Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
amt-b-f.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 12:25:41 UTC · ↺ Refresh
MX Hostnames
- amtbf-de0ic.mail.protection.outlook.com
MX Priorities
- amtbf-de0ic.mail.protection.outlook.com: 10
A / AAAA Records
- 2a01:4f8:fff3:7b::3 ↩ hoover-ssl.servers.verwaltungsportal.de
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.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
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
shades13.rzone.de hostmaster.strato-rz.de 2020050983 86400 7200 604800 300
Primary NS (mname)
shades13.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050983
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades13.rzone.de
docks02.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.92.207.61 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; aspf=r; adkim=r; fo=1; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
1 record- SPFv=spf1 ip4:217.92.207.61 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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