
Hàng triệu người dùng sử dụng Freelancer để biến ý tưởng thành hiện thực.
Được tin tưởng bởi các thương hiệu và startup hàng đầu
Đăng dự án của bạn miễn phí và kết nối với các DNS Technicians lành nghề sẵn sàng bắt đầu ngay hôm nay. So sánh báo giá, đánh giá và hồ sơ năng lực, và chỉ thanh toán khi bạn hài lòng với công việc.
~30 giây
cho lượt chào thầu đầu tiên
86+
lượt chào thầu cho mỗi dự án
180+
DNS Technicians trực tuyến
Không tốn chi phí trả trước · chỉ thanh toán khi bạn hài lòng với công việc

8,6
8,6
100%

Alazppuzha, India
$40 USD một giờ

7,9
7,9
99%

Hetauda, Nepal
$75 USD một giờ

10,0
10,0
96%

Sylhet, Bangladesh
$35 USD một giờ

7,9
7,9
97%

CHERTHALA, India
$50 USD một giờ

7,9
7,9
100%

Villa De Merlo, Argentina
$25 USD một giờ

8,5
8,5
100%

MALAPPURAM, India
$50 USD một giờ

7,9
7,9
100%

Dhaka, Bangladesh
$50 USD một giờ

8,0
8,0
98%

Visakhapatnam, India
$25 USD một giờ

7,7
7,7
100%

Lahore Cantt, Pakistan
$10 USD một giờ
Bạn đang muốn thuê một DNS Technician? Đây là các dự án DNS hàng đầu gần đây đã hoàn thành trên Freelancer, được chọn lọc từ những đánh giá được xác minh của khách hàng từ 4,5 sao trở lên và được cập nhật hàng tháng.
DỰ ÁN
DNS filtering was diagnosed as the cause of a single educational domain being blocked across a school's LAN, with a fix implemented to restore access on all devices. The freelancer holds a 100% completion rate across their completed work.
ĐÁNH GIÁ CỦA KHÁCH HÀNG
I think he is a experienced network engineer... First find the root cause then solve...
Linux · Web Security · Network Administration
DỰ ÁN
DNS records across Hostinger and Google Workspace were audited and corrected to restore send and receive flow for eleven business email addresses. The review confirmed fast delivery and strong technical execution from a Preferred Freelancer with a 4.9 rating across 93 reviews.
ĐÁNH GIÁ CỦA KHÁCH HÀNG
He was very cooperative throughout the project, had strong technical knowledge, and delivered everything within a very short timeframe. Communication was smooth, he understood the requirements quickly, and the work was completed as promised. It was a hassle-free experience, and I'd be happy to work with him again for future projects.
PHP · System Admin · Linux
DỰ ÁN
Reviewed SPF, DKIM, and DMARC records alongside a full cPanel mailbox cleanup after a spam compromise got the server suspended by the host. A freelancer with a 100% completion rate across 885 reviews restored mail flow and hardened the email system against repeat breaches.
ĐÁNH GIÁ CỦA KHÁCH HÀNG
Fantastic how he was able to help me ! The best of the best
Web Security · cPanel · System Administration
DỰ ÁN
DNS records, SPF, DKIM, and DMARC were configured for a Zoho Mail account, then the mailbox was integrated with Systeme.io and tested across broadcast and automation sends. The client confirmed accurate, fast delivery with clear handover notes.
ĐÁNH GIÁ CỦA KHÁCH HÀNG
Accurate work delivered very fast. Clear explanations and outcome met. Thanks
PHP · CRM · Salesforce.com
DỰ ÁN
DNS records were configured at the registrar to connect two custom domains to a ClickFunnels 2.0 workspace, with SSL certificates enabled and both www and non-www variants resolving correctly. The freelancer holds a 100% completion rate across 18 reviews.
ĐÁNH GIÁ CỦA KHÁCH HÀNG
Darshan delivered quality work and is great with collaboration.
PHP · Linux · WordPress
A DNS technician is a networking specialist who configures, manages, and troubleshoots Domain Name System records, zones, and resolvers to keep websites, email, and online services reachable. Hiring a freelance DNS technician gives your business fast access to expert help with domain routing, propagation issues, DNSSEC, and migration between providers without the overhead of a full-time hire.
DNS underpins every online service you run. A misconfigured A record, a stale MX entry, or a missing SPF record can take down a website, break email delivery, or expose a domain to spoofing. A skilled DNS specialist diagnoses these issues quickly and implements stable, secure configurations that scale.
Common deliverables from a freelance DNS technician include zone file creation and editing, nameserver migrations, DNSSEC signing, geo-routing setup, failover configurations, and full DNS audits with documented recommendations. They also handle domain transfers, glue record updates, and the propagation checks that confirm changes have rolled out globally.
A capable DNS expert is fluent across managed DNS providers and self-hosted nameservers. Expect proficiency with Cloudflare, AWS Route 53, Google Cloud DNS, Azure DNS, NS1, DNSimple, and registrar-side panels at GoDaddy, Namecheap, and Gandi. On the self-hosted side, BIND9, PowerDNS, Unbound, NSD, and Knot are the standard servers for enterprise and ISP environments.
Diagnostic work relies on dig, nslookup, host, drill, mtr, and traceroute, plus web-based checkers like intoDNS, DNSViz, MXToolbox, and dnschecker.org. Infrastructure-as-code practitioners often manage zones through Terraform, OctoDNS, or Ansible to version-control records and roll back cleanly when something breaks.
DNS work cuts across every sector that runs online services. Common engagements include:
