Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
frupo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:40:31 UTC · ↺ Refresh
MX Hostnames
- mail3.frupo.de
- mail.frupo.de
MX Priorities
- mail.frupo.de: 0
- mail3.frupo.de: 30
A / AAAA Records
- 185.243.134.213 ↩ r29758.agenturserver.it
Mail Server IPs
- 37.228.144.251 ↩ mail.frupo.de
- 87.191.196.83 ↩ owa.frupo.de
SOA Record
Raw SOA
ns3.nsentry.de hostmaster.frupo.de 2017013000 86400 7200 3600000 172800
Primary NS (mname)
ns3.nsentry.de
Admin Email (rname)
hostmaster@frupo.de
Serial
2017013000
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns3.nsentry.de
ns4.nsentry.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:87.139.79.61 ip4:87.191.196.83 ip4:80.154.214.74 ip4:91.50.38.110 ip4:37.228.144.251 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- SPFv=spf1 ip4:87.139.79.61 ip4:87.191.196.83 ip4:80.154.214.74 ip4:91.50.38.110 ip4:37.228.144.251 include:spf.protection.outlook.com -all
- _globalsign-domain-verification=DOUnDB7Gtbm9jDSXX9HinUGo4IO83GBHeWp6a7fprx
- MS=ms40295459
Full email verification for frupo.de
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