Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stulo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 15:04:00 UTC · ↺ Refresh
MX Hostnames
- mgw01.cpx-it.de
MX Priorities
- mgw01.cpx-it.de: 10
A / AAAA Records
- 217.160.0.223 ↩ 217-160-0-223.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 89.63.22.121 ↩ mgw01.cpx-it.de
SOA Record
Raw SOA
ns1051.ui-dns.org hostmaster.schlund.de 2017030923 28800 7200 604800 300
Primary NS (mname)
ns1051.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2017030923
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1051.ui-dns.biz
ns1051.ui-dns.com
ns1051.ui-dns.org
ns1051.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- MS=ms72893397
- SPFv=spf1 a mx include:spf.protection.outlook.com -all
Full email verification for stulo.de
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