jass.biz

Valid Email Server
Domain Lookup › jass.biz

Domain Overview

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

Checked via [email protected] · 2026-03-18 10:38:06 UTC · ↺ Refresh

MX Hostnames

  • jass-biz.mail.protection.outlook.com

MX Priorities

  • jass-biz.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.34.228.77 ↩ pages-custom-29.weebly.com

Mail Server IPs

  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA pv-dnsm.dns.tds.net hostmaster.tds.net 2021111201 10800 3600 604800 43200
Primary NS (mname)
pv-dnsm.dns.tds.net
Admin Email (rname)
hostmaster@tds.net
Serial
2021111201
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

e.dns.tds.net
d.dns.tds.net
c.dns.tds.net
ns.tds.net
b.dns.tds.net
a.dns.tds.net
f.dns.tds.net

SPF Record

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms53623472
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