Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vh-ulm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 11:35:03 UTC · ↺ Refresh
MX Hostnames
- mailserver.vh-ulm.de
MX Priorities
- mailserver.vh-ulm.de: 101
A / AAAA Records
- 116.203.179.221 ↩ www.vh-ulm.de
- 2a01:4f8:1c1e:e533::1 ↩ www.vh-ulm.de
Mail Server IPs
- 109.235.230.139 ↩ mailserver.vh-ulm.de
- 2a02:778:250:2::10 ↩ mailserver.vh-ulm.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com ip.swu.de 2026031100 43200 7200 1209600 86400
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
ip@swu.de
Serial
2026031100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mailserver.vh-ulm.de ip4:109.235.230.139 ip4:109.235.230.140 ip4:109.235.230.141 ip4:37.27.247.130 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- apple-domain-verification=GWfu5SfSzEncUjU4
- google-site-verification=-z1s0zz6hfyiFjTZ7IpkYi-x6Od2xDen-Impbboydrk
- google-site-verification=uVTXzciEuk4mQomaXxqqM-ckarNnFEVlJPOMMzwa2KY
- openai-domain-verification=dv-78UotHHa7XV6QFomYTITm6iT
- SPFv=spf1 a mx a:mailserver.vh-ulm.de ip4:109.235.230.139 ip4:109.235.230.140 ip4:109.235.230.141 ip4:37.27.247.130 ~all
- MS=2DE08B6CB1AB55627FED4B73527E1D7E7D6F9189
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