Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
questdiagnostics.com
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 05:15:29 UTC · ↺ Refresh
MX Hostnames
- cluster4a.us.messagelabs.com
- cluster4.us.messagelabs.com
MX Priorities
- cluster4.us.messagelabs.com: 10
- cluster4a.us.messagelabs.com: 20
A / AAAA Records
- 52.232.227.90 (no PTR)
Mail Server IPs
- 67.219.246.209 ↩ mail908.messagelabs.com
- 67.219.247.193 ↩ mail926.messagelabs.com
- 67.219.250.216 ↩ mail949.messagelabs.com
- 67.219.247.97 ↩ mail921.messagelabs.com
- 67.219.250.211 ↩ mail942.messagelabs.com
- 67.219.246.216 ↩ mail902.messagelabs.com
- 34.75.172.113 ↩ 113.172.75.34.bc.googleusercontent.com
SOA Record
Raw SOA
ib-grid.qdx.com domain-tech.questdiagnostics.com 2019014156 10800 3600 2419200 900
Primary NS (mname)
ib-grid.qdx.com
Admin Email (rname)
domain-tech@questdiagnostics.com
Serial
2019014156
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns1.questdiagnostics.com
ns3.questdiagnostics.com
ns11.questdiagnostics.com
ns12.questdiagnostics.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.questdiagnostics.com include:spf2.questdiagnostics.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
32 records- cisco-ci-domain-verification=9137245383a361d235028354c49aec77c545c300a71af9f070384cc28aa617c
- onetrust-domain-verification=da2f0baa1e2e4fa9a82946ab0f3942b5
- adobe-idp-site-verification=7f64bf40e9628296979cf87278218eaf685fda6fa67383a33513b852c3060c3b
- apple-domain-verification=uEk1tgx5xbOx6a57
- apple-domain-verification=nruWP4efHrYigBPK
- google-site-verification=syvsJQGGFWV1iQV3e5hWQhLZgbT-dJDhCd_EdzzH29I
- QxDTDTWFa4pJugxQutyqb5BFYH0fO0d6gmB9z56NVoS+ifN8ab0eGMOD24M4gm5uuxv95Fr4Y/2GOc/+XWjJIg==
- google-site-verification=JV7NOkJf5i7c0BxvP45nMnlsTXnBmYrZ2PDi3lbJ_so
- _6j15caqw6shvh4xyg1ue593uqbawpn7
- Dynatrace-site-verification=a020fcd7-82c4-4895-9f2c-cfae793f32ef__4k18p905dd3vok5dh2e13limbg
- _rzkn3d6optr8v1tcx01lpk5g1fyrmsj
- onetrust-domain-verification=cb03b5348d554fcaa5347e773c44a5e5
- AbCH3t0TUzvhxBIZWJvE8a+C2ys6G6kCJxloMB++7IiXwxN3il0wD1vJXBPaeoOoiIYj8vK1ftDsSwnhDp5sIQ==
- _qzzhmqm33t6j43ns1q9pw4es7zehx7c
- wiz-domain-verification=abcdef1234567890abcdef1234567890abcdef1234567890
- SPFv=spf1 include:spf1.questdiagnostics.com include:spf2.questdiagnostics.com -all
- teamviewer-sso-verification=ece4aaed3aad43719274437c5b8613ac
- MS=ms67858035
- google-site-verification=zPaAV3wZTYaXQs-LfFFDJqw6ZOK7Ky0kgDTJw1hXWlU
- smartsheet-site-validation=GGJZAr-N8O-eWaTT5yIFQk5NjdifUDSA
- onetrust-domain-verification=9d1493407dfb45b2bc4d8e6d3119a654
- docusign=8af2e051-c6e0-40bd-898b-e8aa1c421f20
- mixpanel-domain-verify=cfcc7595-8be5-4760-9470-c975bf60c567
- TBj6xlrJxda242StL4v+Kl4zWcq2BxJoJLHShDmdee0o4ESx0LQTib3JlRsPbNX9BnEm0mQe4jaNvZ7C9xxEHQ==
- google-gws-recovery-domain-verification=54850844
- docusign=bd264cc9-688a-441b-87db-85c39dabd4ef
- amazonses:8rS7RoawNHHT51o0WBfCMOHwGcjFTZ9uKw/Wwr/O0QI=
- apple-domain-verification=v0VinpOytrD9ogvn
- atlassian-domain-verification=hUoLqwVkin8T0OLIrlGxBE77X4GiJ26a/6folkY0p6QDZHM8K8UOWdej6RyTNHmC
- MS=ms11058552
- intersight=49a6f7a9e25781b50bb7b57010fc4d6818daed0842640a345a297ffab7518bea
- stripe-verification=0e7043ca67014a07cc4ecf3b6a2a77514bb7124a2a6647013c74c472cc95316e
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