reboundmd.com

Valid Email Server
Domain Lookup › reboundmd.com

Domain Overview

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

Checked via [email protected] · 2026-03-26 20:38:15 UTC · ↺ Refresh

MX Hostnames

  • reboundmd-com.mail.protection.outlook.com

MX Priorities

  • reboundmd-com.mail.protection.outlook.com: 5

A / AAAA Records

  • 52.40.225.111 ↩ ec2-52-40-225-111.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.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:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns11.constellix.com dns.constellix.com 2015010161 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010161
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:65.121.82.29 ip4:65.121.82.23 ip4:63.158.123.171 include:47733274.spf10.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

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

12 records
  • q4mantm47tr9fp0soq9i1avnbc
  • ljdf3rbkqkdgtsf9v1sp6hq0la
  • 4o7koak6f9n09janpd38od28fv
  • qsot1art2i25u859tm6jn8mcs1
  • SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:65.121.82.29 ip4:65.121.82.23 ip4:63.158.123.171 include:47733274.spf10.hubspotemail.net -all
  • vs3du7bairc93mplqpvsu0c7lq
  • I870JMC0UAVHK6NB4R7MD6BOTL
  • apple-domain-verification=zZ0JXFG7nu2Vxf4M
  • rjm93v5ubek2r8efogbg8lm477
  • 3i060qeg2k3ntvd4a7fbdgdipp
  • kbdpsf4kpkmuhct4m6j4d3dakf
  • ZOOM_verify_Exe8RfsBYrm442NwDmP0Pl
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