Domain Overview
DNS: ✓ 9d ago
Checker: ✓ 9d ago
ajaxsys.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-24 00:41:49 UTC · ↺ Refresh
MX Hostnames
- ajaxsys.com
MX Priorities
- ajaxsys.com: 0
A / AAAA Records
- 183.181.85.136 ↩ sv8775.xserver.jp
Mail Server IPs
- 183.181.85.136 ↩ sv8775.xserver.jp
SOA Record
Raw SOA
ns1.xserver.jp root.xserver.jp 0 10800 3600 604800 3600
Primary NS (mname)
ns1.xserver.jp
Admin Email (rname)
root@xserver.jp
Serial
0
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.xserver.jp
ns2.xserver.jp
ns5.xserver.jp
ns3.xserver.jp
ns4.xserver.jp
SPF Record
✓ Soft Fail (~all)
v=spf1 +a:sv8775.xserver.jp +a:ajaxsys.com +mx include:spf.sender.xserver.jp ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a:sv8775.xserver.jp +a:ajaxsys.com +mx include:spf.sender.xserver.jp ~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 · Customize →
See demo & docs
Deep verification
Full email verification for ajaxsys.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits