.cv

TLD SLA Compliance Monitoring

TLD SLA Compliance Metrics

Spec 10

DNS

Period Availability RTT Compliance RTT p50 RTT p95 Checks TSLAC
24h 100% 100% 75ms 186ms 252
7d 100% 100% 74ms 206ms 1440
30d 100% 100% 69ms 452ms 7984

RDAP

Period Availability RTT Compliance RTT p50 RTT p95 Checks TSLAC
24h 50.00% 50.00% 278ms 1143ms 80
7d 50.00% 50.00% 285ms 1154ms 480
30d 35.93% 49.89% 168ms 1014ms 2680

Current Check Status

Reported by Any53 Probes
Type AF RTT Last Check Source Details Status TSLAC
DNS v4 150ms 31 minutes ago local OK
DNS v6 97ms 56 days, 22 hours ago local OK
RDAP v4 537ms 1 hour, 34 minutes ago local TLS 1.3 OK
RDAP v6 0.33ms 1 hour, 34 minutes ago local FAIL

RDAP HTTPS Timing

537ms total
DNS Lookup
TCP Connect
10ms
TLS Handshake
13ms
Time to First Byte
537ms

TLS 1.3 / TLS_AES_256_GCM_SHA384

Nameservers

4 IPs tested
Hostname IP Address AF ASN RPKI Status
anyc.dnsnode.net 194.58.198.135 v4
c.dns.pt 204.61.216.105 v4
cv01.dns.pt 185.39.208.18 v4
ns.dns.cv 41.221.192.220 v4

Per ICANN Spec 10, we test all delegated nameserver IPs independently.

Test With Your Computer

DNS

dig @anyc.dnsnode.net cv. SOA +dnssec +nsid Query SOA with DNSSEC validation and NSID
drill -D cv. SOA @anyc.dnsnode.net Alternative using drill with DNSSEC trace

RDAP

curl -sS "https://rdap.nic.cv/domain/nic.cv" | jq . Fetch RDAP JSON (positive lookup)
curl -I -sS "https://rdap.nic.cv/domain/nic.cv" Headers only (check TLS, timing)
Open in Browser View RDAP response directly

Registry Information

Active
TLD .cv
Operator Cape Verde
RDAP Server https://rdap.nic.cv/ RDAP Client

ICANN SLA Requirements

Per ICANN Registry Agreement Specification 10:

DNS SLA UDP RTT ≤ 500ms for 95% of queries. Availability: 99% (max 432 min/month downtime).
RDAP SLA RTT ≤ 4000ms for 95% of queries. Availability: 98% (max 864 min/month downtime).

API Access

JSON API

Access .cv compliance metrics programmatically via our REST API.

Quick Start

GET /any53/api/v1/compliance/cv/
curl -H "X-API-Key: ${YOUR_API_KEY}" \
  "https://www.any53.com/any53/api/v1/compliance/cv/"

Example Response

{
  "tld": "cv",
  "display_name": ".cv",
  "operator": "Cape Verde",
  "updated_at": "2026-01-31T12:00:00Z",
  "dns": {
    "availability_24h": 99.99,
    "rtt_p50_ms": 12,
    "rtt_p95_ms": 42,
    "sla_threshold_ms": 500
  },
  "rdds": {
    "protocol": "RDAP",
    "availability_24h": 99.95,
    "rtt_p50_ms": 180,
    "rtt_p95_ms": 412,
    "sla_threshold_ms": 4000
  },
  "servers": {
    "rdap_url": "https://rdap.nic.cv/"
  },
  "spec10_compliant": true
}

Generate API Key

Get a free API key to start making requests. Provide an email to upgrade to the verified tier (600 requests/hour).

Endpoints

Endpoint Description Tier
GET /compliance/ List all monitored TLDs All
GET /compliance/{tld}/ Current metrics for a TLD All
GET /compliance/{tld}/history/ Historical time-series data Organization
GET /compliance/{tld}/probes/ Per-probe breakdown Organization
POST /compliance/keys/ Generate a new API key No auth

Rate Limits

Tier Rate Limit Features
Anonymous 100/hour Current snapshot, hourly aggregates
Verified 600/hour Current snapshot, hourly aggregates
Organization 6000/hour Historical data, per-minute resolution, per-probe breakdown