DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
leanbooks.xyz runs on AS201200, with email configured.
- Hosting network
- AS201200AS201200
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 4,999+ other sites on AS201200. 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 leanbooks.xyz.
DNS Records for leanbooks.xyz
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| leanbooks.xyz | NS | 0 | ns55.superhosting.bg | |
| leanbooks.xyz | NS | 0 | ns56.superhosting.bg | |
| leanbooks.xyz | SOA | 3600 | ns55.superhosting.bg hostmaster.superhosting.bg 2026083001 3600 600 2419200 3600 | |
| leanbooks.xyz | A | 0 | 91.196.125.92 | |
| leanbooks.xyz | MX | 0 | leanbooks.xyz | |
| leanbooks.xyz | TXT | 0 | google-site-verification=nMfCr75nbVGB4dmkD-lnacTVpSrxdDIjQN9dwqLC1Kc | |
| leanbooks.xyz | TXT | 0 | v=spf1 include:smtp-out.spf.superhosting.bg include:zeta.spf.superhosting.bg +a +mx +ip4:91.196.124.210 ~all | |
| www.leanbooks.xyz | A | 0 | 91.196.125.92 | |
| www.leanbooks.xyz | CNAME | 0 | leanbooks.xyz | |
| www.leanbooks.xyz | TXT | 0 | google-site-verification=nMfCr75nbVGB4dmkD-lnacTVpSrxdDIjQN9dwqLC1Kc | |
| www.leanbooks.xyz | TXT | 0 | v=spf1 include:smtp-out.spf.superhosting.bg include:zeta.spf.superhosting.bg +a +mx +ip4:91.196.124.210 ~all | |
| www.leanbooks.xyz | MX | 0 | leanbooks.xyz | |
| www.leanbooks.xyz | NS | 0 | ns56.superhosting.bg | |
| www.leanbooks.xyz | NS | 0 | ns55.superhosting.bg | |
| www.leanbooks.xyz | SOA | 3600 | ns55.superhosting.bg hostmaster.superhosting.bg 2026083001 3600 600 2419200 3600 |
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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