`df5.51.net`

	DNSSEC	⚠️ Not signed
	A	211.157.179.91^{🇨🇳 CHINA-1211.157.160.0/19 China Telecom Beijing Co. Ltd.}

`51.net`

	DNSSEC	⚠️ Not signed
	A	117.78.50.71^{🇨🇳 HWCSNET117.78.48.0/21 Huawei Technologies Co., Ltd}
	NS	`51.net` ⭐
	NS	`dns1.51.net` ⚠️ Not in parent delegation
	NS	`dns2.51.net` ⚠️ Not in parent delegation
	NS	`ns1.51.net` ⚠️ Not in zone NS records
	NS	`ns2.51.net` ⚠️ Not in zone NS records
	MX	`mxbiz1.qq.com` ⭐
	MX	`mxbiz2.qq.com`⁽¹⁰⁾
	TXT	`v=spf1 ip4:49.4.6.29 include:spf.mail.qq.com ~all`
	SOA	`51.net`root@51.net 2009-12-15 #13

WOT: SAFE (61/100)
rank #53316 globally
rank #1733 in the tld
WOT: SAFE (64/100)
📈 Tranco rank: #85,423

Same first word

df5.com

df5.com.cn

df5.pro

df5.me

df5.fr

df5.co.uk

df5.net

df5.xyz

df5.de

df5.ru

df5.org

Similar names

5fd.cn

5df.com

f5d.xyz

d5f.org

5fd.casino

5df.de

d5f.cn

f5d.org

f5d.com

5df.ru

d5f.ru

f5d.net

d5f.com

fd5.com

5fd.com

f5d.de

fd5.org

DNS History

1 record (1 active, 0 former)

●A211.157.179.912026-02-15 → 2026-05-11 · 2 obs

● 2026-02-15 17:57:06
● 2026-05-11 06:32:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	e.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
51.net	ns1.51.net, ns2.51.net	3 records

✅ Authoritative Response

Server:49.4.6.171

NS records: ns1.51.net, ns2.51.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51.net (unsigned zone)

⏱️ Timing

Total: 831ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.157.179.91`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (ns1.51.net, ns2.51.net, ns2.51.net)

Analysis

IP Addresses

df5.51.net points to a single IP number: 211.157.179.91.

df5.51.net - robtex.com

df5.51.net

51.net