Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sontec.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 23:27:15 UTC · ↺ Refresh
MX Hostnames
- sontec-de.mx2.arsmtp.com
- sontec-de.mx1.arsmtp.com
MX Priorities
- sontec-de.mx2.arsmtp.com: 20
- sontec-de.mx1.arsmtp.com: 10
A / AAAA Records
- 138.201.138.230 ↩ static.230.138.201.138.clients.your-server.de
Mail Server IPs
- 5.152.188.55 ↩ server431.appriver.com
- 5.152.185.146 ↩ server430.appriver.com
SOA Record
Raw SOA
ns1031.ui-dns.com hostmaster.1und1.de 2016120121 28800 7200 604800 300
Primary NS (mname)
ns1031.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016120121
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1031.ui-dns.biz
ns1031.ui-dns.de
ns1031.ui-dns.org
ns1031.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf.kundenserver.de include:edgepilot.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 mx include:_spf.kundenserver.de include:edgepilot.com include:spf.protection.outlook.com -all
- MS=AFC5E7E66496065C07017DA3689B7A06E3E241C1
- 202205241801230w0plits81qtvc9jhldvdf3tleufrb80jo8x0xfy8tx5tschbf
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