Strong candidates show hands-on production experience, not just theory. Look for portfolios or case studies describing zone migrations completed without downtime, DNSSEC rollouts, and incident response stories where the freelancer traced a resolution failure to its root cause. Familiarity with email authentication standards is a strong signal, as is comfort reading dig output and interpreting TTLs, SOA serials, and authority sections.
Ask for evidence of work with the specific provider you use. A specialist who has run zones on Route 53 will move faster on AWS than someone who has only used registrar panels. Certifications are not mandatory in this field, but credentials such as AWS Certified Advanced Networking, Cisco CCNA, or vendor training from Cloudflare and Microsoft can confirm depth.
Useful interview questions to copy and use:
Freelancer.com gives you access to a global pool of vetted networking professionals who specialize in DNS, domain administration, and infrastructure work. You can post a project on Freelancer.com and receive competitive bids within hours, with freelancers spanning every major time zone for around-the-clock coverage on outages and migrations.
Profiles on Freelancer.com include verified ratings, completed project counts, and detailed client reviews so you can shortlist with confidence. Milestone Payments protect your budget by releasing funds only when work is delivered, and the on-platform chat lets you scope the engagement clearly before any money changes hands. Whether you need a one-hour zone fix or an ongoing retainer for DNS operations, freelancers on Freelancer.com cover the full range.
Get your domains, email, and online services running smoothly.
Hiring a DNS specialist is straightforward when you scope the work clearly upfront. Because DNS changes can affect website uptime and email delivery, the brief should be precise about which domains, providers, and records are involved. The three steps below walk through the process from posting your project to awarding it.
The quality of bids you receive depends almost entirely on the clarity of your brief. For DNS work, list the domains involved, the current DNS provider, the records or services affected, and the outcome you need. Head to the
Bids are short proposals, not just price quotes. A strong proposal from a DNS specialist will reference your specific provider, identify likely causes of the issue, and outline the steps they would take. Read each bid carefully and shortlist freelancers whose understanding of the problem matches the brief.
The final decision should combine proposal quality with profile evidence. For DNS work, look for consistency across past projects rather than a single impressive job, since reliable DNS work is repetitive and detail-driven. Review portfolios for migrations, audits, and incident response examples that resemble your situation.
Simple changes such as adding records, fixing SPF, or updating nameservers can be completed within an hour, though DNS propagation may take up to 48 hours depending on TTL values. Larger projects like full zone migrations, DNSSEC rollouts, or multi-domain audits typically run from a few days to a couple of weeks.
Yes. Many clients on Freelancer.com hire DNS specialists for single incidents such as broken email delivery, a failed migration, or a subdomain takeover audit. You can scope the project narrowly and award it to a freelancer who has handled the same issue before.
A system administrator manages servers, operating systems, and broader infrastructure, while a DNS technician focuses specifically on domain name resolution, zone files, nameservers, and related protocols like DNSSEC and email authentication. Many freelancers cover both, but for complex DNS work a dedicated specialist is faster and lower-risk.
A managed provider such as Cloudflare or Route 53 hosts your records, but it does not configure them for you. A freelance DNS expert designs the zone correctly, secures it, and troubleshoots when something breaks, regardless of which provider you use.
Yes. Email authentication is configured almost entirely through DNS records, so a DNS specialist can set up SPF, DKIM, DMARC, MX, and reverse DNS to improve inbox placement and stop spoofing. Many freelancers offer deliverability audits as a packaged service.

Freelancer Doanh Nghiệp
Hãy sử dụng lực lượng lao động gồm 90.3 triệu người của chúng tôi để giúp doanh nghiệp của bạn đạt được nhiều thành tựu hơn.

Freelancer API
Tại sao phải đi thuê người khi bạn chỉ cần tích hợp lực lượng tài năng trên nền đám mây của chúng tôi?
Đăng dự án hôm nay và nhận chào giá từ các freelancer tài năng
Lấy thêm cảm hứng từ các dự án DNS

Thiết kế website.
540 USD trong 7 ngày.

Thiết kế app.
100 USD trong 1 ngày.

Website.
430 USD trong 1 ngày.

Thiết kế website.
140 USD trong 13 ngày.

Thiết kế app.
200 USD trong 19 ngày.

Website.
150 USD trong 13 ngày.

Website.
240 USD trong 1 ngày.

Website.
100 USD trong 1 ngày.
Hàng triệu người dùng, từ kinh doanh nhỏ đến doanh nghiệp lớn, chủ doanh nghiệp đến nhà khởi nghiệp đều sử dụng Freelancer để biến ý tưởng của họ thành hiện thực.
90.3 Triệu
90.3 Triệu
Người Dùng Đã Đăng Ký
25.9 Triệu
25.9 Triệu
Tổng Số Việc Đã Đăng