api.questdiagnostics.com - dns.ninja

`api.questdiagnostics.com`

DNSSEC	⚠️ Not signed
A	137.135.122.78^{🇺🇸 Microsoft137.135.0.0/16 MICROSOFT}
NS	`ib-grid.qdx.com` ⭐
NS	`ns1.questdiagnostics.com` ⚠️ Not in parent delegation
		A	216.203.80.72^{🇺🇸 AS27021216.203.80.0/24}
			PTR	`ns1.questdiagnostics.com`
NS	`ns11.questdiagnostics.com` ⚠️ Not in parent delegation
		A	216.203.95.72^{🇺🇸 AS27021216.203.92.0/22}
			PTR	`ns11.questdiagnostics.com`
NS	`ns12.questdiagnostics.com` ⚠️ Not in parent delegation
		A	216.203.95.73^{🇺🇸 AS27021216.203.92.0/22}
			PTR	`ns12.questdiagnostics.com`
NS	`ns3.questdiagnostics.com` ⚠️ Not in parent delegation
		A	216.203.80.73^{🇺🇸 AS27021216.203.80.0/24}
			PTR	`ns3.questdiagnostics.com`
SOA	`ib-grid.qdx.com`please_set_email@absolutely.nowhere serial=10

`questdiagnostics.com`

	DNSSEC	⚠️ Not signed
	A	52.232.227.90^{🇺🇸 Microsoft52.224.0.0/11 MICROSOFT}
	NS	`ib-grid.qdx.com` ⭐
	NS	`ns1.questdiagnostics.com`
	NS	`ns11.questdiagnostics.com`
	NS	`ns12.questdiagnostics.com`
	NS	`ns3.questdiagnostics.com`
	MX	`cluster4.us.messagelabs.com` ⭐
	MX	`cluster4a.us.messagelabs.com`⁽²⁰⁾
	TXT	`AbCH3t0TUzvhxBIZWJvE8a+C2ys6G6kCJxloMB++7IiXwxN3il0wD1vJXBPaeoOoiIYj8vK1ftDsS...`
	TXT	`google-site-verification=syvsJQGGFWV1iQV3e5hWQhLZgbT-dJDhCd_EdzzH29I`
	TXT	`google-gws-recovery-domain-verification=54850844`
	TXT	`cisco-ci-domain-verification=9137245383a361d235028354c49aec77c545c300a71af9f0...`
	TXT	`_rzkn3d6optr8v1tcx01lpk5g1fyrmsj`
	TXT	`_qzzhmqm33t6j43ns1q9pw4es7zehx7c`
	TXT	`teamviewer-sso-verification=ece4aaed3aad43719274437c5b8613ac`
	TXT	`mixpanel-domain-verify=cfcc7595-8be5-4760-9470-c975bf60c567`
	TXT	`_6j15caqw6shvh4xyg1ue593uqbawpn7`
	TXT	`sprout-social-76982269-3fdf-46af-8bac-a82fe22088c4`
	TXT	`jamf-site-verification=Y15JZVg51lY_h3PoPjyeEw`
	TXT	`00D30000000JXlH=1TBVt000000032j`
	TXT	`00DWe000004P4Nt=1TBWe00000004tI`
	TXT	`v=spf1 include:spf1.questdiagnostics.com include:spf2.questdiagnostics.com in...`
	TXT	`MS=ms67858035`
	TXT	`MS=ms11058552`
	TXT	`QxDTDTWFa4pJugxQutyqb5BFYH0fO0d6gmB9z56NVoS+ifN8ab0eGMOD24M4gm5uuxv95Fr4Y/2GO...`
	TXT	`google-site-verification=zPaAV3wZTYaXQs-LfFFDJqw6ZOK7Ky0kgDTJw1hXWlU`
	TXT	`docusign=8af2e051-c6e0-40bd-898b-e8aa1c421f20`
	TXT	`docusign=bd264cc9-688a-441b-87db-85c39dabd4ef`
	TXT	`TBj6xlrJxda242StL4v+Kl4zWcq2BxJoJLHShDmdee0o4ESx0LQTib3JlRsPbNX9BnEm0mQe4jaNv...`
	TXT	`adobe-idp-site-verification=7f64bf40e9628296979cf87278218eaf685fda6fa67383a33...`
	TXT	`google-site-verification=JV7NOkJf5i7c0BxvP45nMnlsTXnBmYrZ2PDi3lbJ_so`
	TXT	`Dynatrace-site-verification=a020fcd7-82c4-4895-9f2c-cfae793f32ef__4k18p905dd3...`
	TXT	`onetrust-domain-verification=da2f0baa1e2e4fa9a82946ab0f3942b5`
	TXT	`onetrust-domain-verification=cb03b5348d554fcaa5347e773c44a5e5`
	TXT	`apple-domain-verification=nruWP4efHrYigBPK`
	TXT	`apple-domain-verification=uEk1tgx5xbOx6a57`
	TXT	`apple-domain-verification=v0VinpOytrD9ogvn`
	TXT	`smartsheet-site-validation=GGJZAr-N8O-eWaTT5yIFQk5NjdifUDSA`
	TXT	`amazonses:8rS7RoawNHHT51o0WBfCMOHwGcjFTZ9uKw/Wwr/O0QI=`
	TXT	`intersight=49a6f7a9e25781b50bb7b57010fc4d6818daed0842640a345a297ffab7518bea`
	TXT	`wiz-domain-verification=abcdef1234567890abcdef1234567890abcdef1234567890`
	TXT	`onetrust-domain-verification=9d1493407dfb45b2bc4d8e6d3119a654`
	TXT	`atlassian-domain-verification=hUoLqwVkin8T0OLIrlGxBE77X4GiJ26a/6folkY0p6QDZHM...`
	TXT	`stripe-verification=0e7043ca67014a07cc4ecf3b6a2a77514bb7124a2a6647013c74c472c...`
	SOA	`ib-grid.qdx.com`domain-tech@questdiagnostics.com serial=2019014271

