`freeshell.ustc.edu.cn`

DNSSEC

⚠️ Not signed

`ustc.edu.cn`

	DNSSEC	⚠️ Not signed
	A	2001:da8:d800:642::248^{🇨🇳 CNGI-HEF-IX-AS-AP2001:da8:d800::/48}
	A	202.38.64.246^{🇨🇳 ERX-CERNET-BKB202.38.64.0/24 CMI (Customer Route)}
	NS	`ns.ustc.edu.cn` ⭐
	NS	`mx.ustc.edu.cn`
	MX	`smtp.ustc.edu.cn` ⭐
	MX	`smtp2.ustc.edu.cn` ⭐
	TXT	`google-site-verification=n_uAijUqmjntOJL0L8N4SIIdw_3cAngmXFBIYgIDNkg`
	TXT	`MS=ms26813611`
	TXT	`v=spf1 ip4:202.38.64.8 ip4:202.38.64.16 ip4:202.38.64.46 ip4:210.45.120.152 i...`
	SOA	`ns.ustc.edu.cn`james@ustc.edu.cn 2024-11-18 #0

WOT: SAFE (70/100)
rank #3525 globally
rank #51 in the tld
This domain name represents the University of Science and Technology of China, a prestigious institution of higher learning located in Hefei, Anhui province, China. The university is a member of the C9 League, a group of top Chinese universities. The abbreviation "USTC" stands for "University of Science and Technology of China". The ".edu" suggests it's an educational institution, and ".cn" indicates it's based in China.WOT: SAFE (83/100)
📈 Tranco rank: #10,714

Same first word

freeshell.at

freeshell.pl

freeshell.net

freeshell.org

freeshell.com

freeshell.de

freeshell.in

freeshell.eu

freeshell.ch

Similar names

shellfree.com

reefshell.com

shellreef.com

freshelle.com

DNS History

9 records (0 active, 9 former)

○NSdns-m.lug.ustc.edu.cn2015-12-10 → 2016-11-30 · 4 obs

● 2015-12-10 07:41:40
● 2016-11-30 00:57:22
○ 2019-10-18 18:16:18
○ 2026-03-29 16:35:42

○NSdns.lug.ustc.edu.cn2015-12-10 → 2016-11-30 · 4 obs

● 2015-12-10 07:41:40
● 2016-11-30 00:57:22
○ 2019-10-18 18:16:18
○ 2026-03-29 16:35:42

○NSns-a.ustclug.org2019-10-18 → 2019-10-18 · 4 obs

○ 2016-11-30 00:57:22
● 2019-10-18 18:16:18
○ 2026-02-21 22:50:42
○ 2026-03-29 16:35:42

○NSns-b.ustclug.org2019-10-18 → 2019-10-18 · 4 obs

○ 2016-11-30 00:57:22
● 2019-10-18 18:16:18
○ 2026-02-21 22:50:42
○ 2026-03-29 16:35:42

○NSns-c.ustclug.org2019-10-18 → 2019-10-18 · 4 obs

○ 2016-11-30 00:57:22
● 2019-10-18 18:16:18
○ 2026-02-21 22:50:42
○ 2026-03-29 16:35:42

○MXmail.ustclug.org2015-12-10 → 2019-10-18 · 4 obs

● 2015-12-10 07:41:40
● 2019-10-18 18:16:18
○ 2026-02-21 22:50:42
○ 2026-03-29 16:35:42

○A2001:da8:d800:f001::992015-12-10 → 2016-06-10 · 4 obs

● 2015-12-10 07:41:40
● 2016-06-10 03:47:34
○ 2016-11-30 00:57:22
○ 2026-03-29 16:35:42

○A2001:da8:d800:f001:202:141:160:952016-11-30 → 2016-11-30 · 4 obs

○ 2016-06-10 03:47:34
● 2016-11-30 00:57:22
○ 2019-10-18 18:16:18
○ 2026-03-29 16:35:42

○A202.141.160.952015-12-10 → 2016-11-30 · 4 obs

● 2015-12-10 07:41:40
● 2016-11-30 00:57:22
○ 2019-10-18 18:16:18
○ 2026-03-29 16:35:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn...	-
edu.cn	dns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net...	6 records
ustc.edu.cn	ns.ustc.edu.cn, mx.ustc.edu.cn	4 records

✅ Authoritative Response

Server:202.38.64.1

NS records: ns.ustc.edu.cn, mx.ustc.edu.cn

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1976ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)

freeshell.ustc.edu.cn - robtex.com