`mail.sw51.com`

	CNAME	`wangpu-cn.alibaba.com`
	DNSSEC	⚠️ Not signed
	A	110.173.196.1^{🇨🇳 Alibaba-Cloud110.173.196.0/24 Alibaba (US) Technology Co., Ltd.}

`sw51.com`

	DNSSEC	⚠️ Not signed
	A	110.173.196.1^{🇨🇳 Alibaba-Cloud110.173.196.0/24 Alibaba (US) Technology Co., Ltd.}
	NS	`dns1.4cun.com` ⭐
	NS	`dns.4cun.com` ⚠️ Not in zone NS records
	NS	`dns2.51dns.top` ⚠️ Not in zone NS records
	MX	`mxdomain.qq.com` ⭐
	TXT	`v=spf1 include:spf.mail.qq.com ~all`
	SOA	`dns.4cun.com`admin@sw51.com serial=1773823152

Previously MX for

sw51.com

Same first word

mail.fastvps.host

mail.style

mail.altervista.org

mail.monster

mail.awsapps.com

mail.biz

mail.gov.lv

mail.jetzt

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mail.direct

mail.yandex

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mail.vacations

mail.my

mail.gov.mz

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mail.veterinaire.fr

mail.ee

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imal.info

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amil.business

lima.vn

mila.ie

amli.cn

liam.cn

alim.cl

lami.es

amil.no

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sw51.com	dns1.4cun.com, dns2.51dns.top	2 records

✅ Authoritative Response

Server:61.172.183.74

NS records: dns1.4cun.com, dns2.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sw51.com (unsigned zone)

⏱️ Timing

Total: 999ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`wangpu-cn.alibaba.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.4cun.com, dns1.4cun.com)

Analysis

IP Addresses

mail.sw51.com resolves to one IP address: 110.173.196.1.

jcsnj.cn, senbopaper.com, szmte.com and two other host names share IP numbers with mail.sw51.com.

mail.sw51.com - robtex.com

mail.sw51.com

sw51.com