Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s3r.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 18:31:22 UTC · ↺ Refresh
MX Hostnames
- mx2.isrunning.de
- mx1.isrunning.de
MX Priorities
- mx2.isrunning.de: 100
- mx1.isrunning.de: 100
A / AAAA Records
- 159.69.129.164 ↩ ares.isrunning.de
- 2a01:4f8:fff0:9::4 ↩ ares.isrunning.de
Mail Server IPs
- 49.12.155.11 ↩ mx2.isrunning.de
- 2a01:4f8:fff0:9::14 ↩ mx2.isrunning.de
- 159.69.129.173 ↩ mx1.isrunning.de
- 2a01:4f8:fff0:9::13 ↩ mx1.isrunning.de
SOA Record
Raw SOA
liveconfig.isrunning.de dnsmaster.bf-easy-webhosting.de 2025081207 86400 14400 1209600 900
Primary NS (mname)
liveconfig.isrunning.de
Admin Email (rname)
dnsmaster@bf-easy-webhosting.de
Serial
2025081207
Refresh
86400s
Retry
14400s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns1.isrunning.de
ns2.isrunning.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.isrunning.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 a mx include:spf.isrunning.de ~all
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