sereni.de

Valid Email Server
Domain Lookup › sereni.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sereni.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 06:34:21 UTC · ↺ Refresh

MX Hostnames

  • sereni-de.mail.protection.outlook.com

MX Priorities

  • sereni-de.mail.protection.outlook.com: 1

A / AAAA Records

  • 20.105.216.45 (no PTR)

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns.bnamed.eu hostmaster.bnamed.eu 2026022500 7200 3600 1209600 901
Primary NS (mname)
ns.bnamed.eu
Admin Email (rname)
hostmaster@bnamed.eu
Serial
2026022500
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
901s

Nameservers (NS)

ns.bnamed.us
ns.bnamed.eu
ns.nscluster.pm
ns.nscluster.wf
ns.bnamed.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

10 records
  • google-site-verification=pHJyFWllEklp2bA9nlNP08fB3cqRtr1R1iAk_-XMrSQ
  • n0a8uor0pdpogh57p93ukdkeom
  • MS=ms40117876
  • MS=5D3E60428A3BD9465538D18FFB67919FF461E6CA
  • domain-verification:1e1ed04b1efc1448c7f0eec941f19a9abcbe989e
  • _x1aiye57alyfsklaj8eiowt95fumw9p
  • asv=acdd40e5945982fe3f00aafe48586f84
  • asv=b37d48efaacbf5d091b4f57cf59c058d
  • google-site-verification=gk5gm6MrBTvJuytuTOvUSZX63NQudX9JE6yzR-eg-gc
  • SPFv=spf1 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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