Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
soyboy.observer
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 05:02:48 UTC · ↺ Refresh
MX Hostnames
- mx.48hr.email
MX Priorities
- mx.48hr.email: 1
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 213.202.255.10 ↩ mail.cynthialabs.net
SOA Record
Raw SOA
miguel.ns.cloudflare.com dns.cloudflare.com 2397047864 10000 2400 604800 1800
Primary NS (mname)
miguel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397047864
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
olga.ns.cloudflare.com
miguel.ns.cloudflare.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for soyboy.observer
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits