Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schott.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 11:08:30 UTC · ↺ Refresh
MX Hostnames
- schott-de.mail.protection.outlook.com
MX Priorities
- schott-de.mail.protection.outlook.com: 0
A / AAAA Records
- 5.22.145.121 ↩ relay.mail-forwarder.io
- 5.22.145.16 ↩ relay.mail-forwarder.io
- 2a00:18e0:5:3:dfe2:c743:85aa:61bc ↩ relay.mail-forwarder.io
- 2a00:18e0:5:2:7577:4e4d:413b:f507 ↩ relay.mail-forwarder.io
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.brandshelter.com tech.brandshelter.com 2025062400 10800 3600 604800 300
Primary NS (mname)
ns01.brandshelter.com
Admin Email (rname)
tech@brandshelter.com
Serial
2025062400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns02.brandshelter.net
ns01.brandshelter.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; aspf=s; adkim=s; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected], mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected], mailto:[email protected]
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- SPFv=spf1 include:spf.protection.outlook.com ~all
- MS=ms16104488
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