`sfc.edu.cn`

DNSSEC	⚠️ Not signed
NS	`dns1.sfc.edu.cn` ⭐ ⚠️ Not in parent delegation
		A	202.112.14.135^{🇨🇳 CNGI-CD-IX-AS-AP202.112.14.0/24 CMI (Customer Route)}
NS	`dns1.sc.edu.cn` ⚠️ Not in zone NS records
		A	2001:da8:6000:0:202:112:14:135^{🇨🇳 CNGI-CD-IX-AS-AP2001:da8:6000::/48}
		A	202.112.14.135^{🇨🇳 CNGI-CD-IX-AS-AP202.112.14.0/24 CMI (Customer Route)}
NS	`dns2.sc.edu.cn` ⚠️ Not in zone NS records
		A	2001:da8:6000:0:202:112:14:136^{🇨🇳 CNGI-CD-IX-AS-AP2001:da8:6000::/48}
		A	202.112.14.136^{🇨🇳 CNGI-CD-IX-AS-AP202.112.14.0/24 CMI (Customer Route)}
NS	`dns2.sfc.edu.cn` ⚠️ Not in parent delegation
		A	202.112.14.136^{🇨🇳 CNGI-CD-IX-AS-AP202.112.14.0/24 CMI (Customer Route)}
MX	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1include:spf.163.com-all`
TXT	`_globalsign-domain-verification=oxiSM1YKQVNeArHgVTUNa8h9yei6055iG3W8coeU5s`
TXT	`��_globalsign-domain-verification=coeH5dC5B2W79jOnyL5DqDcoX03Z8CAxhznfjiqm0u��`
TXT	`_globalsign-domain-verification=vAfemvrB2Kxex_N38-Z1rR7GA2zZ4Rn_rgGgy0q536`
SOA	`dns1.sfc.edu.cn`master@sfc.edu.cn serial=1802055136

`edu.cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns2.edu.cn` ⭐
	NS	`dns.edu.cn`
	NS	`dns3.edu.cn`
	NS	`ns2.cernet.net`
	NS	`ns4.cernet.net`
	NS	`ns5.cernet.net`
	SOA	`dns.edu.cn`hostmaster@net.edu.cn 2026-04-14 #18

WOT: SAFE (85/100)

Same first word

sfc.jp

sfc.fr

sfc.es

sfc.no

sfc.com.pl

sfc.us

sfc.cn

sfc.co

sfc.org.sa

sfc.group

sfc.cz

sfc.expert

sfc.at

sfc.hk

sfc.com.hk

sfc.bz

sfc.ru

sfc.red

sfc.pt

sfc.se

sfc.ag

sfc.pl

sfc.co.nz

sfc.agency

sfc.ro

sfc.edu.hk

sfc.nl

sfc.edu.ph

sfc.ae

sfc.com.vn

sfc.az

sfc.com.sa

sfc.gmbh

sfc.nu

sfc.la

sfc.info

sfc.sa

sfc.me

sfc.edu.cn

sfc.com.ua

sfc.tv

sfc.mobi

sfc.it

sfc.me.uk

sfc.catering

sfc.international

sfc.asia

sfc.org.sg

sfc.com.mk

sfc.hu

sfc.services

sfc.hypernode.io

sfc.vn

sfc.edu

sfc.capital

sfc.gov.cn

sfc.ac.in

sfc.dk

sfc.com.cn

sfc.cl

sfc.com.tr

sfc.com

sfc.be

sfc.co.jp

sfc.su

sfc.org

sfc.ac.kr

sfc.by

sfc.ac.uk

sfc.or.kr

sfc.co.uk

sfc.fm

sfc.com.pa

sfc.biz

sfc.net

Similar names

cfs.co

csf.bc.ca

fcs.pl

csf.tools

fcs.schule

fsc.com.ua

csf.rocks

scf.hu

csf.md

scf.edu

cfs.org.sg

fsc.to

fsc.ae

csf.co

cfs.ee

cfs.ie

cfs.co.il

scf.co.za

fsc.kz

fsc.gov.ae

cfs.it

scf.net

fcs.sg

csf.io

fcs.lv

cfs.financial

csf.ne.jp

fcs.io

cfs.jpn.com

scf.k12.wi.us

fcs.hu

fcs.co.uk

cfs.works

fcs.net.pk

scf.church

fsc.org.ua

scf.dk

fsc.vn

scf.es

fsc.in

fsc.com

fsc.fr

csf.es

csf.us

csf.fr

scf.pl

fcs.ma

scf.sk.ca

cfs.cc

fsc.finance

fcs.cat

cfs.lt

fsc.lt

scf.org.sa

fcs.digital

cfs.ac.uk

scf.co.in

fcs.me

fsc.gov.vn

cfs.asn.au

csf.tv

fcs.bz

csf.com.hk

csf.com.mx

fsc.org.uk

cfs.sk

csf.edu.gt

cfs.nyc

cfs.finance

scf.cat

cfs.com.tr

scf.org.uk

fsc.ca

csf.se

csf.com.ar

fcs.lt

fsc.be

cfs.coop

cfs.sa.gov.au

cfs.tech

scf.nl

csf.info

cfs.com.au

csf.it

DNS History

6 records (6 active, 0 former)

●NSdns1.sc.edu.cn2026-04-08 → 2026-04-14 · 2 obs

● 2026-04-08 13:30:46
● 2026-04-14 12:33:54

●NSdns1.sfc.edu.cn2026-04-08 → 2026-04-14 · 2 obs

● 2026-04-08 13:30:46
● 2026-04-14 12:33:54

●NSdns2.sc.edu.cn2026-04-08 → 2026-04-14 · 2 obs

● 2026-04-08 13:30:46
● 2026-04-14 12:33:54

●NSdns2.sfc.edu.cn2026-04-08 → 2026-04-14 · 2 obs

● 2026-04-08 13:30:46
● 2026-04-14 12:33:54

●MXhzmx01.mxmail.netease.com2026-04-08 → 2026-04-14 · 2 obs

● 2026-04-08 13:30:46
● 2026-04-14 12:33:54

●MXhzmx02.mxmail.netease.com2026-04-08 → 2026-04-14 · 2 obs

● 2026-04-08 13:30:46
● 2026-04-14 12:33:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
edu.cn	dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net...	6 records
sfc.edu.cn	dns2.sc.edu.cn, dns1.sc.edu.cn	4 records

✅ Authoritative Response

Server:202.112.14.135

NS records: dns2.sc.edu.cn, dns1.sc.edu.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfc.edu.cn (unsigned zone)

⏱️ Timing

Total: 4154ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns1.sfc.edu.cn, dns2.sfc.edu.cn`
MX	2	`hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10)`
TXT	4	`_globalsign-domain-verification=oxiSM1YK, v=spf1include:spf.163.com-all...`
SOA	1	`dns1.sfc.edu.cn master.sfc.edu.cn`

📌 Glue Records Collected

Total: 10

In-bailiwick: 6 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)

Out-of-bailiwick: 4 (dns2.sc.edu.cn, dns1.sc.edu.cn, dns2.sc.edu.cn...)

Analysis

Name Servers

sfc.edu.cn is delegated to four name servers: dns1.sc.edu.cn, dns2.sc.edu.cn, dns1.sfc.edu.cn and dns2.sfc.edu.cn.

sfc.edu.cn at least partially shares its name servers with other domains, for instance swmu.edu.cn, cbyz.edu.cn, dzvccm.edu.cn, cdau.edu.cn and stbu.edu.cn.