fourfunction.ca - dns.ninja

`fourfunction.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:610^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8629^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.16^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.41^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jack.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c179^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2179^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jack.ns.cloudflare.com`
		A	108.162.193.121^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	172.64.33.121^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
		A	173.245.59.121^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jack.ns.cloudflare.com`
NS	`lucy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c085^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lucy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2085^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lucy.ns.cloudflare.com`
		A	108.162.192.133^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	172.64.32.133^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	173.245.58.133^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 ip4:172.234.229.120 ip4:173.230.153.70 +a +mx include:_spf.google.com ...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.16, 172.67.134.41
		IPv6 hints	2606:4700:3037::6815:610, 2606:4700:3037::ac43:8629
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`jack.ns.cloudflare.com`dns@cloudflare.com serial=2408929670

`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=2608010100

Previously MX for

fourfunction.ca

Subdomains

mail.fourfunction.ca

Same first word

fourfunction.ca

Similar names

functionfour.ca

functionfour.com

DNS History

27 records (11 active, 16 former)

●NSjack.ns.cloudflare.com2026-04-07 → 2026-08-01 · 3 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-08-01 01:47:36

●NSlucy.ns.cloudflare.com2026-04-07 → 2026-08-01 · 3 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-08-01 01:47:36

○NSns1.crayon.mysitehosted.com2015-07-03 → 2016-04-23 · 4 obs

● 2015-07-03 16:56:14
● 2016-04-23 11:01:56
○ 2016-12-03 18:12:14
○ 2026-08-01 01:47:36

○NSns1.eggplantstudios.ca2016-12-03 → 2017-11-15 · 5 obs

○ 2016-04-23 11:01:56
● 2016-12-03 18:12:14
● 2017-11-15 20:41:42
○ 2026-04-07 20:59:10
○ 2026-08-01 01:47:36

○NSns2.crayon.mysitehosted.com2015-07-03 → 2016-04-23 · 4 obs

● 2015-07-03 16:56:14
● 2016-04-23 11:01:56
○ 2016-12-03 18:12:14
○ 2026-08-01 01:47:36

○NSns2.eggplantstudios.ca2016-12-03 → 2017-11-15 · 5 obs

○ 2016-04-23 11:01:56
● 2016-12-03 18:12:14
● 2017-11-15 20:41:42
○ 2026-04-07 20:59:10
○ 2026-08-01 01:47:36

○NSns4.eggplantstudios.ca2017-11-15 → 2017-11-15 · 4 obs

○ 2016-12-03 18:12:14
● 2017-11-15 20:41:42
○ 2026-04-07 20:59:10
○ 2026-08-01 01:47:36

●MXalt1.aspmx.l.google.com2026-04-07 → 2026-08-01 · 3 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-08-01 01:47:36

●MXalt2.aspmx.l.google.com2026-04-07 → 2026-08-01 · 3 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-08-01 01:47:36

●MXalt3.aspmx.l.google.com2026-04-07 → 2026-08-01 · 3 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-08-01 01:47:36

●MXalt4.aspmx.l.google.com2026-04-07 → 2026-08-01 · 3 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-08-01 01:47:36

●MXaspmx.l.google.com2026-04-07 → 2026-08-01 · 3 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-08-01 01:47:36

○MXfourfunction.ca2016-12-03 → 2017-11-15 · 5 obs

○ 2016-04-23 11:01:56
● 2016-12-03 18:12:14
● 2017-11-15 20:41:42
○ 2026-04-07 20:59:10
○ 2026-08-01 01:47:36

○MXmail.fourfunction.ca2015-07-03 → 2016-04-23 · 4 obs

● 2015-07-03 16:56:14
● 2016-04-23 11:01:56
○ 2016-12-03 18:12:14
○ 2026-08-01 01:47:36

○A104.152.66.1672015-07-03 → 2016-04-23 · 4 obs

● 2015-07-03 16:56:14
● 2016-04-23 11:01:56
○ 2016-12-03 18:12:14
○ 2026-08-01 01:47:36

●A104.21.6.162026-04-07 → 2026-08-01 · 8 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-05-01 04:00:00
○ 2026-05-03 04:26:16
● 2026-05-29 13:03:52
○ 2026-06-24 02:34:36
● 2026-08-01 01:47:34
● 2026-08-01 01:47:36

○A162.144.121.72016-12-03 → 2016-12-03 · 4 obs

○ 2016-04-23 11:01:56
● 2016-12-03 18:12:14
○ 2017-11-15 20:41:42
○ 2026-08-01 01:47:36

●A172.67.134.412026-04-07 → 2026-08-01 · 8 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-05-01 04:00:00
○ 2026-05-03 04:26:16
● 2026-05-29 13:03:52
○ 2026-06-24 02:34:36
● 2026-08-01 01:47:34
● 2026-08-01 01:47:36

○A173.230.153.702017-11-15 → 2017-11-15 · 4 obs

○ 2016-12-03 18:12:14
● 2017-11-15 20:41:42
○ 2026-04-07 20:59:10
○ 2026-08-01 01:47:36

○A188.114.96.02026-05-03 → 2026-06-24 · 7 obs

○ 2026-04-07 20:59:10
○ 2026-05-01 04:00:00
● 2026-05-03 04:26:16
○ 2026-05-29 13:03:52
● 2026-06-24 02:34:36
○ 2026-08-01 01:47:34
○ 2026-08-01 01:47:36

○A188.114.97.02026-05-03 → 2026-06-24 · 7 obs

○ 2026-04-07 20:59:10
○ 2026-05-01 04:00:00
● 2026-05-03 04:26:16
○ 2026-05-29 13:03:52
● 2026-06-24 02:34:36
○ 2026-08-01 01:47:34
○ 2026-08-01 01:47:36

○A2606:4700:3033::6815:6102026-04-07 → 2026-05-29 · 7 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-05-01 04:00:00
○ 2026-05-03 04:26:16
● 2026-05-29 13:03:52
○ 2026-06-24 02:34:36
○ 2026-08-01 01:47:36

○A2606:4700:3035::ac43:86292026-04-07 → 2026-05-29 · 7 obs

○ 2017-11-15 20:41:42
● 2026-04-07 20:59:10
● 2026-05-01 04:00:00
○ 2026-05-03 04:26:16
● 2026-05-29 13:03:52
○ 2026-06-24 02:34:36
○ 2026-08-01 01:47:36

●A2606:4700:3037::6815:6102026-08-01 → 2026-08-01 · 3 obs

○ 2026-06-24 02:34:36
● 2026-08-01 01:47:34
● 2026-08-01 01:47:36

●A2606:4700:3037::ac43:86292026-08-01 → 2026-08-01 · 3 obs

○ 2026-06-24 02:34:36
● 2026-08-01 01:47:34
● 2026-08-01 01:47:36

○A2a06:98c1:3120::2026-05-03 → 2026-06-24 · 7 obs

○ 2026-04-07 20:59:10
○ 2026-05-01 04:00:00
● 2026-05-03 04:26:16
○ 2026-05-29 13:03:52
● 2026-06-24 02:34:36
○ 2026-08-01 01:47:34
○ 2026-08-01 01:47:36

○A2a06:98c1:3121::2026-05-03 → 2026-06-24 · 7 obs

○ 2026-04-07 20:59:10
○ 2026-05-01 04:00:00
● 2026-05-03 04:26:16
○ 2026-05-29 13:03:52
● 2026-06-24 02:34:36
○ 2026-08-01 01:47:34
○ 2026-08-01 01:47:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	j.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca	-
fourfunction.ca	jack.ns.cloudflare.com, lucy.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.121

NS records: jack.ns.cloudflare.com, lucy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourfunction.ca (unsigned zone)

⏱️ Timing

Total: 615ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.16, 172.67.134.41`
AAAA	2	`2606:4700:3037::ac43:8629, 2606:4700:3037::6815:610`
NS	2	`jack.ns.cloudflare.com, lucy.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 0), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 ip4:172.234.229.120 ip4:173.230.1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jack.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

fourfunction.ca is a parent domain of mail.fourfunction.ca.

IP Addresses

fourfunction.ca resolves to four IP addresses: 104.21.6.16, 172.67.134.41, 2606:4700:3037::6815:610 and 2606:4700:3037::ac43:8629.

Among the host names that share IP numbers with fourfunction.ca are shuntaibxg.com, arsbilgisayar.tr, travismanion.org and two others.

Name Servers

fourfunction.ca is served by two delegated name servers, jack.ns.cloudflare.com and lucy.ns.cloudflare.com.

fourfunction.ca has the same name server delegation as a number of other domains, such as poovulagu.org, devdude.com, dreamydes.com and two more.

fourfunction.ca shares at least some of its name servers with other domains, including stake1080.com, exclusive-networks.si, 5656178dz.com and two others.

These name servers are frequently paired with the name servers erin.ns.cloudflare.com, adel.ns.cloudflare.com and addilyn.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

jack.ns.cloudflare.com carries IP addresses 108.162.193.121, 172.64.33.121 and 173.245.59.121, with 3 other addresses beyond those.

lucy.ns.cloudflare.com carries IP addresses 108.162.192.133, 172.64.32.133 and 173.245.58.133, with 3 other addresses beyond those.

Mail Servers

fourfunction.ca is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

fourfunction.ca shares at least some of its mail servers with other domains — for example thetabw.com, ns500758.ns500759.ns500758.ns500759.ns500735.ns500735.ns500698.ns500736.ns500698.ns500708.ns500698.ns500619.ns500576.ns500576.trackreceptor.com, ns500698.ns500758.ns500698.ns500698.ns500759.ns500698.ns500698.ns500736.ns500698.ns500698.ns500708.ns500576.ns500698.ns500686.ns500576.ns500652.ns500576.trackreceptor.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 4 more.

Hosts with two IP numbers each:

aspmx.l.google.com maps to two IP addresses — 172.253.122.27 and 2607:f8b0:4004:c17::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 — 172.253.157.27 and 2a00:1450:400c:c23::1a.