20 }, "items": [ { "category": "dns", "title": "IPv4 (A)", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "1 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 0, "lost_points": 10, "detail": "0 IPv6 address(es) detected." }, { "category": "dns", "title": "Name server redundancy", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "3 NS record(s); 2 or more required." }, { "category": "dns", "title": "SOA record", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "Authoritative zone record." }, { "category": "dns", "title": "DNSSEC chain", "max_points": 15, "earned_points": 15, "lost_points": 0, "detail": "DS and DNSKEY detected." }, { "category": "dns", "title": "CAA policy", "max_points": 5, "earned_points": 0, "lost_points": 5, "detail": "Certificate authority restriction." }, { "category": "dns", "title": "DNS propagation", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "Agreement between public resolvers." }, { "category": "mail", "title": "MX records", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "1 MX record(s)." }, { "category": "mail", "title": "SPF", "max_points": 25, "earned_points": 25, "lost_points": 0, "detail": "SPF policy published." }, { "category": "mail", "title": "DMARC", "max_points": 25, "earned_points": 25, "lost_points": 0, "detail": "DMARC policy published." }, { "category": "mail", "title": "DKIM", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "A DKIM selector was verified." }, { "category": "mail", "title": "MTA-STS", "max_points": 5, "earned_points": 0, "lost_points": 5, "detail": "Mail transport policy." }, { "category": "mail", "title": "TLS-RPT", "max_points": 5, "earned_points": 0, "lost_points": 5, "detail": "TLS reporting policy." }, { "category": "security", "title": "Valid TLS certificate", "max_points": 55, "earned_points": 55, "lost_points": 0, "detail": "70 day(s) remaining." }, { "category": "security", "title": "Certificate lifetime", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "Full points require at least 30 days remaining." }, { "category": "security", "title": "HTTP security headers", "max_points": 35, "earned_points": 0, "lost_points": 35, "detail": "0 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: ec2-34-234-244-157.compute-1.amazonaws.com" }, { "category": "network", "title": "IPv4 diversity", "max_points": 35, "earned_points": 20, "lost_points": 15, "detail": "Two or more IPv4 addresses receive full points." }, { "category": "network", "title": "IPv6 connectivity", "max_points": 35, "earned_points": 0, "lost_points": 35, "detail": "AAAA availability." }, { "category": "availability", "title": "DNS resolution", "max_points": 40, "earned_points": 40, "lost_points": 0, "detail": "At least one address family must resolve." }, { "category": "availability", "title": "HTTP response", "max_points": 40, "earned_points": 40, "lost_points": 0, "detail": "HTTP/1.1 200 OK" }, { "category": "availability", "title": "HTTPS final URL", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "Final URL uses HTTPS." } ], "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.", "diagnostics": [ { "level": "ok", "title": "IPv4 (A)", "detail": "1 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "error", "title": "IPv6 (AAAA)", "detail": "0 IPv6 address(es) detected.", "category": "dns", "max_points": 10, "earned_points": 0, "lost_points": 10 }, { "level": "ok", "title": "Name server redundancy", "detail": "3 NS record(s); 2 or more required.", "category": "dns", "max_points": 20, "earned_points": 20, "lost_points": 0 }, { "level": "ok", "title": "SOA record", "detail": "Authoritative zone record.