`mail.fastclouds.com.cn`

DNSSEC	⚠️ Not signed
A	52.83.70.5^{🇨🇳 WESTCLOUDDATA52.83.64.0/18 Amazon EC2 ZHY prefix}
		PTR	`ec2-52-83-70-5.cn-northwest-1.compute.amazonaws.com.cn`
A	52.83.111.45^{🇨🇳 WESTCLOUDDATA52.83.64.0/18 Amazon EC2 ZHY prefix}
A	115.159.203.177^{🇨🇳 TENCENT-NET-AP115.159.202.0/23 Proxy-registered route object}
A	123.206.198.96^{🇨🇳 TENCENT-NET-AP123.206.198.0/23}
A	182.254.145.193^{🇨🇳 TENCENT-NET-AP182.254.144.0/23 Proxy-registered route object}
TXT	`v=spf1 mx mx:fastclouds.com.cn ip4:52.83.111.45 ip4:52.83.70.5 ip4:115.159.20...`

`fastclouds.com.cn`

	DNSSEC	⚠️ Not signed
	A	47.111.25.181^{🇨🇳 Alibaba-Cloud47.111.0.0/16}
	A	172.81.224.65^{🇨🇳 TENCENT-NET-AP172.81.224.0/20}
	A	172.81.250.124^{🇨🇳 TENCENT-NET-AP172.81.240.0/20}
	A	180.103.117.25^{🇨🇳 CHINANET-BACKBONE180.96.0.0/11 Mega-II IDC}
	NS	`ns3.dnsv3.com` ⭐
	NS	`ns4.dnsv3.com`
	MX	`mail.fastclouds.com.cn` ⭐
	MX	`mx01.dm.aliyun.com`⁽¹⁰⁾
	TXT	`v=spf1 include:spf1.dm.aliyun.com mx mx:fastclouds.com.cn ip4:52.83.111.45 ip...`
	SOA	`ns3.dnsv3.com`enterprise1dnsadmin@dnspod.com serial=1775197085

📈 Tranco rank: #988,664

PTR for

193.145.254.182.in-addr.arpa

177.203.159.115.in-addr.arpa

96.198.206.123.in-addr.arpa

MX for

fastclouds.com.cn

Same first word

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DNS History

5 records (5 active, 0 former)

●A115.159.203.1772026-03-31 → 2026-04-12 · 2 obs

● 2026-03-31 13:43:16
● 2026-04-12 00:08:54

●A123.206.198.962026-03-31 → 2026-04-12 · 2 obs

● 2026-03-31 13:43:16
● 2026-04-12 00:08:54

●A182.254.145.1932026-03-31 → 2026-04-12 · 2 obs

● 2026-03-31 13:43:16
● 2026-04-12 00:08:54

●A52.83.111.452026-03-31 → 2026-04-12 · 2 obs

● 2026-03-31 13:43:16
● 2026-04-12 00:08:54

●A52.83.70.52026-03-31 → 2026-04-12 · 2 obs

● 2026-03-31 13:43:16
● 2026-04-12 00:08:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
fastclouds.com.cn	ns3.dnsv3.com, ns4.dnsv3.com	-

✅ Authoritative Response

Server:220.196.136.54

NS records: ns3.dnsv3.com, ns4.dnsv3.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fastclouds.com.cn (unsigned zone)

⏱️ Timing

Total: 4264ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`115.159.203.177, 123.206.198.96...`
TXT	1	`v=spf1 mx mx:fastclouds.com.cn ip4:52.83`

Analysis

Mail Server Role

mail.fastclouds.com.cn serves as the mail server for fastclouds.com.cn.

mx01.dm.aliyun.com commonly serves as a mail server along with mail.fastclouds.com.cn.

IP Addresses

mail.fastclouds.com.cn points to five IPs: 52.83.70.5, 52.83.111.45, 115.159.203.177, 123.206.198.96 and 182.254.145.193.

mail.fastclouds.com.cn - robtex.com