thinkwrite.ca - dns.ninja

thinkwrite.ca

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:3d18🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cd2b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.24Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.43🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbob.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A2803:f800:50::6ca2:c168🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbob.ns.cloudflare.com
A2a06:98c1:50::ac40:2168🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbob.ns.cloudflare.com
A108.162.193.104🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A172.64.33.104🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
A173.245.59.104🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbob.ns.cloudflare.com
NSsloan.ns.cloudflare.com
A2606:4700:50::a29f:2634🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A2803:f800:50::6ca2:c234🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsloan.ns.cloudflare.com
A2a06:98c1:50::ac40:2234🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsloan.ns.cloudflare.com
A108.162.194.52🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A162.159.38.52Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A172.64.34.52🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
MXmx1.mailchannels.net ⭐
A54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
MXmx2.mailchannels.net ⭐
A54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
TXTv=spf1 ip4:184.107.112.67 include:relay.spamshield.io ip4:184.107.112.79 +a +...
TXTv=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.24, 172.67.205.43
IPv6 hints2606:4700:3037::6815:3d18, 2606:4700:3037::ac43:cd2b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com
SOAbob.ns.cloudflare.comdns@cloudflare.com serial=2406522736

ca

DNSSEC🔒 Signed (DS record present)
NSprd-czp-05.corp.cira.ca ⭐
NSany.ca-servers.ca
NSc.ca-servers.ca
NSd.ca-servers.ca
NSj.ca-servers.ca
SOAprd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2607010100

Previously MX for

thinkwrite.ca

Subdomains

mail.thinkwrite.ca

Same first word

thinkwrite.ca
thinkwrite.com.au

Similar names

writethink.com
thewritink.com
henrikwitt.com

DNS History

21 records (8 active, 13 former)

20162017201820192020202120222023202420252026NSbob.ns.cloudflare.comsloan.ns.cloudflare.comns1.panelbox.netns2.panelbox.netns3.panelbox.netns4.panelbox.netw.dns.netnation.comx.dns.netnation.comMXmx1.mailchannels.netmx2.mailchannels.netmail.thinkwrite.cathinkwrite.caA104.21.61.24172.67.205.432606:4700:3037::6815:3d182606:4700:3037::ac43:cd2b184.107.112.79216.185.130.902606:4700:3030::6815:3d182606:4700:3033::ac43:cd2b2607:f748:1301:0:184:107:112:79
●NSbob.ns.cloudflare.com2026-02-16 → 2026-07-01 · 3 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-07-01 01:23:00
○NSns1.panelbox.net2019-12-29 → 2019-12-29 · 4 obs
○ 2017-02-12 17:56:16
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00
○NSns2.panelbox.net2019-12-29 → 2019-12-29 · 4 obs
○ 2017-02-12 17:56:16
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00
○NSns3.panelbox.net2019-12-29 → 2019-12-29 · 4 obs
○ 2017-02-12 17:56:16
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00
○NSns4.panelbox.net2019-12-29 → 2019-12-29 · 4 obs
○ 2017-02-12 17:56:16
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00
●NSsloan.ns.cloudflare.com2026-02-16 → 2026-07-01 · 3 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-07-01 01:23:00
○NSw.dns.netnation.com2015-07-20 → 2016-06-22 · 4 obs
● 2015-07-20 22:15:42
● 2016-06-22 22:45:12
○ 2017-02-12 17:56:16
○ 2026-07-01 01:23:00
○NSx.dns.netnation.com2015-07-20 → 2016-06-22 · 4 obs
● 2015-07-20 22:15:42
● 2016-06-22 22:45:12
○ 2017-02-12 17:56:16
○ 2026-07-01 01:23:00
○MXmail.thinkwrite.ca2019-12-29 → 2019-12-29 · 3 obs
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00
●MXmx1.mailchannels.net2026-02-16 → 2026-07-01 · 3 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-07-01 01:23:00
●MXmx2.mailchannels.net2026-02-16 → 2026-07-01 · 3 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-07-01 01:23:00
○MXthinkwrite.ca2019-12-29 → 2019-12-29 · 3 obs
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00
●A104.21.61.242026-02-16 → 2026-07-01 · 3 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-07-01 01:23:00
●A172.67.205.432026-02-16 → 2026-07-01 · 3 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-07-01 01:23:00
○A184.107.112.792019-12-29 → 2019-12-29 · 4 obs
○ 2017-02-12 17:56:16
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00
○A216.185.130.902015-07-20 → 2016-06-22 · 4 obs
● 2015-07-20 22:15:42
● 2016-06-22 22:45:12
○ 2017-02-12 17:56:16
○ 2026-07-01 01:23:00
○A2606:4700:3030::6815:3d182026-02-16 → 2026-06-14 · 5 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-06-14 22:59:54
○ 2026-06-28 13:10:38
○ 2026-07-01 01:23:00
○A2606:4700:3033::ac43:cd2b2026-02-16 → 2026-06-14 · 5 obs
○ 2019-12-29 18:41:56
● 2026-02-16 06:06:00
● 2026-06-14 22:59:54
○ 2026-06-28 13:10:38
○ 2026-07-01 01:23:00
●A2606:4700:3037::6815:3d182026-06-28 → 2026-07-01 · 3 obs
○ 2026-06-14 22:59:54
● 2026-06-28 13:10:38
● 2026-07-01 01:23:00
●A2606:4700:3037::ac43:cd2b2026-06-28 → 2026-07-01 · 3 obs
○ 2026-06-14 22:59:54
● 2026-06-28 13:10:38
● 2026-07-01 01:23:00
○A2607:f748:1301:0:184:107:112:792019-12-29 → 2019-12-29 · 4 obs
○ 2017-02-12 17:56:16
● 2019-12-29 18:41:56
○ 2026-02-16 06:06:00
○ 2026-07-01 01:23:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
thinkwrite.cabob.ns.cloudflare.com, sloan.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.104

