Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
v-r-b.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 17:54:58 UTC · ↺ Refresh
MX Hostnames
- vrb-de0k.mail.protection.outlook.com
MX Priorities
- vrb-de0k.mail.protection.outlook.com: 1
A / AAAA Records
- 92.205.224.225 ↩ 225.224.205.92.host.secureserver.net
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.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::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
agreement-webserver.agreement-berlin.de braun.agreement-berlin.de 2026020601 10800 3600 604800 10800
Primary NS (mname)
agreement-webserver.agreement-berlin.de
Admin Email (rname)
braun@agreement-berlin.de
Serial
2026020601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
pdns02.domaincontrol.com
agreement-webserver.agreement-berlin.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:secureserver.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 30 chars (valid)
⚠ Public key too short (30 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:secureserver.net -all
- MS=ms55774862
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