Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
costaffservices.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:51:47 UTC · ↺ Refresh
MX Hostnames
- costaffservices-com.mail.protection.outlook.com
MX Priorities
- costaffservices-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.208.167.210 ↩ 210.167.208.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns29.worldnic.com namehost.worldnic.com 125110513 10800 3600 604800 3600
Primary NS (mname)
ns29.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125110513
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns29.worldnic.com
ns30.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.234.125.102 ip4:72.32.143.172 ip4:98.129.5.251 ip4:50.56.137.71 ip4:35.208.167.210 mx a include:_spf.siteground.net include:_spf.siteground.biz include:spf.protection.outlook.com include:44625060.spf04.hubspotemail.net include:spfa.cpmails.com include:zcsend.net ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];ri=604800;aspf=r;adkim=r;fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 ip4:216.234.125.102 ip4:72.32.143.172 ip4:98.129.5.251 ip4:50.56.137.71 ip4:35.208.167.210 mx a include:_spf.siteground.net include:_spf.siteground.biz include:spf.protection.outlook.com include:44625060.spf04.hubspotemail.net include:spfa.cpmails.com include:zcsend.net ~all
- zywave-domain-verification=Q9vnSmDFkxQOuYN4ncIZcMdOaLECExrvXo84rsj81PA=
- MS=ms37367998
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