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feat(canary): add DNS diagnostics for register.walletconnect.com (#5237)
Co-authored-by: Claude <noreply@anthropic.com>
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‎apps/laboratory/dns-check.sh‎

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#!/bin/bash
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# DNS troubleshooting script for register.walletconnect.com
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# This script performs comprehensive DNS diagnostics without failing on errors
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DOMAIN="register.walletconnect.com"
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URL="https://${DOMAIN}"
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OUTPUT_FILE="dns-output.txt"
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{
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo "🔍 DNS Troubleshooting Report for ${DOMAIN}"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo "Timestamp: $(date --iso-8601=seconds 2>/dev/null || date)"
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echo ""
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# 1. Check current DNS resolver configuration
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echo "1️⃣ DNS Resolver Configuration"
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echo "────────────────────────────────────────────────────────"
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if [ -f /etc/resolv.conf ]; then
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echo "Contents of /etc/resolv.conf:"
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cat /etc/resolv.conf
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else
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echo "⚠️ /etc/resolv.conf not found"
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fi
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echo ""
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# 2. DNS Resolution using different tools
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echo "2️⃣ DNS Resolution Tests"
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echo "────────────────────────────────────────────────────────"
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# Try dig
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echo "Using dig:"
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if command -v dig &> /dev/null; then
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dig +short ${DOMAIN} || echo "⚠️ dig failed"
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echo ""
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echo "Full dig output with trace:"
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dig ${DOMAIN} +trace || echo "⚠️ dig +trace failed"
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else
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echo "⚠️ dig command not available"
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fi
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echo ""
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# Try nslookup
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echo "Using nslookup:"
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if command -v nslookup &> /dev/null; then
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nslookup ${DOMAIN} || echo "⚠️ nslookup failed"
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else
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echo "⚠️ nslookup command not available"
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fi
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echo ""
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# Try host
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echo "Using host:"
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if command -v host &> /dev/null; then
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host ${DOMAIN} || echo "⚠️ host failed"
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else
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echo "⚠️ host command not available"
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fi
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echo ""
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# 3. Check DNS with public resolvers
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echo "3️⃣ Testing with Public DNS Resolvers"
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echo "────────────────────────────────────────────────────────"
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if command -v dig &> /dev/null; then
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echo "Google DNS (8.8.8.8):"
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dig @8.8.8.8 ${DOMAIN} +short || echo "⚠️ Failed to resolve via Google DNS"
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echo ""
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echo "Cloudflare DNS (1.1.1.1):"
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dig @1.1.1.1 ${DOMAIN} +short || echo "⚠️ Failed to resolve via Cloudflare DNS"
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else
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echo "⚠️ dig not available for public DNS tests"
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fi
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echo ""
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# 4. Test network connectivity to resolved IPs
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echo "4️⃣ Network Connectivity Tests"
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echo "────────────────────────────────────────────────────────"
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# Get IP addresses
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IPS=$(dig +short ${DOMAIN} 2>/dev/null || echo "")
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if [ -n "$IPS" ]; then
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echo "Resolved IP addresses:"
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echo "$IPS"
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echo ""
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# Test ping to first IP
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FIRST_IP=$(echo "$IPS" | head -n1)
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echo "Ping test to ${FIRST_IP}:"
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ping -c 3 -W 2 ${FIRST_IP} 2>&1 || echo "⚠️ Ping failed or timed out"
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else
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echo "⚠️ No IP addresses resolved - cannot perform connectivity tests"
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fi
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echo ""
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# 5. Test HTTPS connectivity
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echo "5️⃣ HTTPS Connectivity Test"
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echo "────────────────────────────────────────────────────────"
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echo "Testing HTTPS connection to ${URL}:"
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if command -v curl &> /dev/null; then
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curl -v --connect-timeout 10 -I ${URL} 2>&1 || echo "⚠️ HTTPS connection failed"
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elif command -v wget &> /dev/null; then
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wget --timeout=10 --spider -v ${URL} 2>&1 || echo "⚠️ HTTPS connection failed"
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else
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echo "⚠️ Neither curl nor wget available for HTTPS test"
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fi
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echo ""
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# 6. Traceroute to destination
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echo "6️⃣ Network Path Analysis"
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echo "────────────────────────────────────────────────────────"
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if [ -n "$IPS" ]; then
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FIRST_IP=$(echo "$IPS" | head -n1)
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echo "Traceroute to ${FIRST_IP}:"
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if command -v traceroute &> /dev/null; then
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traceroute -m 15 -w 2 ${FIRST_IP} 2>&1 || echo "⚠️ Traceroute failed"
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elif command -v tracepath &> /dev/null; then
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tracepath -m 15 ${FIRST_IP} 2>&1 || echo "⚠️ Tracepath failed"
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else
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echo "⚠️ No traceroute tool available"
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fi
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else
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echo "⚠️ Cannot perform traceroute - no IP resolved"
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fi
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echo ""
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# 7. Check if domain is blocked or filtered
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echo "7️⃣ DNS Validation"
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echo "────────────────────────────────────────────────────────"
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if command -v dig &> /dev/null; then
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echo "Checking DNS response codes:"
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dig ${DOMAIN} | grep -E "status:|ANSWER:" || echo "⚠️ Could not extract status"
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fi
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echo ""
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# 8. Summary
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo "📋 Summary"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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if [ -n "$IPS" ]; then
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echo "✅ DNS Resolution: SUCCESS"
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echo " Resolved IPs: ${IPS}"
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else
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echo "❌ DNS Resolution: FAILED"
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echo " Possible causes:"
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echo " - DNS server is unreachable or misconfigured"
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echo " - Domain does not exist or is not properly configured"
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echo " - Network/firewall blocking DNS queries"
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fi
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echo ""
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# Test basic connectivity
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if curl -s --connect-timeout 5 -o /dev/null ${URL} 2>/dev/null; then
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echo "✅ HTTPS Connectivity: SUCCESS"
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else
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echo "❌ HTTPS Connectivity: FAILED"
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echo " Possible causes:"
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echo " - Firewall/security group blocking outbound HTTPS"
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echo " - SSL/TLS certificate issues"
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echo " - Server is down or unreachable"
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echo " - Network routing problems"
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fi
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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} > "${OUTPUT_FILE}" 2>&1
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echo "DNS troubleshooting complete. Results saved to ${OUTPUT_FILE}"

‎apps/laboratory/docker-canary.sh‎

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#!/bin/bash
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# Not adding `set -e` so that S3 upload happens regardless
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# Run DNS troubleshooting for register.walletconnect.com
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echo ""
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echo "🔍 Running DNS Diagnostics"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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bash ./dns-check.sh || true
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echo ""
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echo "📄 DNS Diagnostics Output"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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cat dns-output.txt || echo "⚠️ dns-output.txt not found"
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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echo ""
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pnpm playwright:test:canary
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TEST_EXIT_CODE=$?
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