`wfdb.cn`

	CNAME	`22.swnic.com`
	DNSSEC	⚠️ Not signed
	A	47.243.64.211^{🇭🇰 Alibaba-Cloud47.243.0.0/16 Proxy-registered route object}

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034591255

Previously NS for

wfdb.cn

Same first word

wfdb.io

wfdb.org

wfdb.com

wfdb.readthedocs.io

wfdb.co.uk

wfdb.cn

wfdb.de

Similar names

bfwd.com

wfbd.com.au

fdbw.com.cn

fwdb.net

fdwb.cn

bfwd.co.uk

bfdw.mobi

dwfb.de

dbwf.co.uk

wdfb.de

bfwd.de

fbwd.de

fwdb.ru

fwbd.eu

fdwb.com

dwfb.ch

fbwd.net

wfbd.com

bdfw.com

fwbd.ch

dbfw.cn

fbwd.org

fbwd.com

wbfd.ap-south-1.elasticbeanstalk.com

bdwf.org

bfdw.at

bwfd.info

fbdw.de

fwbd.de

bfdw.de

dfwb.com

dbfw.com

bfdw.net

wbdf.com

dbwf.dk

fbwd.cn

fwbd.net

wdfb.com

wbfd.xyz

fdwb.de

wdfb.se

wbfd.net

fwbd.ca

bdfw.net.cn

wbdf.cn

bfwd.net

dbfw.de

fwbd.com

bfdw.org

wdbf.cn

wfbd.com.br

DNS History

6 records (3 active, 3 former)

●NSbill.dnspod.net2026-03-03 → 2026-03-27 · 3 obs

○ 2020-01-04 14:54:36
● 2026-03-03 12:31:08
● 2026-03-27 01:26:20

○NSdns1.iidns.com2017-03-16 → 2017-03-16 · 4 obs

○ 2015-06-27 15:50:02
● 2017-03-16 12:18:50
○ 2020-01-04 14:54:36
○ 2026-03-27 01:26:20

●NSvictory.dnspod.net2026-03-03 → 2026-03-27 · 3 obs

○ 2020-01-04 14:54:36
● 2026-03-03 12:31:08
● 2026-03-27 01:26:20

○NSwfdb.cn2015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 15:50:02
○ 2017-03-16 12:18:50
○ 2026-03-27 01:26:20

○A174.139.3.262015-06-27 → 2015-06-27 · 3 obs

● 2015-06-27 15:50:02
○ 2017-03-16 12:18:50
○ 2026-03-27 01:26:20

●CNAME22.swnic.com2026-03-03 → 2026-03-27 · 2 obs

● 2026-03-03 12:31:08
● 2026-03-27 01:26:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
wfdb.cn	bill.dnspod.net, victory.dnspod.net	-

✅ Authoritative Response

Server:1.12.0.4

NS records: bill.dnspod.net, victory.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wfdb.cn (unsigned zone)

⏱️ Timing

Total: 1287ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`bill.dnspod.net, victory.dnspod.net`
CNAME	1	`22.swnic.com`
SOA	1	`bill.dnspod.net freednsadmin.dnspod.com`

Analysis

IP Addresses

wfdb.cn resolves to one IP number: 47.243.64.211.

other host names including www.letou.com.cn, mg56.cn, 22.swnic.com, lqcn.cn and letou.com.cn share IP numbers with wfdb.cn.

wfdb.cn - robtex.com

wfdb.cn

cn