Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strlco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 07:32:23 UTC · ↺ Refresh
MX Hostnames
- strlco-com.mail.protection.outlook.com
MX Priorities
- strlco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 165.227.63.189 ↩ strlco.insightful.design
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns61.worldnic.com namehost.worldnic.com 126021801 10800 3600 604800 3600
Primary NS (mname)
ns61.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns62.worldnic.com
ns61.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:4.26.99.135 ip4:4.2.151.164 include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
12 records- dmlld3BvaW50X2F6dXJlX2NvbW1vbg==
- c3RybGNvc2FtbA==
- fcmw9b6t5h6dz0p9cbw4mqr3tf4ylzg9
- 62dDF+eK+w7H5n8YtuUSuUU7Tp4wNe1IaqNCHisEsIHHj+D99L9+toa1k9ebj2XmSbKPb3mpBAU5lJtzVkrHjA==
- adobe-idp-site-verification=329509fee9446fd0f9ee8c0c0afc48f223f4d4bf731dc8e08d7865eb6eb2f0b0
- GoOWTQ0vWA4PzHml+nzhB3QfUB3nczDRRtdUN8cIZ88GagOMLpKI9oZLyJQLEp88Svedv3e4Dp2PKyxzCfIWFw==
- google-gws-recovery-domain-verification=63139328
- MS=ms87460959
- MS=E5941A46FE1720B2236B24634ECD021C6964A9D5
- knowbe4-site-verification=be8c71aa30cad522cdce24c8b83d37c0
- SPFv=spf1 ip4:4.26.99.135 ip4:4.2.151.164 include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com -all
- apple-domain-verification=orl9Em9E1JzhGnwW
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