View Contact nikolov.cz Details

📋 Contact & Network Overview

Network Summary:
  • Bandwidth Capacity: ~3.62 Gbit/s (3.62 Gbit/s guard)
  • Total Data Transferred: 25 PB (0.40% of 5yr network data)
  • Network Influence: 0.25% of overall consensus weight (0.46% guard)
  • Network Position: Guard-only (12 total relays, 12 guards)

📊 Operator Intelligence

  • Network Diversity: Great, 3 networks (1 rare)
  • Geographic Diversity: Okay, 3 countries (12 relays)
  • Infrastructure Diversity: Poor, 1 platform
  • Bandwidth Capacity Measurements: 12/12 relays measured by authorities
  • Performance Insights: Overall CW/BW: 1106. -4% lower than 1155 network average. 64th percentile with 812 median.
    • Guard CW/BW: 1106. +29% higher than 859 network average. 62th percentile with 891 median.
  • Operational Maturity: Operating since 2022-09-30 (expanded through 2026-01-26)
  • Version Compliance: All, 12 (100%) compliant
    • Version Status: All, 12 (100%) recommended
  • Family Support: 12 Happy Families (100%)

⏰ Relay Reliability

  • Overall Uptime: 30d 99.3% (12 relays), 6mo 99.9% (12 relays), 1y 99.8% (8 relays), 5y 99.4% (6 relays)
    • ✅ No statistical outliers detected - consistent performance across all relays
    • Network Uptime (6mo): 5th Pct: 80%, 25th Pct: 98%, 50th Pct: 100%, Operator: 100%, 75th Pct: 100%, 90th Pct: 100%, 95th Pct: 100%, 99th Pct: 100%
  • Offline: 0 relays
Reliability data available for 12/12 relays, from 2026-07-25 11:00:00 UTC

🚀 Bandwidth Reliability

Operator Performance:
  • Average Relay Throughput: 6mo 143.76 Mbit/s avg (12 relays), 1y 152.80 Mbit/s avg (8 relays), 5y 144.42 Mbit/s avg (6 relays)
  • Performance Analysis (6mo):
    • Stability: Great (Coefficient of Variation: 24.4% = 35.07 Mbit/s σ / 143.76 Mbit/s μ)
    • Trend: Growth (+39.6%) for most recent (May 24 - Jul 23, 2026) vs least recent (Jan 23 - Mar 24, 2026)
    • Capacity Utilization: 56% of all-time peak capacity (current 6mo avg vs all-time 1yr peak)
    • Bandwidth Outliers: 1 relay with unusual bandwidth patterns, High: TorScale2
Network Comparison:
  • Network Position: Top 25% (75th-95th percentile)
  • Network Contribution: 6mo 1.72 Gbit/s avg (181 days), 1y 1.11 Gbit/s avg (183 days), 5y 826.23 Mbit/s avg (140 days)
Bandwidth Stability: Great (Top 25% most stable), Good (25-50% most stable), Variable (25-50% most stable), Extreme (Bottom 10% most variable)
Reliability data available for 12/12 relays, from 2026-07-25 11:00:00 UTC

🏆 AROI Champion Rankings

3 winning AROI Champions Dashboard categories:

🏷️ Flag Reliability

Flag-specific uptime percentages (1M/6M/1Y/5Y):
🛡️ Stable Operation: 99.3% / 99.9% / 98.1% / 97.1%
⚡ Fast Relay: 99.3% / 99.9% / 99.8% / 99.4%
🟢 Running Operation: 99.3% / 99.9% / 99.8% / 99.4%
🛡️ Entry Guard: 99.3% / 99.4% / 98.1% / 96.7%
📂 Hidden Services: 56.3% / 78.0% / 79.1% / 83.4%
📁 Directory Services: 99.3% / 99.9% / 99.8% / 99.4%
Excellent (>99%), Below average (<μ of network), Poor (≥2σ from network μ) , from 2026-07-25 11:00:00 UTC

🚀 Flag Bandwidth Performance

Flag-specific bandwidth averages (6M/1Y/5Y):
🛡️ Entry Guard: 143.76 Mbit/s / 152.80 Mbit/s / 144.42 Mbit/s
⚡ Fast Relay: 143.76 Mbit/s / 152.80 Mbit/s / 144.42 Mbit/s
🟢 Running: 143.76 Mbit/s / 152.80 Mbit/s / 144.42 Mbit/s
📁 Hidden Service Directory: 173.46 Mbit/s / 160.84 Mbit/s / 157.04 Mbit/s
🎯 Stable Relay: 143.76 Mbit/s / 152.80 Mbit/s / 144.42 Mbit/s
📋 Version 2 Directory: 143.76 Mbit/s / 152.80 Mbit/s / 144.42 Mbit/s
High performance (>1.5x μ), Below average (<μ of network), Poor (≥2σ from network μ)

Last updated: Sat, 25 Jul 2026 12:45:49 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

📋 Issues Across This Operator's Relays (12 affected)

Issue Affected relays
Transport error 12

See per-relay details with pasteable fix examples in the sections below.

