DNS Record Lookup
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Hosting & Network
coretrek.net runs on AS25400, with email configured.
- Hosting network
- AS25400AS25400
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 1,303 other sites on AS25400. Stable here since we started watching (Jul 25, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to coretrek.no.
DNS Records for coretrek.net
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| coretrek.net | MX | 0 | 5 | mail.coretrek.net |
| coretrek.net | TXT | 0 | v=spf1 mx ip4:80.239.119.0/24 ip4:213.236.227.0/24 -all | |
| coretrek.net | SOA | 1800 | ns01.coretrek.net hostmaster.coretrek.no 2026102911 3600 1800 1209600 1800 | |
| coretrek.net | NS | 0 | ns01.coretrek.net | |
| coretrek.net | NS | 0 | ns03.coretrek.net | |
| coretrek.net | NS | 0 | ns02.coretrek.net | |
| coretrek.net | A | 0 | 80.239.119.101 | |
| www.coretrek.net | CNAME | 0 | coretrek.no | |
| www.coretrek.net | A | 0 | 80.239.119.101 | |
| www.coretrek.net | SOA | 86400 | ns01.coretrek.net hostmaster.coretrek.no 2026102907 3600 1800 1209600 86400 | |
| www.coretrek.net | NS | 0 | ns02.coretrek.net | |
| www.coretrek.net | NS | 0 | ns01.coretrek.net | |
| www.coretrek.net | NS | 0 | ns03.coretrek.net | |
| www.coretrek.net | MX | 0 | 1 | smtp.google.com |
| www.coretrek.net | TXT | 0 | google-site-verification=UscoVoRAy3XtDGd3VDOIwzOYk1ofEHG-tQzrzTeNvVw | |
| www.coretrek.net | TXT | 0 | _cf-custom-hostname.trust.coretrek.no | |
| www.coretrek.net | TXT | 0 | 6eea5d6a-5529-4d33-9e18-3d5d32669135 | |
| www.coretrek.net | TXT | 0 | v=spf1 ip4:80.239.119.0/24 ip4:213.236.227.0/24 ip4:195.159.144.141 ip4:77.40.237.246 ip4:82.147.38.99 ip4:185.91.65.42 ip4:195.159.29.0/24 ip4:77.241.100.160/27 include:spf-basic.fogbugz.com include:_spf.google.com a:coretrek.ladesk.com include:mandrillapp.com -all | |
| www.coretrek.net | TXT | 0 | _globalsign-domain-verification=uJoKUhtQ-3jfXIHVJI38P4DPCs6uRkQ3bPauR9JdzQ | |
| www.coretrek.net | TXT | 0 | _globalsign-domain-verification=HvHeFHgGmtskFTPs_HRhtprkxm8CSTOJaxUgahStR7 | |
| www.coretrek.net | TXT | 0 | apple-domain-verification=hNfMZ09nidZU2aoH | |
| www.coretrek.net | TXT | 0 | linkedin-site-verification=419d5172-f4d6-4cda-b3ae-a5457ecc77c6 | |
| www.coretrek.net | TXT | 0 | anthropic-domain-verification-dnsqc7=uJaxv7StW2jiuJL6T5lcrd6M2 |
Get alerted the moment coretrek.net's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch coretrek.net 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, CNAME, TXT 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
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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