mail.codeforce.com - dns.ninja

`mail.codeforce.com`

DNSSEC

⚠️ Not signed

`codeforce.com`

	DNSSEC	⚠️ Not signed
	A	160.153.0.114^{🇺🇸 CLOUDFLARESPECTRUM160.153.0.0/24 MWP}
	NS	`ns15.domaincontrol.com` ⭐
	NS	`ns16.domaincontrol.com`
	MX	`codeforce-com.mail.protection.outlook.com` ⭐
	TXT
	TXT	`ca3-4a6cb3bc38e140e5b19cce1f5b4a9bcd`
	TXT	`google-site-verification=f3Hn5XQec7J_Fodt4eU6muMe6_fX_9P6xmSRTOkmY-k`
	TXT	`tu86bqboe88d65ukhq1snq62ru`
	TXT	`v=spf1 include:spf.protection.outlook.com include:mailgun.org ~all`
	SOA	`ns15.domaincontrol.com`dns@jomax.net 2026-05-06 #1

Previously MX for

codeforce.com

Same first word

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DNS History

1 record (0 active, 1 former)

○A50.255.61.1482015-05-25 → 2016-08-02 · 4 obs

● 2015-05-25 14:07:36
● 2016-08-02 20:28:12
○ 2026-03-22 21:22:40
○ 2026-08-06 05:33:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...	-
codeforce.com	ns15.domaincontrol.com, ns16.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.75.8

NS records: ns15.domaincontrol.com, ns16.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeforce.com (unsigned zone)

⏱️ Timing

Total: 90ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns15.domaincontrol.com, ns15.domaincontrol.com, ns16.domaincontrol.com...)