NS records: bob.ns.cloudflare.com, sloan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkwrite.ca (unsigned zone)

⏱️ Timing

Total: 330ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.43, 104.21.61.24
AAAA22606:4700:3037::6815:3d18, 2606:4700:3037::ac43:cd2b
NS2bob.ns.cloudflare.com, sloan.ns.cloudflare.com
MX2mx1.mailchannels.net (pri: 0), mx2.mailchannels.net (pri: 0)
TXT2v=spf1 ip4:184.107.112.67 include:relay., v=spf1 mx include:netblocks.dreamhost.co
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bob.ns.cloudflare.com dns.cloudflare.com

Analysis

Hierarchy

The domain mail.thinkwrite.ca falls under the parent thinkwrite.ca.

IP Addresses

thinkwrite.ca directs to four IP numbers, which are 104.21.61.24, 172.67.205.43, 2606:4700:3037::6815:3d18 and 2606:4700:3037::ac43:cd2b.

Additional host names — 42xam.com, tibiabr.com.br, bni.as and two others — share IP numbers with thinkwrite.ca.

Name Servers

thinkwrite.ca is served by two delegated name servers, bob.ns.cloudflare.com and sloan.ns.cloudflare.com.

thinkwrite.ca shares its name server setup with other domains, including summittile.ca, login-onmicrosoft.web.id, wildz777.de and two others.

At least some of thinkwrite.ca's name servers are shared with other domains, for example wellhumans.com, biomasssilosystems.co.uk, fernzo.com and two more.

It is common for these name servers to be used in conjunction with the name servers cris.ns.cloudflare.com, trey.ns.cloudflare.com and mike.ns.cloudflare.com.

Host names with 6 IP numbers:

bob.ns.cloudflare.com carries IP addresses 108.162.193.104, 172.64.33.104 and 173.245.59.104, with 3 other addresses beyond those.

sloan.ns.cloudflare.com carries IP addresses 108.162.194.52, 162.159.38.52 and 172.64.34.52, with 3 other addresses beyond those.

Mail Servers

thinkwrite.ca has two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.

thinkwrite.ca shares the same mail server setup as other domains, including mail.javelinaviationgroup.com, charlesiletbetter.com, stonecrestbaptist.org and two others.

There is at least a partial overlap in mail servers between thinkwrite.ca and other domains like ridsportshopen.com, kcracing.se and budtorose.com.

mx1.mailchannels.net and mx2.mailchannels.net share one IP address between them — 54.187.177.89.

These two host names — mx1.mailchannels.net and mx2.mailchannels.net — each point to 54.187.177.89 IP addresses.