🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`103u.cn`

DNSSEC

⚠️ Not signed

`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=2035184704

Similar names

u103.com

1u03.casino

013u.com

u103.cn

1u30.com

u310.com

u301.com

DNS History

7 records (0 active, 7 former)

○NSf1g1ns1.dnspod.net2017-01-31 → 2017-01-31 · 4 obs

○ 2016-02-02 21:10:38
● 2017-01-31 20:23:42
○ 2026-04-13 22:16:42
○ 2026-08-15 21:37:30

○NSf1g1ns2.dnspod.net2017-01-31 → 2017-01-31 · 4 obs

○ 2016-02-02 21:10:38
● 2017-01-31 20:23:42
○ 2026-04-13 22:16:42
○ 2026-08-15 21:37:30

○NSns1.51dns.com2015-07-18 → 2016-02-02 · 4 obs

● 2015-07-18 05:34:42
● 2016-02-02 21:10:38
○ 2017-01-31 20:23:42
○ 2026-08-15 21:37:30

○NSns2.51dns.com2015-07-18 → 2016-02-02 · 4 obs

● 2015-07-18 05:34:42
● 2016-02-02 21:10:38
○ 2017-01-31 20:23:42
○ 2026-08-15 21:37:30

○A104.201.10.1382018-07-15 → 2018-07-15 · 4 obs

○ 2017-01-31 20:23:42
● 2018-07-15 09:42:06
○ 2026-04-13 22:16:42
○ 2026-08-15 21:37:30

○A107.167.77.192015-07-18 → 2016-04-23 · 4 obs

● 2015-07-18 05:34:42
● 2016-04-23 10:08:48
○ 2017-01-31 20:23:42
○ 2026-08-15 21:37:30

○A23.107.60.2532017-01-31 → 2017-01-31 · 4 obs

○ 2016-04-23 10:08:48
● 2017-01-31 20:23:42
○ 2018-07-15 09:42:06
○ 2026-08-15 21:37:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-

✅ Authoritative Response

Server:203.119.26.1

NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 896ms | Queries: -

📄 Records

Type	Count	Sample Data

103u.cn - robtex.com

103u.cn

cn