⚠ MISCONFIGURED RELAYS (12)

Status Nickname BW Cap (3.62 Gbit/s) Total Data Uptime/Downtime ▾ Uptime (1M/6M/1Y/5Y) Flag Uptime (1M/6M/1Y/5Y) IPv4 Flags DNS Family Country AS Number AS Name Platform First Seen Last Restarted IPv6
⚠ TorZoner3 (12) 300.31 Mbit/s   ✓ 395 TB UP 3w 6d 19h ago 99.6%/99.9%/0.0%/0.0% —/98.4%/—/— 37.46.208.212 FastGuardRunningStableV2DirValid NA Happy Families Czechia CZ AS34222 ZONER a.s. Linux 5mo 4w 1d ago 3w 6d 19h ago 2a00:19a0:3:d0:0:252e:d0d4:1
⚠ TorScale3 (12) 325.04 Mbit/s   ✓ 607 TB UP 3w 6d 19h ago 99.4%/99.9%/99.7%/0.0% —/—/92.5%/— 51.159.195.41 FastGuardHSDirRunningStableV2DirValid NA Happy Families France FR AS12876 Scaleway SAS Linux 7mo 1w 2d ago 3w 6d 19h ago 2001:bc8:1201:512:da5e:d3ff:fe6c:8241
⚠ TorScale2 (12) 320.95 Mbit/s   ✓ 4.6 PB UP 3w 6d 19h ago 99.3%/99.9%/99.8%/99.6% —/—/—/96.4% 51.159.195.41 FastGuardHSDirRunningStableV2DirValid NA Happy Families France FR AS12876 Scaleway SAS Linux 2y 6mo 3w ago 3w 6d 19h ago 2001:bc8:1201:512:da5e:d3ff:fe6c:8241
⚠ TorScale4 (12) 342.21 Mbit/s   ✓ 707 TB UP 3w 6d 19h ago 99.0%/99.8%/99.7%/0.0% —/—/92.8%/— 51.159.195.41 FastGuardHSDirRunningStableV2DirValid NA Happy Families France FR AS12876 Scaleway SAS Linux 7mo 1w 2d ago 3w 6d 19h ago 2001:bc8:1201:512:da5e:d3ff:fe6c:8241
⚠ TorScale (12) 314.92 Mbit/s   ✓ 4.5 PB UP 3w 6d 19h ago 99.6%/99.9%/99.8%/99.0% —/—/—/94.8% 51.159.195.41 FastGuardHSDirRunningStableV2DirValid NA Happy Families France FR AS12876 Scaleway SAS Linux 3y 4mo 2w ago 3w 6d 19h ago 2001:bc8:1201:512:da5e:d3ff:fe6c:8241
⚠ TorHet2 (12) 296.11 Mbit/s   ✓ 4.1 PB UP 3w 6d 19h ago 99.2%/99.9%/99.9%/99.3% —/—/—/97.0% 5.9.14.25 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS24940 Hetzner Online GmbH Linux 3y 9mo 4w ago 3w 6d 19h ago 2a01:4f8:160:8410::2
⚠ TorHet4 (12) 226.98 Mbit/s   ✓ 4.0 PB UP 3w 6d 19h ago 98.5%/99.7%/99.8%/99.9% Match 5.9.14.30 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS24940 Hetzner Online GmbH Linux 2y 6mo 3w ago 3w 6d 19h ago 2a01:4f8:160:8410::3
⚠ TorHet3 (12) 246.57 Mbit/s   ✓ 4.1 PB UP 3w 6d 19h ago 99.4%/99.9%/99.9%/99.3% —/—/—/97.2% 5.9.14.30 FastGuardHSDirRunningStableV2DirValid NA Happy Families Germany DE AS24940 Hetzner Online GmbH Linux 3y 9mo 2w ago 3w 6d 19h ago 2a01:4f8:160:8410::3
⚠ TorHet (12) 261.97 Mbit/s   ✓ 3.9 PB UP 3w 6d 19h ago 98.5%/99.7%/99.8%/99.3% —/—/—/95.2% 5.9.14.25 FastGuardRunningStableV2DirValid NA Happy Families Germany DE AS24940 Hetzner Online GmbH Linux 3y 9mo 4w ago 3w 6d 19h ago 2a01:4f8:160:8410::2
⚠ TorZoner (12) 344.77 Mbit/s   ✓ 534 TB UP 3d 17h 33m ago 99.7%/100.0%/0.0%/0.0% —/98.4%/—/— 37.46.208.212 FastGuardRunningStableV2DirValid NA Happy Families Czechia CZ AS34222 ZONER a.s. Linux 5mo 4w 1d ago 3d 17h 34m ago 2a00:19a0:3:d0:0:252e:d0d4:1
⚠ TorZoner2 (12) 333.87 Mbit/s   ✓ 489 TB UP 1d 13h 56m ago 99.3%/99.9%/0.0%/0.0% —/98.3%/—/— 37.46.208.212 FastGuardRunningStableV2DirValid NA Happy Families Czechia CZ AS34222 ZONER a.s. Linux 5mo 4w 1d ago 1d 13h 57m ago 2a00:19a0:3:d0:0:252e:d0d4:1
⚠ TorZoner4 (12) 310.93 Mbit/s   ✓ 415 TB UP 1d 10h 45m ago 99.7%/100.0%/0.0%/0.0% —/98.4%/—/— 37.46.208.212 FastGuardRunningStableV2DirValid NA Happy Families Czechia CZ AS34222 ZONER a.s. Linux 5mo 4w 1d ago 1d 10h 46m ago 2a00:19a0:3:d0:0:252e:d0d4:1
⚠️ MISCONFIGURED RELAY DETAILS

These relays have AROI configured but validation failed due to errors.

Validation data last updated: 2026-07-25 05:00 UTC

  • TorZoner3 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.003 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out.. Used domain cache after 5 attempts. • Proof: dns-rsa • FP: CF6DBE7694EDD7216612EA9CA3F1169E7D2A837F
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorScale3 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.003 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out.. Used domain cache after 5 attempts. • Proof: dns-rsa • FP: B95A8A85310362945DD0F2D184CC2A50AC875492
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorScale2 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.001 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out. • Proof: dns-rsa • FP: 56909EDCDFFC04AA38593466F51F3FB2AC63414C
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorScale4 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.003 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out.. Used domain cache after 5 attempts. • Proof: dns-rsa • FP: D7078D13C7799B2A1D788CCF1D43E06DEA67BF2D
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorScale v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.003 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out.. Used domain cache after 5 attempts. • Proof: dns-rsa • FP: B7B35AFD69A1F8C0453A45FDC92B28824F34F402
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorHet2 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.002 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out. • Proof: dns-rsa • FP: 0ACF5BB9E37D33577F6C1AA9DEEB6E7EDDF8D2C0
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorHet4 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.003 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out.. Used domain cache after 5 attempts. • Proof: dns-rsa • FP: D245932673168094C492D5155F64699E251703E9
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorHet3 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.001 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out. • Proof: dns-rsa • FP: 0947B12441F69611D7DF7FA94D9188F7AA2B79FF
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorHet v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.001 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out. • Proof: dns-rsa • FP: 778DCB9DB6CDD5FF2F1A85571308B492D6DFF962
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorZoner v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.003 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out.. Used domain cache after 5 attempts. • Proof: dns-rsa • FP: F4ADC09DDE6768ECBF701612469142EABE7AFCC6
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorZoner2 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.003 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out. • Proof: dns-rsa • FP: 3A56376BB965825539D9BBF2E409F316CE57A22E
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors
  • TorZoner4 v2 • DNS-RSA: Lookup failed: The resolution lifetime expired after 5.002 seconds: Server Do53:8.8.8.8@53 answered The DNS operation timed out.; Server Do53:1.1.1.1@53 answered The DNS operation timed out.; Server Do53:8.8.8.8@53 answered The DNS operation timed out. • Proof: dns-rsa • FP: 1045C64A7591B985AEAA2650CEE3DBD38B19CF73
    📋 Paste: curl -v https://nikolov.cz/.well-known/tor-relay/rsa-fingerprint.txt # check for SSL/timeout/refused/HTTP errors

💡 Fix: Check DNS records, renew SSL certificates, or verify server connectivity.
📖 See the AROI Specification for guidance.