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "ok", "title": "DNSSEC chain", "detail": "DS and DNSKEY detected.", "category": "dns", "max_points": 15, "earned_points": 15, "lost_points": 0 }, { "level": "error", "title": "CAA policy", "detail": "Certificate authority restriction.", "category": "dns", "max_points": 5, "earned_points": 0, "lost_points": 5 }, { "level": "ok", "title": "DNS propagation", "detail": "Agreement between public resolvers.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "ok", "title": "MX records", "detail": "1 MX record(s).", "category": "mail", "max_points": 20, "earned_points": 20, "lost_points": 0 }, { "level": "ok", "title": "SPF", "detail": "SPF policy published.", "category": "mail", "max_points": 25, "earned_points": 25, "lost_points": 0 }, { "level": "ok", "title": "DMARC", "detail": "DMARC policy published.", "category": "mail", "max_points": 25, "earned_points": 25, "lost_points": 0 }, { "level": "ok", "title": "DKIM", "detail": "A DKIM selector was verified.", "category": "mail", "max_points": 20, "earned_points": 20, "lost_points": 0 }, { "level": "error", "title": "MTA-STS", "detail": "Mail transport policy.", "category": "mail", "max_points": 5, "earned_points": 0, "lost_points": 5 }, { "level": "error", "title": "TLS-RPT", "detail": "TLS reporting policy.", "category": "mail", "max_points": 5, "earned_points": 0, "lost_points": 5 }, { "level": "ok", "title": "Valid TLS certificate", "detail": "70 day(s) remaining.", "category": "security", "max_points": 55, "earned_points": 55, "lost_points": 0 }, { "level": "ok", "title": "Certificate lifetime", "detail": "Full points require at least 30 days remaining.", "category": "security", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "error", "title": "HTTP security headers", "detail": "0 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 0, "lost_points": 35 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: ec2-34-234-244-157.compute-1.amazonaws.com", "category": "network", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "warning", "title": "IPv4 diversity", "detail": "Two or more IPv4 addresses receive full points.", "category": "network", "max_points": 35, "earned_points": 20, "lost_points": 15 }, { "level": "error", "title": "IPv6 connectivity", "detail": "AAAA availability.", "category": "network", "max_points": 35, "earned_points": 0, "lost_points": 35 }, { "level": "ok", "title": "DNS resolution", "detail": "At least one address family must resolve.", "category": "availability", "max_points": 40, "earned_points": 40, "lost_points": 0 }, { "level": "ok", "title": "HTTP response", "detail": "HTTP/1.1 200 OK", "category": "availability", "max_points": 40, "earned_points": 40, "lost_points": 0 }, { "level": "ok", "title": "HTTPS final URL", "detail": "Final URL uses HTTPS.", "category": "availability", "max_points": 20, "earned_points": 20, "lost_points": 0 } ] }, "dns": { "records": { "A": [ "34.234.244.157" ], "AAAA": [], "CNAME": [], "MX": [ "10 inbound-smtp.us-east-1.amazonaws.com." ], "TXT": [ "\"v=spf1 include:amazonses.com ~all\"", "\"_6zxpq6boqppgk46og1ufj0khnb6hc57\"", "\"amazonses:RSpfMthjiiFFiwppzNPpVEOrD9YfnmTM0mjMqPu+Sro=\"", "\"google-site-verification=CRk6ikpMK2dey7demNTULRC0MHH9hMiQpWqVrhGG_pE\"", "\"rhpyh2ydglj91gz5dcn8pr6mlp865x75\"", "\"c7rs9p7bn91l3y4j008ghyzspf8v6h0q\"", "\"p064m3k43wcw2nt38k5jj3dtt3cs1321\"", "\"s53yn512qczdpt2w66bg8j10wcx69hgh\"", "\"_o65mn5orc0uml4ms6lltymev3ki6kh5\"" ], "NS": [ "ns2.netzone.ch.", "ns3.netzone.ch.", "ns1.netzone.ch." ], "SOA": [ "ns1.netzone.ch. hostmaster.netzone.ch. 2026080800 900 900 900 900" ], "CAA": [], "DS": [ "3539 8 2 E01D02DEE56E8E6544FA49D439D76F96348D0C53881D11BFFBBC98DE 14626FC2" ], "DNSKEY": [ "256 3 8 AwEAAbpH7Mgspz+ROz+ZzVZK2+Xo9Dr97yRgU/xn7ZShyrx6EUR9CFUu 