bostech.ca - dns.ninja

`bostech.ca`

DNSSEC	⚠️ Not signed
A	54.39.50.183^{🇨🇦 OVH54.39.0.0/16 Hosting route}
		PTR	`app-ca-2.extremesurf.com`
NS	`ns1.extremesurf.com` ⭐
		A	54.39.17.50^{🇨🇦 OVH54.39.0.0/16 Hosting route}
			PTR	`app-ca-1.extremesurf.com`
NS	`ns2.extremesurf.com`
		A	147.135.1.28^{🇺🇸 OVH147.135.0.0/17 Hosting route}
			PTR	`app-us-east-1.extremesurf.com`
NS	`ns3.extremesurf.com`
		A	145.239.64.230^{🇫🇷 OVH145.239.0.0/16}
			PTR	`app-eu-fr-1.extremesurf.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=T9pTD3EwcYtccBygzuNF2Xpf0QtDstQXbLMIIZx8H3c`
TXT	`v=spf1 ip4:144.217.254.204 +a +mx include:_spf.google.com include:spf-c.mailb...`
SOA	`ns1.extremesurf.com`admin@bostech.ca 2025-03-14 #1

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2607011600

Previously MX for

bostech.ca

Same first word

bostech.biz

bostech.co.nz

bostech.sk

bostech.com.cn

bostech.com.au

bostech.net

bostech.ca

Similar names

hbcotes.eu

bestcho.com

boetsch.fr

ethosbc.com.au

thebsco.com

hbcotes.com

tobsche.de

hbcotes.pl

boschet.org

boetsch.de

bethsco.com

obstech.cl

bsotech.com

boetsch.ch

botches.com

bcehost.com

hbcotes.com.cn

boetsch.info

boetsch.cl

boetsch.org

boetsch.net

techbos.com

sobtech.com.pl

csohbet.com

botsche.de

hbcotes.cn

obstech.net

boetsch.com

boescht.de

ethosbc.com

obstech.com

botechs.com

techsob.com

DNS History

13 records (9 active, 4 former)

●NSns1.extremesurf.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

○NSns1.wightman.ca2015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 09:16:46
● 2017-04-09 22:49:54
○ 2026-07-01 05:32:26
○ 2026-07-01 16:54:56

●NSns2.extremesurf.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

○NSns2.wightman.ca2015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 09:16:46
● 2017-04-09 22:49:54
○ 2026-07-01 05:32:26
○ 2026-07-01 16:54:56

●NSns3.extremesurf.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

●MXalt1.aspmx.l.google.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

●MXalt2.aspmx.l.google.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

●MXalt3.aspmx.l.google.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

●MXalt4.aspmx.l.google.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

●MXaspmx.l.google.com2026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

○MXbostech.ca2015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 09:16:46
● 2017-04-09 22:49:54
○ 2026-07-01 05:32:26
○ 2026-07-01 16:54:56

●A54.39.50.1832026-07-01 → 2026-07-01 · 3 obs

○ 2017-04-09 22:49:54
● 2026-07-01 05:32:26
● 2026-07-01 16:54:56

○A68.69.147.522015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 09:16:46
● 2017-04-09 22:49:54
○ 2026-07-01 05:32:26
○ 2026-07-01 16:54:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
bostech.ca	ns1.extremesurf.com, ns2.extremesurf.com, ns3.extremesurf.com	-

✅ Authoritative Response

Server:145.239.64.230

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bostech.ca (unsigned zone)

⏱️ Timing

Total: 647ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.39.50.183`
NS	3	`ns2.extremesurf.com, ns3.extremesurf.com...`
MX	5	`ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ALT3.ASPMX.L.GOOGLE.COM (pri: 10)...`
TXT	2	`google-site-verification=T9pTD3EwcYtccBy, v=spf1 ip4:144.217.254.204 +a +mx includ`
SOA	1	`ns1.extremesurf.com admin.bostech.ca`

Analysis

IP Addresses

bostech.ca directs to one IP number, which is 54.39.50.183.

Among the host names that share IP numbers with bostech.ca are shopkci.ca, wintexagrocanada.com, evadesigns.ca and two others.

Name Servers

Three name servers are authoritative for bostech.ca: ns1.extremesurf.com, ns2.extremesurf.com and ns3.extremesurf.com.

There is at least partial name server overlap between bostech.ca and other domains — inventoryexpress.ca, app-us-east-2.extremesurf.com, app-us-east-1.extremesurf.com and two more among them.

Three hostnames, one IP address apiece: ns1.extremesurf.com resolves to 54.39.17.50, ns2.extremesurf.com resolves to 147.135.1.28 and ns3.extremesurf.com resolves to 145.239.64.230.

Mail Servers

Five mail servers handle bostech.ca: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

bostech.ca shares at least some of its mail servers with other domains — for example citraberkat.sch.id, ohyeeah.com, ns500794.ns500821.ns500795.ns500794.ns500794.ns500821.ns500821.ns500795.ns500821.ns500790.lustypartnersfinder.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com maps to two IP addresses — 142.251.167.27 and 2607:f8b0:4004:c1d::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1a.