Second Opinion
Global DNS & WHOIS Infrastructure Monitoring
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🌐 DNS Serial Number (SOA) Monitoring
Root SOA (A, J)
RSSAC
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Health
Active
Root nameserver SOA monitoring for A and J servers. Date-based serial tracking (YYYYMMDDNN format).
Threaded
📊 Main • Mobile • Votes
SDNS SOA
Active
Shared DNS SOA monitoring. Epoch-based serial tracking with 5-minute freshness checks.
Threaded
📊 Main • Mobile • Votes
CTLD SOA
Active
Country-code TLD authoritative DNS SOA monitoring. Epoch-based serial tracking.
Sequential
📊 Main • Mobile • Votes
VRSN SOA
Active
Verisign (.com/.net) registry SOA monitoring. Epoch-based serial tracking.
Sequential
📊 Main • Mobile • Votes
⏱️ DNS Data Age & FTP Monitoring
Root FTP
Root zone file FTP serial monitoring across global pollers.
SDNS Data Age
Active
SDNS data age monitoring via CHAOS TXT queries. Epoch-based serial tracking.
Threaded
📊 Main • Mobile • Votes
CTLD Data Age
Active
CTLD data age monitoring via CHAOS TXT queries. Epoch-based serial tracking.
Threaded
📊 Main • Mobile • Votes
VRSN Data Age
Active
Verisign data age monitoring via CHAOS TXT queries. Epoch-based serial tracking.
Threaded
📊 Main • Mobile • Votes
🔍 WHOIS & RDAP Monitoring
Core WHOIS Age
Active
Core authoritative WHOIS data age monitoring via TCP port 43. Epoch-based serial tracking.
Threaded
📊 Main • Mobile • Votes
Core RDAP Age
Active
Core (.com/.net) RDAP data age monitoring via HTTPS. Epoch-based serial tracking.
Threaded
📊 Main • Mobile • Votes
CTLD WHOIS Age
Active
Country-code TLD WHOIS data age monitoring via TCP port 43. Epoch-based serial tracking.
Threaded
📊 Main • Mobile • Votes
CTLD RDAP Age
Active
Country-code TLD RDAP data age monitoring via HTTPS. Epoch-based serial tracking.
Threaded
📊 Main • Mobile • Votes
📡 Additional Monitoring
Root SOA (Non-VRSN)
RSSAC
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Health
Active
Root nameserver SOA monitoring for non-VRSN servers (B, C, D, E, F, G, H, I, K, L, M).
Threaded
📊 Main • Mobile • Votes