TLD SLA Compliance Metrics
Spec 10DNS
| Period | Availability | RTT Compliance | RTT p50 | RTT p95 | Checks | TSLAC |
|---|---|---|---|---|---|---|
| 24h | 100% | 100% | 106ms | 231ms | 18 | |
| 7d | 70.37% | 70.37% | 99ms | 281ms | 810 | |
| 30d | 64.80% | 64.80% | 102ms | 281ms | 1115 |
RDAP
| Period | Availability | RTT Compliance | RTT p50 | RTT p95 | Checks | TSLAC |
|---|---|---|---|---|---|---|
| 24h | 50.00% | 50.00% | 218ms | 351ms | 16 | |
| 7d | 50.00% | 50.00% | 199ms | 452ms | 228 | |
| 30d | 50.00% | 49.68% | 152ms | 526ms | 308 |
Current Check Status
Reported by Any53 Probes| Type | AF | RTT | Last Check | Source | Details | Status | TSLAC |
|---|---|---|---|---|---|---|---|
DNS
|
v4 | 83ms | 20 hours, 18 minutes ago | local | NSID: ns1.gb-lon.authdns.ripe… | OK | |
DNS
|
v6 | 2001ms | 20 hours, 18 minutes ago | local | — | FAIL | |
RDAP
|
v4 | 306ms | 1 hour, 34 minutes ago | local | TLS 1.3 | OK | |
RDAP
|
v6 | 0.39ms | 1 hour, 34 minutes ago | local | — | FAIL |
RDAP HTTPS Timing
306ms total
DNS Lookup
—
TCP Connect
93ms
TLS Handshake
98ms
Time to First Byte
306ms
TLS 1.3 / TLS_AES_256_GCM_SHA384
Nameservers
6 IPs tested| Hostname | IP Address | AF | Status |
|---|---|---|---|
ns-sd.afrinic.net |
196.216.168.26 |
v4 | |
ns-sd.afrinic.net |
2001:43f8:120::26 |
v6 | |
pch.sis.sd |
204.61.216.97 |
v4 | |
pch.sis.sd |
2001:500:14:6097:ad::1 |
v6 | |
sd.cctld.authdns.ripe.net |
193.0.9.109 |
v4 | |
sd.cctld.authdns.ripe.net |
2001:67c:e0::109 |
v6 |
Per ICANN Spec 10, we test all delegated nameserver IPs independently.
Test With Your Computer
DNS
dig @ns-sd.afrinic.net sd. SOA +dnssec +nsid
Query SOA with DNSSEC validation and NSID
drill -D sd. SOA @ns-sd.afrinic.net
Alternative using drill with DNSSEC trace
RDAP
curl -sS "https://rdap.nic.sd/domain/nic.sd" | jq .
Fetch RDAP JSON (positive lookup)
curl -I -sS "https://rdap.nic.sd/domain/nic.sd"
Headers only (check TLS, timing)
Open in Browser
View RDAP response directly
Registry Information
ActiveICANN 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 APIAccess .sd compliance metrics programmatically via our REST API.
Quick Start
GET
/any53/api/v1/compliance/sd/
curl -H "X-API-Key: ${YOUR_API_KEY}" \
"https://www.any53.com/any53/api/v1/compliance/sd/"
Example Response
{
"tld": "sd",
"display_name": ".sd",
"operator": "Sudan",
"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.sd/"
},
"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).
Save this key now! It cannot be retrieved later.
Tier:
Rate limit: /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 |