Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hpu.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 09:28:35 UTC · ↺ Refresh
MX Hostnames
- hpu-de.mail.protection.outlook.com
- mxlb.ispgateway.de
MX Priorities
- mxlb.ispgateway.de: 100
- hpu-de.mail.protection.outlook.com: 0
A / AAAA Records
- 92.205.53.59 ↩ sh23093.ispgateway.de
- 2a00:1169:103:2f40::
Mail Server IPs
- 80.67.18.126 ↩ mxlb.ispgateway.de
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026031005 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031005
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns82.domaincontrol.com
ns81.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a:smtp.office365.com a:k50629.coveto.de a:k27803.coveto.de a:k58400.coveto.de include:spf.protection.outlook.com include:spf.crsend.com include:27103383.spf07.hubspotemail.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a:smtp.office365.com a:k50629.coveto.de a:k27803.coveto.de a:k58400.coveto.de include:spf.protection.outlook.com include:spf.crsend.com include:27103383.spf07.hubspotemail.net -all
- apple-domain-verification=20ZYT9erdHmtK5oJ
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