Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
prisdev.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:12:29 UTC · ↺ Refresh
MX Hostnames
- prisdev-com.mail.protection.outlook.com
MX Priorities
- prisdev-com.mail.protection.outlook.com: 0
A / AAAA Records
- 65.61.48.27 ↩ undefined.hostname.localhost
Mail Server IPs
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
dns101.register.com root.register.com 126020910 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126020910
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns102.register.com
dns101.register.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:isqftmail.com include:SendGrid.net ip4:172.176.209.10 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
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 include:isqftmail.com include:SendGrid.net ip4:172.176.209.10 -all
- duo_sso_verification=mgEElztDO4E70ptiJIMBCZkBdGvfexlg48fcOalyaowkvtJQKIt92yX0TjfLQjO5
- 3dxbf76ddw7fgzks88gmnj4k40491l0n
- MS=ms74303653
Full email verification for prisdev.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits