`instituteofcode.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3e60^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:de77^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.96^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.119^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bruce.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bruce.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bruce.ns.cloudflare.com`
		A	108.162.193.77^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
		A	172.64.33.77^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
		A	173.245.59.77^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bruce.ns.cloudflare.com`
NS	`cruz.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a58^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c058^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cruz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2058^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cruz.ns.cloudflare.com`
		A	108.162.192.88^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	172.64.32.88^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
		A	173.245.58.88^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cruz.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`google-site-verification=KBJOVPqb40Crh5-VhL02TuxhwXWoNuvOnHhAFU6ZBQ0`
TXT	`google-site-verification=O0hd4rs45tLAZx08DnrAA5tnVsyFCXYiVH52M9fN7eI`
TXT	`v=spf1 a mx include:_spf.mlsend.com ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.62.96, 172.67.222.119
		IPv6	2606:4700:3030::6815:3e60, 2606:4700:3031::ac43:de77
SOA	`bruce.ns.cloudflare.com`dns@cloudflare.com serial=2396817840

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

instituteofcode.com

DNS History

18 records (11 active, 7 former)

●NSbruce.ns.cloudflare.com2021-06-16 → 2026-03-24 · 3 obs

○ 2016-12-17 04:19:48
● 2021-06-16 22:24:00
● 2026-03-24 09:20:40

●NScruz.ns.cloudflare.com2021-06-16 → 2026-03-24 · 3 obs

○ 2016-12-17 04:19:48
● 2021-06-16 22:24:00
● 2026-03-24 09:20:40

○NSns-1125.awsdns-12.org2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 04:19:48
○ 2021-06-16 22:24:00
○ 2026-03-24 09:20:40

○NSns-166.awsdns-20.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 04:19:48
○ 2021-06-16 22:24:00
○ 2026-03-24 09:20:40

○NSns-1992.awsdns-57.co.uk2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 04:19:48
○ 2021-06-16 22:24:00
○ 2026-03-24 09:20:40

○NSns-809.awsdns-37.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 04:19:48
○ 2021-06-16 22:24:00
○ 2026-03-24 09:20:40

●MXalt1.aspmx.l.google.com2016-12-17 → 2026-03-24 · 2 obs

● 2016-12-17 04:19:48
● 2026-03-24 09:20:40

●MXalt2.aspmx.l.google.com2016-12-17 → 2026-03-24 · 2 obs

● 2016-12-17 04:19:48
● 2026-03-24 09:20:40

●MXalt3.aspmx.l.google.com2016-12-17 → 2026-03-24 · 2 obs

● 2016-12-17 04:19:48
● 2026-03-24 09:20:40

●MXalt4.aspmx.l.google.com2016-12-17 → 2026-03-24 · 2 obs

● 2016-12-17 04:19:48
● 2026-03-24 09:20:40

●MXaspmx.l.google.com2016-12-17 → 2026-03-24 · 2 obs

● 2016-12-17 04:19:48
● 2026-03-24 09:20:40

●A104.21.62.962026-03-17 → 2026-03-24 · 3 obs

○ 2021-06-16 22:24:00
● 2026-03-17 21:57:34
● 2026-03-24 09:20:40

●A172.67.222.1192026-03-17 → 2026-03-24 · 3 obs

○ 2021-06-16 22:24:00
● 2026-03-17 21:57:34
● 2026-03-24 09:20:40

●A2606:4700:3030::6815:3e602026-03-17 → 2026-03-24 · 3 obs

○ 2021-06-16 22:24:00
● 2026-03-17 21:57:34
● 2026-03-24 09:20:40

●A2606:4700:3031::ac43:de772026-03-17 → 2026-03-24 · 3 obs

○ 2021-06-16 22:24:00
● 2026-03-17 21:57:34
● 2026-03-24 09:20:40

○A52.52.43.192016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 04:19:48
○ 2021-06-16 22:24:00
○ 2026-03-24 09:20:40

○A52.8.178.1322021-06-16 → 2021-06-16 · 4 obs

○ 2016-12-17 04:19:48
● 2021-06-16 22:24:00
○ 2026-03-17 21:57:34
○ 2026-03-24 09:20:40

○A54.183.240.1872016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 04:19:48
○ 2021-06-16 22:24:00
○ 2026-03-24 09:20:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
instituteofcode.com	cruz.ns.cloudflare.com, bruce.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.77

NS records: cruz.ns.cloudflare.com, bruce.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instituteofcode.com (unsigned zone)

⏱️ Timing

Total: 2658ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.222.119, 104.21.62.96`
AAAA	2	`2606:4700:3030::6815:3e60, 2606:4700:3031::ac43:de77`
NS	2	`bruce.ns.cloudflare.com, cruz.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=KBJOVPqb40Crh5-, google-site-verification=O0hd4rs45tLAZx0...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bruce.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (cruz.ns.cloudflare.com, cruz.ns.cloudflare.com, cruz.ns.cloudflare.com...)

Analysis

IP Addresses

instituteofcode.com maps to four IP numbers: 2606:4700:3030::6815:3e60, 2606:4700:3031::ac43:de77, 104.21.62.96 and 172.67.222.119.

Other host names, for instance mmsports.com, environmentalconsortium.org, rupyaulakh.com, yamile.net and www.lorini.net share IP numbers with instituteofcode.com.

Name Servers

Two name servers bruce.ns.cloudflare.com and cruz.ns.cloudflare.com handle delegation for instituteofcode.com.

instituteofcode.com uses the same name server setup as other domains, for example butterbeliever.com, pocket-knife.org, cridaperlademocracia.cat, judicidemocracia.cat and tmcexpo.com.

instituteofcode.com partially shares name servers with other domains; examples include ankaragundem.com.tr, g-richter.ru, dfmdemos.com, etraffic247.com and veraegames.com.

these name servers are commonly used with the name servers isabel.ns.cloudflare.com.

Host names with six IP numbers: bruce.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4d, 2803:f800:50::6ca2:c14d, 2a06:98c1:50::ac40:214d, 108.162.193.77, 172.64.33.77 and 173.245.59.77; cruz.ns.cloudflare.com points to: 2606:4700:50::adf5:3a58, 2803:f800:50::6ca2:c058, 2a06:98c1:50::ac40:2058, 108.162.192.88, 172.64.32.88 and 173.245.58.88.

Mail Servers

Five mail servers handle instituteofcode.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

instituteofcode.com shares some mail servers with other domains, at least partially, such as ns500737.ns500724.ns500737.ns500737.ns500737.ns500724.ns500737.ns500724.ns500724.ns500669.ns500669.yummyflingsfinder.com, ioradio.co.uk, ns500699.ns500699.ns500734.ns500734.ns500734.ns500734.ns500693.ns500588.ns500588.ns500693.ns500699.ns500588.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, ns500671.ns500742.ns500671.ns500754.ns500671.ns500671.ns500731.ns500731.ns500705.ns500671.ns500131.lustychickser.com and product-kick.com.

These mail servers are often used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27

instituteofcode.com - robtex.com