Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stel.com.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 14:27:07 UTC · ↺ Refresh
MX Hostnames
- stel-com-de.mail.protection.outlook.com
MX Priorities
- stel-com-de.mail.protection.outlook.com: 0
A / AAAA Records
- 178.208.113.54 ↩ smcls004.nphosting.de
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns2.linxisp.net suporte.linxisp.com 2026020201 3600 1800 1209600 86400
Primary NS (mname)
ns2.linxisp.net
Admin Email (rname)
suporte@linxisp.com
Serial
2026020201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.linxisp.net
ns4.linxisp.net
ns1.linxisp.net
ns2.linxisp.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:94.46.135.167 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- autodesk-domain-verification=bjm69kK_xq7Qzw5UOZ8h
- Foxit-domain-verification=c5a4ca9f2732238f9ef2420edfe9ffb4
- google-site-verification=RgKYpwP_i7bin5pgm2nm6ehzWcCoRLvoueAm-ffOC0M
- SPFv=spf1 +a +mx +ip4:94.46.135.167 include:spf.protection.outlook.com -all
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