Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
siderolabs.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 23:08:23 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
No priority data.
A / AAAA Records
- 216.150.1.1
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns-cloud-e3.googledomains.com
ns-cloud-e1.googledomains.com
ns-cloud-e4.googledomains.com
ns-cloud-e2.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:5706104.spf01.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- anthropic-domain-verification-h3gn13=H7JKTQMLbfPH7nSYiT5NIyFKt
- MS=495F7422ED17B038A5DFC3CAA9792884338812AE
- record:google-site-verification=Y1nMi8LrGE-p_EqNX9AZuATeJm4EZONFnrLzsU7gdHI
- google-site-verification=gpPFQi-oTGp7byIOVAMxHuMedwEA53nGU4v2hiIjF3c
- stripe-verification=4FE9E57404E32064E9A7DE05BB626B119C53B842738A9D1DEDA527F8CFBF7F03
- stripe-verification=1c78db3b6ffef36151fb9b9b38e31810d872d011914aac10e6457e0261cf7dc7
- SPFv=spf1 include:_spf.google.com include:5706104.spf01.hubspotemail.net -all
- notion-domain-verification=66jSbpzvnGcnMQqvSJli1TGjsP7qTU8XLFvDtSKPt15
Full email verification for siderolabs.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits