Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ulrich-forster.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 09:48:43 UTC · ↺ Refresh
MX Hostnames
- ulrichforster-de01e.mail.protection.outlook.com
MX Priorities
- ulrichforster-de01e.mail.protection.outlook.com: 0
A / AAAA Records
- 152.53.237.198 ↩ nginx07.nue.ballensiefen.host
- 2a0a:4cc0:c0:6845:d4a1:bcff:fef8:8122 ↩ nginx07.nue.ballensiefen.host
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.ballensiefen.net hostmaster.ballensiefen.net 2026022201 3600 540 604800 60
Primary NS (mname)
ns0.ballensiefen.net
Admin Email (rname)
hostmaster@ballensiefen.net
Serial
2026022201
Refresh
3600s
Retry
540s
Expire
604800s
Minimum TTL
60s
Nameservers (NS)
ns4.ballensiefen.net
ns2.ballensiefen.net
ns3.ballensiefen.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:ispgateway.de include:spf.brevo.com include:_spf.ballensiefen.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ 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- SPFv=spf1 include:spf.protection.outlook.com include:ispgateway.de include:spf.brevo.com include:_spf.ballensiefen.net -all
- MS=ms67499703
- brevo-code:78d3a4041fbc995ded92dd38b8b5bf25
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