Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ac-computer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 10:49:24 UTC · ↺ Refresh
MX Hostnames
- mx1.ac-computer.de
- mail.acnet.de
MX Priorities
- mx1.ac-computer.de: 10
- mail.acnet.de: 20
A / AAAA Records
- 188.119.92.140 ↩ cp.acnet.de
Mail Server IPs
- 91.249.181.119 ↩ mx1.ac-computer.de
- 188.119.92.140 ↩ cp.acnet.de
SOA Record
Raw SOA
ns.pin-net.de hostmaster.ns.pin-net.de 2025072201 28800 7200 604800 4800
Primary NS (mname)
ns.pin-net.de
Admin Email (rname)
hostmaster@ns.pin-net.de
Serial
2025072201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
4800s
Nameservers (NS)
ns.pin-net.com
ns.pin-net.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mx1.ac-computer.de ip4:91.249.181.119 ip4:188.119.92.140 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 mx a:mx1.ac-computer.de ip4:91.249.181.119 ip4:188.119.92.140 ~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 ac-computer.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits