Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guaxs.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 14:38:59 UTC · ↺ Refresh
MX Hostnames
- guaxs-de.mail.protection.outlook.com
MX Priorities
- guaxs-de.mail.protection.outlook.com: 10
A / AAAA Records
- 185.39.221.127 ↩ cloud3-vm219.de-nserver.de
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.de-nserver.de hostmaster.ns1.de-nserver.de 2025080477 14400 3600 604800 600
Primary NS (mname)
ns1.de-nserver.de
Admin Email (rname)
hostmaster@ns1.de-nserver.de
Serial
2025080477
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1.de-nserver.de
ns2.de-nserver.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:91.196.200.41 ip4:185.39.221.127 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;fo=1:d:s;adkim=s;aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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 ip4:91.196.200.41 ip4:185.39.221.127 -all
- MS=ms35111071
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