Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sw-ol.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 03:26:56 UTC · ↺ Refresh
MX Hostnames
- smtpmx.uni-oldenburg.de
MX Priorities
- smtpmx.uni-oldenburg.de: 100
A / AAAA Records
- 134.106.87.42 ↩ rproxy.uni-oldenburg.de
- 2001:638:705:3f15::42 (no PTR)
Mail Server IPs
- 134.106.141.200 ↩ smtpmx200.uni-oldenburg.de
SOA Record
Raw SOA
ns01.uni-oldenburg.de ipserv.uni-oldenburg.de 776504969 3600 900 1209600 3600
Primary NS (mname)
ns01.uni-oldenburg.de
Admin Email (rname)
ipserv@uni-oldenburg.de
Serial
776504969
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns02.uni-oldenburg.de
ns01.uni-oldenburg.de
dns-2.dfn.de
arbi.informatik.uni-oldenburg.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:134.106.141.0/24 ip4:62.55.182.68 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — 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- google-site-verification=5jUt0wWq-NzuqHFaWY_5nTs10dtIDehl-z79UKiYuC8
- HARICA-pKUDPFTfppMkkrEY7E3
- SPFv=spf1 ip4:134.106.141.0/24 ip4:62.55.182.68 ~all
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