cotbr.org - dns.ninja

cotbr.org

DNSSEC⚠️ Not signed
A2600:1f16:e7a:5002:6072:45e9:9fd0:3bebπŸ‡ΊπŸ‡Έ Amazon2600:1f16:c00::/38 AMAZON AWS βœ“ In HTTPS hints
A3.129.13.162πŸ‡ΊπŸ‡Έ Amazon3.128.0.0/15 EC2 CMH prefix βœ“ In HTTPS hints
NSdns2.ezot.com ⭐ ⚠️ Not in parent delegation
A44.229.104.104πŸ‡ΊπŸ‡Έ Amazon44.224.0.0/11 EC2 PDX prefix
PTRec2-44-229-104-104.us-west-2.compute.amazonaws.com
NSdns.bizsiteservice.com ⚠️ Not in zone NS records
A2600:1f16:e7a:5000:145a:29bb:458a:27bbπŸ‡ΊπŸ‡Έ Amazon2600:1f16:c00::/38 AMAZON AWS
A3.19.51.56πŸ‡ΊπŸ‡Έ Amazon3.16.0.0/14 EC2 CMH prefix
PTRec2-3-19-51-56.us-east-2.compute.amazonaws.com
NSdns.ezot.com ⚠️ Not in parent delegation
A3.19.51.56πŸ‡ΊπŸ‡Έ Amazon3.16.0.0/14 EC2 CMH prefix
PTRec2-3-19-51-56.us-east-2.compute.amazonaws.com
NSdns2.bizsiteservice.com ⚠️ Not in zone NS records
A2600:1f13:b23:5f00:90a7:bd94:1ad1:e404πŸ‡ΊπŸ‡Έ Amazon2600:1f13::/36 EC2 PDX prefix
A44.229.104.104πŸ‡ΊπŸ‡Έ Amazon44.224.0.0/11 EC2 PDX prefix
PTRec2-44-229-104-104.us-west-2.compute.amazonaws.com
MXx34.b5z.net ⭐
A69.7.174.58πŸ‡ΊπŸ‡Έ DATABANK69.7.160.0/19 Databank HOU
PTRw58.ezot.com
MXx50.b5z.net(20)
A18.191.44.123πŸ‡ΊπŸ‡Έ Amazon18.191.0.0/16 EC2 CMH prefix
PTRec2-18-191-44-123.us-east-2.compute.amazonaws.com
TXTv=spf1 mx ip4:69.7.164.160/24 ip4:69.7.169.70/24 ip4:69.7.180.116/24 ip4:69.7...
HTTPSHTTP/2, HTTP/3 βœ“ hints match
IPv4 hints3.129.13.162
IPv6 hints2600:1f16:e7a:5002:6072:45e9:9fd0:3beb
SOAdns.ezot.comdns@ezot.com serial=20260512

org

DNSSECπŸ”’ Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785359797

Subdomains

Same first word

Similar names

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSdns.bizsiteservice.comdns.ezot.comdns2.bizsiteservice.comdns2.ezot.comMXx34.b5z.netx50.b5z.netmail34.ezot.comx34.bizsiteservice.comx50.bizsiteservice.comA2600:1f16:e7a:5002:6072:45e9:9fd0:3beb3.129.13.16269.7.179.23469.7.180.119
●NSdns.bizsiteservice.com2015-06-04 β†’ 2026-07-29 Β· 2 obs
● 2015-06-04 21:16:18
● 2026-07-29 21:45:32
●NSdns.ezot.com2026-04-16 β†’ 2026-07-29 Β· 3 obs
β—‹ 2015-06-04 21:16:18
● 2026-04-16 00:08:46
● 2026-07-29 21:45:32
●NSdns2.bizsiteservice.com2015-06-04 β†’ 2026-07-29 Β· 2 obs
● 2015-06-04 21:16:18
● 2026-07-29 21:45:32
●NSdns2.ezot.com2026-04-16 β†’ 2026-07-29 Β· 3 obs
β—‹ 2015-06-04 21:16:18
● 2026-04-16 00:08:46
● 2026-07-29 21:45:32
β—‹MXmail34.ezot.com2015-06-04 β†’ 2018-07-24 Β· 4 obs
● 2015-06-04 21:16:18
● 2018-07-24 16:53:14
β—‹ 2026-02-19 16:17:10
β—‹ 2026-07-29 21:45:32
●MXx34.b5z.net2026-04-07 β†’ 2026-07-29 Β· 3 obs
β—‹ 2026-03-29 12:34:22
● 2026-04-07 12:52:20
● 2026-07-29 21:45:32
β—‹MXx34.bizsiteservice.com2026-02-19 β†’ 2026-03-29 Β· 5 obs
β—‹ 2018-07-24 16:53:14
● 2026-02-19 16:17:10
● 2026-03-29 12:34:22
β—‹ 2026-04-07 12:52:20
β—‹ 2026-07-29 21:45:32
●MXx50.b5z.net2026-04-07 β†’ 2026-07-29 Β· 3 obs
β—‹ 2026-03-29 12:34:22
● 2026-04-07 12:52:20
● 2026-07-29 21:45:32
β—‹MXx50.bizsiteservice.com2015-06-04 β†’ 2026-03-29 Β· 4 obs
● 2015-06-04 21:16:18
● 2026-03-29 12:34:22
β—‹ 2026-04-07 12:52:20
β—‹ 2026-07-29 21:45:32
●A2600:1f16:e7a:5002:6072:45e9:9fd0:3beb2026-02-26 β†’ 2026-07-29 Β· 3 obs
β—‹ 2026-02-19 16:17:10
● 2026-02-26 16:58:10
● 2026-07-29 21:45:32
●A3.129.13.1622026-02-19 β†’ 2026-07-29 Β· 3 obs
β—‹ 2018-07-24 16:53:14
● 2026-02-19 16:17:10
● 2026-07-29 21:45:32
β—‹A69.7.179.2342018-07-24 β†’ 2018-07-24 Β· 4 obs
β—‹ 2017-02-01 04:31:00
● 2018-07-24 16:53:14
β—‹ 2026-02-19 16:17:10
β—‹ 2026-07-29 21:45:32
β—‹A69.7.180.1192015-06-04 β†’ 2017-02-01 Β· 4 obs
● 2015-06-04 21:16:18
● 2017-02-01 04:31:00
β—‹ 2018-07-24 16:53:14
β—‹ 2026-07-29 21:45:32

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cotbr.orgdns2.bizsiteservice.com, dns.bizsiteservice.com-

βœ… Authoritative Response

Server:44.229.104.104

NS records: dns2.bizsiteservice.com, dns.bizsiteservice.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotbr.org (unsigned zone)

⏱️ Timing

Total: 533ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A13.129.13.162
AAAA12600:1f16:e7a:5002:6072:45e9:9fd0:3beb
NS2dns.ezot.com, dns2.ezot.com
MX2x34.b5z.net (pri: 5), x50.b5z.net (pri: 20)
TXT1v=spf1 mx ip4:69.7.164.160/24 ip4:69.7.1
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1dns.ezot.com dns.ezot.com

Analysis

Hierarchy

cotbr.org is a parent domain of www.cotbr.org.

IP Addresses

cotbr.org resolves to the IP addresses 3.129.13.162 and 2600:1f16:e7a:5002:6072:45e9:9fd0:3beb

Two other host names, along with graceaburr.com, deckersonline.com and wylieinsurance.net, also share IP numbers with cotbr.org.

Name Servers

The NS records for cotbr.org point to four name servers: dns2.bizsiteservice.com, dns.bizsiteservice.com, dns2.ezot.com and dns.ezot.com.

cotbr.org shares at least some of its name servers with other domains, including mlch.org, amerisur-shipping.com, gorton-valves.com and two others.

Host names that have two IP addresses:

dns2.bizsiteservice.com points to 44.229.104.104 and 2600:1f13:b23:5f00:90a7:bd94:1ad1:e404.

dns.bizsiteservice.com points to 3.19.51.56 and 2600:1f16:e7a:5000:145a:29bb:458a:27bb.

Host names that point to one IP address:

dns2.ezot.com points to 44.229.104.104.

dns.ezot.com points to 3.19.51.56.

dns2.bizsiteservice.com and dns2.ezot.com are host names that each point to 44.229.104.104 IP addresses.

dns.bizsiteservice.com and dns.ezot.com are host names that each point to 3.19.51.56 IP addresses.

Mail Servers

cotbr.org is served by two mail servers, x34.b5z.net and x50.b5z.net.

Among the domains sharing a mail server setup with cotbr.org are netbustercorp.com, cuemonster.com, thestonestudio.com and two others.

There is at least a partial MX overlap between cotbr.org and other domains, including conmedstore.com, hitmenes.com, cat5ecableguy.com and two others.

x34.b5z.net and x50.b5z.net each resolve to one IP number: x34.b5z.net points to 69.7.174.58 and x50.b5z.net points to 18.191.44.123.