Domain Overview
DNS: ✓ 10h ago
Checker: ✓ 10h ago
omniseq.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 05:22:42 UTC · ↺ Refresh
MX Hostnames
- omniseq-com.mail.protection.outlook.com
MX Priorities
- omniseq-com.mail.protection.outlook.com: 0
A / AAAA Records
- 54.159.234.47 ↩ ec2-54-159-234-47.compute-1.amazonaws.com
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
dns3.labcorp.com internetdomainadmin.labcorp.com 2021091553 10800 3600 2419200 900
Primary NS (mname)
dns3.labcorp.com
Admin Email (rname)
internetdomainadmin@labcorp.com
Serial
2021091553
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
dns3.labcorp.com
dns4.labcorp.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.zixsmbhosted.com include:spf.mandrillapp.com include:labcorp.com ip4:128.205.165.195 ip4:104.239.168.84 ip4:72.15.254.196 ip4:72.15.254.252 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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
3 records- lucid-validate-vjIq0rj3LEOnggB9m0Hp
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:spf.zixsmbhosted.com include:spf.mandrillapp.com include:labcorp.com ip4:128.205.165.195 ip4:104.239.168.84 ip4:72.15.254.196 ip4:72.15.254.252 ~all
- docusign=c4b9d4ab-78df-4fb7-aabc-901cb306def9
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