Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bottrop.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 05:41:03 UTC · ↺ Refresh
MX Hostnames
- mail-in.as-scan.de
- mx2.as-scan.de
- gate.bottrop.de
MX Priorities
- gate.bottrop.de: 40
- mail-in.as-scan.de: 20
- mx2.as-scan.de: 30
A / AAAA Records
- 217.70.160.234 ↩ gate.bottrop.de
Mail Server IPs
- 217.70.160.234 ↩ gate.bottrop.de
- 194.77.237.42 ↩ m18050688.krzn.de
- 194.77.253.21 ↩ filter6.as-scan.de
SOA Record
Raw SOA
a.dns-gelsen.net hostmaster.dns-tool.gelsen.net 2026021716 3600 1800 1209600 600
Primary NS (mname)
a.dns-gelsen.net
Admin Email (rname)
hostmaster@dns-tool.gelsen.net
Serial
2026021716
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
b.dns-gelsen.net
a.dns-gelsen.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.70.160.234 ip4:194.77.252.0/24 ip4:194.77.253.0/24 ip4:194.77.250.0/24 ip4:194.77.237.0/24 ip4:217.113.45.225 ip6:2a02:ea2:c101:1::25:200 -all
📊 DNS lookups: 0/10
✓ 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
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:217.70.160.234 ip4:194.77.252.0/24 ip4:194.77.253.0/24 ip4:194.77.250.0/24 ip4:194.77.237.0/24 ip4:217.113.45.225 ip6:2a02:ea2:c101:1::25:200 -all
- MS=ms93104873
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