isbnyc.com

Valid Email Server
Domain Lookup › isbnyc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
isbnyc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 17:03:16 UTC · ↺ Refresh

MX Hostnames

  • ISBNYC-com.mail.protection.outlook.com

MX Priorities

  • isbnyc-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 69.167.136.189 ↩ host.prisvr6.com

Mail Server IPs

  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.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 ns2.prisvr6.com monitoring.prisvr6.com 2024050202 10800 3600 604800 10800
Primary NS (mname)
ns2.prisvr6.com
Admin Email (rname)
monitoring@prisvr6.com
Serial
2024050202
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns1.prisvr6.com
ns2.prisvr6.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a:dispatch-us.ppe-hosted.com include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:69.167.136.189/32 ip4:69.167.136.189/32 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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

6 records
  • MS=ms18549797
  • DMARCv=DMARC1; p=none; sp=none; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; ri=86400
  • ppe-263cefa44767334bdd3b157aa0290e4aed633954
  • google-site-verification=LV3a1RBOdgxqU7xNErFxyQLKiyx_EeYYwK1uazwVi_I
  • SPFv=spf1 a:dispatch-us.ppe-hosted.com include:_netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:69.167.136.189/32 ip4:69.167.136.189/32 ~all
  • 0ed1fe018ab348742630e34a48a498ffd87f9222a7
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