Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
feri.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 10:53:22 UTC · ↺ Refresh
MX Hostnames
- feri-de.mail.protection.outlook.com
MX Priorities
- feri-de.mail.protection.outlook.com: 0
A / AAAA Records
- 51.116.145.36 (no PTR)
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.lon.auth.colt.net dns-requests.colt.net 2025102202 43200 7200 1209600 86400
Primary NS (mname)
ns0.lon.auth.colt.net
Admin Email (rname)
dns-requests@colt.net
Serial
2025102202
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.fra.auth.colt.net
ns0.lon.auth.colt.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spfa.myconvento.com ip4:217.110.32.128/25 ip4:89.246.175.32/27 ip4:20.52.205.110 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
11 records- google-site-verification=nV9lr8BI7t9PxPX0B6aYii_IrJ4OC-UB5jVPidDotF8
- atlassian-domain-verification=FiqeXb3l3YLQbQbcKJkRXALJRfVhNLlFKgLomgVbn6aLeNykhCxMr/XEE3AY9Oc4
- klbPAHqtzx7GA85pl1xth0KUjbFSUQ23
- MS=ms67776795
- SPFv=spf1 include:spf.mailjet.com include:spfa.myconvento.com ip4:217.110.32.128/25 ip4:89.246.175.32/27 ip4:20.52.205.110 include:spf.protection.outlook.com -all
- 16a24rb28vk075ko7kbl8cptfi
- 1pgd3qr7f9pf4l8uuggukeo3nr
- apple-domain-verification=lw00aaHQbQgBssMI
- d365mktkey=3d6wos7bt0du3rmo604vmxpin
- d365mktkey=7CIkqSNtXHsSii2CwTGdUTG6RFwZk7NUaEq9AKxjyY0x
- dbymqhb7lcg11x91rdyvx7yz0f4vnj0b
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