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Hosting & Network
col.fi runs on AS207003 (multi-homed across 2 networks), with email configured.
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 577 other sites on AS207003. Stable here since we started watching (Sep 22, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to col.fi.
DNS Records for col.fi
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| col.fi | AAAA | 0 | 2a0b:dbc4:1::40 | |
| col.fi | A | 0 | 185.239.159.40 | |
| col.fi | TXT | 0 | v=spf1 include:spf.web1.fi include:spf.mail2.fi include:spf.hattara.io -all | |
| col.fi | SOA | 7200 | ns1.empor.fi jukka.lampikoski.com 2026100801 10800 3600 1814400 7200 | |
| col.fi | NS | 0 | ns3.empor.fi | |
| col.fi | NS | 0 | ns2.empor.fi | |
| col.fi | NS | 0 | ns1.empor.fi | |
| col.fi | MX | 0 | mx.mail2.fi | |
| www.col.fi | MX | 0 | mx.mail2.fi | |
| www.col.fi | A | 0 | 185.239.159.40 | |
| www.col.fi | TXT | 0 | v=spf1 include:spf.web1.fi include:spf.mail2.fi include:spf.hattara.io -all | |
| www.col.fi | SOA | 7200 | ns1.empor.fi jukka.lampikoski.com 2026100801 10800 3600 1814400 7200 | |
| www.col.fi | AAAA | 0 | 2a0b:dbc4:1::40 | |
| www.col.fi | NS | 0 | ns3.empor.fi | |
| www.col.fi | NS | 0 | ns1.empor.fi | |
| www.col.fi | NS | 0 | ns2.empor.fi | |
| www.col.fi | CNAME | 0 | col.fi |
Get alerted the moment col.fi's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch col.fi continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain