Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oncternal.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:36:09 UTC · ↺ Refresh
MX Hostnames
- oncternal-com.mail.protection.outlook.com
MX Priorities
- oncternal-com.mail.protection.outlook.com: 10
A / AAAA Records
- 209.182.196.37 (no PTR)
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
dns101.register.com root.register.com 125071511 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
125071511
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns102.register.com
dns101.register.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:relay.mailchannels.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- 0ed1fe018a83ba2f542cef4d4d90bf38bafcfc5362
- google-site-verification=m4zlQuSrTS3-T1m9Rgt4AAJ9QVdW1XyvsyAsT_EuO6k
- _dmarc.oncternal.com IN v=DMARC1 p=none
- ZOOM_verify_m6zzCQUQWr8fO1zgJ3YUrS
- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:relay.mailchannels.net ~all
Full email verification for oncternal.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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