Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
reutlingen.ihk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:42:06 UTC · ↺ Refresh
MX Hostnames
- mx01.ihk.de
- mx02.ihk.de
- mx04.ihk.de
MX Priorities
- mx04.ihk.de: 10
- mx01.ihk.de: 10
- mx02.ihk.de: 10
A / AAAA Records
- 178.63.30.27 ↩ k14x23.meinserver.io
Mail Server IPs
- 141.88.192.24 ↩ mx04.ihk.de
- 141.88.192.212 ↩ mx01.ihk.de
- 141.88.192.222 ↩ mx02.ihk.de
SOA Record
Raw SOA
dns01.ihkrt.de root.dns01.ihkrt.de 2026020402 86400 7200 604800 3600
Primary NS (mname)
dns01.ihkrt.de
Admin Email (rname)
root@dns01.ihkrt.de
Serial
2026020402
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns02.ihkrt.de
dns01.ihkrt.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ihk.de include:spf.mailjet.com include:spf.sendinblue.com include:spf.protection.outlook.com ip4:193.169.94.0/23 a mx ip4:212.90.151.74 ip4:213.172.107.171 ip4:138.201.75.198 ip4:212.71.198.148 ip4:91.213.27.241 ip4:178.63.30.27 ip4:141.88.193.193 ip4:141.88.193.194 ip4:141.88.193.195 ip4:193.169.94.251 include:verlingo.de -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.ihk.de include:spf.mailjet.com include:spf.sendinblue.com include:spf.protection.outlook.com ip4:193.169.94.0/23 a mx ip4:212.90.151.74 ip4:213.172.107.171 ip4:138.201.75.198 ip4:212.71.198.148 ip4:91.213.27.241 ip4:178.63.30.27 ip4:141.88.193.193 ip4:141.88.193.194 ip4:141.88.193.195 ip4:193.169.94.251 include:verlingo.de -all
- Sendinblue-code:c3809af9656fede96f6bdd68ef619b24
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