kastner.agency

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kastner.agency
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 09:51:23 UTC · ↺ Refresh

MX Hostnames

  • kastner-agency.mail.protection.outlook.com

MX Priorities

  • kastner-agency.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.150.1.1 (no PTR)

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA ns35.domaincontrol.com dns.jomax.net 2026020202 28800 7200 604800 600
Primary NS (mname)
ns35.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020202
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns35.domaincontrol.com
ns36.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:spf.exclaimer.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

6 records
  • apple-domain-verification=6YjvLxr3zrrbhHi3
  • notion-domain-verification=oA9twzXvZAg5C2FljHkYB3OjJLqAPV27VvaK1Si8w94
  • mailerlite-domain-verification=ba60a07e85c0f098748425456a86f36aab46dba4
  • SPFv=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:spf.exclaimer.net -all
  • MS=ms59273094
  • notion-domain-verification=geJN0BMXegq1Dw1kJE9oNgUzVW7ZYtdBSJOCiHKDQJg
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