code4rena.com - dns.ninja

`code4rena.com`

DNSSEC	⚠️ Not signed
A	52.70.49.245^{🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix}
		PTR	`ec2-52-70-49-245.compute-1.amazonaws.com`
A	54.82.76.225^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
A	54.197.243.66^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
NS	`ns-574.awsdns-07.net` ⭐
		A	2600:9000:5302:3e00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-574.awsdns-07.net`
		A	205.251.194.62^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-574.awsdns-07.net`
NS	`ns-1483.awsdns-57.org`
		A	2600:9000:5305:cb00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1483.awsdns-57.org`
		A	205.251.197.203^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1483.awsdns-57.org`
NS	`ns-1781.awsdns-30.co.uk`
		A	2600:9000:5306:f500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1781.awsdns-30.co.uk`
		A	205.251.198.245^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1781.awsdns-30.co.uk`
NS	`ns-279.awsdns-34.com`
		A	2600:9000:5301:1700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-279.awsdns-34.com`
		A	205.251.193.23^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-279.awsdns-34.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-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::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.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	`MS=ms68297260`
TXT	`anthropic-domain-verification-hgsb1m=Z40sf6M8XPfbhKY4DjjMJxgCM`
TXT	`apple-domain-verification=bSLL87mM7TwazyWc`
TXT	`google-site-verification=tSVA7Wsy8Lt65y5yM_xiKy5sOC7UPhvrNfZbyqt9ylA`
TXT	`have-i-been-pwned-verification=dweb_jy9nrqwiuikvd5iroec5gbta`
TXT	`openai-domain-verification=dv-yqAkuMsKLvZyVYMHEIB8cZrl`
TXT	`rippling-domain-verification=c36f1f647ee54820`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`wallet-connect-dns-verification=c75cfc29819787426eb49b1a6386f917f45b39bd7439f...`
SOA	`ns-574.awsdns-07.net`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=1786485829

rank #401485 globally
rank #163389 in the tld
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #667,750

Subdomains

www.code4rena.com

Same first word

code4rena.dev

code4rena.com

DNS History

25 records (12 active, 13 former)

●NSns-1483.awsdns-57.org2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●NSns-1781.awsdns-30.co.uk2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●NSns-279.awsdns-34.com2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●NSns-574.awsdns-07.net2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●MXalt1.aspmx.l.google.com2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●MXalt2.aspmx.l.google.com2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●MXalt3.aspmx.l.google.com2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●MXalt4.aspmx.l.google.com2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

●MXaspmx.l.google.com2026-06-13 → 2026-08-11 · 2 obs

● 2026-06-13 16:06:24
● 2026-08-11 22:33:12

○A100.57.10.812026-08-04 → 2026-08-04 · 4 obs

○ 2026-07-15 19:27:32
● 2026-08-04 21:55:54
○ 2026-08-05 00:29:18
○ 2026-08-11 22:33:12

○A100.60.168.1152026-08-04 → 2026-08-04 · 4 obs

○ 2026-07-15 19:27:32
● 2026-08-04 21:55:54
○ 2026-08-05 00:29:18
○ 2026-08-11 22:33:12

○A13.216.199.552026-06-13 → 2026-06-13 · 3 obs

● 2026-06-13 16:06:24
○ 2026-07-15 19:27:32
○ 2026-08-11 22:33:12

○A3.230.161.2162026-06-13 → 2026-08-11 · 2 obs

○ 2026-06-13 16:06:24
○ 2026-08-11 22:33:12

○A44.215.255.262026-06-13 → 2026-08-11 · 2 obs

○ 2026-06-13 16:06:24
○ 2026-08-11 22:33:12

○A52.1.76.122026-06-13 → 2026-06-13 · 3 obs

● 2026-06-13 16:06:24
○ 2026-07-15 19:27:32
○ 2026-08-11 22:33:12

○A52.44.1.1762026-07-15 → 2026-07-15 · 4 obs

○ 2026-06-13 16:06:24
● 2026-07-15 19:27:32
○ 2026-08-04 21:55:54
○ 2026-08-11 22:33:12

