Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heringer-consulting.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 22:46:50 UTC · ↺ Refresh
MX Hostnames
- heringerconsulting-de02b.mail.protection.outlook.com
MX Priorities
- heringerconsulting-de02b.mail.protection.outlook.com: 10
A / AAAA Records
- 92.205.171.241 ↩ 241.171.205.92.host.secureserver.net
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1055.ui-dns.de hostmaster.1und1.de 2017072640 28800 7200 604800 300
Primary NS (mname)
ns1055.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017072640
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1055.ui-dns.org
ns1055.ui-dns.de
ns1055.ui-dns.com
ns1055.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
11 records- swisssign-check=F7VMBCojZoaPOOK8d_k6Sf5pCYA
- SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
- MS=1C4F997703197FAA35045C3E005A308697A2E532
- DKIMv=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0wWieqt/XMaesLxEI7stuTV2OxnBTKuzOdKvisd/v125Jp4ODEwkh/fqnLRDyL/TYguBdT+EmXhZqtwLGttR4BtHbhqI65nJKh85FhEaHf8Mr6m/gO8XkItWrRzBner1yxChUzHrHLLR50//A86oh3sg9GxWGbaRFYy9tXlud8tpmbmnoEEf2RxEUov3aapnlme20VmRUaoYyIw8tGsS8am9I0Rm6LsNkP8rT+K7x7EcmDbpKteQ+YzFn5DR5Bm70CoAYdeK0JnS/giEY9PkL8bPr9aFHDLJr/hxyGkamqfM+sj/NzplCxxqSm8oi+aIypEGe21ydRGzw0kxSD52VQIDAQAB
- atlassian-domain-verification=tbUU93eEGAn9WceBWG5z3NjRcWgBbtciVWj5QB1gpjFe7Jg9LhrB/Kpf/uahR6gS
- apple-domain-verification=FBdl6UNAgAoY2jVS
- anthropic-domain-verification-f3ydw7=6uiWaMP4SD8Q1cS8ecZVjdRYx
- google-site-verification=LdcV3u6jpIg--vnrRmqcwhN1Ww9ikcT1YpN0S633VdU
- cursor-domain-verification-k15513=eCOWmJMGRdZ8kUSmRHCxpyQpt
- linkedin-site-verification=e8dd5f67-0168-4620-a1c7-4f3a21116972
- MS=ms40004461
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