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MasTec: DNS records
Everything we collected in the scan of 2026-10-19: apex records for each owned domain, every DNS zone, and per-hostname CNAME chains, addresses, networks and providers. Served from stored scan data. ← Summary
Zones (1)
Each DNS zone that holds a scanned hostname: the domain apex, brand domains and any delegated subdomain. Two vendors on one zone = secondary DNS.
| Zone | DNS provider | Nameservers | Hostnames | Key |
|---|---|---|---|---|
| mastec.com primary | AWS Route 53 | ns-1138.awsdns-14.org ns-135.awsdns-16.com ns-1897.awsdns-45.co.uk ns-669.awsdns-19.net | 2 | 0 |
Hostname records (2)
Click a hostname for its records and history across scans.
| Hostname | CNAME chain | A / AAAA | Network (ASN, prefix) | DNS (zone) | CDN & security |
|---|---|---|---|---|---|
| mastec.comMain site Main site · primary site primary site · CDN & security AWS · DNS AWS Route 53 |
— | 99.84.118.108 99.84.118.79 99.84.118.57 99.84.118.87 | AS16509 AWS 99.84.118.0/23 |
AWS Route 53 mastec.com | AWS |
| www.mastec.comMain site Main site · primary site primary site · CDN & security AWS · DNS AWS Route 53 |
mastec.com | 99.84.118.87 99.84.118.108 99.84.118.79 99.84.118.57 | AS16509 AWS 99.84.118.0/23 |
AWS Route 53 mastec.com | AWS |
Tap a hostname for its records →
Log in free for more. After login: owned-domain records (NS, MX, mail and SPF senders, verification vendors, certificate authorities) for 1 domain, all 1 zones, a JSON export and every hostname.