coa2.com - dns.ninja

`coa2.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:5eb1^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8b13^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.177^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.19^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dean.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c199^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2199^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dean.ns.cloudflare.com`
		A	108.162.193.153^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	172.64.33.153^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	173.245.59.153^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
NS	`kim.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
MX	`_dc-mx.cb616f342f75.coa2.com` ⭐
		A	82.10.244.228^{🇬🇧 NTL82.8.0.0/14 VIRGIN-MEDIA-UK-IP-BLOCK}
			PTR	`cpc155867-brmb13-2-0-cust227.1-3.cable.virginm.net`
TXT	`MS=ms53444569`
TXT	`v=spf1 include:singeropinions.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.177, 172.67.139.19
		IPv6 hints	2606:4700:3034::6815:5eb1, 2606:4700:3035::ac43:8b13
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOA	`dean.ns.cloudflare.com`dns@cloudflare.com serial=2408224336

`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=1782861581

Previously MX for

coa2.com

Subdomains

cb616f342f75.coa2.com

dc-a024c4dc5c50.coa2.com

Same first word

coa2.co.jp

coa2.com

Similar names

a2co.jp

ac2o.fr

cao2.net

c2ao.com

ac2o.com

2cao.net

c2oa.com

oca2.com

2cao.com

ao2c.fr

a2oc.net

2aco.com

o2ac.com

o2ca.com

oa2c.com

aco2.com

a2co.com

ao2c.com

2coa.com

a2co.net

2cao.fr

a2co.org

aoc2.com

ca2o.com

cao2.com

aco2.jp

ao2c.org

DNS History

31 records (7 active, 24 former)

●NSdean.ns.cloudflare.com2026-03-31 → 2026-06-30 · 3 obs

○ 2020-02-01 17:58:24
● 2026-03-31 08:56:14
● 2026-06-30 23:48:08

○NSdora.ns.cloudflare.com2020-02-01 → 2020-02-01 · 4 obs

○ 2017-03-15 01:46:20
● 2020-02-01 17:58:24
○ 2026-03-31 08:56:14
○ 2026-06-30 23:48:08

●NSkim.ns.cloudflare.com2026-03-31 → 2026-06-30 · 3 obs

○ 2020-02-01 17:58:24
● 2026-03-31 08:56:14
● 2026-06-30 23:48:08

○NSns19.domaincontrol.com2015-07-08 → 2016-07-19 · 5 obs

○ 2008-03-19 10:37:52
● 2015-07-08 21:07:44
● 2016-07-19 23:32:52
○ 2017-03-15 01:46:20
○ 2026-06-30 23:48:08

○NSns20.domaincontrol.com2015-07-08 → 2016-07-19 · 5 obs

○ 2008-03-19 10:37:52
● 2015-07-08 21:07:44
● 2016-07-19 23:32:52
○ 2017-03-15 01:46:20
○ 2026-06-30 23:48:08

○NSns43.domaincontrol.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:37:52
○ 2015-07-08 21:07:44
○ 2026-06-30 23:48:08

○NSns44.domaincontrol.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:37:52
○ 2015-07-08 21:07:44
○ 2026-06-30 23:48:08

○NSns45.domaincontrol.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-19 23:32:52
● 2017-03-15 01:46:20
○ 2020-02-01 17:58:24
○ 2026-06-30 23:48:08

○NSns46.domaincontrol.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-19 23:32:52
● 2017-03-15 01:46:20
○ 2020-02-01 17:58:24
○ 2026-06-30 23:48:08

○NSray.ns.cloudflare.com2020-02-01 → 2020-02-01 · 4 obs

○ 2017-03-15 01:46:20
● 2020-02-01 17:58:24
○ 2026-03-31 08:56:14
○ 2026-06-30 23:48:08

●MX_dc-mx.cb616f342f75.coa2.com2026-03-31 → 2026-06-30 · 3 obs

○ 2020-02-01 17:58:24
● 2026-03-31 08:56:14
● 2026-06-30 23:48:08

○MXcoa2.com2015-07-08 → 2017-03-15 · 5 obs

○ 2008-03-19 10:37:52
● 2015-07-08 21:07:44
● 2017-03-15 01:46:20
○ 2020-02-01 17:58:24
○ 2026-06-30 23:48:08

○MXdc-a024c4dc5c50.coa2.com2020-02-01 → 2020-02-01 · 4 obs

○ 2017-03-15 01:46:20
● 2020-02-01 17:58:24
○ 2026-03-31 08:56:14
○ 2026-06-30 23:48:08

○MXmailstore1.secureserver.net2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:37:52
○ 2015-07-08 21:07:44
○ 2026-06-30 23:48:08

○MXsmtp.secureserver.net2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 10:37:52
○ 2015-07-08 21:07:44
○ 2026-06-30 23:48:08

●A104.21.94.1772026-03-31 → 2026-06-30 · 6 obs

○ 2020-02-01 17:58:24
● 2026-03-31 08:56:14
● 2026-04-06 18:37:26
○ 2026-04-07 19:11:26
● 2026-04-08 16:10:38
● 2026-06-30 23:48:08

○A104.27.158.2492020-02-01 → 2020-02-01 · 4 obs

○ 2017-03-15 01:46:20
● 2020-02-01 17:58:24
○ 2026-03-31 08:56:14
○ 2026-06-30 23:48:08

○A104.27.159.2492020-02-01 → 2020-02-01 · 4 obs

○ 2017-03-15 01:46:20
● 2020-02-01 17:58:24
○ 2026-03-31 08:56:14
○ 2026-06-30 23:48:08

●A172.67.139.192026-03-31 → 2026-06-30 · 6 obs

○ 2020-02-01 17:58:24
● 2026-03-31 08:56:14
● 2026-04-06 18:37:26
○ 2026-04-07 19:11:26
● 2026-04-08 16:10:38
● 2026-06-30 23:48:08

○A188.114.96.02026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 18:37:26
● 2026-04-07 19:11:26
○ 2026-04-08 16:10:38
○ 2026-06-30 23:48:08

○A188.114.97.02026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 18:37:26
● 2026-04-07 19:11:26
○ 2026-04-08 16:10:38
○ 2026-06-30 23:48:08

○A2606:4700:3031::ac43:8b132026-03-31 → 2026-06-08 · 8 obs

○ 2020-02-01 17:58:24
● 2026-03-31 08:56:14
● 2026-04-06 18:37:26
○ 2026-04-07 19:11:26
● 2026-04-08 16:10:38
● 2026-06-08 15:04:56
○ 2026-06-30 15:24:14
○ 2026-06-30 23:48:08

○A2606:4700:3032::681b:9ff92020-02-01 → 2020-02-01 · 4 obs

○ 2017-03-15 01:46:20
● 2020-02-01 17:58:24
○ 2026-03-31 08:56:14
○ 2026-06-30 23:48:08

●A2606:4700:3034::6815:5eb12026-06-30 → 2026-06-30 · 3 obs

○ 2026-06-08 15:04:56
● 2026-06-30 15:24:14
● 2026-06-30 23:48:08

○A2606:4700:3035::6815:5eb12026-03-31 → 2026-06-08 · 8 obs

○ 2020-02-01 17:58:24
● 2026-03-31 08:56:14
● 2026-04-06 18:37:26
○ 2026-04-07 19:11:26
● 2026-04-08 16:10:38
● 2026-06-08 15:04:56
○ 2026-06-30 15:24:14
○ 2026-06-30 23:48:08

●A2606:4700:3035::ac43:8b132026-06-30 → 2026-06-30 · 3 obs

○ 2026-06-08 15:04:56
● 2026-06-30 15:24:14
● 2026-06-30 23:48:08

○A2606:4700:3037::681b:9ef92020-02-01 → 2020-02-01 · 4 obs

○ 2017-03-15 01:46:20
● 2020-02-01 17:58:24
○ 2026-03-31 08:56:14
○ 2026-06-30 23:48:08

○A2a06:98c1:3120::2026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 18:37:26
● 2026-04-07 19:11:26
○ 2026-04-08 16:10:38
○ 2026-06-30 23:48:08

○A2a06:98c1:3121::2026-04-07 → 2026-04-07 · 4 obs

○ 2026-04-06 18:37:26
● 2026-04-07 19:11:26
○ 2026-04-08 16:10:38
○ 2026-06-30 23:48:08

○A81.111.251.2452017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-19 23:32:52
● 2017-03-15 01:46:20
○ 2020-02-01 17:58:24
○ 2026-06-30 23:48:08

○A86.13.255.2462015-07-08 → 2016-07-19 · 5 obs

○ 2008-03-19 10:37:52
● 2015-07-08 21:07:44
● 2016-07-19 23:32:52
○ 2017-03-15 01:46:20
○ 2026-06-30 23:48:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
coa2.com	kim.ns.cloudflare.com, dean.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.153

NS records: kim.ns.cloudflare.com, dean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coa2.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.19, 104.21.94.177`
AAAA	2	`2606:4700:3035::ac43:8b13, 2606:4700:3034::6815:5eb1`
NS	2	`dean.ns.cloudflare.com, kim.ns.cloudflare.com`
MX	1	`_dc-mx.cb616f342f75.coa2.com (pri: 0)`
TXT	2	`MS=ms53444569, v=spf1 include:singeropinions.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

cb616f342f75.coa2.com and dc-a024c4dc5c50.coa2.com each fall under coa2.com as their parent domain.

IP Addresses

coa2.com has four IP addresses: 104.21.94.177, 172.67.139.19, 2606:4700:3034::6815:5eb1 and 2606:4700:3035::ac43:8b13.

Two other host names, along with bennyparsonsathleticcomplex.com, electricimpulse.com and chainhuaducanh.com, also share IP numbers with coa2.com.

Name Servers

coa2.com is delegated to two name servers: dean.ns.cloudflare.com and kim.ns.cloudflare.com.

coa2.com shares its NS records with other domains, for example coiga.org, shockmedia.pl, orkiss.biz and two others.

coa2.com has at least partial name server overlap with other domains, such as xiaoshentan.cn, westernbeam.com, kiwipharma.com and two others.

These name servers tend to appear together with the name servers casey.ns.cloudflare.com, diva.ns.cloudflare.com and walt.ns.cloudflare.com.

DNS names with 6 IP addresses:

dean.ns.cloudflare.com resolves to 108.162.193.153, 172.64.33.153, 173.245.59.153 and 3 other IP addresses.

kim.ns.cloudflare.com resolves to 108.162.192.126, 172.64.32.126, 173.245.58.126 and 3 other IP addresses.

Mail Servers

The sole mail server for coa2.com is _dc-mx.cb616f342f75.coa2.com.

_dc-mx.cb616f342f75.coa2.com resolves to a single IP number: 82.10.244.228.