extensa.ca - dns.ninja

`extensa.ca`

DNSSEC	⚠️ Not signed
NS	`ns-1583.awsdns-05.co.uk` ⭐
		A	2600:9000:5306:2f00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1583.awsdns-05.co.uk`
		A	205.251.198.47^{🇺🇸 Amazon205.251.198.0/24 prefix}
NS	`ns-1041.awsdns-02.org`
		A	2600:9000:5304:1100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1041.awsdns-02.org`
		A	205.251.196.17^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1041.awsdns-02.org`
NS	`ns-396.awsdns-49.com`
		A	2600:9000:5301:8c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-396.awsdns-49.com`
		A	205.251.193.140^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-396.awsdns-49.com`
NS	`ns-701.awsdns-23.net`
		A	2600:9000:5302:bd00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-701.awsdns-23.net`
		A	205.251.194.189^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-701.awsdns-23.net`
TXT	`v=spf1 -all`
SOA	`ns-1583.awsdns-05.co.uk`awsdns-hostmaster@amazon.com serial=1

`ca`

	DNSSEC	⚠️ Not signed
	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=2607010730

Same first word

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DNS History

11 records (4 active, 7 former)

●NSns-1041.awsdns-02.org2026-02-23 → 2026-07-01 · 3 obs

○ 2017-06-22 13:09:56
● 2026-02-23 03:28:16
● 2026-07-01 08:15:32

●NSns-1583.awsdns-05.co.uk2026-02-23 → 2026-07-01 · 3 obs

○ 2017-06-22 13:09:56
● 2026-02-23 03:28:16
● 2026-07-01 08:15:32

●NSns-396.awsdns-49.com2026-02-23 → 2026-07-01 · 3 obs

○ 2017-06-22 13:09:56
● 2026-02-23 03:28:16
● 2026-07-01 08:15:32

●NSns-701.awsdns-23.net2026-02-23 → 2026-07-01 · 3 obs

○ 2017-06-22 13:09:56
● 2026-02-23 03:28:16
● 2026-07-01 08:15:32

○NSns1.netnames.net2015-07-23 → 2017-06-22 · 4 obs

● 2015-07-23 22:08:32
● 2017-06-22 13:09:56
○ 2026-02-23 03:28:16
○ 2026-07-01 08:15:32

○NSns2.netnames.net2015-07-23 → 2017-06-22 · 4 obs

● 2015-07-23 22:08:32
● 2017-06-22 13:09:56
○ 2026-02-23 03:28:16
○ 2026-07-01 08:15:32

○NSns5.netnames.net2015-07-23 → 2017-06-22 · 4 obs

● 2015-07-23 22:08:32
● 2017-06-22 13:09:56
○ 2026-02-23 03:28:16
○ 2026-07-01 08:15:32

○NSns6.netnames.net2015-07-23 → 2017-06-22 · 4 obs

● 2015-07-23 22:08:32
● 2017-06-22 13:09:56
○ 2026-02-23 03:28:16
○ 2026-07-01 08:15:32

○MXrelay1.netnames.net2015-07-23 → 2017-06-22 · 4 obs

● 2015-07-23 22:08:32
● 2017-06-22 13:09:56
○ 2026-02-23 03:28:16
○ 2026-07-01 08:15:32

○MXrelay2.netnames.net2015-07-23 → 2017-06-22 · 4 obs

● 2015-07-23 22:08:32
● 2017-06-22 13:09:56
○ 2026-02-23 03:28:16
○ 2026-07-01 08:15:32

○A185.26.230.1292015-07-23 → 2017-06-22 · 4 obs

● 2015-07-23 22:08:32
● 2017-06-22 13:09:56
○ 2026-02-23 03:28:16
○ 2026-07-01 08:15:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
extensa.ca	ns-701.awsdns-23.net, ns-1041.awsdns-02.org, ns-1583.awsdns-05.co.uk, ns-396.awsdns-49.com	-

✅ Authoritative Response

Server:205.251.196.17

NS records: ns-701.awsdns-23.net, ns-1041.awsdns-02.org, ns-1583.awsdns-05.co.uk, ns-396.awsdns-49.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extensa.ca (unsigned zone)

⏱️ Timing

Total: 491ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1041.awsdns-02.org, ns-1583.awsdns-05.co.uk...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-1583.awsdns-05.co.uk awsdns-hostmaste`

Analysis

Name Servers

The NS records for extensa.ca point to four name servers: ns-396.awsdns-49.com, ns-701.awsdns-23.net, ns-1041.awsdns-02.org and ns-1583.awsdns-05.co.uk.

extensa.ca has at least partial name server overlap with other domains, such as vphm.net, entyvio.net, d2d7ef4vygkwbv.cloudfront.net and two others.

ns-396.awsdns-49.com, ns-701.awsdns-23.net, ns-1041.awsdns-02.org and ns-1583.awsdns-05.co.uk all point to exactly two IP numbers each: ns-396.awsdns-49.com → 205.251.193.140 and 2600:9000:5301:8c00::1; ns-701.awsdns-23.net → 205.251.194.189 and 2600:9000:5302:bd00::1; ns-1041.awsdns-02.org → 205.251.196.17 and 2600:9000:5304:1100::1; ns-1583.awsdns-05.co.uk → 205.251.198.47 and 2600:9000:5306:2f00::1.