Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schleich-s.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 00:18:39 UTC · ↺ Refresh
MX Hostnames
- schleichs-de02b.c-v1.mx.microsoft
MX Priorities
- schleichs-de02b.c-v1.mx.microsoft: 10
A / AAAA Records
- 20.105.232.20 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.markmonitor.com hostmaster.markmonitor.com 2025051403 86400 3600 2592000 172800
Primary NS (mname)
ns1.markmonitor.com
Admin Email (rname)
hostmaster@markmonitor.com
Serial
2025051403
Refresh
86400s
Retry
3600s
Expire
2592000s
Minimum TTL
172800s
Nameservers (NS)
ns3.markmonitor.com
ns4.markmonitor.com
ns5.markmonitor.com
ns7.markmonitor.com
ns1.markmonitor.com
ns2.markmonitor.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com include:_spf.rexx-suite.com a:pdmailrelay02.zenit-presse.de a:mailgwout.zenit-x.de -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=1; pct=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 1% of failing messages only
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
3 records- MS=ms57218741
- +0Ylc7cAAK0SiYX0CWrpDxCrSW2sbBid2xAuwkkNJaL6WE40sTUsAf/Kf7AbVSh6b3LmAD1apw/yO1ZPHmb2pw==
- SPFv=spf1 mx include:spf.protection.outlook.com include:sendgrid.net include:mail.zendesk.com include:_spf.rexx-suite.com a:pdmailrelay02.zenit-presse.de a:mailgwout.zenit-x.de -all
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