Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hasskerl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 06:03:25 UTC · ↺ Refresh
MX Hostnames
- mail.hasskerl.de
- 78v.hlogin.net
MX Priorities
- 78v.hlogin.net: 20
- mail.hasskerl.de: 10
A / AAAA Records
- 136.243.225.164 ↩ 78v.hlogin.net
- 2a01:4f8:212:1719::8 ↩ 78v.hlogin.net
Mail Server IPs
- 136.243.225.162 ↩ 78v.hlogin.net
- 136.243.225.161 ↩ 78v.hlogin.net
- 136.243.225.166 ↩ 78v.hlogin.net
- 136.243.225.165 ↩ 78v.hlogin.net
- 136.243.225.164 ↩ 78v.hlogin.net
- 136.243.225.167 ↩ 78v.hlogin.net
- 136.243.225.163 ↩ 78v.hlogin.net
- 2a01:4f8:212:1719::5 ↩ 78v.hlogin.net
- 2a01:4f8:212:1719::36 ↩ 78v.hlogin.net
- 2a01:4f8:212:1719::8 ↩ 78v.hlogin.net
SOA Record
Raw SOA
ns1.syhost.ch support.syhost.ch 2025010805 43200 7200 1209600 18800
Primary NS (mname)
ns1.syhost.ch
Admin Email (rname)
support@syhost.ch
Serial
2025010805
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
18800s
Nameservers (NS)
ns3.syhost.ch
ns2.syhost.ch
ns4.syhost.ch
ns1.syhost.ch
SPF Record
✓ Strict (-all)
v=spf1 a mx include:78v.hlogin.net include:relay2.hostinglogin.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;adkim=r;aspf=r
~ 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 include:78v.hlogin.net include:relay2.hostinglogin.net -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 hasskerl.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits