Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
erlanger-treuhand.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:23:21 UTC · ↺ Refresh
MX Hostnames
- erlangertreuhand-de02b.mail.protection.outlook.com
MX Priorities
- erlangertreuhand-de02b.mail.protection.outlook.com: 0
A / AAAA Records
- 78.47.199.87 ↩ www327.your-server.de
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.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
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2025062300 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2025062300
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 include:maildomain._spf.datev.de include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com ip4:193.27.49.8 ip4:193.27.49.9 ip4:193.27.49.180 ip6:2a00:e50:f155:7::b4 ip4:193.27.49.181 ip6:2a00:e50:f155:7::b5 ip4:193.27.49.169 ip6:2a00:e50:f155:7::a9 ip4:91.190.200.3 ip4:91.190.200.4 ip4:78.47.199.87 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 include:maildomain._spf.datev.de include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com ip4:193.27.49.8 ip4:193.27.49.9 ip4:193.27.49.180 ip6:2a00:e50:f155:7::b4 ip4:193.27.49.181 ip6:2a00:e50:f155:7::b5 ip4:193.27.49.169 ip6:2a00:e50:f155:7::a9 ip4:91.190.200.3 ip4:91.190.200.4 ip4:78.47.199.87 -all
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