66xnOmCe/yO89XyOVQ3NAy1y9WEJUwkJ19GxnUQCQPFtjuTq8pi8W1oX 3mUaApbtryiu2xlB5VGmmrJeSLO3ZF0AC6ePvvVAgAEQN25riHgHerml pIpPb9nB", "256 3 8 AwEAAeOzzGHsi2n5iWzxWNmZzJQ+IJ892N7XDGHmUHHv4O63WrIuE8Nk x5oxQBkOvmwQefbBlvpb3dfHnlEeT29NS6FzrL0uzNMCPec3WjIklCla SeAkuyvwbsM0sztelQMRPP6dSSc+KYVfR0lzTX9/sn0WWxw7QA660D6/ 1Ra5b6U/", "257 3 8 AwEAAdFnwPU4Z8Fg2xAU78K2XJHU/JDyayCLhmlBKcEwExJUqI05VHeK 27Av9cNNDWu0WYB5kUhspYfnN65JbaFI69v6sZulsclDST8aeiAKL1Fk fzd2gfVgKYJcWILpbCPMcfprzGDOMgH8dRrjKPoi+50dF5sqnaqu1XB2 gHTlhcxdRSwZ2plnLj2mHauE/BlfjdvQkY/E1r2qQQOI0nYNDHG530wk rnA40+xCjt0sraGvSpK1OlXXoVqEEDAWMgYVrw1AM74iyd+UL8qp6zEc M+y+K015zm3hmaeV5i4aMCpbbMtd292TXeges4JXeAt7TWzSlxWRV4k3 szr8lA7HH/M=" ], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "34.234.244.157" ], "ipv6": [] }, "mail": { "spf": "v=spf1 include:amazonses.com ~all", "dmarc": "v=DMARC1;p=quarantine;pct=100;fo=1", "dkim_selector": "default", "dkim_host": "default._domainkey.kaywa.com", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4SlxcywSlvneA89+ab/6pAljbagOIA0+O/ly5besqyWduP767ZfeTwH9KB5QtNCDwucU+VXCD7iCThYvKLtrFG+l5fozcaVabK9oeiJN3gOBkLUK/9sFj33X8x+ug9gZcuG5FL5dx5Pc6CqjYRXv9D14DPZhUQLhmFLvuw3ri7QIDAQAB;", "spf_analysis": { "valid": true, "lookups": 1, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "ec2-34-234-244-157.compute-1.amazonaws.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "34.234.244.157" ], "time_ms": 107.92 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "34.234.244.157" ], "time_ms": 64.21 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "34.234.244.157" ], "time_ms": 47.84 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "34.234.244.157" ], "time_ms": 68.63 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "34.234.244.157" ], "time_ms": 195.45 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "kaywa.com", "valid_from": "2026-07-23T02:29:07-05:00", "valid_to": "2026-10-21T02:29:06-05:00", "days_remaining": 70, "san": [ "*.kaywa.com", "kaywa.com" ], "protocol": "TLSv1.2", "cipher": "ECDHE-ECDSA-AES256-GCM-SHA384" }, "http": { "url": "https://qrcode.kaywa.com/", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "date": "Tue, 11 Aug 2026 10:05:38 GMT", "server": "Apache", "location": "https://qrcode.kaywa.com/", "vary": "Accept-Encoding", "content-type": "text/html; charset=utf-8", "x-powered-by": "PHP/5.3.29", "set-cookie": "PHPSESSID=j4t7pe9nf93l4t4s2kj6vp4qo3; path=/", "expires": "Thu, 19 Nov 1981 08:52:00 GMT", "cache-control": "no-store, no-cache, must-revalidate, post-check=0, pre-check=0", "pragma": "no-cache" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": false, "x-frame-options": false, "referrer-policy": false, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "Apache", "powered_by": "PHP/5.3.29" }, "webpage": { "url": "https://qrcode.kaywa.com/", "title": "Free QR Code Generator, Coupon, Contact & Design QR Codes & Tracking", "description": "Create URL, Coupon, Facebook, Contact QR Codes. Scan them with the Kaywa Reader. Kaywa's professional QR Management offers Custom Design Codes, Analytics and much more", "success": true, "error": "", "status": 206 }, "network": { "34.234.244.157": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "inbound-smtp.us-east-1.amazonaws.com", "ports": [ { "port": 25, "open": false, "time_ms": 1.3, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4034.9, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.6, "banner": "", "error": "Connection timed out" } ] }, "visitor": { "ip": "216.73.217.62", "reverse": "", "country": "", "country_code": "", "region": "", "city": "", "latitude": null, "longitude": null, "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": true, "cloudflare": false }, "analysis_time_ms": 119.34 }