Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rtl.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 20:12:57 UTC · ↺ Refresh
MX Hostnames
- rtl-com.mail.protection.outlook.com
MX Priorities
- rtl-com.mail.protection.outlook.com: 0
A / AAAA Records
- 194.36.43.121 ↩ redirector.rtl.de
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns21.bce.lu domreg.bce.lu 2026032469 1200 3600 2419200 7200
Primary NS (mname)
ns21.bce.lu
Admin Email (rname)
domreg@bce.lu
Serial
2026032469
Refresh
1200s
Retry
3600s
Expire
2419200s
Minimum TTL
7200s
Nameservers (NS)
ns27.bce-lu.net
ns21.bce.lu
ns22.bce-lu.net
ns23.bce-lu.uk
ns25.bce.lu
ns26.bce.lu
SPF Record
✓ Strict (-all)
v=spf1 include:spf.bce.rtl.com include:spf.cologne.rtl.com include:spf.mailjet.com include:spf.protection.outlook.com include:spf.crsend.com include:eu.zeptomail.net include:spf.rtladalliance.rtl.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; 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: 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
21 records- d365mktkey=aQvVj0dQGOmWUCYMsumyY5cEcwRHxai61T4Pwyrivdcx
- autodesk-domain-verification=PCgGLx-HzhrbiKHXQ2Q9
- SPFv=spf1 include:spf.bce.rtl.com include:spf.cologne.rtl.com include:spf.mailjet.com include:spf.protection.outlook.com include:spf.crsend.com include:eu.zeptomail.net include:spf.rtladalliance.rtl.com -all
- apple-domain-verification=e1F45x3ynDy9FqHR
- airtable-verification=3def7214f7d4d771835f743142800e1f
- hcp-domain-verification=505a51f7cebdf67a7ed66b9e670560c81b9dcaba037b8168b98dd5565aa4f733
- adobe-idp-site-verification=3abfd0f4756f7cb55460cce24d9421f8f84145bac88587d453a19a3453b4e6f5
- _irje4f5l9vbvvwak2qc62rlpzof0afs
- MS=ms68644053
- perplexity-ai-domain-verification-p93cx9=2IwOqYZYNtzUTyJvu1VunzlT1
- google-site-verification=kMJHoJo3MxQmJObgXlxKHuR87n-o2T1NvVrqqK6WJys
- perplexity-ai-domain-verification-newqpx=Kb3RM7oWi6Xnat5yMmMvtWgeq
- docusign=4fb9c4f8-8945-483d-b727-5c350cd1b9c3
- cloudflare_dashboard_sso=83a45a6caa09cf775ad5dfdecd89e283
- box-domain-verification=2dbca2b05c60aed5c1a0208156dcf66a36c592136cc15e36582562ff78c25b3f
- docusign=ecf6fc32-d188-4b87-9aca-22a4958804c6
- atlassian-domain-verification=Kl3ByU1tsfV9fKiC7TDDZYz1uCeTeUo0SSEh5SitZ9q99Ua74O571fgiIg//j5Hn
- flexera-domain-verification-ymemkauicuyiarkb
- _xlity40adh8zkpdxbm4c3w29szzfdpj
- openai-domain-verification=dv-gvDbBdkuqiquuEN4pgXI7vHo
- _9c68ex995omt1m0cdflood21iogpsik
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