Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
istaff.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:03:17 UTC · ↺ Refresh
MX Hostnames
- istaff-com.mail.protection.outlook.com
MX Priorities
- istaff-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.185.226.188 ↩ cargo-carga.com
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns21.worldnic.com namehost.worldnic.com 124020119 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
124020119
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns22.worldnic.com
ns21.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a:mail.istaff.com a:spf.bullhornmail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- SPFv=spf1 include:spf.protection.outlook.com a:mail.istaff.com a:spf.bullhornmail.com -all
- _globalsign-domain-verification=168q8tHBx6-5m8Sz6En1bccl8PKy_RqIiL9vUM7f8X
- google-site-verification=4K2iTTZkt32egplRQGjY_8hs8Ltf9ShjHPnow15jnR8
- MS=ms66718252
Full email verification for istaff.com
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