Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gesterkamp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 23:45:36 UTC · ↺ Refresh
MX Hostnames
- mx2fcf.netcup.net
- mail.gesterkamp.com
- gesterkamp-com.mail.protection.outlook.com
MX Priorities
- mail.gesterkamp.com: 10
- mx2fcf.netcup.net: 50
- gesterkamp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 188.68.47.205
- 2a03:4000:61:11b4::17:1381
Mail Server IPs
- 188.68.47.207 ↩ mx2fcf.netcup.net
- 2a03:4000::349:383a:5eff:fe18:2ae6 ↩ mx2fcf.netcup.net
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2024101444 28800 7200 1209600 86400
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2024101444
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
second-dns.netcup.net
root-dns.netcup.net
third-dns.netcup.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:_spf.webhosting.systems ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 mx a include:_spf.webhosting.systems ~all
- SPFv=spf1 include:spf.protection.outlook.com
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