codility.com - dns.ninja

`codility.com`

DNSSEC	⚠️ Not signed
A	44.210.12.211^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
		PTR	`ec2-44-210-12-211.compute-1.amazonaws.com`
A	52.73.41.252^{🇺🇸 Amazon52.72.0.0/15 EC2 IAD prefix}
A	54.226.249.62^{🇺🇸 Amazon54.226.0.0/15 EC2 IAD prefix}
NS	`ns-1703.awsdns-20.co.uk` ⭐
		A	2600:9000:5306:a700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1703.awsdns-20.co.uk`
		A	205.251.198.167^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1703.awsdns-20.co.uk`
NS	`ns-110.awsdns-13.com`
		A	2600:9000:5300:6e00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-110.awsdns-13.com`
		A	205.251.192.110^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-110.awsdns-13.com`
NS	`ns-1413.awsdns-48.org`
		A	2600:9000:5305:8500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1413.awsdns-48.org`
		A	205.251.197.133^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1413.awsdns-48.org`
NS	`ns-810.awsdns-37.net`
		A	2600:9000:5303:2a00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-810.awsdns-37.net`
		A	205.251.195.42^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-810.awsdns-37.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		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	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`00D20000000DPSA=1TBIV00000007eD`
TXT	`MS=ms30517034`
TXT	`MS=ms60916680`
TXT	`adobe-idp-site-verification=dd37b18b97160a8e6304c992a6a30f6169fb1346a33a9441e...`
TXT	`anthropic-domain-verification-7tdtss=GGrwHM7Qp3cXaybBPud3i73BT`
TXT	`apple-domain-verification=7rzqFOaT8TFh0ube`
TXT	`asv=08f1a733fda14550f1373503af60cf8f`
TXT	`atlassian-domain-verification=a4SATWYEfG3jgCqYhOXw7xR4aTLUaRjBuVe5C62XKN97AAi...`
TXT	`cursor-domain-verification-mz7j8c=GQEWKWkzP414t98vmYvkFIVXT`
TXT	`docusign=fe36e04b-6353-4e90-a8d1-421a0c4743f5`
TXT	`drift-domain-verification=7f3ee66e4e4d28ea439e8a85a3aeb5b66072fc52fbc5a27742d...`
TXT	`google-site-verification=3_zdKwo6kXvxKkwwEXtK8nLXhDM99XDFN8WxwEWjIUM`
TXT	`google-site-verification=bSz1leC9mDot_UYB7ET3938kQ4BsIeirnetcTK6gkeI`
TXT	`google-site-verification=coq-h3H1h1WzKdhwqpjIVbWlDr_oz35FBjnPUoGVN7U`
TXT	`google-site-verification=iZd5zPyck-EywQlf6Yv3md6BGKMtVhgoljXm4A5IYZw`
TXT	`miro-verification=d3099934f23316e782353d5c16e2afa070034820`
TXT	`onetrust-domain-verification=359b9090edd64976a9a074a70896c34c`
TXT	`openai-domain-verification=dv-6YEhLtKjUnFpMmboQOMlSVm1`
TXT	`pandadoc-domain-verification=ZJYdV4GvsScT8UHNcfgJ2E`
TXT	`pendo-domain-verification=6a5daeef-4fdd-4ae1-b5ee-e9071484db73`
TXT	`reachdesk-verification=f8fr8uNwo4HmdPlnH6OjiKG98RZnOHbFYNRqosOhmdUFHDpcmJFNQ5...`
TXT	`stripe-verification=82F0ADF6F9C30486BA8D9424A1E687BD569CB460967955793B847085B...`
TXT	`v=spf1 include:sendgrid.net include:mail.zendesk.com include:_spf.google.com ...`
TXT	`zoho-verification=zb61344555.zmverify.zoho.eu`
SOA	`ns-1703.awsdns-20.co.uk`awsdns-hostmaster@amazon.com serial=1

`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=1783821127

rank #94745 globally
rank #44101 in the tld
WOT: SAFE (89/100)
📈 Tranco rank: #189,016

Subdomains

app.codility.com

matomo.codility.com

blog.codility.com

www.codility.com

app-eu.codility.com

support.codility.com

Same first word

codility.co

codility.co.in

codility.net

codility.org

codility.com

codility.in

codility.co.uk

codility.eu

Similar names

citylido.com

idolytic.com

lidocity.com

ioldcity.com

idolcity.com

docility.com

cityidol.com

DNS History

14 records (12 active, 2 former)

