Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
proruhr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:02:55 UTC · ↺ Refresh
MX Hostnames
- localimmobilien-de01c.mail.protection.outlook.com
- mx30.antispam.mailspamprotection.com
- mx20.antispam.mailspamprotection.com
- mx10.antispam.mailspamprotection.com
MX Priorities
- mx20.antispam.mailspamprotection.com: 20
- mx30.antispam.mailspamprotection.com: 30
- localimmobilien-de01c.mail.protection.outlook.com: 0
- mx10.antispam.mailspamprotection.com: 10
A / AAAA Records
- 35.207.98.7
Mail Server IPs
- 34.120.156.61 ↩ 61.156.120.34.bc.googleusercontent.com
- 34.111.121.216 ↩ 216.121.111.34.bc.googleusercontent.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 34.149.79.66
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 110 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
110
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:proruhr.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:proruhr.com.spf.auto.dnssmarthost.net -all
- MS=ms30080572
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