relesys.net

Valid Email Server
Domain Lookup › relesys.net
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
relesys.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-27 20:58:11 UTC · ↺ Refresh

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MX Hostnames

  • relesys-net.mail.protection.outlook.com

MX Priorities

  • relesys-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.60.103.175 (no PTR)
  • 199.60.103.75 (no PTR)

Mail Server IPs

  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.one.com hostmaster.one.com 2026061602 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026061602
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns01.one.com
ns02.one.com

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com include:stspg-customer.com include:emaileuc.freshservice.com ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:40.68.36.243 include:6879974.spf03.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

8 records
  • atlassian-domain-verification=B31kxBczMramLHYqUlxaOANKUzzizDYTe1awJfNaFlQk0fSZ4VeUoIOtQnMeA4ca
  • status-page-domain-verification=l591gjhtfrdg
  • apple-domain-verification=ISdpMYbsPjK45Uif
  • apple-domain-verification=s94yIuqyonx9h5CX
  • google-site-verification=EjrV5rjZM5BwhYt5-nPPa9zGsFU0wMTiTD1Tc_UD_Ck
  • google-site-verification=i7SzeqbEPHpU_8k8zSbOHw2mQC6Ea3rDXDUducWXBus
  • anthropic-domain-verification-2x21xg=9oIQUHM3dDllqjpvcbgfYRKbR
  • SPFv=spf1 mx a include:spf.protection.outlook.com include:stspg-customer.com include:emaileuc.freshservice.com ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:40.68.36.243 include:6879974.spf03.hubspotemail.net -all
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