ontavio.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-02 12:41:40 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • ontavio-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 78.46.0.255 ↩ www215.your-server.de

Mail Server IPs

  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA nsa5.schlundtech.de technik.ontavio.de 2025091909 43200 7200 1209600 86400
Primary NS (mname)
nsa5.schlundtech.de
Admin Email (rname)
technik@ontavio.de
Serial
2025091909
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

nsa5.schlundtech.de
nsc5.schlundtech.de
nsb5.schlundtech.de
nsd5.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:144.76.41.134 ip4:162.55.3.118 ip4:138.201.23.89 ip4:138.201.23.92 ip4:116.202.242.157 ip4:138.197.14.52 ip4:80.147.63.240 ip4:161.35.132.150 ip4:116.203.193.56 include:spf.protection.outlook.com include:dedi6953.your-server.de include:145517298.spf08.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=50;adkim=r;aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only

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

4 records
  • SPFv=spf1 ip4:144.76.41.134 ip4:162.55.3.118 ip4:138.201.23.89 ip4:138.201.23.92 ip4:116.202.242.157 ip4:138.197.14.52 ip4:80.147.63.240 ip4:161.35.132.150 ip4:116.203.193.56 include:spf.protection.outlook.com include:dedi6953.your-server.de include:145517298.spf08.hubspotemail.net -all
  • google-site-verification=yw1auejKrr_ujGxlxdL91iRl66QUhmgpzZ28XhXGuWY
  • atlassian-domain-verification=KWecLZx6ylbjkyDzuRhlFrvKYcb9h9O5l5nFSQtXZ9AXv3DIJgL/jD89jIblbxDQ
  • MS=ms63142211
Full email verification for ontavio.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits