osquare.de

Valid Email Server
Domain Lookup › osquare.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
osquare.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 14:37:41 UTC · ↺ Refresh

MX Hostnames

  • osquare-de.mail.protection.outlook.com
  • mail.osquare.de
  • backup-mx.sasg.de

MX Priorities

  • mail.osquare.de: 10
  • backup-mx.sasg.de: 20
  • osquare-de.mail.protection.outlook.com: 5

A / AAAA Records

  • 95.142.78.41
  • ::ffff:5f8e:4e29

Mail Server IPs

  • 185.74.224.116 ↩ backup-mx.sasg.de
  • 2a00:1100:700:2::116 ↩ backup-mx.sasg.de
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.sasg.de hostmaster.sasg.net 2021112701 10800 3600 604800 86400
Primary NS (mname)
ns1.sasg.de
Admin Email (rname)
hostmaster@sasg.net
Serial
2021112701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.sasg.de
ns2.sasg.de
ns1.sasg.eu

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com ip4:86.110.75.0/24 ip4:95.142.78.0/24 ip4:46.254.142.0/24 -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

✗ 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

4 records
  • google-site-verification=NQxkgCfDXG6lOgoojbhh3LBPGwzW8dEt-3_R107Jpoo
  • MS=ms76595487
  • b95/oBa1lJFzJZnyM9GBYyzTOrkLbe5do+amouMrTS15amcATyfZ5SXFmQ5hwa6qjZkWw7p+a3AKTbFcaNrkew==
  • SPFv=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com ip4:86.110.75.0/24 ip4:95.142.78.0/24 ip4:46.254.142.0/24 -all
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