cotarr.com - dns.ninja

`cotarr.com`

DNSSEC	⚠️ Not signed
A	2604:a880:800:10::588:e001^{🇺🇸 DIGITALOCEAN2604:a880:800::/48 DigitalOcean}
		PTR	`door3.cotarr.net`
A	104.236.42.231^{🇺🇸 DIGITALOCEAN104.236.0.0/18 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`door1.cotarr.net` ⭐
		A	2604:a880:800:10::328:2001^{🇺🇸 DIGITALOCEAN2604:a880:800::/48 DigitalOcean}
			PTR	`door1.cotarr.net`
		A	104.236.231.199^{🇺🇸 DIGITALOCEAN104.236.192.0/18 DigitalOcean}
			PTR	`door1.cotarr.net`
TXT	`v=spf1 mx -all`
SOA	`ns1.digitalocean.com`hostmaster@cotarr.com serial=0

`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=1781813040

Subdomains

www.cotarr.com

Same first word

cotarr.com

cotarr.net

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DNS History

16 records (6 active, 10 former)

○NShidden-master.yahoo.com2015-05-19 → 2016-03-25 · 4 obs

● 2015-05-19 08:35:28
● 2016-03-25 07:41:10
○ 2016-07-26 17:54:50
○ 2026-06-18 20:07:10

●NSns1.digitalocean.com2016-07-26 → 2026-06-18 · 3 obs

○ 2016-03-25 07:41:10
● 2016-07-26 17:54:50
● 2026-06-18 20:07:10

●NSns2.digitalocean.com2016-07-26 → 2026-06-18 · 3 obs

○ 2016-03-25 07:41:10
● 2016-07-26 17:54:50
● 2026-06-18 20:07:10

●NSns3.digitalocean.com2016-07-26 → 2026-06-18 · 3 obs

○ 2016-03-25 07:41:10
● 2016-07-26 17:54:50
● 2026-06-18 20:07:10

○NSyns1.yahoo.com2015-05-19 → 2016-03-25 · 4 obs

● 2015-05-19 08:35:28
● 2016-03-25 07:41:10
○ 2016-07-26 17:54:50
○ 2026-06-18 20:07:10

○NSyns2.yahoo.com2015-05-19 → 2016-03-25 · 4 obs

● 2015-05-19 08:35:28
● 2016-03-25 07:41:10
○ 2016-07-26 17:54:50
○ 2026-06-18 20:07:10

●MXdoor1.cotarr.net2017-04-04 → 2026-06-18 · 3 obs

○ 2016-07-26 17:54:50
● 2017-04-04 01:21:04
● 2026-06-18 20:07:10

○MXdoor2.cotarr.com2016-07-26 → 2016-07-26 · 4 obs

○ 2016-03-25 07:41:10
● 2016-07-26 17:54:50
○ 2017-04-04 01:21:04
○ 2026-06-18 20:07:10

○MXdoor2.cotarr.net2017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-26 17:54:50
● 2017-04-04 01:21:04
○ 2026-02-22 08:23:58
○ 2026-06-18 20:07:10

○MXmx-biz.mail.am0.yahoodns.net2015-05-19 → 2016-03-25 · 4 obs

● 2015-05-19 08:35:28
● 2016-03-25 07:41:10
○ 2016-07-26 17:54:50
○ 2026-06-18 20:07:10

●A104.236.42.2312026-02-22 → 2026-06-18 · 3 obs

○ 2017-04-04 01:21:04
● 2026-02-22 08:23:58
● 2026-06-18 20:07:10

○A159.203.119.742016-07-26 → 2017-04-04 · 5 obs

○ 2016-03-25 07:41:10
● 2016-07-26 17:54:50
● 2017-04-04 01:21:04
○ 2026-02-22 08:23:58
○ 2026-06-18 20:07:10

●A2604:a880:800:10::588:e0012026-02-22 → 2026-06-18 · 3 obs

○ 2017-04-04 01:21:04
● 2026-02-22 08:23:58
● 2026-06-18 20:07:10

○A2604:a880:800:a1::15f:40012016-07-26 → 2017-04-04 · 5 obs

○ 2016-03-25 07:41:10
● 2016-07-26 17:54:50
● 2017-04-04 01:21:04
○ 2026-02-22 08:23:58
○ 2026-06-18 20:07:10

○A98.139.135.1292015-10-14 → 2016-03-25 · 5 obs

○ 2015-05-19 08:35:28
● 2015-10-14 02:00:06
● 2016-03-25 07:41:10
○ 2016-07-26 17:54:50
○ 2026-06-18 20:07:10

○A98.139.135.1982015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 08:35:28
○ 2015-10-14 02:00:06
○ 2026-06-18 20:07:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cotarr.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.49.209

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotarr.com (unsigned zone)

⏱️ Timing

Total: 175ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.236.42.231`
AAAA	1	`2604:a880:800:10::588:e001`
NS	3	`ns2.digitalocean.com, ns1.digitalocean.com...`
MX	1	`door1.cotarr.net (pri: 1)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns1.digitalocean.com hostmaster.cotarr.c`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

Hierarchy

cotarr.com is a parent domain of www.cotarr.com.

IP Addresses

cotarr.com directs to two IP numbers, 104.236.42.231 and 2604:a880:800:10::588:e001

Host names such as door3.cotarr.net and www.cotarr.com share IP numbers with cotarr.com.

Name Servers

cotarr.com is delegated to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

cotarr.com shares at least some of its name servers with other domains, including tasktheory.com, ensinobrasil.com.br, 30.68.138.in-addr.arpa and two others.

ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each resolve to two IP addresses: ns1.digitalocean.com resolves to 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

Mail for cotarr.com is handled by a single mail server, door1.cotarr.net.

door1.cotarr.net points to two IP addresses: 104.236.231.199 and 2604:a880:800:10::328:2001.