Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
im-ulm.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:29:24 UTC · ↺ Refresh
MX Hostnames
- mx2.onoffice.de
- mx1.onoffice.de
MX Priorities
- mx2.onoffice.de: 20
- mx1.onoffice.de: 10
A / AAAA Records
- 95.130.253.13 ↩ 95-130-253-13.reverse.cust.as47215.net
Mail Server IPs
- 95.130.253.71 ↩ mx2.onoffice.de
- 95.130.253.60 ↩ mx1.onoffice.de
SOA Record
Raw SOA
ns1032.ui-dns.org hostmaster.1und1.com 2017060115 28800 7200 604800 600
Primary NS (mname)
ns1032.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060115
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1032.ui-dns.org
ns1058.ui-dns.com
ns1063.ui-dns.biz
ns1101.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:im-ulm.net include:onoffice.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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- SPFv=spf1 a mx a:im-ulm.net include:onoffice.de -all
- MS=ms91611270
- google-site-verification=zRNUI42wH75Z75lSQ0j-z04DP4oxqjrdqcRuZZj4fZ4
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