DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
sinspam.org runs on AS40021.
- Hosting network
- AS40021AS40021
- Managed DNS
- Self-hosted / other
- None
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 29,398 other sites on AS40021. Stable here since we started watching (Oct 28, 2026).
DNS Records for sinspam.org
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| sinspam.org | AAAA | 0 | 2605:a140:2363:321::1 | |
| sinspam.org | A | 0 | 144.126.159.50 | |
| sinspam.org | SOA | 900 | ns1.he.net hostmaster.he.net 2026101609 14400 3600 1209600 900 | |
| sinspam.org | TXT | 0 | google-site-verification=Af0oMpP-ug4Jv8DKQycHNzUYwmwgmufnruiqDYDeFng | |
| sinspam.org | NS | 0 | ns4.he.net | |
| sinspam.org | NS | 0 | ns3.he.net | |
| sinspam.org | NS | 0 | ns2.he.net | |
| sinspam.org | NS | 0 | ns1.he.net | |
| sinspam.org | NS | 0 | ns5.he.net | |
| www.sinspam.org | CNAME | 0 | bd-sinspam.b-cdn.net | |
| www.sinspam.org | A | 0 | 152.233.50.2 | |
| www.sinspam.org | AAAA | 0 | 2a02:6ea0:e237::1503:1 |
Get alerted the moment sinspam.org's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch sinspam.org 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