Domain Lookup: brunner-inc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago

Domain

brunner-inc.com

Valid Email Server

Yes

Has MX Records

✓ Yes

Email Provider

Outlook

Disposable

Free Provider

Role Account

⚠ Yes

Email Relay

Privacy Protected

Checked via [email protected] · 2026-03-18 16:55:40 UTC · ↺ Refresh

MX Hostnames

brunnerinc-com01i.mail.protection.outlook.com

MX Priorities

brunnerinc-com01i.mail.protection.outlook.com: 0

A / AAAA Records

45.45.221.122 (no PTR)

Mail Server IPs

52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

                  Raw SOA
                  ns11.constellix.com dns.constellix.com 2015010128 43200 3600 1209600 180                

Primary NS (mname)

ns11.constellix.com

Admin Email (rname)

dns@constellix.com

Serial

2015010128

Refresh

43200s

Retry

3600s

Expire

1209600s

Minimum TTL

180s

Nameservers (NS)

                      ns41.constellix.net                    

                      ns51.constellix.net                    

                      ns61.constellix.net                    

                      ns11.constellix.com                    

                      ns21.constellix.com                    

                      ns31.constellix.com                    

SPF Record

✓ Strict (-all)

                    v=spf1 include:spf.protection.outlook.com -all                  

📊 DNS lookups: 1/10

✓ Hard fail (-all) — strict 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

3 records

SPFv=spf1 include:spf.protection.outlook.com -all
google-site-verification=NPerQAEojBAILP1j4e35CjGHkKcArHS03Y8xtu9ntek
MS=ms32513441

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