codingchallenges.fyi - robtex.com

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`codingchallenges.fyi`

	DNSSEC	⚠️ Not signed
	A	108.138.85.4^{🇺🇸 Amazon}
	A	108.138.85.73^{🇺🇸 Amazon}
	A	108.138.85.99^{🇺🇸 Amazon}
	A	108.138.85.105^{🇺🇸 Amazon}
	NS	`ns-19.awsdns-02.com` ⭐
			A	2600:9000:5300:1300::1^{🇺🇸 Amazon}
			A	205.251.192.19^{🇺🇸 Amazon}
	NS	`ns-1357.awsdns-41.org`
			A	2600:9000:5305:4d00::1^{🇺🇸 Amazon}
			A	205.251.197.77^{🇺🇸 Amazon}
	NS	`ns-2045.awsdns-63.co.uk`
			A	2600:9000:5307:fd00::1^{🇺🇸 Amazon}
			A	205.251.199.253^{🇺🇸 Amazon}
	NS	`ns-714.awsdns-25.net`
			A	2600:9000:5302:ca00::1^{🇺🇸 Amazon}
			A	205.251.194.202^{🇺🇸 Amazon}
	MX	`aspmx.l.google.com` ⭐
			A	2607:f8b0:4004:c23::1b^{🇺🇸 Google}
			A	172.253.63.27^{🇺🇸 Google}
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
			A	2a00:1450:400b:c02::1b^{🇮🇪 Google}
			A	172.253.116.27^{🇺🇸 Google}
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
			A	2a00:1450:4009:c0f::1a^{🇬🇧 Google}
			A	192.178.223.26^{🇺🇸 Google}
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
			A	2a00:1450:400c:c00::1a^{🇧🇪 Google}
			A	173.194.76.27^{🇺🇸 Google}
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
			A	2a00:1450:4025:402::1b^{🇳🇱 Google}
			A	142.250.102.26^{🇺🇸 Google}
	TXT	`google-site-verification=11yySXBLPN7PanxZtb8mZypecrDmYXLJp89r4HxORrE`
	SOA	`ns-19.awsdns-02.com`awsdns-hostmaster@amazon.com serial=1

`fyi`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.fyi` ⭐
	NS	`v0n1.nic.fyi`
	NS	`v0n2.nic.fyi`
	NS	`v0n3.nic.fyi`
	NS	`v2n0.nic.fyi`
	NS	`v2n1.nic.fyi`
	SOA	`v0n0.nic.fyi`hostmaster@donuts.email serial=1769612696

Same first word

codingchallenges.fyi

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fyi	v0n0.nic.fyi, v0n1.nic.fyi, v0n2.nic.fyi, v0n3.nic.fyi...	12 records
codingchallenges.fyi	ns-19.awsdns-02.com, ns-1357.awsdns-41.org, ns-2045.awsdns-63.co.uk, ns-714.awsdns-25.net	-

✅ Authoritative Response

Server: 65.22.20.42

NS records: ns-19.awsdns-02.com, ns-1357.awsdns-41.org, ns-2045.awsdns-63.co.uk, ns-714.awsdns-25.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codingchallenges.fyi (unsigned zone)

⏱️ Timing

Total: 559ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.85.99, 108.138.85.105...`
NS	4	`ns-1357.awsdns-41.org, ns-19.awsdns-02.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=11yySXBLPN7Panx`
SOA	1	`ns-19.awsdns-02.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.fyi, v0n1.nic.fyi, v0n2.nic.fyi...)

AI analysis

codingchallenges.fyi maps to four IP numbers: 108.138.85.4, 108.138.85.73, 108.138.85.99 and 108.138.85.105.

Other host names such as d19u8gj19tujk2.cloudfront.net, d1m31fh2td71nx.cloudfront.net, apps.prdge.us-east-1.657ab7be-26f1-4446-bfd3-3eae6ee3bcfc.info, geo.dev.lotterydev.com and patterncares.com share IPs with codingchallenges.fyi.

codingchallenges.fyi is delegated to four name servers: ns-19.awsdns-02.com, ns-714.awsdns-25.net, ns-1357.awsdns-41.org and ns-2045.awsdns-63.co.uk.

codingchallenges.fyi at least partially shares name servers with other domains, for example with.digital, pinewines.com, corecarbon.com, jellybaby.com and telkominsurance.co.za.

these name servers are commonly used with the following name servers: ns-640.awsdns-16.net, ns-590.awsdns-09.net, ns-1861.awsdns-40.co.uk, ns-275.awsdns-34.com, ns-1683.awsdns-18.co.uk, ns-1845.awsdns-38.co.uk, ns-8.awsdns-01.com, ns-1453.awsdns-53.org, ns-125.awsdns-15.com and ns-1500.awsdns-59.org.

Host names with two IP numbers:

ns-19.awsdns-02.com points to: 2600:9000:5300:1300::1 and 205.251.192.19

ns-714.awsdns-25.net points to: 2600:9000:5302:ca00::1 and 205.251.194.202

ns-1357.awsdns-41.org points to: 2600:9000:5305:4d00::1 and 205.251.197.77

ns-2045.awsdns-63.co.uk points to: 2600:9000:5307:fd00::1 and 205.251.199.253

codingchallenges.fyi is handled by five mail servers: 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.

codingchallenges.fyi shares at least partially some mail servers with other domains, for instance investprime.com.br, fmopa.org, kenziekincaid.com, ns500754.ns500671.ns500671.ns500731.ns500754.ns500704.ns500678.ns500291.ns500291.ns500666.ns500649.ns500153.tenderladiesbz.com and ns500698.ns500698.ns500758.ns500759.ns500735.ns500736.ns500735.ns500735.ns500736.ns500698.ns500735.ns500708.ns500698.ns500708.ns500698.ns500652.trackreceptor.com.

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

Host names with two IP numbers

Each host name points to two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c23::1b and 172.253.63.27

alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27

alt2.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26

alt3.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27

alt4.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.26