Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oilfix.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 00:33:37 UTC · ↺ Refresh
MX Hostnames
- d335466.a.ess.de.barracudanetworks.com
- d335466.b.ess.de.barracudanetworks.com
MX Priorities
- d335466.a.ess.de.barracudanetworks.com: 10
- d335466.b.ess.de.barracudanetworks.com: 20
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024122017 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024122017
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.net
ns.udag.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.ug-hagedorn.de mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:_spf.ug-hagedorn.de mx ~all
- 79b6322734bc1c0729261f7129959bc2e7674b093819b1e0d1b9951556cd12e
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