Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 08:12:59 UTC · ↺ Refresh
MX Hostnames
- yer-de.mail.protection.outlook.com
MX Priorities
- yer-de.mail.protection.outlook.com: 10
A / AAAA Records
- 34.248.104.12 ↩ ec2-34-248-104-12.eu-west-1.compute.amazonaws.com
- 52.210.208.94 ↩ ec2-52-210-208-94.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024090383 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024090383
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.org
ns.udag.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.cluster0.4hr.de include:spf.brevo.com include:em7629.yer.de include:_spf.salesforce.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
4 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.cluster0.4hr.de include:spf.brevo.com include:em7629.yer.de include:_spf.salesforce.com -all
- google-site-verification=mrTYV6d8Z325Ln9mX9VizoE656MokEutHUETzDJY4hI
- knowbe4-site-verification=a172eadcb3bd97d8d5655b38ce27dc87
- brevo-code:ea698c4f371e06f578c26e04cfd69527
Full email verification for yer.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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