Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hwk-oldenburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:58:17 UTC · ↺ Refresh
MX Hostnames
- mail.hwk-oldenburg.de
MX Priorities
- mail.hwk-oldenburg.de: 10
A / AAAA Records
- 93.93.202.75 ↩ hwk-universal.de
Mail Server IPs
- 80.153.97.78 ↩ mail.hwk-oldenburg.de
SOA Record
Raw SOA
hwk-oldenburg.de webteam.vrg-it.de 2023050820 28800 7200 604800 86400
Primary NS (mname)
hwk-oldenburg.de
Admin Email (rname)
webteam@vrg-it.de
Serial
2023050820
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
pns.dtag.de
dns.vrg.de
ns2.vrg.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=10; adkim=r; aspf=r; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 10% of failing messages only
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
2 records- SPFv=spf1 mx -all
- MS=B1073B6792A200DB92B9263CECE69CA872C44806
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