Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
igb-berlin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:40:01 UTC · ↺ Refresh
MX Hostnames
- b2421.mx.srv.dfn.de
- a2421.mx.srv.dfn.de
- c2421.mx.srv.dfn.de
MX Priorities
- b2421.mx.srv.dfn.de: 10
- c2421.mx.srv.dfn.de: 10
- a2421.mx.srv.dfn.de: 10
A / AAAA Records
- 149.233.9.85 ↩ s112-085.werk21system.de
Mail Server IPs
- 194.95.234.205 ↩ b2421.mx.srv.dfn.de
- 194.95.238.205 ↩ c2421.mx.srv.dfn.de
- 194.95.232.205 ↩ a2421.mx.srv.dfn.de
SOA Record
Raw SOA
a1.fv-berlin.de it-support.igb-berlin.de 2024040280 28800 7200 1209600 10800
Primary NS (mname)
a1.fv-berlin.de
Admin Email (rname)
it-support@igb-berlin.de
Serial
2024040280
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
a2.fv-berlin.de
a1.fv-berlin.de
lampetra.igb-berlin.de
deneb.dfn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a:spirula.igb-berlin.de ip4:62.141.187.31 include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=9B_i4jLwisSt7YLiYbCsqWGwtd-VoN8LWaRWOtHTrFk
- SPFv=spf1 a:spirula.igb-berlin.de ip4:62.141.187.31 include:_spf.google.com ~all
- google-site-verification=bPB9H59UmQwoidkclURn1QkjRgghJ8SDOe0xgKihsPU
- MS=6274003715B8DBCCB38CF0782218BA0EA6A49ECB
- brevo-code:69946c80568586119cdcd47258e82cb9
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