constructr.co - dns.ninja

constructr.co

DNSSEC⚠️ Not signed
A184.168.221.37🇺🇸 GODADDY184.168.128.0/17
PTR37.221.168.184.host.secureserver.net
NSns1.dnsowl.com
A2400:cb00:2049:1::a29f:1a88🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1bad🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.136Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.173Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.dnsowl.com
A2400:cb00:2049:1::a29f:1a31🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b82🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.49Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.130Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.dnsowl.com ⚠️ Not in parent delegation
A2400:cb00:2049:1::a29f:1aea🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b62🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.234Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.27.98Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmx4.emailowl.com
A207.246.121.203🇺🇸 AS-VULTR207.246.120.0/21 Vultr Assigned Prefix
PTRmx4.emailowl.com
MXmx5.emailowl.com
A45.63.17.188🇺🇸 AS-VULTR45.63.16.0/21 Vultr Assigned Prefix
PTRmx5.emailowl.com
MXmx6.emailowl.com
A107.191.41.169🇺🇸 AS-VULTR107.191.40.0/22 Vultr Assigned Prefix
PTRmx6.emailowl.com
TXTv=spf1 a mx ~all
SOAns1.dnsowl.comhostmaster@dnsowl.com serial=1785151608

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759717493

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSns1.dnsowl.comns2.dnsowl.comns3.dnsowl.comns71.domaincontrol.comns72.domaincontrol.comMXmx4.emailowl.commx5.emailowl.commx6.emailowl.commailstore1.secureserver.netsmtp.secureserver.netA184.168.221.37
NSns1.dnsowl.com2016-09-16 → 2026-07-27 · 3 obs
○ 2016-03-29 17:53:36
● 2016-09-16 01:42:30
● 2026-07-27 11:31:38
NSns2.dnsowl.com2016-09-16 → 2026-07-27 · 3 obs
○ 2016-03-29 17:53:36
● 2016-09-16 01:42:30
● 2026-07-27 11:31:38
NSns3.dnsowl.com2016-09-16 → 2026-07-27 · 9 obs
○ 2016-03-29 17:53:36
● 2016-09-16 01:42:30
● 2026-02-22 02:45:46
○ 2026-02-22 03:17:22
● 2026-02-22 06:31:26
○ 2026-07-08 13:57:04
● 2026-07-08 14:54:42
○ 2026-07-08 18:36:56
● 2026-07-27 11:31:38
NSns71.domaincontrol.com2015-04-26 → 2016-03-29 · 4 obs
● 2015-04-26 14:47:56
● 2016-03-29 17:53:36
○ 2016-09-16 01:42:30
○ 2026-07-27 11:31:38
NSns72.domaincontrol.com2015-04-26 → 2016-03-29 · 4 obs
● 2015-04-26 14:47:56
● 2016-03-29 17:53:36
○ 2016-09-16 01:42:30
○ 2026-07-27 11:31:38
MXmailstore1.secureserver.net2015-04-26 → 2017-07-08 · 4 obs
● 2015-04-26 14:47:56
● 2017-07-08 15:44:32
○ 2026-02-14 23:10:04
○ 2026-07-27 11:31:38
MXmx4.emailowl.com2026-02-14 → 2026-07-27 · 10 obs
○ 2017-07-08 15:44:32
● 2026-02-14 23:10:04
● 2026-04-09 13:01:04
○ 2026-04-09 17:32:10
● 2026-04-09 20:36:50
● 2026-04-10 10:31:50
○ 2026-04-10 12:42:58
● 2026-04-10 13:32:00
○ 2026-07-08 18:36:56
● 2026-07-27 11:31:38
MXmx5.emailowl.com2026-02-14 → 2026-07-27 · 10 obs
○ 2017-07-08 15:44:32
● 2026-02-14 23:10:04
● 2026-04-09 13:01:04
○ 2026-04-09 17:32:10
● 2026-04-09 20:36:50
● 2026-04-10 10:31:50
○ 2026-04-10 12:42:58
● 2026-04-10 13:32:00
○ 2026-07-08 18:36:56
● 2026-07-27 11:31:38
MXmx6.emailowl.com2026-02-14 → 2026-07-27 · 10 obs
○ 2017-07-08 15:44:32
● 2026-02-14 23:10:04
● 2026-04-09 13:01:04
○ 2026-04-09 17:32:10
● 2026-04-09 20:36:50
● 2026-04-10 10:31:50
○ 2026-04-10 12:42:58
● 2026-04-10 13:32:00
○ 2026-07-08 18:36:56
● 2026-07-27 11:31:38
MXsmtp.secureserver.net2015-04-26 → 2017-07-08 · 4 obs
● 2015-04-26 14:47:56
● 2017-07-08 15:44:32
○ 2026-02-14 23:10:04
○ 2026-07-27 11:31:38
A184.168.221.372015-04-26 → 2026-07-27 · 11 obs
● 2015-04-26 14:47:56
● 2026-02-23 00:02:22
○ 2026-02-23 02:23:10
● 2026-04-08 19:32:48
● 2026-04-10 23:07:50
○ 2026-04-11 01:55:22
● 2026-06-22 10:06:10
○ 2026-06-26 07:51:54
● 2026-07-02 06:10:04
○ 2026-07-08 18:36:56
● 2026-07-27 11:31:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cob.registrydns.co, a.registrydns.co, d.registrydns.co, c.registrydns.co-
constructr.cons1.dnsowl.com, ns2.dnsowl.com-

✅ Authoritative Response

Server:162.159.26.136

NS records: ns1.dnsowl.com, ns2.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constructr.co (unsigned zone)

⏱️ Timing

Total: 269ms | Queries: -

📄 Records

TypeCountSample Data
A1184.168.221.37
NS3ns1.dnsowl.com, ns2.dnsowl.com...
MX3mx4.emailowl.com (pri: 10), mx5.emailowl.com (pri: 10)...
TXT1v=spf1 a mx ~all
SOA1ns1.dnsowl.com hostmaster.dnsowl.com

Analysis

IP Addresses

constructr.co points to a single IP number: 184.168.221.37.

Additional host names — ethosre.info, cupcakehunt.com, holtemail.net and two others — share IP numbers with constructr.co.

Name Servers

Three name servers are authoritative for constructr.co: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

At least some of constructr.co's name servers are shared with other domains, for example jsfmkj.com, movieportal.net, trackcrane.com and two more.

Each of the hosts ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com resolves to four IP addresses: ns1.dnsowl.com points to 162.159.26.136, 162.159.27.173, 2400:cb00:2049:1::a29f:1a88 and 2400:cb00:2049:1::a29f:1bad; ns2.dnsowl.com points to 162.159.26.49, 162.159.27.130, 2400:cb00:2049:1::a29f:1a31 and 2400:cb00:2049:1::a29f:1b82; and ns3.dnsowl.com points to 162.159.26.234, 162.159.27.98, 2400:cb00:2049:1::a29f:1aea and 2400:cb00:2049:1::a29f:1b62.

Mail Servers

The MX records for constructr.co list three mail servers: mx4.emailowl.com, mx5.emailowl.com and mx6.emailowl.com.

constructr.co shares mail servers — at least in part — with other domains, including vivintsafeguard.com, cs-mail.net, sidewalktimes.com and two others.

Three hostnames, one IP address apiece: mx4.emailowl.com resolves to 207.246.121.203, mx5.emailowl.com resolves to 45.63.17.188 and mx6.emailowl.com resolves to 107.191.41.169.