Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstbite.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 19:27:02 UTC · ↺ Refresh
MX Hostnames
- firstbite-de.mail.protection.outlook.com
MX Priorities
- firstbite-de.mail.protection.outlook.com: 0
A / AAAA Records
- 92.205.64.53 ↩ sh11748.ispgateway.de
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.inwx.de hostmaster.inwx.de 2026031802 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2026031802
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.inwx.eu
ns.inwx.de
ns2.inwx.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:217.86.147.67 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!1m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!1m
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- google-site-verification=ZKE-VCOxsPZok--R3le_gJINi55FSr67auVJ7BtWoJQ
- apple-domain-verification=Z3UJZl4a3SWDd2dm
- bqn931f6ogcjfh2ntssts3pne3
- MS=ms66458925
- MS=EFBE11BAB3772D0972E115CB5B9E50408D00EEDC
- SPFv=spf1 include:spf.protection.outlook.com ip4:217.86.147.67 -all
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