.study

TLD SLA Compliance Monitoring

TLD SLA Compliance Metrics

Spec 10

DNS

Period Availability RTT Compliance RTT p50 RTT p95 Checks TSLAC
24h 100% 100% 4.0ms 20ms 264
7d 100% 100% 4.0ms 31ms 1440
30d 100% 100% 4.0ms 31ms 4860

RDAP

Period Availability RTT Compliance RTT p50 RTT p95 Checks TSLAC
24h 100% 100% 174ms 205ms 48
7d 100% 100% 166ms 209ms 240
30d 100% 100% 162ms 203ms 808

DNSSEC Validation Metrics

Registry Agreement Spec 6

DNSSEC is required by the Registry Agreement (Specification 6) but is not part of the Spec 10 SLA. We monitor DNSSEC validation independently.

Period Validation Rate RTT p50 RTT p95 Checks Status
24h 100% 36ms 39ms 22
7d 100% 36ms 38ms 120
30d 100% 36ms 37ms 408

Unlike Spec 10 services, DNSSEC has no formal availability SLA. Thresholds shown are operational guidelines.

Current Check Status

Reported by Any53 Probes
Type AF RTT Last Check Source Details Status TSLAC
DNS v4 1.4ms 38 minutes ago local NSID: Auth_Host1.Chicago_Node1 OK
DNS v6 1.4ms 158 days, 20 hours ago local NSID: Auth_Host3.Chicago_Node1 OK
DNSSEC v4 40ms 39 minutes ago local Key: 61795 OK
DNSSEC v6 36ms 39 minutes ago local Key: 61795 OK
RDAP v4 173ms 3 hours, 5 minutes ago local TLS 1.3 OK
RDAP v6 246ms 3 hours, 5 minutes ago local TLS 1.3 OK

RDAP HTTPS Timing

246ms total
DNS Lookup
0.36ms
TCP Connect
52ms
TLS Handshake
59ms
Time to First Byte
246ms

TLS 1.3 / TLS_AES_128_GCM_SHA256

Nameservers

6 IPs tested
Hostname IP Address AF ASN RPKI Status
a.nic.study 37.209.192.10 v4 AS12008
b.nic.study 37.209.194.10 v4 AS12008
c.nic.study 37.209.196.10 v4 AS12008
x.nic.study 156.154.172.82 v4 AS12008
y.nic.study 156.154.173.82 v4 AS12008
z.nic.study 156.154.174.82 v4 AS12008

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

Test With Your Computer

DNS

dig @a.nic.study study. SOA +dnssec +nsid Query SOA with DNSSEC validation and NSID
drill -D study. SOA @a.nic.study Alternative using drill with DNSSEC trace

RDAP

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

Registry Information

Active
TLD .study
Operator Registry Services, LLC
RDAP Server https://rdap.nic.study/ 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 .study compliance metrics programmatically via our REST API.

Quick Start

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

Example Response

{
  "tld": "study",
  "display_name": ".study",
  "operator": "Registry Services, LLC",
  "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.study/"
  },
  "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

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