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Hosting & Network
zkn.nl runs on AS15703, with email via Microsoft 365.
- Hosting network
- AS15703AS15703
- Managed DNS
- Self-hosted / other
- Microsoft 365
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 3,553 other sites on AS15703. Stable here since we started watching (Aug 7, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for zkn.nl
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| zkn.nl | TXT | 0 | google-site-verification=0ywZ0wCYHBNbvnBrrnaH5XFK9noyD7mYkWlsybLkMQ8 | |
| zkn.nl | TXT | 0 | v=spf1 a mx include:spf.eprov.nl include:spf.protection.outlook.com include:_spf.transip.email include:spf_servers.yard.nl include:spf_cluster.yard.nl ip4:37.97.184.216 ip4:136.144.129.33 ip4:92.66.66.141 ip4:159.100.94.192/27 ip6:2a01:7c8:aac1:a5:5d96:ce7c:f66e:6d42 ~all | |
| zkn.nl | TXT | 0 | brevo-code:9c8b97b4908c8758ebf58a6438ddc620 | |
| zkn.nl | A | 0 | 87.233.203.230 | |
| zkn.nl | AAAA | 0 | 2001:9a8:a6:0:87:233:203:230 | |
| zkn.nl | MX | 0 | 10 | zkn-nl.mail.protection.outlook.com |
| zkn.nl | NS | 0 | ns3.sectigoweb.com | |
| zkn.nl | NS | 0 | ns2.sectigoweb.com | |
| zkn.nl | NS | 0 | ns1.sectigoweb.com | |
| zkn.nl | NS | 0 | ns4.sectigoweb.com | |
| zkn.nl | SOA | 300 | ns1.sectigoweb.com admin.sectigo.com 1662466009 86400 7200 604800 300 | |
| www.zkn.nl | A | 0 | 87.233.203.230 | |
| www.zkn.nl | AAAA | 0 | 2001:9a8:a6:0:87:233:203:230 |
Get alerted the moment zkn.nl's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch zkn.nl 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
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