Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swhd.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 00:00:42 UTC · ↺ Refresh
MX Hostnames
- mail02.swhd.de
- mail01.swhd.de
MX Priorities
- mail01.swhd.de: 10
- mail02.swhd.de: 20
A / AAAA Records
- 80.237.243.89 ↩ n80-237-243-89.cnet.hosteurope.de
Mail Server IPs
- 129.143.72.36 ↩ mail01.swhd.de
- 129.143.72.31 ↩ mail02.swhd.de
SOA Record
Raw SOA
dns1.belwue.de hostmaster.belwue.de 2025021817 21600 1800 2419200 3600
Primary NS (mname)
dns1.belwue.de
Admin Email (rname)
hostmaster@belwue.de
Serial
2025021817
Refresh
21600s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
dns1.belwue.de
dns3.belwue.de
dns5.belwue.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mail01.swhd.de a:mail02.swhd.de ip4:129.143.72.36 ip4:129.143.72.31 include:gipsprojekt.de include:spf.mailjet.com include:amazonses.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._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
6 records- docusign=0b06a2b4-7957-4480-be46-24232340f655
- swisssign-check=jBXRFh70ccjF6ZBEiQ2XWRKNICQ
- atlassian-domain-verification=ywuEGlaA2bkRMhqi12owGZYvIIMqRO0iOamlDWJlhKpd5VG6guLIw8LXheluH25X
- SPFv=spf1 a mx a:mail01.swhd.de a:mail02.swhd.de ip4:129.143.72.36 ip4:129.143.72.31 include:gipsprojekt.de include:spf.mailjet.com include:amazonses.com include:spf.protection.outlook.com ~all
- Stadtwerke Heidelberg GmbH, Alte Eppelheimer Strasse 26, 69115 Heidelberg
- apple-domain-verification=qxF0hsRs7GniRwAU
Full email verification for swhd.de
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