`aco.cpa`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2945^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bdc7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.69^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.199^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`erin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c071^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`erin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2071^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`erin.ns.cloudflare.com`
		A	108.162.192.113^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	172.64.32.113^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
		A	173.245.58.113^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`erin.ns.cloudflare.com`
NS	`ken.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ken.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ken.ns.cloudflare.com`
		A	108.162.193.127^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	172.64.33.127^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
		A	173.245.59.127^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ken.ns.cloudflare.com`
MX	`aco-cpa.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr04cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f910::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.10.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00106.inbound.protection.outlook.com`
		A	52.101.10.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00302.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
TXT	`MS=ms96686198`
TXT	`knowbe4-site-verification=2e652c9821272b7841afefb2da960b02`
TXT	`v=spf1 ip4:67.225.208.26 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.69, 172.67.189.199
		IPv6 hints	2606:4700:3031::6815:2945, 2606:4700:3037::ac43:bdc7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com
SOA	`erin.ns.cloudflare.com`dns@cloudflare.com serial=2409136967

`cpa`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.cpa` ⭐
	NS	`b.nic.cpa`
	NS	`c.nic.cpa`
	NS	`x.nic.cpa`
	NS	`y.nic.cpa`
	NS	`z.nic.cpa`
	SOA	`a.nic.cpa`admin@tldns.godaddy serial=1784241594

rank #435735 globally
rank #2 in the tld

aco.cpa

aco.cpa is the official website of Accavallo & Company, LLC, a certified public accounting firm based in Shelton, Connecticut. The domain is used for the firm’s public-facing online presence.

Key facts

Owner / operator: Accavallo & Company, LLC
TLD:.cpa— sponsored gTLD for certified public accountants
Primary purpose: corporate website for an accounting firm
Status: active

Same first word

aco.cn

aco.hr

aco.co.uk

aco.nl

aco.report

aco.net.au

aco.io

aco.mn

aco.pl

aco.ca

aco.al

aco.ge

aco.com.hr

aco.fm

aco.com.es

aco.uz

aco.com.sv

aco.ac

aco.cz

aco.be

aco.sc

aco.gr.jp

aco.tn

aco.com.ua

aco.co

aco.email

aco.nu

aco.gr

aco.tv

aco.biz

aco.lu

aco.sd

aco.is

aco.cr

aco.in.net

aco.id

aco.lt

aco.rs

aco.ee

aco.eu

aco.com.au

aco.hu

aco.co.jp

aco.si

aco.org

aco.mx

aco.com.uy

aco.com.pe

aco.careers

aco.digital

aco.at

aco.fo

aco.ch

aco.jobs

aco.com.cn

aco.zone

aco.ir

aco.solutions

aco.ly

aco.org.br

aco.bg

aco.care

aco.bt

aco.fi

aco.ai

aco.org.au

aco.lv

aco.vision

aco.hk

aco.ba

aco.us

aco.bz

aco.kr

aco.co.za

aco.it

aco.com.ly

aco.me

aco.tel

aco.to

aco.com.gt

aco.dk

aco.pt

aco.systems

aco.ma

aco.ro

aco.info

aco.ec

aco.in

aco.es

aco.sk

aco.com.ru

aco.se

aco.shop

aco.ru

aco.business

aco.ae

aco.s3.amazonaws.com

aco.cpa

aco.mobi

aco.ua

aco.de

aco.co.mz

aco.kg

aco.sg

aco.jo

aco.com

aco.com.lb

aco.cl

aco.ltd

aco.com.eg

aco

aco.ne.jp

aco.ie

aco.net

aco.com.gr

aco.ps

Similar names

oca.ru

cao.cc

oac.com.tr

aoc.edu.vn

coa.in

cao.co.za

oca.fr

oca.de

cao.com.au

oca.net.au

coa.company

cao.org.es

oca.com.my

oca.fi

cao.at

oca.co.jp

oac.hu

aoc.by

cao.ws

oca.solutions

coa.de

cao.sk

aoc.com.de

aoc.cat

oac.cc

coa.se

cao.ru

coa.ad

aoc.es

oca.com.ar

oac.church

cao.cx

aoc.tv

oac.info

oac.main.jp

oca.dk

oac.ie

oac.al.gov.br

aoc.cz

oca.net

oca.org.nz

cao.rocks

coa.net

oac.club

coa.wiki

oca.at

aoc.de

coa.ac.jp

oca.gr

oca.do

oca.lu

cao.lu

cao.org.br

coa.ch

cao.de

cao.nl

aoc.ca

coa.info

oca.life

aoc.ec

oca.pl

cao.tech

oca.expert

cao.be

cao.us

oca.com.ua

coa.org.vn

coa.ge

aoc.international

aoc.fm

oca.company

aoc.pl

aoc.gov.tw

DNS History

13 records (7 active, 6 former)

●NSerin.ns.cloudflare.com2026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 16:36:38
● 2026-07-17 07:56:26

●NSken.ns.cloudflare.com2026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 16:36:38
● 2026-07-17 07:56:26

●MXaco-cpa.mail.protection.outlook.com2026-06-12 → 2026-07-17 · 2 obs

● 2026-06-12 16:36:38
● 2026-07-17 07:56:26

●A104.21.41.692026-06-12 → 2026-07-17 · 4 obs

● 2026-06-12 16:36:38
○ 2026-06-18 00:03:02
● 2026-06-18 11:44:34
● 2026-07-17 07:56:26

●A172.67.189.1992026-06-12 → 2026-07-17 · 4 obs

● 2026-06-12 16:36:38
○ 2026-06-18 00:03:02
● 2026-06-18 11:44:34
● 2026-07-17 07:56:26

○A188.114.96.02026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-12 16:36:38
● 2026-06-18 00:03:02
○ 2026-06-18 11:44:34
○ 2026-07-17 07:56:26

○A188.114.97.02026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-12 16:36:38
● 2026-06-18 00:03:02
○ 2026-06-18 11:44:34
○ 2026-07-17 07:56:26

●A2606:4700:3031::6815:29452026-06-23 → 2026-07-17 · 3 obs

○ 2026-06-18 11:44:34
● 2026-06-23 06:33:36
● 2026-07-17 07:56:26

○A2606:4700:3033::ac43:bdc72026-06-12 → 2026-06-18 · 5 obs

● 2026-06-12 16:36:38
○ 2026-06-18 00:03:02
● 2026-06-18 11:44:34
○ 2026-06-23 06:33:36
○ 2026-07-17 07:56:26

○A2606:4700:3036::6815:29452026-06-12 → 2026-06-18 · 5 obs

● 2026-06-12 16:36:38
○ 2026-06-18 00:03:02
● 2026-06-18 11:44:34
○ 2026-06-23 06:33:36
○ 2026-07-17 07:56:26

●A2606:4700:3037::ac43:bdc72026-06-23 → 2026-07-17 · 3 obs

○ 2026-06-18 11:44:34
● 2026-06-23 06:33:36
● 2026-07-17 07:56:26

○A2a06:98c1:3120::2026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-12 16:36:38
● 2026-06-18 00:03:02
○ 2026-06-18 11:44:34
○ 2026-07-17 07:56:26

○A2a06:98c1:3121::2026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-12 16:36:38
● 2026-06-18 00:03:02
○ 2026-06-18 11:44:34
○ 2026-07-17 07:56:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cpa	a.nic.cpa, b.nic.cpa, c.nic.cpa, x.nic.cpa...	12 records
aco.cpa	ken.ns.cloudflare.com, erin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.127

NS records: ken.ns.cloudflare.com, erin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for aco.cpa (unsigned zone)

⏱️ Timing

Total: 1381ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.69, 172.67.189.199`
AAAA	2	`2606:4700:3031::6815:2945, 2606:4700:3037::ac43:bdc7`
NS	2	`erin.ns.cloudflare.com, ken.ns.cloudflare.com`
MX	1	`aco-cpa.mail.protection.outlook.com (pri`
TXT	3	`MS=ms96686198, knowbe4-site-verification=2e652c9821272b...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`erin.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.cpa, a.nic.cpa, b.nic.cpa...)

Analysis

IP Addresses

aco.cpa has four IP addresses: 104.21.41.69, 172.67.189.199, 2606:4700:3031::6815:2945 and 2606:4700:3037::ac43:bdc7.

Among the host names that share IP numbers with aco.cpa are kzfnsemcdxxsq.website, msstravnik.net, gop-google.com.cn and two others.

Name Servers

Two name servers handle the delegation for aco.cpa: erin.ns.cloudflare.com and ken.ns.cloudflare.com.

aco.cpa has the same name server delegation as a number of other domains, such as beadelectronics.com, lynegiroux.com, belvue.com.au and two more.

aco.cpa has at least partial name server overlap with other domains, such as firstbalfour.com, henny-crea.nl, beste-de-casinos.com and two others.

These name servers are routinely co-deployed with the name servers lisa.ns.cloudflare.com, ivan.ns.cloudflare.com, ns1.colocrossing.com and two others.

Host names resolving to 6 IP numbers:

erin.ns.cloudflare.com resolves to 108.162.192.113, 172.64.32.113 and 173.245.58.113 among others, with 3 other IP addresses in total.

ken.ns.cloudflare.com resolves to 108.162.193.127, 172.64.33.127 and 173.245.59.127 among others, with 3 other IP addresses in total.

Mail Servers

aco.cpa routes its mail through a single mail server, aco-cpa.mail.protection.outlook.com.

aco-cpa.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.10.6, 52.101.10.18 and 52.101.40.4, along with 5 other.

aco.cpa - robtex.com

aco.cpa

cpa

aco.cpa

Key facts

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`aco.cpa`

`cpa`