●NSns-110.awsdns-13.com2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●NSns-1413.awsdns-48.org2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●NSns-1703.awsdns-20.co.uk2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●NSns-810.awsdns-37.net2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●MXalt1.aspmx.l.google.com2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●MXalt2.aspmx.l.google.com2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●MXaspmx.l.google.com2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●MXaspmx2.googlemail.com2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●MXaspmx3.googlemail.com2015-08-20 → 2026-07-12 · 2 obs

● 2015-08-20 08:13:42
● 2026-07-12 02:00:52

●A44.210.12.2112026-03-30 → 2026-07-12 · 3 obs

○ 2021-08-10 12:00:46
● 2026-03-30 21:34:56
● 2026-07-12 02:00:52

○A52.71.87.1442016-01-06 → 2021-08-10 · 5 obs

○ 2016-01-03 22:05:46
● 2016-01-06 06:59:18
● 2021-08-10 12:00:46
○ 2026-03-30 21:34:56
○ 2026-07-12 02:00:52

●A52.73.41.2522026-03-30 → 2026-07-12 · 3 obs

○ 2021-08-10 12:00:46
● 2026-03-30 21:34:56
● 2026-07-12 02:00:52

○A54.225.111.2452015-08-20 → 2016-01-03 · 4 obs

● 2015-08-20 08:13:42
● 2016-01-03 22:05:46
○ 2016-01-06 06:59:18
○ 2026-07-12 02:00:52

●A54.226.249.622026-03-30 → 2026-07-12 · 3 obs

○ 2021-08-10 12:00:46
● 2026-03-30 21:34:56
● 2026-07-12 02:00:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
codility.com	ns-110.awsdns-13.com, ns-810.awsdns-37.net, ns-1703.awsdns-20.co.uk, ns-1413.awsdns-48.org	2 records

✅ Authoritative Response

Server:205.251.192.110

NS records: ns-110.awsdns-13.com, ns-810.awsdns-37.net, ns-1703.awsdns-20.co.uk, ns-1413.awsdns-48.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codility.com (unsigned zone)

⏱️ Timing

Total: 3661ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`54.226.249.62, 44.210.12.211...`
NS	4	`ns-110.awsdns-13.com, ns-1413.awsdns-48.org...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	24	`00D20000000DPSA=1TBIV00000007eD, MS=ms30517034...`
SOA	1	`ns-1703.awsdns-20.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-110.awsdns-13.com, ns-110.awsdns-13.com)

Analysis

Hierarchy

app.codility.com, matomo.codility.com, blog.codility.com, www.codility.com, app-eu.codility.com and a few other host names are all children of codility.com.

IP Addresses

codility.com has three IP addresses: 44.210.12.211, 52.73.41.252 and 54.226.249.62.

Two other host names, along with dility.com, codility.org and ec2-54-226-249-62.compute-1.amazonaws.com, also share IP numbers with codility.com.

Name Servers

The NS records for codility.com point to four name servers: ns-110.awsdns-13.com, ns-810.awsdns-37.net, ns-1413.awsdns-48.org and ns-1703.awsdns-20.co.uk.

The name servers of codility.com overlap at least partially with those of other domains — among them mapify.so, patobrienchevy.com, rdmobile.net and two more.

Each of the four hosts ns-110.awsdns-13.com, ns-810.awsdns-37.net, ns-1413.awsdns-48.org and ns-1703.awsdns-20.co.uk has two IP addresses. ns-110.awsdns-13.com points to 205.251.192.110 and 2600:9000:5300:6e00::1. ns-810.awsdns-37.net points to 205.251.195.42 and 2600:9000:5303:2a00::1. ns-1413.awsdns-48.org points to 205.251.197.133 and 2600:9000:5305:8500::1. ns-1703.awsdns-20.co.uk points to 205.251.198.167 and 2600:9000:5306:a700::1.

Mail Servers

codility.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between codility.com and other domains, including pwsystems.com.br, ns500758.ns500758.ns500698.ns500698.ns500735.ns500698.ns500735.ns500576.ns500576.ns500652.ns500576.tracksymphony.com, jxidc.com and two others.

These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com directs traffic to 142.250.31.26 and 2607:f8b0:4004:c25::1a.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1a IP addresses each.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1a IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.27 IP addresses each.