Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
studyflix.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 05:35:48 UTC · ↺ Refresh
MX Hostnames
- studyflix-de.mail.protection.outlook.com
MX Priorities
- studyflix-de.mail.protection.outlook.com: 10
A / AAAA Records
- 213.155.86.146 ↩ studyflix.de
- 2001:780:205::213:155:86:146 ↩ hosted-by.makandra.de
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
dns009.arvato-systems.de hostmaster.bnic.bertelsmann.de 2026032600 3600 1800 3600000 3600
Primary NS (mname)
dns009.arvato-systems.de
Admin Email (rname)
hostmaster@bnic.bertelsmann.de
Serial
2026032600
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns2.arvato-systems.de
ns1.arvato-systems.de
dns009.arvato-systems.de
dns017.arvato-systems.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.makandra.de include:spf.sendinblue.com include:spf.protection.outlook.com include:spf.servicemail24.de include:servers.mcsv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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
4 records- google-site-verification=5Pc6j1HqD7pL_drcAEATB-pp_MQxs30BYBszk5wd180
- SPFv=spf1 include:_spf.makandra.de include:spf.sendinblue.com include:spf.protection.outlook.com include:spf.servicemail24.de include:servers.mcsv.net -all
- MS=ms58886809
- google-site-verification=gtkMbTRXa-dmR6AZq78Jeo2qzBKkE4__ZaECD-tG4o0
Full email verification for studyflix.de
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