studio28.online

Valid Email Server
Domain Lookup › studio28.online

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
studio28.online
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 01:42:22 UTC · ↺ Refresh

MX Hostnames

  • studio28-online.mail.protection.outlook.com

MX Priorities

  • studio28-online.mail.protection.outlook.com: 20

A / AAAA Records

  • 23.88.45.165 ↩ static.165.45.88.23.clients.your-server.de
  • 2a01:4f8:c013:446b:: (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA shades20.rzone.de hostmaster.strato-rz.de 2024083239 86400 7200 604800 300
Primary NS (mname)
shades20.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2024083239
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

shades20.rzone.de
docks14.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=dmarc1; p=none; rua=mailto:[email protected].
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected].

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

7 records
  • google-site-verification=_xikk9VUMAneS36Ns7FEZmSHiOYIsr7pb7Kq4E0t_z8
  • 202411281700280h1024t5k8bejt63iohfa04b970qefyy7fxymwznyp13kpbzcw
  • google-site-verification=iLox8Cjx-6R9eNtmsKxuq3i53ZD_YM9Du4kL_CTCfx8
  • brevo-code:aadbca877e0793655f02f9fd16849474
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms58742922
  • google-site-verification=huMXk8RA-ykHgSEhZv00W_cF48ldE8O5fyawcCy85Es
Full email verification for studio28.online

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