`cdn-ux.us.code42.com`

DNSSEC	⚠️ Not signed
A	3.221.212.206^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-221-212-206.compute-1.amazonaws.com`
A	34.202.137.194^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}

`us.code42.com`

	DNSSEC	⚠️ Not signed
	NS	`ns-1851.awsdns-39.co.uk` ⭐
	NS	`ns-1506.awsdns-60.org`
	NS	`ns-4.awsdns-00.com`
	NS	`ns-926.awsdns-51.net`
	TXT	`v=spf1 include:amazonses.com ~all`
	SOA	`ns-1851.awsdns-39.co.uk`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (94/100)
WOT: SAFE (94/100)

DNS History

8 records (2 active, 6 former)

○A100.52.34.542026-02-17 → 2026-05-10 · 2 obs

○ 2026-02-17 08:57:08
○ 2026-05-10 21:03:22

○A107.22.220.282026-02-17 → 2026-02-17 · 4 obs

○ 2018-05-15 14:19:34
● 2026-02-17 08:57:08
○ 2026-05-09 23:03:42
○ 2026-05-10 21:03:22

○A13.216.106.2002026-02-17 → 2026-02-17 · 4 obs

○ 2018-05-15 14:19:34
● 2026-02-17 08:57:08
○ 2026-05-09 23:03:42
○ 2026-05-10 21:03:22

○A3.218.224.2382026-02-17 → 2026-05-10 · 2 obs

○ 2026-02-17 08:57:08
○ 2026-05-10 21:03:22

●A3.221.212.2062026-05-09 → 2026-05-10 · 3 obs

○ 2026-02-17 08:57:08
● 2026-05-09 23:03:42
● 2026-05-10 21:03:22

○A34.196.177.2102018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 14:19:34
○ 2026-02-17 08:57:08
○ 2026-05-10 21:03:22

●A34.202.137.1942026-05-09 → 2026-05-10 · 3 obs

○ 2026-02-17 08:57:08
● 2026-05-09 23:03:42
● 2026-05-10 21:03:22

○A34.225.199.1102018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 14:19:34
○ 2026-02-17 08:57:08
○ 2026-05-10 21:03:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
code42.com	lars.ns.cloudflare.com, daniella.ns.cloudflare.com	12 records
us.code42.com	ns-1506.awsdns-60.org, ns-1851.awsdns-39.co.uk, ns-4.awsdns-00.com, ns-926.awsdns-51.net	-

✅ Authoritative Response

Server:205.251.197.226

NS records: ns-1506.awsdns-60.org, ns-1851.awsdns-39.co.uk, ns-4.awsdns-00.com, ns-926.awsdns-51.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for us.code42.com (unsigned zone)

⏱️ Timing

Total: 515ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`34.202.137.194, 3.221.212.206`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cdn-ux.us.code42.com resolves to two IP numbers: 3.221.212.206 and 34.202.137.194.

Other host names, for instance ec2-3-221-212-206.compute-1.amazonaws.com, share IP numbers with cdn-ux.us.code42.com.

cdn-ux.us.code42.com - robtex.com