`api.worldchess.com`

DNSSEC	⚠️ Not signed
A	18.239.168.9^{🇺🇸 Amazon18.239.168.0/23}
		PTR	`server-18-239-168-9.bos50.r.cloudfront.net`
A	18.239.168.98^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.104^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.115^{🇺🇸 Amazon18.239.168.0/23}

`worldchess.com`

	DNSSEC	⚠️ Not signed
	A	2600:9000:200b:1200:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	2600:9000:200b:2200:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	2600:9000:200b:2c00:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	2600:9000:200b:4000:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	2600:9000:200b:8600:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	2600:9000:200b:9800:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	2600:9000:200b:ce00:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	2600:9000:200b:f200:4:5f46:4c00:93a1^{🇺🇸 Amazon2600:9000:200b::/48 - CloudFront}
	A	13.33.109.4^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	A	13.33.109.15^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	A	13.33.109.47^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	A	13.33.109.113^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
	NS	`ns-373.awsdns-46.com` ⭐
	NS	`ns-1429.awsdns-50.org`
	NS	`ns-1693.awsdns-19.co.uk`
	NS	`ns-986.awsdns-59.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`atlassian-domain-verification=6AQmLdKcv0b9BkHiGQtJh6qNykjRrMVAqyl38yqvOD3mux7...`
	TXT	`facebook-domain-verification=by9vc7l21aypww8qybc0zz3eflmw6r`
	TXT	`google-site-verification=BbxGjibs_UCM3X91IkkG_zbb1dN-4Wtikn4u99QXiLM`
	TXT	`google-site-verification=KMaDWIXQ1iM7Lh_uailLvQNIof5UWhOLzse9j3mQVXY`
	TXT	`google-site-verification=d3eeEIZmpXzZNV-KJNgft5k-qjvFZxYWOYdYOlaYgkw`
	TXT	`google-site-verification=l8MPGitI6trWO7J7I19Wy2nCz6Jw1QHtNGKKeyd2NZI`
	TXT	`v=spf1 include:_spf.google.com -all`
	TXT	`yandex-verification: ec26d7065cb59473`
	SOA	`ns-373.awsdns-46.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (62/100)
rank #181224 globally
rank #73471 in the tld
WOT: SAFE (69/100)
📈 Tranco rank: #81,170

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DNS History

28 records (4 active, 24 former)

○A13.226.144.342026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 15:41:28
● 2026-04-19 00:20:42
○ 2026-04-27 19:52:24
○ 2026-05-01 01:04:46

○A13.226.144.422026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 15:41:28
● 2026-04-19 00:20:42
○ 2026-04-27 19:52:24
○ 2026-05-01 01:04:46

○A13.226.144.472026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 15:41:28
● 2026-04-19 00:20:42
○ 2026-04-27 19:52:24
○ 2026-05-01 01:04:46

○A13.226.144.92026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 15:41:28
● 2026-04-19 00:20:42
○ 2026-04-27 19:52:24
○ 2026-05-01 01:04:46

○A13.227.107.282026-04-28 → 2026-04-29 · 9 obs

○ 2026-04-28 12:09:04
● 2026-04-28 12:43:36
○ 2026-04-28 14:01:18
● 2026-04-28 15:42:50
○ 2026-04-29 01:27:58
○ 2026-04-29 09:29:08
● 2026-04-29 10:49:22
○ 2026-04-29 16:10:24
○ 2026-05-01 01:04:46

○A13.227.107.502026-04-28 → 2026-04-29 · 9 obs

○A13.227.107.702026-04-28 → 2026-04-29 · 9 obs

○A13.227.107.842026-04-28 → 2026-04-29 · 9 obs

○A13.227.110.1052026-04-30 → 2026-04-30 · 7 obs

○ 2026-04-30 01:24:16
● 2026-04-30 16:25:26
○ 2026-04-30 19:07:40
○ 2026-04-30 21:39:46
● 2026-04-30 22:20:32
○ 2026-05-01 00:02:22
○ 2026-05-01 01:04:46

○A13.227.110.652026-04-30 → 2026-04-30 · 7 obs

○ 2026-04-30 01:24:16
● 2026-04-30 16:25:26
○ 2026-04-30 19:07:40
○ 2026-04-30 21:39:46
● 2026-04-30 22:20:32
○ 2026-05-01 00:02:22
○ 2026-05-01 01:04:46

○A13.227.110.672026-04-30 → 2026-04-30 · 7 obs

○ 2026-04-30 01:24:16
● 2026-04-30 16:25:26
○ 2026-04-30 19:07:40
○ 2026-04-30 21:39:46
● 2026-04-30 22:20:32
○ 2026-05-01 00:02:22
○ 2026-05-01 01:04:46

○A13.227.110.972026-04-30 → 2026-04-30 · 7 obs

○ 2026-04-30 01:24:16
● 2026-04-30 16:25:26
○ 2026-04-30 19:07:40
○ 2026-04-30 21:39:46
● 2026-04-30 22:20:32
○ 2026-05-01 00:02:22
○ 2026-05-01 01:04:46

○A13.33.129.1272026-04-28 → 2026-04-28 · 4 obs

○ 2026-04-27 19:52:24
● 2026-04-28 01:13:20
○ 2026-04-28 12:09:04
○ 2026-05-01 01:04:46

○A13.33.129.272026-04-28 → 2026-04-28 · 4 obs

○ 2026-04-27 19:52:24
● 2026-04-28 01:13:20
○ 2026-04-28 12:09:04
○ 2026-05-01 01:04:46

○A13.33.129.492026-04-28 → 2026-04-28 · 4 obs

○ 2026-04-27 19:52:24
● 2026-04-28 01:13:20
○ 2026-04-28 12:09:04
○ 2026-05-01 01:04:46

○A13.33.129.922026-04-28 → 2026-04-28 · 4 obs

○ 2026-04-27 19:52:24
● 2026-04-28 01:13:20
○ 2026-04-28 12:09:04
○ 2026-05-01 01:04:46

●A18.239.168.1042026-04-29 → 2026-05-01 · 11 obs

○ 2026-04-28 15:42:50
● 2026-04-29 01:27:58
● 2026-04-29 09:29:08
○ 2026-04-29 10:49:22
○ 2026-04-30 16:25:26
● 2026-04-30 19:07:40
● 2026-04-30 21:39:46
○ 2026-04-30 22:20:32
○ 2026-05-01 00:02:22
● 2026-05-01 01:04:44
● 2026-05-01 01:04:46

●A18.239.168.1152026-04-29 → 2026-05-01 · 11 obs

●A18.239.168.92026-04-29 → 2026-05-01 · 11 obs

●A18.239.168.982026-04-29 → 2026-05-01 · 11 obs

○A3.174.29.1022026-04-15 → 2026-04-18 · 4 obs

● 2026-04-15 23:10:18
● 2026-04-18 15:41:28
○ 2026-04-19 00:20:42
○ 2026-05-01 01:04:46

○A3.174.29.1042026-04-15 → 2026-04-18 · 4 obs

● 2026-04-15 23:10:18
● 2026-04-18 15:41:28
○ 2026-04-19 00:20:42
○ 2026-05-01 01:04:46

○A3.174.29.482026-04-15 → 2026-04-18 · 4 obs

● 2026-04-15 23:10:18
● 2026-04-18 15:41:28
○ 2026-04-19 00:20:42
○ 2026-05-01 01:04:46

○A3.174.29.72026-04-15 → 2026-04-18 · 4 obs

● 2026-04-15 23:10:18
● 2026-04-18 15:41:28
○ 2026-04-19 00:20:42
○ 2026-05-01 01:04:46

○A99.86.91.442026-04-27 → 2026-05-01 · 15 obs

○ 2026-04-19 00:20:42
● 2026-04-27 19:52:24
○ 2026-04-28 01:13:20
● 2026-04-28 12:09:04
○ 2026-04-28 12:43:36
● 2026-04-28 14:01:18
○ 2026-04-28 15:42:50
○ 2026-04-29 10:49:22
● 2026-04-29 16:10:24
● 2026-04-30 01:24:16
○ 2026-04-30 16:25:26
○ 2026-04-30 22:20:32
● 2026-05-01 00:02:22
○ 2026-05-01 01:04:44
○ 2026-05-01 01:04:46

○A99.86.91.62026-04-27 → 2026-05-01 · 15 obs

○A99.86.91.652026-04-27 → 2026-05-01 · 15 obs

○A99.86.91.92026-04-27 → 2026-05-01 · 15 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
worldchess.com	ns-373.awsdns-46.com, ns-986.awsdns-59.net, ns-1693.awsdns-19.co.uk, ns-1429.awsdns-50.org	2 records

✅ Authoritative Response

Server:205.251.193.117

NS records: ns-373.awsdns-46.com, ns-986.awsdns-59.net, ns-1693.awsdns-19.co.uk, ns-1429.awsdns-50.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worldchess.com (unsigned zone)

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.239.168.98, 18.239.168.115...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-373.awsdns-46.com, ns-373.awsdns-46.com)

Analysis

IP Addresses

api.worldchess.com resolves to four IP numbers: 18.239.168.9, 18.239.168.98, 18.239.168.104 and 18.239.168.115.

other host names for instance email.bracketchallenge.ncaa.sportstechapp.com, sagah.com.br, d3ukd4ksgwfvxh.cloudfront.net, postops.4me.im and aoctavia.com share IP numbers with api.worldchess.com.

api.worldchess.com - robtex.com