cotk.us - dns.ninja

cotk.us

DNSSECโš ๏ธ Not signed
A77.83.141.16๐Ÿ‡บ๐Ÿ‡ธ FLYIO-177.83.140.0/22 Fly.io Edge Network
PTRip-77-83-141-16.customer.flyio.net
NSns1.bluehost.com โญ
A162.159.24.80Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.bluehost.com
NSns2.bluehost.com
A162.159.25.175Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.bluehost.com
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c1b::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A142.251.167.27๐Ÿ‡บ๐Ÿ‡ธ Google142.251.167.0/24
PTRww-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.27๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b๐Ÿ‡ง๐Ÿ‡ช Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTv=spf1 a mx ptr include:bluehost.com ?all
SOAns1.bluehost.comroot@box2137.bluehost.com 2025-10-29 #14

us

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.cctld.us โญ
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1783823493

Same first word

Similar names

DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns1.bluehost.comns2.bluehost.comns1.accountsupport.comns2.accountsupport.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.cotk.usA77.83.141.1665.254.227.22465.254.238.13869.195.124.191
โ—‹NSns1.accountsupport.com2015-07-13 โ†’ 2017-02-14 ยท 4 obs
โ— 2015-07-13 10:50:24
โ— 2017-02-14 00:55:04
โ—‹ 2019-04-06 20:44:04
โ—‹ 2026-07-12 02:48:20
โ—NSns1.bluehost.com2019-04-06 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ— 2026-07-12 02:48:20
โ—‹NSns2.accountsupport.com2015-07-13 โ†’ 2017-02-14 ยท 4 obs
โ— 2015-07-13 10:50:24
โ— 2017-02-14 00:55:04
โ—‹ 2019-04-06 20:44:04
โ—‹ 2026-07-12 02:48:20
โ—NSns2.bluehost.com2019-04-06 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ— 2026-07-12 02:48:20
โ—MXalt1.aspmx.l.google.com2019-04-06 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ— 2026-07-12 02:48:20
โ—MXalt2.aspmx.l.google.com2019-04-06 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ— 2026-07-12 02:48:20
โ—MXalt3.aspmx.l.google.com2019-04-06 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ— 2026-07-12 02:48:20
โ—MXalt4.aspmx.l.google.com2019-04-06 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ— 2026-07-12 02:48:20
โ—MXaspmx.l.google.com2019-04-06 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ— 2026-07-12 02:48:20
โ—‹MXmx.cotk.us2015-07-13 โ†’ 2017-02-14 ยท 4 obs
โ— 2015-07-13 10:50:24
โ— 2017-02-14 00:55:04
โ—‹ 2019-04-06 20:44:04
โ—‹ 2026-07-12 02:48:20
โ—‹A65.254.227.2242016-06-27 โ†’ 2017-02-14 ยท 5 obs
โ—‹ 2016-03-01 02:47:18
โ— 2016-06-27 00:59:34
โ— 2017-02-14 00:55:04
โ—‹ 2019-04-06 20:44:04
โ—‹ 2026-07-12 02:48:20
โ—‹A65.254.238.1382015-07-13 โ†’ 2016-03-01 ยท 4 obs
โ— 2015-07-13 10:50:24
โ— 2016-03-01 02:47:18
โ—‹ 2016-06-27 00:59:34
โ—‹ 2026-07-12 02:48:20
โ—‹A69.195.124.1912019-04-06 โ†’ 2019-04-06 ยท 4 obs
โ—‹ 2017-02-14 00:55:04
โ— 2019-04-06 20:44:04
โ—‹ 2026-04-20 07:25:58
โ—‹ 2026-07-12 02:48:20
โ—A77.83.141.162026-04-20 โ†’ 2026-07-12 ยท 3 obs
โ—‹ 2019-04-06 20:44:04
โ— 2026-04-20 07:25:58
โ— 2026-07-12 02:48:20

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
cotk.usns1.bluehost.com, ns2.bluehost.com-

โœ… Authoritative Response

Server:162.159.24.80

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

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for cotk.us (unsigned zone)

โฑ๏ธ Timing

Total: 503ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A177.83.141.16
NS2ns2.bluehost.com, ns1.bluehost.com
MX5alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)...
TXT1v=spf1 a mx ptr include:bluehost.com ?al
SOA1ns1.bluehost.com root.box2137.bluehost.c

Analysis

IP Addresses

cotk.us resolves to just one IP address, 77.83.141.16.

Two other host names, along with athome.school, agapegospelmission.com and northraleighchurch.org, also share IP numbers with cotk.us.

Name Servers

cotk.us is served by two delegated name servers, ns1.bluehost.com and ns2.bluehost.com.

cotk.us shares its NS records with other domains, for example lifecouple.net, screwfoot.com, gothamista.com and two others.

cotk.us and other domains like prague2go.co.il, gexaa.com and powelldevelopment.com share some name servers

ns1.bluehost.com directs to 162.159.24.80 and ns2.bluehost.com directs to 162.159.25.175; each host name points to exactly one IP number.

Mail Servers

cotk.us is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between cotk.us and other domains, including primacol.com.br, youget.it, sinsiarge.com and two others.

alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

aspmx.l.google.com maps to two IP addresses โ€” 142.251.167.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com maps to two IP addresses โ€” 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses โ€” 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses โ€” 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com maps to two IP addresses โ€” 172.253.157.26 and 2a00:1450:400c:c23::1b.