Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
klinikum-oldenburg.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-24 22:33:39 UTC ยท โบ Refresh
MX Hostnames
- mail.klinikum-oldenburg.de
MX Priorities
- mail.klinikum-oldenburg.de: 10
A / AAAA Records
- 212.6.91.36 โฉ www.klinikum-oldenburg.de
Mail Server IPs
- 212.6.91.35 โฉ mail.klinikum-oldenburg.de
SOA Record
Raw SOA
dns.aipi.de hostmaster.aipi.de 2026032401 21600 1800 1209600 86400
Primary NS (mname)
dns.aipi.de
Admin Email (rname)
hostmaster@aipi.de
Serial
2026032401
Refresh
21600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns.aipi.ch
dns.aipi.uk
dns.aipi.at
dns.aipi.network
dns.aipi.de
SPF Record
โ Strict (-all)
v=spf1 mx include:_spf.recruiting-portal.com ip4:212.6.91.32/29 ip4:212.6.107.45 ip4:89.200.169.102 ip6:2a00:19e0:3002:2608::2 ip4:94.130.95.60/32 ip6:2a01:4f8:10b:2d06:94:130:95:60 -all
๐ DNS lookups: 2/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 1 found
mail._domainkey
โ Public key: 392 chars (valid)
โ 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 mx include:_spf.recruiting-portal.com ip4:212.6.91.32/29 ip4:212.6.107.45 ip4:89.200.169.102 ip6:2a00:19e0:3002:2608::2 ip4:94.130.95.60/32 ip6:2a01:4f8:10b:2d06:94:130:95:60 -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 klinikum-oldenburg.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits