PublicDNS.info

Ireland ISP DNS Servers

10 internet service providers listed — 8 with known DNS server addresses. ISP DNS servers are typically private and only work for that ISP's customers.

All Countries Public DNS in Ireland Public DNS Servers
Note: ISP DNS servers are not public — they only work for customers of that specific ISP. If you want DNS that works from any connection, use public DNS servers instead.

Major National ISP

5 providers
Eir (formerly Eircom)
Position: Largest ISP in Ireland
Coverage: Nationwide
Technology: Fiber, DSL, Mobile
DNS Servers:
159.134.0.1
Primary
159.134.0.2
Secondary
213.94.190.236
Legacy
213.94.190.194
Legacy
Largest network in Ireland
Virgin Media Ireland
Position: Major cable provider
Coverage: Urban areas (Dublin, Cork, Limerick, etc.)
Technology: Cable (DOCSIS)
DNS Servers:
89.101.160.4
Primary
89.101.160.5
Secondary
Vodafone Ireland
Position: Major mobile and broadband provider
Coverage: Nationwide
Technology: Fiber, Mobile
DNS Servers:
89.19.64.164
Primary
89.19.64.36
Secondary
Sky Ireland
Position: TV and broadband provider
Coverage: Nationwide (uses Eir network)
Technology: DSL, Fiber (via Eir)
DNS Servers:
159.134.0.1
Primary
159.134.0.2
Secondary
Uses Eir infrastructure — does not operate own network
Three Ireland
Position: Mobile and fixed wireless provider
Coverage: Mobile and fixed wireless nationwide
Technology: Mobile, Fixed Wireless
DNS Servers:
62.40.32.34
Primary
Limited public information on full DNS infrastructure

Regional ISP

5 providers
Digiweb
Position: Wireless broadband provider
Coverage: Multiple cities
Technology: Wireless broadband
DNS Servers:
78.137.182.110
DNS Server
84.203.162.227
DNS Server
80.93.18.196
DNS Server
BT Communications Ireland
Position: Business and residential provider
Coverage: Nationwide
Technology: Fiber, DSL
DNS Servers:
194.165.165.137
Primary
194.165.165.135
Secondary
Smart Telecoms
Position: Alternative provider
Coverage: Regional
Technology: Fiber, DSL
DNS Servers:
84.203.254.34
Primary
84.203.255.34
Secondary
Imagine
Position: Fixed wireless provider
Coverage: Regional
Technology: Fixed Wireless
DNS Servers: Not publicly documented — auto-assigned via DHCP
DNS servers not publicly documented
Pure Telecom
Position: Wholesale infrastructure provider
Coverage: Nationwide
Technology: DSL, Fiber (wholesale)
DNS Servers: Not publicly documented — auto-assigned via DHCP
Uses wholesale infrastructure

Why change from ISP DNS?

  • Speed: ISP DNS can be slow or overloaded — public DNS is often faster.
  • Privacy: Some ISPs log or sell DNS query data.
  • Security: Services like Quad9 (9.9.9.9) block malicious domains.
  • Reliability: Public DNS providers offer 99.99%+ uptime.
  • Features: Ad-blocking (AdGuard), family filters (OpenDNS), DNSSEC validation.

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Last updated: January 2026. Data may be incomplete or outdated — ISPs change DNS servers without notice.