Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
asuc-sys.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 06:49:08 UTC · ↺ Refresh
MX Hostnames
- asucsys-de01b.mail.protection.outlook.com
MX Priorities
- asucsys-de01b.mail.protection.outlook.com: 0
A / AAAA Records
- 153.92.196.235 ↩ r17285.agenturserver.it
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1775004674 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1775004674
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.co
ns01.agenturserver.de
ns01.agenturserver.it
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:agenturserver.de include:mail.erpactive.de include:spf.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
3 records- zscaler-verification-252370-10222025-2djpLd8wOk
- SPFv=spf1 include:spf.protection.outlook.com include:agenturserver.de include:mail.erpactive.de include:spf.emailsignatures365.com -all
- apple-domain-verification=TnPk8gbkevjfrJA7
Full email verification for asuc-sys.de
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