Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stadtwerke-buedingen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 07:32:24 UTC · ↺ Refresh
MX Hostnames
- mail.stadtwerke-buedingen.de
MX Priorities
- mail.stadtwerke-buedingen.de: 10
A / AAAA Records
- 213.178.84.56 ↩ 84-56.advantic.de
Mail Server IPs
- 80.153.182.122 ↩ p5099b67a.dip0.t-ipconnect.de
SOA Record
Raw SOA
ns1037.ui-dns.biz hostmaster.1und1.com 2017060151 28800 7200 604800 600
Primary NS (mname)
ns1037.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060151
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1059.ui-dns.de
ns1063.ui-dns.org
ns1120.ui-dns.com
ns1037.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 a ip4:80.153.182.122 include:_spf-eu.ionos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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
3 records- v=verifydomain MS=7508179
- SPFv=spf1 a ip4:80.153.182.122 include:_spf-eu.ionos.com -all
- MS=D5BC5DC34256B569BC27B65FA0826457FFD86D51
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