flextecs.com

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
flextecs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:23:03 UTC · ↺ Refresh

MX Hostnames

  • flextecs-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 199.60.103.14 (no PTR)
  • 199.60.103.114 (no PTR)

Mail Server IPs

  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mydyndns.org zone-admin.dyndns.com 2013071036 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2013071036
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns4189.dns.dyn.com
ns1193.dns.dyn.com
ns2197.dns.dyn.com
ns3180.dns.dyn.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:208.94.147.131 ip4:64.238.216.222 ip4:208.94.147.128 ip4:208.43.75.107 ip4:75.126.136.162 ip4:184.172.50.186 include:sendgrid.net include:spf.smtp2go.com include:spf.protection.outlook.com include:emsd1.com include:43711813.spf06.hubspotemail.net include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate 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

✓ 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
  • SPFv=spf1 a mx ip4:208.94.147.131 ip4:64.238.216.222 ip4:208.94.147.128 ip4:208.43.75.107 ip4:75.126.136.162 ip4:184.172.50.186 include:sendgrid.net include:spf.smtp2go.com include:spf.protection.outlook.com include:emsd1.com include:43711813.spf06.hubspotemail.net include:_spf.psm.knowbe4.com ~all
  • nordpass-domain-verification=cd4f519f9e91578ca8dc889f89c1ddec63b0c6f189f83ce081e4705bf88a231d
  • MS=ms42284354
  • google-site-verification=c9xU5xa-TVnIdcDwdbwhx6pcjw9eQWqKIY2ckWlK3RA
  • duo_sso_verification=4ZzIdQboDKKicWtDzTLOFQqG5oCmdOUncQToXQcVLrDxdkjaMjOjYdj8vZTc9Qjz
  • include:43711813.spf06.hubspotemail.net
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