`mail.optionalm.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`

`optionalm.com`

	DNSSEC	⚠️ Not signed
	A	15.197.163.250^{🇺🇸 Amazon15.197.160.0/20}
	NS	`dns17.hichina.com` ⭐
	NS	`dns18.hichina.com`
	MX	`mail.optionalm.com` ⭐
	TXT	`v=spf1 ip4:47.254.92.90~all`
	SOA	`dns17.hichina.com`hostmaster@hichina.com 2026-01-12 #9

⚠️ On DNS blocklist: tif

MX for

optionalm.com

Same first word

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mail.cm

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mail.poivron.org

mail.dnshome.de

mail.jp

mail.mp

mail.ac

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DNS History

1 record (1 active, 0 former)

●A47.254.92.902026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:58:20
● 2026-03-23 16:43:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optionalm.com	dns17.hichina.com, dns18.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optionalm.com (unsigned zone)

⏱️ Timing

Total: 3622ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.254.92.90`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)

Analysis

Mail Server Role

mail.optionalm.com acts as a mail server for optionalm.com.

IP Addresses

mail.optionalm.com points to a single IP number: 47.254.92.90.

Other host names, for instance mail.broadicast.com, mail.holdonpretty.com, mail.pmneclip.com, mail.gloryboom.com and mail.aoptional.com share IP numbers with mail.optionalm.com.

mail.optionalm.com - robtex.com