Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
labcorp.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 10:09:40 UTC · ↺ Refresh
MX Hostnames
- mx0b-00266502.pphosted.com
- mx0a-00266502.pphosted.com
MX Priorities
- mx0b-00266502.pphosted.com: 10
- mx0a-00266502.pphosted.com: 10
A / AAAA Records
- 104.18.30.60 (no PTR)
- 104.18.31.60 (no PTR)
Mail Server IPs
- 148.163.154.235 ↩ mx0b-00266502.pphosted.com
- 148.163.151.35 ↩ mx0a-00266502.pphosted.com
SOA Record
Raw SOA
dns3.labcorp.com internetdomainadmin.labcorp.com 2014093803 10800 3600 2419200 900
Primary NS (mname)
dns3.labcorp.com
Admin Email (rname)
internetdomainadmin@labcorp.com
Serial
2014093803
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
dns4.labcorp.com
dns3.labcorp.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ 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
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
30 records- xz3yz7kxt5gz8h44pw43ntgmgp638ldv
- MS=ms55992890
- cisco-ci-domain-verification=373ac705c3db07bc63e48289bc0759d862eba2cbfdd5c53be42b23e86b3cdc07
- atlassian-domain-verification=qxlPoHuIMpPekKAhAw3eIBw5lnDwSDn5SbbZCFsStOEi6RTpeFgzyiu1D+1dNhrV
- docusign=af61972d-5648-4437-970a-98b9472f472d
- Dynatrace-site-verification=f19de573-c4c1-4e8f-8677-1e4714c46517__mm12fi6eckfua6g7il8k9vopqd
- amazonses:C7qgWYqHUrDBdd2SKS9hGrWoVZ0gUMB463agQijRqtI=
- atlassian-domain-verification=gXRqVpj7GqfeuuHa730E8kXVvPSlG8dUuCpJ7uYVsshV61ErxAXzIKCS2AvmogSK
- IW6CrL7/xzLIHQ/Na42eD4o1eqT2BJHASysrki0JErh/0RogVDiXePEjzwX7AUUzUmnJDV2IN74op2zI8TkJXA==
- docusign=40b7a632-6852-4145-ac76-1cf19ae47b29
- miro-verification=be22b8192b1095104f7a62c95a71a9a5af034195
- amazonses:CvC5HNT8sR/fVcBjZSuzPGFc56HtC2g60duA+HrWWcw=
- amazonses:ftIJEBfa23pDi1VQHWTHPeLh/e6h8ibzed5JmllFaZU=
- cursor-domain-verification-7wpd5n=KBX70uv7vxiR7zuBnNbDDLfJX
- ecostruxure-it-verification=088dcb9c-9cf4-4060-899a-f54149baa95a
- google-site-verification=K8J62PNnBJDUegN9vyRiOxaK722gvJQ0RyE_4up-B34
- adobe-idp-site-verification=fa373cc635a85d4230f783cb97266eefb65c34e4ed1574253364969e82f96e52
- arcules-domain-verification=9Cc1CIbiCpn1PTKEMdrDgwE5OnJvpMb2nqKlbUBx9hp
- atlassian-domain-verification=b2VZbQ3BAZssE8wUiX4v07p1JOcBkmo3mGahk1Gmd9BqiOb2WjLBzAQu3Snfp0/f
- _fiyd58xt3qrka6vvxt3eebbz5b65zmb
- smartsheet-site-validation=8ivDZqSPWhpNIpG7jEhrZ1B7I8T1pH2b
- _1mxkql0c4w95pydum27g0rbg8f3g5w7
- flexera-domain-verification-eqiljatgjfitjxei
- lucid-validate-BwAA5kDhIhAnhwDf0kPq
- google-site-verification=nS29-b3aiPzYlTcvVsbmBNO9pIPQ3K-w9W76716EvpE
- QlQ6Qcyt-F-y383IsONjVDOrYQ
- onetrust-domain-verification=50e215ef57e04636ba0fb405b169caee
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- amazonses:GaysHhsPuerYh62udkdu/JJO/T51m1xh/LS/3QxzMvA=
- facebook-domain-verification=wab7s18vblggua9dpr6uatd46s6dar
Full email verification for labcorp.com
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