Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sla.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 18:39:50 UTC · ↺ Refresh
MX Hostnames
- sla-de.mail.protection.outlook.com
MX Priorities
- sla-de.mail.protection.outlook.com: 10
A / AAAA Records
- 46.4.9.207 ↩ sla.de
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2025121000 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2025121000
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.7.54.155 ip4:83.64.251.2 ip4:85.214.242.139 ip4:46.4.9.207 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.crsend.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 ip4:217.7.54.155 ip4:83.64.251.2 ip4:85.214.242.139 ip4:46.4.9.207 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.crsend.com -all
- google-site-verification=opiBob8-EF5XPp8i8ikxiC_EVNBzCuA4ujb1YsPgWAo
Full email verification for sla.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits