Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gymnasium-hochdahl.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 01:00:50 UTC · ↺ Refresh
MX Hostnames
- gymnasiumhochdahl-de02c.mail.protection.outlook.com
MX Priorities
- gymnasiumhochdahl-de02c.mail.protection.outlook.com: 50
A / AAAA Records
- 5.175.14.149 ↩ wp627.webpack.hosteurope.de
- 2a01:488:42:1000:50ed:8295:d:66e9 (no PTR)
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns31.domaincontrol.com dns.jomax.net 2026012911 28800 7200 604800 600
Primary NS (mname)
ns31.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012911
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns32.domaincontrol.com
ns31.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.server-he.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.server-he.de -all
- MS=22A7478098C5D5D0E921E465BE96B54DEECAE5F8
- apple-domain-verification=yauqb1ggPgMuyCxL
- google-site-verification=ekeHZjgbt5UMrShTVOooJHTzh9RU9MmjG_28nwBT19o
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