Hire the Best Domain Name System Security Extensions (DNSSEC)

I’m a professional IT Support Engineer with several years of experience helping businesses with Email Systems. I specialize in Windows and macOS systems, Email Configuration, Microsoft Office 365, Microsoft Outlook, Microsoft Teams, OneDrive, Google Workspace (G Suite), Gmail, Google Drive, Domain and DNS Management, Email Migration, Email Send/Receive, Email Deliverability, Spam filtering, setting up Cold Email, and Website Support. 💼 𝗖𝗼𝗿𝗲 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 — ✅ Google Workspace (G Suite): • Google Workspace (G Suite) email setup, including custom domain verification and activating Gmail for sending and receiving emails. Handle user, group, alias, Shared inbox, and forwarding management, as well as Google Admin Console & Gemini configuration. ✅ Microsoft 365 (Office 365): • Configure and provide support for Microsoft Office 365 Email, Outlook, Exchange Online, Teams, OneDrive, SharePoint, and PowerShell. Experienced in Microsoft 365 administration, licensing, user management, Shared Mailbox, Security Settings, and Copilot integration to boost productivity and team collaboration. ✅ Email Migration: • Google Workspace ↔ Microsoft 365 Email Migration. • Email Migration from GoDaddy to Microsoft Office 365 or Google Workspace. • IMAP, Roundcube Webmail, cPanel, Zoho to Microsoft 365 Outlook or Google Workspace. • Merge Google Workspace Email Accounts and Change Primary Domain. • Defederate from GoDaddy-managed Microsoft 365 Email to direct Microsoft 365 control. • Outlook PST file backup or import/export. • Microsoft 365 Tenant-to-Tenant Migration. Expert in Email Migration, ensuring seamless transfer of emails, calendars, contacts, and files with zero downtime, full data accuracy, and comprehensive post-migration support. ✅ Email Deliverability and Authentication: • Set up and align SPF, DKIM, DMARC, MX, TXT, and CNAME DNS records. • Fix emails landing in spam/junk folders and resolve send/receive or Email Deliverability issues. • Perform Domain Authentication, Verification, and Reputation Checks. • Implement Email Warm-Up strategies and improve IP/Sender Reputation. ✅ Domain and DNS Management: • Handle Domain Migration, Transfer, Renewal, and DNS Management across platforms such as GoDaddy, Namecheap, Wix, Cloudflare, Squarespace, Bluehost, Shopify, Proton Mail, and others. • Skilled in Cloudflare advanced settings (WAF, rules, cache) and DNS security (DNSSEC, CAA). • Email automation and integrations across HubSpot, Zapier, and major CRMs/ESPs. ✅ Cold Email and Outreach Systems: • Set up Email Accounts for Cold Email Platforms like Instantly, SmartLead, Apollo, Klaviyo, MailChimp, MailerLite, SendGrid, HubSpot, ActiveCampaign, GoHighLevel, etc. • Configure Dedicated IP and Sending Domain, Custom Tracking Domain, and Subdomain. • Monitor and optimize deliverability using Google Postmaster Tools and Microsoft SNDS. ✅ Website Support: • I build and design fast, secure, growth-optimized websites using WordPress, WooCommerce, Wix, Squarespace, and Shopify. • Website updates, fixes, and improvements, including design enhancements, speed optimization, and mobile responsiveness. • Website/Hosting migration, SSL setup, security implementation, and Cloudflare configuration. • Troubleshoot Website down, Nameserver errors, and DNS misconfigurations (CNAME, A). • Configure and fix Website contact forms using SMTP (WP Mail SMTP, Fluent Forms) to ensure reliable email delivery. 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐢𝐧 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻, 𝗗𝐢𝐚𝐠𝐧𝐨𝐬𝐭𝐢𝐜, 𝐚𝐧𝐝 𝐭𝐫𝐨𝐮𝐛𝐥𝐞𝐬𝐡𝐨𝐨𝐭𝐢𝐧𝐠 𝐭𝐨𝐨𝐥𝐬 𝐥𝐢𝐤𝐞 𝐌𝐱𝐓𝐨𝐨𝐥𝐛𝐨𝐱, 𝐦𝐚𝐢𝐥-𝐭𝐞𝐬𝐭𝐞𝐫, 𝐃𝐍𝐒 𝐂𝐡𝐞𝐜𝐤𝐞𝐫, 𝐁𝐥𝐚𝐜𝐤𝐥𝐢𝐬𝐭 𝐂𝐡𝐞𝐜𝐤𝐞𝐫, 𝐆𝐨𝐨𝐠𝐥𝐞 𝐏𝐨𝐬𝐭𝐦𝐚𝐬𝐭𝐞𝐫 𝐓𝐨𝐨𝐥𝐬, 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗦𝗡𝗗𝗦, 𝐄𝐦𝐚𝐢𝐥 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐓𝐞𝐬𝐭, 𝗮𝗻𝗱 𝐜𝐏𝐚𝐧𝐞𝐥. 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆: ⏰ Available on both weekdays and weekends. 📅 Flexible with time zones to meet client needs. 🤝 Always happy to discuss your project. Client satisfaction is my top priority. 💬 Feel free to message me anytime. Thank you!