WOT: SAFE (91/100)
rank #14564 globally
rank #7125 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #13,688

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DNS History

6 records (6 active, 0 former)

●NSib-grid.qdx.com2026-02-25 → 2026-06-27 · 2 obs

● 2026-02-25 23:37:40
● 2026-06-27 07:36:50

●NSns1.questdiagnostics.com2026-02-25 → 2026-06-27 · 2 obs

● 2026-02-25 23:37:40
● 2026-06-27 07:36:50

●NSns11.questdiagnostics.com2026-02-25 → 2026-06-27 · 2 obs

● 2026-02-25 23:37:40
● 2026-06-27 07:36:50

●NSns12.questdiagnostics.com2026-02-25 → 2026-06-27 · 2 obs

● 2026-02-25 23:37:40
● 2026-06-27 07:36:50

●NSns3.questdiagnostics.com2026-02-25 → 2026-06-27 · 2 obs

● 2026-02-25 23:37:40
● 2026-06-27 07:36:50

●A137.135.122.782019-12-24 → 2026-06-27 · 2 obs

● 2019-12-24 18:46:28
● 2026-06-27 07:36:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
questdiagnostics.com	ns1.questdiagnostics.com, ns3.questdiagnostics.com, ns11.questdiagnostics.com, ns12.questdiagnostics.com	4 records

✅ Authoritative Response

Server:216.203.95.72

NS records: ns1.questdiagnostics.com, ns3.questdiagnostics.com, ns11.questdiagnostics.com, ns12.questdiagnostics.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for questdiagnostics.com (unsigned zone)

⏱️ Timing

Total: 398ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`137.135.122.78`
NS	4	`ns3.questdiagnostics.com, ns12.questdiagnostics.com...`
SOA	1	`ib-grid.qdx.com please_set_email.absolut`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.questdiagnostics.com, ns3.questdiagnostics.com, ns11.questdiagnostics.com...)

Analysis

IP Addresses

api.questdiagnostics.com directs to one IP number, which is 137.135.122.78.

Name Servers

The authoritative name servers for api.questdiagnostics.com are ib-grid.qdx.com, ns11.questdiagnostics.com, ns12.questdiagnostics.com and two others.

api.questdiagnostics.com has at least partial name server overlap with other domains, such as care360direct.com, swschptesting.com, 253.242.209.in-addr.arpa and two others.

These name servers tend to appear together with the name servers ns1.questdiagnostics.com, ns3.questdiagnostics.com and ns2.questdiagnostics.com.

ns11.questdiagnostics.com resolves to 216.203.95.72. ns12.questdiagnostics.com resolves to 216.203.95.73. ns1.questdiagnostics.com resolves to 216.203.80.72. ns3.questdiagnostics.com resolves to 216.203.80.73. All four hosts carry exactly one IP address.