.build

TLD SLA Compliance Monitoring

TLD SLA Compliance Metrics

Spec 10

DNS

Period Availability RTT Compliance RTT p50 RTT p95 Checks TSLAC
24h 100% 100% 91ms 226ms 168
7d 100% 100% 92ms 233ms 960
30d 100% 100% 51ms 233ms 3244

RDAP

Period Availability RTT Compliance RTT p50 RTT p95 Checks TSLAC
24h 100% 100% 418ms 493ms 20
7d 100% 100% 448ms 676ms 120
30d 100% 100% 431ms 616ms 668

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% 42ms 87ms 40
7d 99.17% 42ms 170ms 240
30d 99.75% 43ms 94ms 812

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 18ms 26 minutes ago local NSID: WVQS-AQ5DSO-L6ZRS7 OK
DNS v6 18ms 160 days, 4 hours ago local NSID: WVQS-AQ5DSO-L6ZRS7 OK
DNSSEC v4 69ms 1 hour, 28 minutes ago local Key: 38839 OK
DNSSEC v6 42ms 1 hour, 28 minutes ago local Key: 38839 OK
RDAP v4 406ms 3 hours, 58 minutes ago local TLS 1.2 OK
RDAP v6 399ms 3 hours, 57 minutes ago local TLS 1.2 OK

RDAP HTTPS Timing

399ms total
DNS Lookup
0.36ms
TCP Connect
95ms
TLS Handshake
194ms
Time to First Byte
399ms

TLS 1.2 / TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

Nameservers

4 IPs tested
Hostname IP Address AF ASN RPKI Status
a.nic.build 194.169.218.20 v4 — —
b.nic.build 185.24.64.20 v4 — —
c.nic.build 212.18.248.20 v4 — —
d.nic.build 212.18.249.20 v4 — —

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

Test With Your Computer

DNS

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

RDAP

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

Registry Information

Active
TLD .build
Operator Plan Bee LLC
RDAP Server https://rdap.centralnic.com/build/ 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 .build compliance metrics programmatically via our REST API.

Quick Start

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

Example Response

{
  "tld": "build",
  "display_name": ".build",
  "operator": "Plan Bee 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.centralnic.com/build/"
  },
  "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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