Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
imsts.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:47:50 UTC · ↺ Refresh
MX Hostnames
- imsts-com.mail.eo.outlook.com
MX Priorities
- imsts-com.mail.eo.outlook.com: 0
A / AAAA Records
- 72.14.186.125 ↩ aspen.go-os.net
- 2600:3c00::f03c:91ff:fedf:b0cd ↩ aspen.go-os.net
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
colette.ns.cloudflare.com dns.cloudflare.com 2397299043 10000 2400 604800 1800
Primary NS (mname)
colette.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397299043
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
colette.ns.cloudflare.com
steven.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:69.84.142.200 ip4:100.42.125.81 ip4:50.222.185.99 include:_spf.salesforce.com include:ccsend.com include:sendgrid.net include:spf.myconnectwise.net include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf.intacct.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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 ip4:69.84.142.200 ip4:100.42.125.81 ip4:50.222.185.99 include:_spf.salesforce.com include:ccsend.com include:sendgrid.net include:spf.myconnectwise.net include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf.intacct.com -all
- apple-domain-verification=zJfTUtzS6noSilDn
- box-domain-verification=71870f83af5145550fefb9a7b13dd00a6b058a70fc26642a242950bb56a7202f
- e35bu4ojkncbidgcj657uiocgv
- google-site-verification=9txwf6Wp3_tRXbZ0FRkJEqNGmgPTgCcoaSz07PXjw0Q
- intacct-esk=3FF3E93DA669249EE063CA06710A3CF7
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