- Cyber Security & Penetration Testing: Vulnerability assessment, security auditing, and proactive defense strategies. - Incident Response & Digital Forensics: Post-attack reconstruction, root cause analysis (RCA), and secure system recovery after a breach. - Website Security & Hardening: DDoS & Brute force protection, Cloudflare, Sucuri, WAF, Imunify360. - Operating Systems (OS) Administration: Expert in Linux distributions: Ubuntu, CloudLinux, AlmaLinux, Rocky Linux, RHEL, and Debian. - Web Server Management: Advanced configuration and tuning of NGINX, Apache, and LiteSpeed - Website Performance & Speed Optimization: Specialist in Google PageSpeed Insights and GTmetrix (Mobile & Desktop tuning). - Digital Tracking & Analytics: Expert setup of Google Tag Manager (GTM) and Google Analytics 4 (GA4), including custom event tracking and conversion setup for E-commerce. - Hosting & Domain Administration: Migration, WHM/cPanel, StackCP, Webmin, Virtualmin, Cyberpanel. - WordPress & WooCommerce: Website development (Elementor, Divi), maintenance, debugging, and malware removal. - Object Caching & Database Optimization: Redis, Memcached, MySQL/MariaDB optimization. - VPS & Dedicated Servers Configuration: AWS, Google Cloud, Digital Ocean, Hetzner, Contabo, Vultr, etc. - DNS & Email Deliverability: Professional DNS management (SPF, DKIM, DMARC), Cloudflare Email Routing. - Bulk Email Systems: Amazon SES, Mailgun, SendGrid, Postmark, Mautic, Sendy. - Hosting Automation: WHMCS & Upmind (specializing in WHMCS to Upmind migrations). - Content Protection: DMCA protection and SSL management. - Service Excellence: 100% accuracy, fast response, and adjustable to all time zones. Other: Graphic Design: flyer, brochure, magazine, catalog, presentation, logo, font vectorization, preparing Files and Documents for Print (crop mark, trim line, bleed area, RGB to CMYK conversion, PMS Solid colors Pantone), Variable Data, Excel XML, minimalist design, wood engraving mockup, DST embroidery file conversion, Recover Corrupted videos, ads marketing Photo Editing: manipulation, retouching, mockup, product photo editing, removal of background (hair, fur) Video & Audio Editing: crop, noise reduction, warp stabilizer, montage, transitions, effects My Resume: -Disciplined, hard-working, responsible -Used to having high responsibilities and constant improvement -Good at adjusting to the team I'm in -Extremely detailed, efficient, and quality work Education: - Electrical Engineering University of Niš, Serbia Certificates: - TryHackMe – Cyber Security - Cisco CCNA (Network Associate Routing & Switching) - Cisco End User: Network Security - Ultimate AWS Certified Cloud Practitioner - Proxmox VE 6 - Visual and Graphic Design - Adobe Photoshop, Illustrator, InDesign, Premiere, After Effects

Top Rated | 100% Job Success | 10+ Years Experience I help businesses manage, secure, and optimize their Linux servers, websites, and email systems ensuring everything runs smoothly and reliably long-term. Whether you need ongoing server & website management or help fixing critical issues, I work as a reliable long-term partner, not just for one-time fixes. # What I Do * Linux server administration, monitoring & optimization * cPanel/WHM & hosting management * WordPress management, fixes, migrations & optimization * Cloud infrastructure (AWS, GCP, DigitalOcean) * Server migrations with zero downtime * Email deliverability (SPF, DKIM, DMARC, blacklisting) * DNS & Cloudflare setup and troubleshooting * SSL, security hardening & malware cleanup # Why Clients Choose Me * Long-term server & website management * I fix *root causes*, not temporary issues * Fast, clear communication * Reliable and consistent availability #Let’s Work If you’re looking for a long-term server/website administrator or need a stable setup that just works, send me a message, I’ll guide you on the best approach.

