Domain Overview
DNS: ✓ 1h ago
Checker: ✓ 1h ago
utesch-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-08-19 04:19:38 UTC · ↺ Refresh
MX Hostnames
- mail.cu-it.de
MX Priorities
- mail.cu-it.de: 10
A / AAAA Records
- 136.243.226.96 ↩ fw.cu-it.de
- 2a01:4f8:211:756::4 ↩ fw.cu-it.de
Mail Server IPs
- 136.243.226.97 ↩ mail.cu-it.de
- 2a01:4f8:211:756::9 ↩ mail.cu-it.de
SOA Record
Raw SOA
ns2.cu-it.de hostmaster 2009072964 10800 3600 604800 38400
Primary NS (mname)
ns2.cu-it.de
Admin Email (rname)
hostmaster
Serial
2009072964
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
vserver3.cu-it.de
ns2.cu-it.de
SPF Record
✓ Strict (-all)
v=spf1 a ip4:136.243.226.97 ip6:2a01:4f8:211:756::9 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; fo=1:d:s; adkim=r; aspf=r; pct=100; rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
mail._domainkey
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a ip4:136.243.226.97 ip6:2a01:4f8:211:756::9 -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 utesch-online.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits