rhsa.ca - dns.ninja

`rhsa.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:cdd4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:34f3^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.243^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.212^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`linda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3afa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`linda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`linda.ns.cloudflare.com`
		A	108.162.192.250^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	172.64.32.250^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
		A	173.245.58.250^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`linda.ns.cloudflare.com`
NS	`shane.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c339^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2339^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shane.ns.cloudflare.com`
		A	108.162.195.57^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	162.159.44.57^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
		A	172.64.35.57^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shane.ns.cloudflare.com`
MX	`_dc-mx.fd23ec78fbd6.rhsa.ca` ⭐
		A	2605:6f00:1234:700:1::2b5^{🇨🇦 ONIAAS2605:6f00::/32 115 George St. Suite 511 Oakville ON L6J 0A2 Canada}
		A	66.102.132.84^{🇨🇦 ONIAAS66.102.128.0/20 115 George St. Suite 511 Oakville ON L6J 0A2 Canada}
			PTR	`sh-cp22.yyz2.servername.online`
MX	`mxa.mailgun.org`⁽¹⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org`⁽¹⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`_globalsign-domain-verification=IzcVIVwFUbC24eM3MSJBdhTAvL1QpblA1GPH3CoepT`
TXT	`_globalsign-domain-verification=MOoFqtQtDMxa6pU73-sBw3RtrDJymTYdtyKrd8xlMl`
TXT	`v=spf1 ip4:66.102.132.84 ip4:64.34.156.150 +a +mx +ip4:70.33.241.150 +include...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.243, 172.67.205.212
		IPv6 hints	2606:4700:3034::ac43:cdd4, 2606:4700:3037::6815:34f3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=0, name=cloudflare-ech.com
SOA	`linda.ns.cloudflare.com`dns@cloudflare.com serial=2409305719

`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=2607241600

Subdomains

www.rhsa.ca

mail.rhsa.ca

Same first word

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rhsa.ru

rhsa.de

rhsa.com.br

rhsa.org

rhsa.org.au

Similar names

rhas.dk

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ahrs.info

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rhas.org.jo

shar.company

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rhas.com.au

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ahsr.com

shra.org

shar.by

hrsa.com.au

shar.co.nz

hsra.jp

hras.eu

rash.de

shar.land

srah.com

rhas.nl

ahrs.net.cn

hsar.se

sarh.co.uk

hars.de

hars.us

ashr.ch

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shar.com

ahrs.us

sarh.rs.gov.br

rash.jp

ashr.net

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arhs.us

shar.be

hars.pl

shar.in

shar.gov.in

ashr.io

arhs.com

ahsr.ngo

hrsa.gov

shra.de

rhas.com

rhas.eu

shar.co

srah.net

ashr.se

sahr.ca

hars.com.tr

hars.gr.jp

hars.eu

arsh.me

sahr.me

hars.in

shra.org.uk

hsar.org.nz

rash.co

rash.ir

ahrs.co.za

ahrs.com.au

asrh.de

hars.ca

shar.dk

shar.at

sarh.de

hars.org

shra.net

shar.ru

rash.co.in

ahsr.ru

shar.pl

sarh.info

shar.ws

hsra.gov.au

hrsa.cn

rsha.shop

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hras.com

asrh.com

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hsra.in

arhs.eu

sarh.net

hrsa.net

rsha.ru

sahr.us

hsra.com

DNS History

25 records (9 active, 16 former)

●NSlinda.ns.cloudflare.com2026-02-22 → 2026-07-24 · 3 obs

○ 2021-01-20 15:27:26
● 2026-02-22 08:39:44
● 2026-07-24 16:39:08

○NSns1.hostpapa.com2015-06-25 → 2021-01-20 · 4 obs

● 2015-06-25 05:23:28
● 2021-01-20 15:27:26
○ 2026-02-22 08:39:44
○ 2026-07-24 16:39:08

○NSns2.hostpapa.com2015-06-25 → 2021-01-20 · 4 obs

● 2015-06-25 05:23:28
● 2021-01-20 15:27:26
○ 2026-02-22 08:39:44
○ 2026-07-24 16:39:08

