Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
apollo.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 01:26:41 UTC · ↺ Refresh
MX Hostnames
- apollo-de.mail.protection.outlook.com
MX Priorities
- apollo-de.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.29.89 (no PTR)
- 104.18.28.89 (no PTR)
- 2606:4700::6812:1d59
- 2606:4700::6812:1c59
Mail Server IPs
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
dave.ns.cloudflare.com dns.cloudflare.com 2399694082 10000 2400 604800 1800
Primary NS (mname)
dave.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399694082
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dave.ns.cloudflare.com
naomi.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf-009ef501.pphosted.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
10 records- facebook-domain-verification=o81swoozsz0brtwuc9g89hv2san68p
- google-site-verification=G9qr1BGgSOclfx0hxdmrKvfRQTWAYHzxMNYP6rHvVMw
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf-009ef501.pphosted.com include:spf.protection.outlook.com -all
- 850e279f0bdb4bdafc556b7f5b8d55b3d6d1ef3cc09d9b68fe8308cbf147d04
- MS=ms19965325
- MS=ms89541584
- Validity-Domain-Verification=8AhnbDmxWykjLeedbttr41qVkjnn=
- apple-domain-verification=Er8VyRRgNzlPJa41
- b8e4208fcd4ccbd2a1def47a3a020fa7e4097b410da0f70f5cbbbc0c2a798f1
- docusign=d912c36c-55a0-486b-97ab-25ec6ede0d1f
Full email verification for apollo.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits