Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
covance.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 06:02:22 UTC · ↺ Refresh
MX Hostnames
- nadcsmtp01.covance.com
- nadcsmtp03.covance.com
- nadcsmtp04.covance.com
- nadcsmtp02.covance.com
MX Priorities
- nadcsmtp02.covance.com: 10
- nadcsmtp01.covance.com: 10
- nadcsmtp03.covance.com: 20
- nadcsmtp04.covance.com: 20
A / AAAA Records
- 104.18.1.25 (no PTR)
- 104.18.0.25 (no PTR)
Mail Server IPs
- 208.66.166.157 ↩ nadcsmtp02.covance.com
- 208.66.166.156 ↩ nadcsmtp01.covance.com
- 208.66.166.215 ↩ nadcsmtp03.covance.com
- 208.66.166.216 ↩ nadcsmtp04.covance.com
SOA Record
Raw SOA
dns3.labcorp.com internetdomainadmin.labcorp.com 2019092870 28800 7200 1209600 86400
Primary NS (mname)
dns3.labcorp.com
Admin Email (rname)
internetdomainadmin@labcorp.com
Serial
2019092870
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
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; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
29 records- miro-verification=be22b8192b1095104f7a62c95a71a9a5af034195
- 4kzzfp682jvtl4yvdzt2qm5g3hjszszz
- adobe-idp-site-verification=fa373cc635a85d4230f783cb97266eefb65c34e4ed1574253364969e82f96e52
- xz3yz7kxt5gz8h44pw43ntgmgp638ldv
- ciscocidomainverification=741467ec15c9b40c20b07841aad6c6f4160cffc80dabdbed488bad00e9be7128
- smartsheet-site-validation=X2WNHWdE20rotHpW30tS6ZzJpCvTH7tr
- JcyCi/ufRI7cXAxnJBNObV8+V0jiE92PgmcFcfdAAthdAOuaprIf3kdf+jxvyQG/sSTkOxusRvoPto+ehNZO4Q==
- 3j0kggb5lq28j1vqgc3w8mslhzxg3zs1
- MS=ms20057178
- l126n9z05yb1my89t5fxnk9q79kcrj2n
- v=msv1 t=023FF51D-2E4A-4623-8111-0BFBC5380D7D
- 5lnvds48vx02fnk718sgcxtdjwy6s7kv
- Dynatrace-site-verification=7f45512d-ea82-4e3b-b267-70d92b10dcb4__upc7fks47dfrvafqp8d9dem6io
- kffmklsdhg651flnfv72f6stsxy0p0tw
- lynvtt14tydy25klvsdmsp98mxhdw7nl
- z8x4f0p4m09ms6dplkfsb0ffvb7s4tkd
- onetrust-domain-verification=5d13a0ec1b07490a8b1ccabf305b7eb5
- _grjc5flq5ztyiz7xamvieqltwum01br
- docusign=1bda1931-942a-4414-bfc8-a2cdcf2b272d
- atlassian-domain-verification=bv78I3Ryv09rlhGsWIyRgFNuy3pnZwuAbOADGI/cbfuDFklnHFg6VIpDLEu4DIwU
- ns82vw6psxd0nbxl90qt3gjvnlxtxtt9
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- docusign=0fd685b0-225f-41e0-9bdf-4150b4742713
- rn8rrcjfrpybb2l4g5npw8n8rp0k7w0x
- flexera-domain-verification-okwbgvvjffrenagt
- mb3pf8l7kq4n0f4pv4vsw859lpvczs6m
- _qldrw3fjl7duzzfbfg2o4j116bs68rz
- ecostruxure-it-verification=088dcb9c-9cf4-4060-899a-f54149baa95a
- lucid-validate-ZoHxK6Qc7ZyecUCDkNNP
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