Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
theresie.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-31 04:14:50 UTC ยท โบ Refresh
MX Hostnames
- smx00.udag.de
- smx01.udag.de
MX Priorities
- smx01.udag.de: 10
- smx00.udag.de: 10
A / AAAA Records
- 83.138.60.123 (no PTR)
Mail Server IPs
- 62.146.106.51 โฉ smx01.udag.de
- 62.146.106.50 โฉ smx00.udag.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024021908 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024021908
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.org
ns.udag.net
ns.udag.de
SPF Record
โ Strict (-all)
v=spf1 include:_smtp.udag.de -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; aspf=s; adkim=s
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Strict
ยท DKIM alignment: Strict
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- _telesec-domain-validation=A8EDC8CBFB0C7C6FE99AA01BA58AA3327C039A92304BD293431928B877DEBA66
- E9EE8121576E77B082957CF308539E82B775769E08B02CA70F175C210AE3310A
- SPFv=spf1 include:_smtp.udag.de -all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for theresie.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits