`mail.contendon.com`

DNSSEC	⚠️ Not signed
A	47.254.92.90^{🇺🇸 Alibaba-Cloud47.254.64.0/18 Proxy-registered route object}
		PTR	`ninisilk.com`
		PTR	`new.showcloud.top`

`contendon.com`

	DNSSEC	⚠️ Not signed
	A	3.133.29.45^{🇺🇸 Amazon3.132.0.0/14 EC2 CMH prefix}
	NS	`dns23.hichina.com` ⭐
	NS	`dns24.hichina.com`
	MX	`mail.contendon.com` ⭐
	TXT	`v=spf1 ip4:47.254.92.90~all`
	SOA	`dns23.hichina.com`hostmaster@hichina.com 2026-01-12 #9

⚠️ On DNS blocklist: tif

MX for

contendon.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A47.254.92.902026-03-21 → 2026-03-22 · 2 obs

● 2026-03-21 18:09:34
● 2026-03-22 23:12:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...	-
contendon.com	dns23.hichina.com, dns24.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns23.hichina.com, dns24.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contendon.com (unsigned zone)

⏱️ Timing

Total: 494ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.254.92.90`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)

Analysis

Mail Server Role

mail.contendon.com serves as the mail server for contendon.com.

IP Addresses

mail.contendon.com resolves to a single IP address: 47.254.92.90.

Other host names including mail.thatsoforth.com, mail.zenopark.com, mail.troiphveilla.de, mail.recentof.com and mail.sponsorw.com share IP numbers with mail.contendon.com.

mail.contendon.com - robtex.com