●NSshane.ns.cloudflare.com2026-02-22 → 2026-07-24 · 3 obs

○ 2021-01-20 15:27:26
● 2026-02-22 08:39:44
● 2026-07-24 16:39:08

●MX_dc-mx.fd23ec78fbd6.rhsa.ca2026-02-22 → 2026-07-24 · 3 obs

○ 2021-01-20 15:27:26
● 2026-02-22 08:39:44
● 2026-07-24 16:39:08

○MXmail.rhsa.ca2015-06-25 → 2021-01-20 · 4 obs

● 2015-06-25 05:23:28
● 2021-01-20 15:27:26
○ 2026-02-22 08:39:44
○ 2026-07-24 16:39:08

●MXmxa.mailgun.org2021-01-20 → 2026-07-24 · 3 obs

○ 2015-06-25 05:23:28
● 2021-01-20 15:27:26
● 2026-07-24 16:39:08

●MXmxb.mailgun.org2021-01-20 → 2026-07-24 · 3 obs

○ 2015-06-25 05:23:28
● 2021-01-20 15:27:26
● 2026-07-24 16:39:08

●A104.21.52.2432026-02-22 → 2026-07-24 · 14 obs

○ 2021-01-20 15:27:26
● 2026-02-22 08:39:44
● 2026-05-01 12:40:52
○ 2026-05-03 21:55:12
● 2026-05-03 22:55:02
● 2026-05-08 17:39:20
○ 2026-05-15 11:56:12
● 2026-05-15 12:27:00
● 2026-06-14 04:07:02
○ 2026-06-14 13:58:48
● 2026-06-14 15:34:04
○ 2026-07-11 00:43:38
● 2026-07-12 03:43:50
● 2026-07-24 16:39:08

○A104.37.183.12021-01-20 → 2021-01-20 · 4 obs

○ 2017-09-06 16:21:28
● 2021-01-20 15:27:26
○ 2026-02-22 08:39:44
○ 2026-07-24 16:39:08

●A172.67.205.2122026-02-22 → 2026-07-24 · 14 obs

○A188.114.96.02026-05-03 → 2026-07-11 · 12 obs

○ 2026-05-01 12:40:52
● 2026-05-03 21:55:12
○ 2026-05-03 22:55:02
○ 2026-05-08 17:39:20
● 2026-05-15 11:56:12
○ 2026-05-15 12:27:00
○ 2026-06-14 04:07:02
● 2026-06-14 13:58:48
○ 2026-06-14 15:34:04
● 2026-07-11 01:15:02
○ 2026-07-12 03:43:50
○ 2026-07-24 16:39:08

○A188.114.96.42026-07-11 → 2026-07-11 · 4 obs

○ 2026-06-22 05:58:50
● 2026-07-11 00:43:38
○ 2026-07-11 01:15:02
○ 2026-07-24 16:39:08

○A188.114.97.02026-05-03 → 2026-07-11 · 12 obs

○A188.114.97.42026-07-11 → 2026-07-11 · 4 obs

○ 2026-06-22 05:58:50
● 2026-07-11 00:43:38
○ 2026-07-11 01:15:02
○ 2026-07-24 16:39:08

○A2605:6f00:1234:700:1::2b52026-02-22 → 2026-07-24 · 2 obs

○ 2026-02-22 08:39:44
○ 2026-07-24 16:39:08

●A2606:4700:3034::ac43:cdd42026-06-22 → 2026-07-24 · 5 obs

○ 2026-06-15 05:40:52
● 2026-06-22 05:58:50
○ 2026-07-11 00:43:38
● 2026-07-12 03:43:50
● 2026-07-24 16:39:08

○A2606:4700:3035::ac43:cdd42026-02-22 → 2026-06-15 · 14 obs

○ 2021-01-20 15:27:26
● 2026-02-22 08:39:44
● 2026-05-01 12:40:52
○ 2026-05-03 21:55:12
● 2026-05-03 22:55:02
● 2026-05-08 17:39:20
○ 2026-05-15 11:56:12
● 2026-05-15 12:27:00
● 2026-06-14 04:07:02
○ 2026-06-14 13:58:48
● 2026-06-14 15:34:04
● 2026-06-15 05:40:52
○ 2026-06-22 05:58:50
○ 2026-07-24 16:39:08

