`olsoncpafirm.com`

DNSSEC	⚠️ Not signed
A	44.226.107.251^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
		PTR	`ec2-44-226-107-251.us-west-2.compute.amazonaws.com`
NS	`cloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a56^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c056^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2056^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cloe.ns.cloudflare.com`
		A	108.162.192.86^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	172.64.32.86^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	173.245.58.86^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
NS	`jaime.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaime.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c366^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jaime.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2366^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jaime.ns.cloudflare.com`
		A	108.162.195.102^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaime.ns.cloudflare.com`
		A	162.159.44.102^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaime.ns.cloudflare.com`
		A	172.64.35.102^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jaime.ns.cloudflare.com`
MX	`mailcsi1.westgroup.com` ⭐
		A	66.159.248.143^{🇺🇸 Proofpoint66.159.248.0/23}
			PTR	`mx0a-00851f02.pphosted.com`
MX	`mailcsi2.westgroup.com`⁽²⁰⁾
		A	66.159.250.114^{🇺🇸 Proofpoint66.159.250.0/24 925 W Maude Ave Sunnyvale CA 94085 United States}
			PTR	`mx0b-00851f02.pphosted.com`
TXT	`MS=ms57609128`
TXT	`ca3-6a4b861911de4e7d9800e00a9950ccc9`
TXT	`v=spf1 ip4:167.68.0.1/16 include:_spf.vo.thomsonreuters.com -all`
SOA	`cloe.ns.cloudflare.com`dns@cloudflare.com serial=2401439618

`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=1775973887

Subdomains

www.olsoncpafirm.com

Same first word

olsoncpafirm.com

DNS History

9 records (5 active, 4 former)

●NScloe.ns.cloudflare.com2026-02-22 → 2026-04-12 · 3 obs

○ 2018-07-15 01:51:10
● 2026-02-22 11:57:42
● 2026-04-12 06:21:52

○NSdns1.stabletransit.com2015-08-09 → 2018-07-15 · 4 obs

● 2015-08-09 19:58:20
● 2018-07-15 01:51:10
○ 2026-02-22 11:57:42
○ 2026-04-12 06:21:52

○NSdns2.stabletransit.com2015-08-09 → 2018-07-15 · 4 obs

● 2015-08-09 19:58:20
● 2018-07-15 01:51:10
○ 2026-02-22 11:57:42
○ 2026-04-12 06:21:52

●NSjaime.ns.cloudflare.com2026-02-22 → 2026-04-12 · 3 obs

○ 2018-07-15 01:51:10
● 2026-02-22 11:57:42
● 2026-04-12 06:21:52

○NSns.rackspace.com2015-08-09 → 2018-07-15 · 4 obs

● 2015-08-09 19:58:20
● 2018-07-15 01:51:10
○ 2026-02-22 11:57:42
○ 2026-04-12 06:21:52

●MXmailcsi1.westgroup.com2015-08-09 → 2026-04-12 · 2 obs

● 2015-08-09 19:58:20
● 2026-04-12 06:21:52

●MXmailcsi2.westgroup.com2015-08-09 → 2026-04-12 · 2 obs

● 2015-08-09 19:58:20
● 2026-04-12 06:21:52

○A167.68.20.1632015-08-09 → 2018-07-15 · 4 obs

● 2015-08-09 19:58:20
● 2018-07-15 01:51:10
○ 2026-02-22 11:57:42
○ 2026-04-12 06:21:52

●A44.226.107.2512026-02-22 → 2026-04-12 · 3 obs

○ 2018-07-15 01:51:10
● 2026-02-22 11:57:42
● 2026-04-12 06:21:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
olsoncpafirm.com	cloe.ns.cloudflare.com, jaime.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.86

NS records: cloe.ns.cloudflare.com, jaime.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for olsoncpafirm.com (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`44.226.107.251`
NS	2	`cloe.ns.cloudflare.com, jaime.ns.cloudflare.com`
MX	2	`mailcsi1.westgroup.com (pri: 10), mailcsi2.westgroup.com (pri: 20)`
TXT	3	`MS=ms57609128, ca3-6a4b861911de4e7d9800e00a9950ccc9...`
SOA	1	`cloe.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

olsoncpafirm.com is the parent of www.olsoncpafirm.com.

IP Addresses

olsoncpafirm.com resolves to a single IP: 44.226.107.251.

Other host names, for instance misasicpa.com, topel-silver.com, rsccpa.com, businessservicesoftucson.com and rvjcpa.com share IP numbers with olsoncpafirm.com.

Name Servers

olsoncpafirm.com has two name servers: cloe.ns.cloudflare.com and jaime.ns.cloudflare.com.

olsoncpafirm.com shares the same name server setup as other domains, for example refsmarket.com.ua, lavidadenicol.com, wotetech.com, proyectosit.com and jaluzi-verend.ru.

olsoncpafirm.com shares some name servers with other domains, for example 12v.kiev.ua, alterquo.net, letsroam.co, towershost.com and nopticon.com.

These name servers are commonly used together with dahlia.ns.cloudflare.com and mitch.ns.cloudflare.com.

Host names with six IP numbers: cloe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a56, 2803:f800:50::6ca2:c056, 2a06:98c1:50::ac40:2056, 108.162.192.86, 172.64.32.86 and 173.245.58.86; jaime.ns.cloudflare.com points to: 2606:4700:58::a29f:2c66, 2803:f800:50::6ca2:c366, 2a06:98c1:50::ac40:2366, 108.162.195.102, 162.159.44.102 and 172.64.35.102.

Mail Servers

olsoncpafirm.com is served by two mail servers: mailcsi1.westgroup.com and mailcsi2.westgroup.com.

olsoncpafirm.com shares the mail server setup with other domains, for example askmdcpa.com, plhudson.com, sbcpaohio.com, roedigerhoff.com and blaschak.com.

olsoncpafirm.com shares some mail servers with other domains, at least partially; for instance hedleycpa.net, warcpa.com, skalacpa.com, jessup-assoc.com and robsoncpa.com.

Host names with a single IP:

mailcsi1.westgroup.com points to 66.159.248.143

mailcsi2.westgroup.com points to 66.159.250.114

olsoncpafirm.com - robtex.com