Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
elsta-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:51:44 UTC · ↺ Refresh
MX Hostnames
- elstagmbh-de01c.mail.protection.outlook.com
MX Priorities
- elstagmbh-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 20.105.216.42 (no PTR)
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026032300 14400 1800 604800 300
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026032300
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com include:mail.m2-personal.de ip4:2.207.239.123 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; pct=100; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ 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
dkim._domainkey
✓ Public key: 392 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
6 records- oJ5sxUkETVcvio0c4L1D0UZyKEVMdPJIT26vBMwMw3Og35VASfctu/REbVh1vbZksEwVoFcoJFyDuqltAp8Ncg==
- SPFv=spf1 mx a include:spf.protection.outlook.com include:mail.m2-personal.de ip4:2.207.239.123 -all
- 9hdhg00obvfrgd5rdt9hol1jdp
- google-site-verification=rgJwtaOivEY5b1dsE1gWKDW-c4a8tZf7uk5t_DT0H1s
- google-site-verification=rn64oXMgOeC_aJspv1xsm6CWoObalITFO4etwV88VmY
- MS=ms37699150
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