`workwithmckesson.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:278f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:921d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.143^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.29^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ernest.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ernest.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ernest.ns.cloudflare.com`
		A	108.162.193.164^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	172.64.33.164^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
		A	173.245.59.164^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ernest.ns.cloudflare.com`
NS	`susan.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`susan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`susan.ns.cloudflare.com`
		A	108.162.194.199^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	162.159.38.199^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	172.64.34.199^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	2607:f8b0:4023:c0b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f26.1e100.net`
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	2607:f8b0:4023:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dl-in-f27.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
		A	142.250.141.26^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f26.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
		A	142.251.2.26^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f26.1e100.net`
		A	142.251.2.27^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f27.1e100.net`
TXT	`google-site-verification=-6FaF9YKj9r-J8zW9PtMNDbeoa7JVFhaPLq55chfguk`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.143, 172.67.146.29
		IPv6 hints	2606:4700:3030::6815:278f, 2606:4700:3030::ac43:921d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com
SOA	`ernest.ns.cloudflare.com`dns@cloudflare.com serial=2402054890

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777184091

Same first word

workwithmckesson.com

DNS History

10 records (7 active, 3 former)

●NSernest.ns.cloudflare.com2026-03-25 → 2026-04-26 · 3 obs

○ 2018-05-10 14:48:24
● 2026-03-25 23:00:56
● 2026-04-26 06:27:02

○NSns37.domaincontrol.com2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 14:48:24
○ 2026-03-25 23:00:56
○ 2026-04-26 06:27:02

○NSns38.domaincontrol.com2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 14:48:24
○ 2026-03-25 23:00:56
○ 2026-04-26 06:27:02

●NSsusan.ns.cloudflare.com2026-03-25 → 2026-04-26 · 3 obs

○ 2018-05-10 14:48:24
● 2026-03-25 23:00:56
● 2026-04-26 06:27:02

●MXsmtp.google.com2026-03-25 → 2026-04-26 · 2 obs

● 2026-03-25 23:00:56
● 2026-04-26 06:27:02

●A104.21.39.1432026-03-25 → 2026-04-26 · 3 obs

○ 2018-05-10 14:48:24
● 2026-03-25 23:00:56
● 2026-04-26 06:27:02

●A172.67.146.292026-03-25 → 2026-04-26 · 3 obs

○ 2018-05-10 14:48:24
● 2026-03-25 23:00:56
● 2026-04-26 06:27:02

●A2606:4700:3030::6815:278f2026-03-25 → 2026-04-26 · 3 obs

○ 2018-05-10 14:48:24
● 2026-03-25 23:00:56
● 2026-04-26 06:27:02

●A2606:4700:3030::ac43:921d2026-03-25 → 2026-04-26 · 3 obs

○ 2018-05-10 14:48:24
● 2026-03-25 23:00:56
● 2026-04-26 06:27:02

○A50.22.4.902018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 14:48:24
○ 2026-03-25 23:00:56
○ 2026-04-26 06:27:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
workwithmckesson.com	ernest.ns.cloudflare.com, susan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.199

NS records: ernest.ns.cloudflare.com, susan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workwithmckesson.com (unsigned zone)

⏱️ Timing

Total: 170ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.146.29, 104.21.39.143`
AAAA	2	`2606:4700:3030::6815:278f, 2606:4700:3030::ac43:921d`
NS	2	`ernest.ns.cloudflare.com, susan.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=-6FaF9YKj9r-J8z, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ernest.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ernest.ns.cloudflare.com, ernest.ns.cloudflare.com, ernest.ns.cloudflare.com...)

Analysis

IP Addresses

workwithmckesson.com points to four IP numbers: 2606:4700:3030::6815:278f, 2606:4700:3030::ac43:921d, 104.21.39.143 and 172.67.146.29.

Other host names, for instance analytics.nevelon.net, ahjp.net.cn, 9527acgdaohang.com, rodolphtech.digital and www.pewarta-indonesia.com.cdn.cloudflare.net share IP numbers with workwithmckesson.com.

Name Servers

workwithmckesson.com is delegated to two name servers: ernest.ns.cloudflare.com and susan.ns.cloudflare.com.

workwithmckesson.com uses the same name server setup as other domains, for instance hdroute.com, landthink.com, auctionflip.com, landflip.com and avtorinok.md.

workwithmckesson.com shares name servers with other domains at least partially, for instance entabe.jp, petroaspol.sk, lvstewart.com, moonlight.com.tr and shanchuanhome.com.

these name servers are often used with damon.ns.cloudflare.com, coco.ns.cloudflare.com and moura.ns.cloudflare.com.

Host names with six IP numbers: ernest.ns.cloudflare.com points to 2606:4700:58::adf5:3ba4, 2803:f800:50::6ca2:c1a4, 2a06:98c1:50::ac40:21a4, 108.162.193.164, 172.64.33.164 and 173.245.59.164; susan.ns.cloudflare.com points to 2606:4700:50::a29f:26c7, 2803:f800:50::6ca2:c2c7, 2a06:98c1:50::ac40:22c7, 108.162.194.199, 162.159.38.199 and 172.64.34.199.

Mail Servers

The mail server for workwithmckesson.com is smtp.google.com.

workwithmckesson.com shares the same mail server setup as other domains, including reachoutziveai.com, dqk.it, ilge.com.tr, attachbewildered.com and kafetti.com.

workwithmckesson.com shares some mail servers with other domains, including mslobelka.sk, bartinsoft.com, tomjannaceroofing.com, radayapimarket.com and thelonghaulfitness.com.

These mail servers are often used with the mail servers aspmx.l.google.com.

Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 2607:f8b0:4023:c0d::1b, 142.250.101.26, 142.250.141.26, 142.250.141.27, 142.251.2.26 and 142.251.2.27.

workwithmckesson.com - robtex.com