●A2606:4700:3037::6815:34f32026-02-22 → 2026-07-24 · 14 obs

○A2a06:98c1:3120::2026-05-03 → 2026-07-11 · 12 obs

○A2a06:98c1:3120::42026-07-11 → 2026-07-11 · 4 obs

○ 2026-06-22 05:58:50
● 2026-07-11 00:43:38
○ 2026-07-11 01:15:02
○ 2026-07-24 16:39:08

○A2a06:98c1:3121::2026-05-03 → 2026-07-11 · 12 obs

○A2a06:98c1:3121::42026-07-11 → 2026-07-11 · 4 obs

○ 2026-06-22 05:58:50
● 2026-07-11 00:43:38
○ 2026-07-11 01:15:02
○ 2026-07-24 16:39:08

○A66.102.132.842026-02-22 → 2026-07-24 · 2 obs

○ 2026-02-22 08:39:44
○ 2026-07-24 16:39:08

○A70.33.241.1502015-06-25 → 2017-09-06 · 4 obs

● 2015-06-25 05:23:28
● 2017-09-06 16:21:28
○ 2021-01-20 15:27:26
○ 2026-07-24 16:39:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	any.ca-servers.ca, d.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	-
rhsa.ca	linda.ns.cloudflare.com, shane.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.250

NS records: linda.ns.cloudflare.com, shane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rhsa.ca (unsigned zone)

⏱️ Timing

Total: 575ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.243, 172.67.205.212`
AAAA	2	`2606:4700:3037::6815:34f3, 2606:4700:3034::ac43:cdd4`
NS	2	`linda.ns.cloudflare.com, shane.ns.cloudflare.com`
MX	3	`_dc-mx.fd23ec78fbd6.rhsa.ca (pri: 0), mxa.mailgun.org (pri: 10)...`
TXT	3	`_globalsign-domain-verification=IzcVIVwF, _globalsign-domain-verification=MOoFqtQt...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`linda.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

rhsa.ca serves as the parent of www.rhsa.ca and mail.rhsa.ca.

IP Addresses

rhsa.ca resolves to four IP addresses: 104.21.52.243, 172.67.205.212, 2606:4700:3034::ac43:cdd4 and 2606:4700:3037::6815:34f3.

akneinversa.eu, redcasino-fr.com, coremanagementgroup.net plus two other host names have IP numbers in common with rhsa.ca.

Name Servers

rhsa.ca is served by two delegated name servers, linda.ns.cloudflare.com and shane.ns.cloudflare.com.

The name server configuration of rhsa.ca is shared with other domains, for instance lauta.com, kunakair.com, ylilauta.org and two others.

rhsa.ca partially shares its NS delegation with several other domains, including napxu.vn, tendi.ro, sahinelectronic.com and two others.

These name servers are regularly seen alongside hadlee.ns.cloudflare.com and trevor.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

linda.ns.cloudflare.com carries IP addresses 108.162.192.250, 172.64.32.250 and 173.245.58.250, with 3 other addresses beyond those.

shane.ns.cloudflare.com carries IP addresses 108.162.195.57, 162.159.44.57 and 172.64.35.57, with 3 other addresses beyond those.

Mail Servers

rhsa.ca uses three mail servers — mxa.mailgun.org, mxb.mailgun.org and _dc-mx.fd23ec78fbd6.rhsa.ca.

At least some of the mail servers used by rhsa.ca are shared with other domains: remnantsoftware.com, florencefoods.com, shiplongisland.com and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

Host names pointing to two IP addresses:

_dc-mx.fd23ec78fbd6.rhsa.ca maps to two IP addresses — 66.102.132.84 and 2605:6f00:1234:700:1::2b5.

Host names resolving to a single IP address:

mxa.mailgun.org points to the IP address 34.36.182.139.

mxb.mailgun.org points to the IP address 34.36.182.139.

These two host names — mxa.mailgun.org and mxb.mailgun.org — each point to 34.36.182.139 IP addresses.