I am a dedicated and passionate technologist with over fourteen years of experience in the dynamic field of web hosting. Currently serving as a Support Manager, I bring a wealth of expertise in various aspects of web hosting, making me a valuable asset for your projects. My proficiency spans a wide range of domains, including but not limited to web hosting, WordPress, cPanel & WHM, migrations, DNS management, Google Workspace, Microsoft 365, Email Deliverability, Cloudflare integration and much more. Throughout my career, I have consistently demonstrated a strong commitment to delivering top-notch technical support and ensuring the seamless operation of web hosting services. My in-depth knowledge of the intricacies involved in web hosting equips me to tackle challenges effectively and provide innovative solutions. Whether you need assistance with troubleshooting, optimizing performance, or navigating the complexities of migration, I am well-equipped to deliver results. I am enthusiastic about leveraging my skills and experience to contribute to the success of your projects. Let's collaborate to achieve your goals and elevate your web hosting experience. Thank you for considering me for your endeavors on Upwork!

I'm a proficient Linux Server Administrator and PHP/Python programmer with over 15 years of experience. My expertise extends to web hosting, cloud, cluster, DevOps and blockchain technologies. Throughout my career, I have worked with numerous hosting providers and have gained extensive experience in addressing vulnerabilities, viruses, spam detection, server optimization, and server software optimization. As a DevOps professional, I collaborate with various companies with developer teams ranging from 1 to 50. I have extensive experience in automating infrastructure, implementing CI/CD pipelines, managing cloud environments (AWS, Azure, GCP), and ensuring system reliability and scalability. Below are my general skills: * Blockchain platforms: Bitcoin, Tron (TRX, USDT), Ethereum (ETH, USDT, USDC), XRP (full node & API) * DevOps: GitLab, GitHub, Azure DevOps. Project support, CI/CD * Optimization of Google Pagespeed, Magento, WordPress, ODOO, Mautic, Drupal, Joomla, Bitrix, Bitrix24, and other CMS * Operating Systems: Debian, Ubuntu, CentOS, Rocky Linux, AlmaLinux, RedHat, CloudLinux, Gentoo, FreeBSD (administration, configuration, audit, optimization) * Software Configuration Management: Salt, Ansible * Web servers: Nginx, Apache, LiteSpeed (installation, configuration, optimization) * Database servers: MySQL, PostgreSQL, MariaDB, Percona, MongoDB (installation, configuration, optimization, profiling, cluster creation) * Mail servers: Exim, Postfix, Sendmail, Zimbra, Qmail, Dovecot + Spamassassin, ClamAV * Webhosting Administration Panels: cPanel / WHM, Plesk, aaPanel, Proxmox, CyberPanel, VestaCP, HestiaCP, ISPManager, Billmanager, ISPConfig, DirectAdmin, Webmin * Monitoring: Zabbix, Wazuh, Munin, Nagios, Icinga * Amazon: AWS setup or Amazon tools * Virtualization: Proxmox, OpenVZ, XEN, KVM, VMWare, VirtualBox, Docker * Load balancing via: HAproxy, Nginx, Pingora, ProxySQL, PowerDNS, BIND, Route53, Alibaba Cloud DNS * System Backup and Restore automation * Removal of viruses and malicious software * Network services: DNS (Bind, PowerDNS), VPN (MPD, PPTPD, OpenVPN), firewalls (iptables, ipfw), file server (samba3/4), proxies (Squid, 3proxy, Privoxy, Nginx), DRBD, Ceph, GlusterFS, lsyncd * FTP: Vsftp, Pureftp, Proftpd Thank you for viewing!

