Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
apppex.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 04:52:43 UTC · ↺ Refresh
MX Hostnames
- mail.x-dot.de
MX Priorities
- mail.x-dot.de: 10
A / AAAA Records
- 159.255.168.37 ↩ tyr.xdot.de
Mail Server IPs
- 159.255.170.77 ↩ baldur.x-dot.de
SOA Record
Raw SOA
ns1.x-dot.de postmaster.apppex.com 2019051001 10800 3600 1209600 86400
Primary NS (mname)
ns1.x-dot.de
Admin Email (rname)
postmaster@apppex.com
Serial
2019051001
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.x-dot.de
ns3.xdot.de
ns1.x-dot.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:159.255.168.0/23 ip4:159.255.170.0/25 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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 ip4:159.255.168.0/23 ip4:159.255.170.0/25 -all
- _xskpwguazeefowqf284ekp28594p77a
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