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Hosting & Network
stack.nrw runs on AS29484, with email configured.
- Hosting network
- AS29484AS29484
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- Set
Sits alongside 93 other sites on AS29484. Stable here since we started watching (Sep 25, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to stack.nrw.
DNS Records for stack.nrw
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| stack.nrw | SOA | 900 | dns1.ruhr-uni-bochum.de hostmaster.ruhr-uni-bochum.de 2026100127 1800 450 604800 900 | |
| stack.nrw | CAA | 0 | 0 issue harica.gr | |
| stack.nrw | MX | 0 | mi.ruhr-uni-bochum.de | |
| stack.nrw | TXT | 0 | HARICA-bIPz17aZJC2O1JCQy0q | |
| stack.nrw | A | 0 | 134.147.64.11 | |
| stack.nrw | NS | 0 | sdns01.de.tmr.net | |
| stack.nrw | NS | 0 | dns1.ruhr-uni-bochum.de | |
| stack.nrw | NS | 0 | dns2.ruhr-uni-bochum.de | |
| www.stack.nrw | CNAME | 0 | stack.nrw | |
| www.stack.nrw | NS | 0 | dns2.ruhr-uni-bochum.de | |
| www.stack.nrw | NS | 0 | sdns01.de.tmr.net | |
| www.stack.nrw | NS | 0 | dns1.ruhr-uni-bochum.de | |
| www.stack.nrw | A | 0 | 134.147.64.11 | |
| www.stack.nrw | CAA | 0 | 0 issue harica.gr | |
| www.stack.nrw | MX | 0 | mi.ruhr-uni-bochum.de | |
| www.stack.nrw | SOA | 900 | dns1.ruhr-uni-bochum.de hostmaster.ruhr-uni-bochum.de 2026100127 1800 450 604800 900 | |
| www.stack.nrw | TXT | 0 | HARICA-bIPz17aZJC2O1JCQy0q |
Get alerted the moment stack.nrw's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch stack.nrw 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