Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sm-bau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 07:18:00 UTC · ↺ Refresh
MX Hostnames
- mail.sm-bau.de
- backupmail.sm-bau.de
MX Priorities
- backupmail.sm-bau.de: 10
- mail.sm-bau.de: 20
A / AAAA Records
- 217.160.0.195 ↩ 217-160-0-195.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 185.239.170.27 ↩ 185-239-170-27.bb.nextpertise.nl
- 5.102.165.122 ↩ static-5-102-165-122.net.encoline.de
SOA Record
Raw SOA
ns1104.ui-dns.de hostmaster.1und1.com 2017060145 28800 7200 604800 600
Primary NS (mname)
ns1104.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060145
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1065.ui-dns.biz
ns1055.ui-dns.org
ns1104.ui-dns.de
ns1039.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:internet-xs.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:internet-xs.de -all
Full email verification for sm-bau.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits