Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gustafsonbros.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:31:34 UTC · ↺ Refresh
MX Hostnames
- gustafsonbros-com.mail.protection.outlook.com
MX Priorities
- gustafsonbros-com.mail.protection.outlook.com: 0
A / AAAA Records
- 66.206.14.2 ↩ amicus.acies.com
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.acies.com mcnitt.acies.com 2026030201 3600 1800 1209600 86400
Primary NS (mname)
ns1.acies.com
Admin Email (rname)
mcnitt@acies.com
Serial
2026030201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.acies.com
ns3.acies.com
ns2.acies.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:66.206.14.2 ip4:66.165.255.10 +a +mx include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; pct=100; ri=86400; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- SPFv=spf1 ip4:66.206.14.2 ip4:66.165.255.10 +a +mx include:spf.protection.outlook.com ~all
- MS=ms91185166
- T/D7qLHyORCpajIiQ5hjMM/felZdTjy46aNkCm5fjuQuDezqafKPkYzQ0Zj+Jj0hRtvk92tmBTh4pnATOL1hyA==
- MS=ms44880571
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