Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stadtwerke-karlsruhe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 15:21:24 UTC · ↺ Refresh
MX Hostnames
- mailin2.stadtwerke-karlsruhe.de
MX Priorities
- mailin2.stadtwerke-karlsruhe.de: 10
A / AAAA Records
- 213.144.24.25 ↩ s25.stadtwerke-karlsruhe.de
Mail Server IPs
- 213.144.24.54 ↩ mailin2.stadtwerke-karlsruhe.de
SOA Record
Raw SOA
ns1.stadtwerke-karlsruhe.de hostmaster.stadtwerke-karlsruhe.de 2026031301 10800 1900 86400 7200
Primary NS (mname)
ns1.stadtwerke-karlsruhe.de
Admin Email (rname)
hostmaster@stadtwerke-karlsruhe.de
Serial
2026031301
Refresh
10800s
Retry
1900s
Expire
86400s
Minimum TTL
7200s
Nameservers (NS)
ns2.turbomaxx.net
ns1.stadtwerke-karlsruhe.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.stadtwerke-karlsruhe.de include:spf.protection.outlook.com ip4:52.59.39.187 ip4:52.59.36.111 ip4:52.59.4.117 ip4:35.156.155.92 ip4:35.156.109.86 ip4:217.110.181.45 ip4:62.206.1.194 ip4:62.206.2.194 ip4:212.42.245.128/27 ip6:2001:bf0:213:0:0:0:0:0/48 include:spf.mailjet.com include:spf.strold.io a:otc-de-spf.mms.t-systems-service.com include:spf.de.umantis.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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
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
3 records- j+4zV+4BWHUgJJ6tuhUCkNJ/weo6s46gubs6/QdtHD0=
- SPFv=spf1 include:spf.stadtwerke-karlsruhe.de include:spf.protection.outlook.com ip4:52.59.39.187 ip4:52.59.36.111 ip4:52.59.4.117 ip4:35.156.155.92 ip4:35.156.109.86 ip4:217.110.181.45 ip4:62.206.1.194 ip4:62.206.2.194 ip4:212.42.245.128/27 ip6:2001:bf0:213:0:0:0:0:0/48 include:spf.mailjet.com include:spf.strold.io a:otc-de-spf.mms.t-systems-service.com include:spf.de.umantis.com -all
- atlassian-domain-verification=vuuBQP8dsfwI3h3zpwULe9YgnjBEDTc/C9czwcDpEYLqlZHDAat8AOyNKSLEdVFs
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