Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gruenform-achtermann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 23:57:52 UTC · ↺ Refresh
MX Hostnames
- mx19b.antispameurope.com
- mx19a.antispameurope.com
- mx19d.antispameurope.com
- mx19c.antispameurope.com
MX Priorities
- mx19d.antispameurope.com: 40
- mx19a.antispameurope.com: 10
- mx19c.antispameurope.com: 30
- mx19b.antispameurope.com: 20
A / AAAA Records
- 185.166.22.72 ↩ r31694.agenturserver.it
Mail Server IPs
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
- 94.100.132.100 ↩ hsmx01.antispameurope.com
SOA Record
Raw SOA
ns04.iok.de server-providing.iok.net 2024102102 10800 3600 604800 10800
Primary NS (mname)
ns04.iok.de
Admin Email (rname)
server-providing@iok.net
Serial
2024102102
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns04.iok.de
ns01.iok.net
ns02.iok.net
ns03.iok.net
SPF Record
✓ Strict (-all)
v=spf1 include:antispameurope.com include:agenturserver.de include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms95486930
- SPFv=spf1 include:antispameurope.com include:agenturserver.de include:spf.protection.outlook.com -all
- swisssign-check=pa9EwSmeofmi3b2xsSQVepbL1f8rIAekf2GSIb3bkU
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 gruenform-achtermann.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits