Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
studierendenwerk-ulm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 20:12:08 UTC · ↺ Refresh
MX Hostnames
- mail.studierendenwerk-ulm.de
MX Priorities
- mail.studierendenwerk-ulm.de: 10
A / AAAA Records
- 88.99.7.236 ↩ studierendenwerk1.cortex-media.de
- 2a01:4f8:251:2e01::236 ↩ studierendenwerk1.cortex-media.de
Mail Server IPs
- 134.60.1.26 ↩ smtp.uni-ulm.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026021702 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026021702
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:193.197.71.0/28 include:_spf.uni-ulm.de a:tl1host.eu a:my.studierendenwerk-ulm.de include:spf.qb-feedback.com ~all
📊 DNS lookups: 4/10
~ 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
2 records- SPFv=spf1 ip4:193.197.71.0/28 include:_spf.uni-ulm.de a:tl1host.eu a:my.studierendenwerk-ulm.de include:spf.qb-feedback.com ~all
- google-site-verification=aqN6UEC07gPvxkplXuFSe8hKxNxlogF8YTsXlfaIBO4
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