Need a secure, seamless Single Sign-On (SSO) solution for your business? I can help. I’m a Senior IAM Consultant with 8+ years of experience specializing in Identity and Access Management (IAM). I design and implement robust authentication systems using Okta, Microsoft Entra ID (Azure AD), Keycloak, Shibboleth, OneLogin, Auth0, OpenFGA, and custom SAML 2.0, OAuth 2.0, and OpenID Connect (OIDC) providers. I also have expertise in LDAP, WS-Fed, RADIUS, JWT, and other authentication protocols to simplify access control and safeguard critical data. My Expertise: ✅ SSO & Authentication Solutions – Implementing SAML 2.0, OAuth 2.0, JWT-based logins, API key-based security, and server-to-server authentication. ✅ IAM Integration & Setup – Configuring Okta, Microsoft Entra ID, Keycloak, ADFS, OneLogin, Auth0, Identity Server 8, and other IAM providers, Simple SAML PHP. ✅ Troubleshooting Authentication Issues – Resolving login-related issues for SAML, OAuth, and custom identity providers. ✅ Fine-Grained Authorization – Deploying reverse proxy and bridge solutions, OpenFGA, and custom authorization mechanisms. ✅ User Provisioning & Governance – Secure provisioning/de-provisioning of users, groups, and resources via SCIM, custom scripts, or scheduled sync with databases, Active Directory, or other identity sources. ✅ Multi-Factor Authentication (MFA) & Identity Governance – Enhancing security with strong IAM policies. Technical Skills: I am proficient in PHP, Java, JavaScript, Python, Golang, Shell Scripting, and various frameworks, including Spring, Spring Boot, Node.js, React, Angular, Django, WordPress, CodeIgniter, Symfony, Laravel, Gin, and more. DevOps & Cloud Security: ✅ Cloud & On-Prem Infrastructure – Hands-on experience with AWS, EKS, EC2, Kubernetes (K8s), Docker, KAAS, SAAS, and on-prem deployments. ✅ Application Deployment & Security – Securing and deploying applications in cloud and on-prem environments. 🛠️ Identity Providers I’ve Worked With (100+): ✅ Google SSO login ✅ Microsoft Entra ID (Azure AD) SSO ✅ Okta SSO Integration ✅ Keycloak SSO ✅ Oracle IAM – OCI IAM, OAM, OIM ✅ Oracle Student Financial Aid (SFA) ✅ GitHub SSO ✅ Ping Federate SSO Login ✅ Auth0 Universal Login Setup ✅ OneLogin SSO Integration ✅ Shibboleth IdP/SP ✅ JumpCloud SSO Login ✅ ForgeRock IAM ✅ IdentityServer4/8 ✅ WSO2 Identity Server ✅ SimpleSAMLphp ✅ Custom SAML SPs ✅ AWS Cognito SSO ✅ Salesforce SSO ✅ G Suite Login ✅ Apple & Facebook OAuth ✅ Slack / Zoom OAuth Integration ✅ ADFS (Active Directory Federation Services) ✅ LDAP & RADIUS Authentication ✅ CyberArk Identity ✅ Centrify (now Delinea) ✅ IBM Security Verify / Tivoli Access Manager ✅ NetIQ Access Manager / Micro Focus ✅ Bitwarden SSO / Enterprise Login ✅ Duo SSO (Cisco Secure Access) ✅ VMware Workspace ONE Access (formerly vIDM) ✅ Zoho Directory / SSO ✅ Atlassian Access (Jira, Confluence SSO) ✅ SAP IAS / IPS ✅ Azure B2C & B2B Flows ✅ Facebook Workplace SSO ✅ Moodle SSO (via SAML / OIDC plugins) ✅ Canvas LMS SSO Integration ✅ OpenAM (legacy Sun Access Manager) ✅ FreeIPA / Red Hat SSO ✅ Ory Hydra / Kratos ✅ FusionAuth ✅ Gluu Server / Janssen Project ✅ NetIQ eDirectory SSO ✅ Apache Knox (for Hadoop ecosystem) ✅ IBM ISAM / ISVA ✅ Citrix Gateway (SSO via SAML/OAuth) ✅ Palo Alto Prisma Access (SAML Integration) ✅ CrowdStrike Falcon Identity ✅ BeyondTrust Identity Security ✅ Keeper Enterprise SSO ✅ Zoho One / Zoho Directory ✅ Freshworks SSO (Freshservice, Freshdesk) ✅ ServiceNow SSO Integration If you're looking for an IAM expert who can secure your authentication workflows, integrate IAM solutions, and troubleshoot identity-related challenges, let's connect!