WWW.RTSAK.COM - ostra.ca

Search for IP or hostnames:

ostra.ca checked at 2025-10-16T21:45:17.476Z 237ms 197/197/197 100% R:13

`ostra.ca`

MX	`mx1.juandefu.ca`
		A	2600:3c01::f03c:91ff:fe37:d956 ^{🇺🇸 Linode AS63949}
		A	2600:3c01::f03c:91ff:fe93:8009 ^{🇺🇸 Linode AS63949}
		A	45.56.88.110^{🇺🇸 Linode AS63949}
			PTR	`li890-110.members.linode.com`
		A	173.255.250.175^{🇺🇸 Linode AS63949}
			PTR	`li260-175.members.linode.com`
MX	`mx2.juandefu.ca`
		A	2600:3c01::f03c:91ff:fe37:d956 ^{🇺🇸 Linode AS63949}
		A	2600:3c01::f03c:91ff:fe93:8009 ^{🇺🇸 Linode AS63949}
		A	45.56.88.110^{🇺🇸 Linode AS63949}
			PTR	`li890-110.members.linode.com`
		A	173.255.250.175^{🇺🇸 Linode AS63949}
			PTR	`li260-175.members.linode.com`
MX	`mx3.juandefu.ca`
		A	2600:3c01::f03c:91ff:fe37:d956 ^{🇺🇸 Linode AS63949}
		A	2600:3c01::f03c:91ff:fe93:8009 ^{🇺🇸 Linode AS63949}
		A	45.56.88.110^{🇺🇸 Linode AS63949}
			PTR	`li890-110.members.linode.com`
		A	173.255.250.175^{🇺🇸 Linode AS63949}
			PTR	`li260-175.members.linode.com`
MX	`mx4.juandefu.ca`
		A	2600:3c01::f03c:91ff:fe37:d956 ^{🇺🇸 Linode AS63949}
		A	2600:3c01::f03c:91ff:fe93:8009 ^{🇺🇸 Linode AS63949}
		A	45.56.88.110^{🇺🇸 Linode AS63949}
			PTR	`li890-110.members.linode.com`
		A	173.255.250.175^{🇺🇸 Linode AS63949}
			PTR	`li260-175.members.linode.com`
MX	`mx5.juandefu.ca`
		A	2600:3c01::f03c:91ff:fe37:d956 ^{🇺🇸 Linode AS63949}
		A	2600:3c01::f03c:91ff:fe93:8009 ^{🇺🇸 Linode AS63949}
		A	45.56.88.110^{🇺🇸 Linode AS63949}
			PTR	`li890-110.members.linode.com`
		A	173.255.250.175^{🇺🇸 Linode AS63949}
			PTR	`li260-175.members.linode.com`
NS	`ns1.linode.com`
		A	2600:14c0:6::2 ^{🇺🇸 Akamai}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3 ^{🇺🇸 Akamai}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com`
		A	2600:14c0:7::3 ^{🇺🇸 Akamai}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com`
		A	2600:14c0:7::4 ^{🇺🇸 Akamai}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com`
		A	2600:14c0:7::2 ^{🇺🇸 Akamai}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai}
			PTR	`c2-2.akashield.net`
A	2600:3c01::f03c:91ff:fe37:d956 ^{🇺🇸 Linode AS63949}
A	2600:3c01::f03c:91ff:fe93:8009 ^{🇺🇸 Linode AS63949}
A	45.56.88.110^{🇺🇸 Linode AS63949}
		PTR	`li890-110.members.linode.com`
A	173.255.250.175^{🇺🇸 Linode AS63949}
		PTR	`li260-175.members.linode.com`

`ca`

	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`

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AI analysis

ostra.ca maps to four IP numbers: 2600:3c01::f03c:91ff:fe37:d956, 2600:3c01::f03c:91ff:fe93:8009, 45.56.88.110 and 173.255.250.175.

Other host names, for instance juandefu.ca, 1337age.ca, li260-175.members.linode.com, 1337age.net and mx.juandefu.ca share IP numbers with ostra.ca.

ostra.ca is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.

ostra.ca partially shares name servers with other domains; examples include xavelec.co.uk, balluffmex.com, bongggblue.com, greenairtek.com and obiworld.com.

Host names with two IP numbers:

ns1.linode.com points to: 2600:14c0:6::2 and 92.123.94.2

ns2.linode.com points to: 2600:14c0:6::3 and 92.123.94.3

ns3.linode.com points to: 2600:14c0:7::3 and 92.123.95.3

ns4.linode.com points to: 2600:14c0:7::4 and 92.123.95.4

ns5.linode.com points to: 2600:14c0:7::2 and 92.123.95.2

Five mail servers handle ostra.ca: mx1.juandefu.ca, mx2.juandefu.ca, mx3.juandefu.ca, mx4.juandefu.ca and mx5.juandefu.ca.

ostra.ca shares some mail servers with other domains, at least partially, such as ns5.1337age.ca, 1337age.com, ns5.pengu.ca, ns3.1337age.com and mail.0in.co.

Hostnames with four IPs:

mx1.juandefu.ca points to 2600:3c01::f03c:91ff:fe37:d956, 2600:3c01::f03c:91ff:fe93:8009, 45.56.88.110 and 173.255.250.175.

mx2.juandefu.ca points to 2600:3c01::f03c:91ff:fe37:d956, 2600:3c01::f03c:91ff:fe93:8009, 45.56.88.110 and 173.255.250.175.

mx3.juandefu.ca points to 2600:3c01::f03c:91ff:fe37:d956, 2600:3c01::f03c:91ff:fe93:8009, 45.56.88.110 and 173.255.250.175.

mx4.juandefu.ca points to 2600:3c01::f03c:91ff:fe37:d956, 2600:3c01::f03c:91ff:fe93:8009, 45.56.88.110 and 173.255.250.175.

mx5.juandefu.ca points to 2600:3c01::f03c:91ff:fe37:d956, 2600:3c01::f03c:91ff:fe93:8009, 45.56.88.110 and 173.255.250.175.

Targets of 2600:3c01::f03c:91ff:fe37:d956: mx1.juandefu.ca, mx2.juandefu.ca, mx3.juandefu.ca, mx4.juandefu.ca and mx5.juandefu.ca.

Targets of 2600:3c01::f03c:91ff:fe93:8009: mx1.juandefu.ca, mx2.juandefu.ca, mx3.juandefu.ca, mx4.juandefu.ca and mx5.juandefu.ca.

Targets of 45.56.88.110: mx1.juandefu.ca, mx2.juandefu.ca, mx3.juandefu.ca, mx4.juandefu.ca and mx5.juandefu.ca.

Targets of 173.255.250.175: mx1.juandefu.ca, mx2.juandefu.ca, mx3.juandefu.ca, mx4.juandefu.ca and mx5.juandefu.ca.

dbq