Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
held-tech.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 05:56:31 UTC · ↺ Refresh
MX Hostnames
- heldtech-de01b.mail.protection.outlook.com
MX Priorities
- heldtech-de01b.mail.protection.outlook.com: 0
A / AAAA Records
- 95.169.182.254 ↩ ns1.smartkomp12.de
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 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
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.smartkomp12.de server.aaahosting.de 2026031801 3600 1800 1209600 86400
Primary NS (mname)
ns1.smartkomp12.de
Admin Email (rname)
server@aaahosting.de
Serial
2026031801
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.smartkomp12.de
ns1.smartkomp12.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:95.169.182.254 mx a include:spf.protection.outlook.com include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- SPFv=spf1 ip4:95.169.182.254 mx a include:spf.protection.outlook.com include:spf.crsend.com -all
- apple-domain-verification=Ws6f0iyNhMhRtM8g
- google-site-verification=C_R0Q7XQnWWVL9Ur6BficpNr4wYXul4-9sDP8hBNYPY
- MS=00BF3BB61F25F45C5A31E3297C8DE8AA28A24953
Full email verification for held-tech.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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