sfb-erdbau.de

Valid Email Server
Domain Lookup › sfb-erdbau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sfb-erdbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 22:51:04 UTC · ↺ Refresh

MX Hostnames

  • smtp.greger.me

MX Priorities

  • smtp.greger.me: 10

A / AAAA Records

  • 134.255.244.230 ↩ isidor.greger.me
  • 2a0a:51c0:32:111::10 ↩ rproxy.isidor.greger.me

Mail Server IPs

  • 134.255.244.231 ↩ smtp.greger.me
  • 2a0a:51c0:32:111::30 ↩ smtp.greger.me

SOA Record

Raw SOA ns01.dexalo.de hostmaster.sfb-erdbau.de 2024072501 10800 3600 604800 3600
Primary NS (mname)
ns01.dexalo.de
Admin Email (rname)
hostmaster@sfb-erdbau.de
Serial
2024072501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns01.dexalo.de
ns02.dexalo.de

SPF Record

✓ Soft Fail (~all)
v=spf1 redirect=_spf.greger.me
📊 DNS lookups: 1/10

DMARC Record

✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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 redirect=_spf.greger.me
  • google-site-verification=ZAAbnwUmwHOge7mHLvoX00xHXU4-jYdsyD3_LXlMiAY
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