DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
per.aero runs on AS4826, with DNS by Azure DNS and email via Microsoft 365.
- Hosting network
- AS4826AS4826
- Managed DNS
- Azure DNS
- Microsoft 365
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 2,269 other sites on AS4826. Stable here since we started watching (Sep 2, 2026).
DNS Records for per.aero
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| per.aero | A | 0 | 203.161.117.250 | |
| per.aero | NS | 0 | ns4-04.azure-dns.info | |
| per.aero | NS | 0 | ns2-04.azure-dns.net | |
| per.aero | NS | 0 | ns3-04.azure-dns.org | |
| per.aero | NS | 0 | ns1-04.azure-dns.com | |
| per.aero | TXT | 0 | _cundhuncqavtmoav5d7hjou87jfn2rm | |
| per.aero | TXT | 0 | L+mz3UBuq/askvF5e5KSOsxIj+FzT68c2z3GDwlZc6hAFIIX4jrafOFRk8afbzdr7nJWOykpF36T876GGDO1eQ== | |
| per.aero | TXT | 0 | v=spf1 ip4:103.130.155.52/30 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all | |
| per.aero | MX | 0 | 20 | per-aero.mail.protection.outlook.com |
| per.aero | SOA | 300 | ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300 |
Get alerted the moment per.aero's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch per.aero 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