SEO KNOWLEDGE BASE & GUIDE
Comprehensive DNS Health & Security Audit Report
Evaluate DNS configuration health, detect glue record errors, and inspect email auth policies.
Technical Overview & Core Purpose
A DNS health check analyzes domain nameservers for misconfigurations, missing SOA serial numbers, open DNS resolvers, and email authentication gaps (SPF/DKIM/DMARC). Fixing DNS errors improves site load times and email inbox placement rates.
Key Benefits & Use Cases
- Identify misconfigured nameservers and TTL discrepancies.
- Audit SPF and DMARC policies to prevent email spoofing.
- Check SOA (Start of Authority) record consistency.
Frequently Asked Questions (FAQ)
Q: What is a DNS Glue record?A: A glue record is an IP address hint provided by a domain registry to prevent circular DNS resolution loops.