Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gerolstein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 20:07:28 UTC · ↺ Refresh
MX Hostnames
- smtp.gerolstein.de
MX Priorities
- smtp.gerolstein.de: 20
A / AAAA Records
- 176.95.169.106 ↩ business-176-095-169-106.static.arcor-ip.net
- 176.95.169.105 ↩ business-176-095-169-105.static.arcor-ip.net
- 217.92.44.105 ↩ pd95c2c69.dip0.t-ipconnect.de
- 93.186.10.140 ↩ 140-010-186-093.static.vsenet.de
Mail Server IPs
- 93.186.8.172 ↩ smtp.gerolstein.de
SOA Record
Raw SOA
cns1.alfahosting.info hostmaster\@alfahosting.de 2026030275 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster\@alfahosting@de
Serial
2026030275
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
cns2.alfahosting.info
cns3.alfahosting.info
cns1.alfahosting.info
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:93.186.8.172 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
3 records- SPFv=spf1 mx ip4:93.186.8.172 include:spf.protection.outlook.com -all
- apple-domain-verification=TsRHTOzf33NczEuv
- go5hcfpvb2rb4vs89utd7ucnfo
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