Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
h4a-architekten.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:15:38 UTC · ↺ Refresh
MX Hostnames
- h4aarchitekten-de0i.mail.protection.outlook.com
MX Priorities
- h4aarchitekten-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.138 ↩ 217-160-0-138.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1080.ui-dns.org hostmaster.1und1.de 2017041270 28800 7200 604800 300
Primary NS (mname)
ns1080.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017041270
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1080.ui-dns.com
ns1080.ui-dns.biz
ns1080.ui-dns.de
ns1080.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:spfhard.crsend.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 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
2 records- rhino_accounts=1944f07f0f3928a4accbb1e8ed01029a
- SPFv=spf1 mx include:spf.protection.outlook.com include:spfhard.crsend.com -all
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