●A52.70.49.2452026-08-05 → 2026-08-11 · 3 obs

○ 2026-08-04 21:55:54
● 2026-08-05 00:29:18
● 2026-08-11 22:33:12

○A52.71.170.1732026-07-15 → 2026-07-15 · 4 obs

○ 2026-06-13 16:06:24
● 2026-07-15 19:27:32
○ 2026-08-04 21:55:54
○ 2026-08-11 22:33:12

○A52.71.63.1702026-08-04 → 2026-08-04 · 4 obs

○ 2026-07-15 19:27:32
● 2026-08-04 21:55:54
○ 2026-08-05 00:29:18
○ 2026-08-11 22:33:12

○A52.72.99.812026-06-13 → 2026-08-11 · 2 obs

○ 2026-06-13 16:06:24
○ 2026-08-11 22:33:12

○A54.163.183.282026-07-15 → 2026-07-15 · 4 obs

○ 2026-06-13 16:06:24
● 2026-07-15 19:27:32
○ 2026-08-04 21:55:54
○ 2026-08-11 22:33:12

○A54.163.222.392026-06-13 → 2026-06-13 · 3 obs

● 2026-06-13 16:06:24
○ 2026-07-15 19:27:32
○ 2026-08-11 22:33:12

○A54.175.91.2052026-08-05 → 2026-08-05 · 4 obs

○ 2026-08-04 21:55:54
● 2026-08-05 00:29:18
○ 2026-08-11 22:33:10
○ 2026-08-11 22:33:12

●A54.197.243.662026-08-11 → 2026-08-11 · 3 obs

○ 2026-08-05 00:29:18
● 2026-08-11 22:33:10
● 2026-08-11 22:33:12

●A54.82.76.2252026-08-05 → 2026-08-11 · 3 obs

○ 2026-08-04 21:55:54
● 2026-08-05 00:29:18
● 2026-08-11 22:33:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
code4rena.com	ns-574.awsdns-07.net, ns-279.awsdns-34.com, ns-1781.awsdns-30.co.uk, ns-1483.awsdns-57.org	2 records

✅ Authoritative Response

Server:205.251.197.203

NS records: ns-574.awsdns-07.net, ns-279.awsdns-34.com, ns-1781.awsdns-30.co.uk, ns-1483.awsdns-57.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code4rena.com (unsigned zone)

⏱️ Timing

Total: 415ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.70.49.245, 54.197.243.66...`
NS	4	`ns-1483.awsdns-57.org, ns-1781.awsdns-30.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	9	`MS=ms68297260, anthropic-domain-verification-hgsb1m=Z40...`
SOA	1	`ns-574.awsdns-07.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-279.awsdns-34.com, ns-279.awsdns-34.com)

Analysis

Hierarchy

www.code4rena.com is delegated beneath code4rena.com.

IP Addresses

code4rena.com directs to three IP numbers: 52.70.49.245, 54.82.76.225 and 54.197.243.66.

Among the host names that share IP numbers with code4rena.com is ec2-54-82-76-225.compute-1.amazonaws.com, as one example.

Name Servers

The NS records for code4rena.com point to four name servers: ns-279.awsdns-34.com, ns-574.awsdns-07.net, ns-1483.awsdns-57.org and ns-1781.awsdns-30.co.uk.

There is at least partial name server overlap between code4rena.com and other domains — avtt.app, intromodeling.com, menguin.com and two more among them.

All four hostnames — ns-279.awsdns-34.com, ns-574.awsdns-07.net, ns-1483.awsdns-57.org and ns-1781.awsdns-30.co.uk — resolve to two IP numbers apiece: ns-279.awsdns-34.com to 205.251.193.23 and 2600:9000:5301:1700::1; ns-574.awsdns-07.net to 205.251.194.62 and 2600:9000:5302:3e00::1; ns-1483.awsdns-57.org to 205.251.197.203 and 2600:9000:5305:cb00::1; ns-1781.awsdns-30.co.uk to 205.251.198.245 and 2600:9000:5306:f500::1.

Mail Servers

code4rena.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between code4rena.com and other domains, including cthomesllc.com, supercurioso.com, ns500759.ns500698.ns500759.ns500736.ns500735.ns500698.ns500735.ns500698.ns500736.ns500708.ns500576.ns500686.ns500619.trackreceptor.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 64.233.180.27 and 2607:f8b0:4004:c19::1a.

The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1a.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.