Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
guterhirte-ulm.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 22:19:35 UTC · ↺ Refresh
MX Hostnames
- guterhirteulm-de02e.mail.protection.outlook.com
MX Priorities
- guterhirteulm-de02e.mail.protection.outlook.com: 10
A / AAAA Records
- 185.175.196.10 (no PTR)
- 2a00:1c98:60:1021::1a09:ca46 (no PTR)
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns47.domaincontrol.com dns.jomax.net 2026021500 28800 7200 604800 600
Primary NS (mname)
ns47.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns48.domaincontrol.com
ns47.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com exp=explain._spf.%{d} -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];sp=quarantine;pct=100;ri=86400;aspf=s;adkim=r;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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- SPFv=spf1 a mx include:spf.protection.outlook.com exp=explain._spf.%{d} -all
- google-site-verification=1RgaeV3GLn9uGrkctZfjrFoRZGKyAcWfpIR5NtbqLuY
- REDDCRYPT=653a7ff0552e68a040070e34
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