`doubleone.cn`

	CNAME	`pk.technames.com`
	DNSSEC	⚠️ Not signed
	A	8.219.77.171^{🇸🇬 Alibaba-Cloud8.219.0.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}

`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=2034662613

Same first word

doubleone.net

doubleone.ru

doubleone.cn

doubleone.com

doubleone.org

DNS History

10 records (5 active, 5 former)

○NSdns17.hichina.com2015-06-10 → 2015-10-29 · 4 obs

● 2015-06-10 17:17:14
● 2015-10-29 00:06:54
○ 2016-01-17 20:51:36
○ 2026-04-12 13:54:02

○NSdns18.hichina.com2015-06-10 → 2015-10-29 · 4 obs

● 2015-06-10 17:17:14
● 2015-10-29 00:06:54
○ 2016-01-17 20:51:36
○ 2026-04-12 13:54:02

●NSns1.17ex.com2026-02-14 → 2026-04-12 · 3 obs

○ 2017-12-10 14:02:02
● 2026-02-14 16:38:54
● 2026-04-12 13:54:02

○NSns1.sedoparking.com2016-01-17 → 2017-12-10 · 5 obs

○ 2015-10-29 00:06:54
● 2016-01-17 20:51:36
● 2017-12-10 14:02:02
○ 2026-02-14 16:38:54
○ 2026-04-12 13:54:02

●NSns2.17ex.com2026-02-14 → 2026-04-12 · 3 obs

○ 2017-12-10 14:02:02
● 2026-02-14 16:38:54
● 2026-04-12 13:54:02

○NSns2.sedoparking.com2016-01-17 → 2017-12-10 · 5 obs

○ 2015-10-29 00:06:54
● 2016-01-17 20:51:36
● 2017-12-10 14:02:02
○ 2026-02-14 16:38:54
○ 2026-04-12 13:54:02

●MXlocalhost2016-11-19 → 2026-04-12 · 3 obs

○ 2016-04-12 06:43:00
● 2016-11-19 06:08:06
● 2026-04-12 13:54:02

○MXmail.nickstel.com2016-01-17 → 2016-04-12 · 4 obs

● 2016-01-17 20:51:36
● 2016-04-12 06:43:00
○ 2016-11-19 06:08:06
○ 2026-04-12 13:54:02

●A72.52.4.1192016-01-17 → 2026-04-12 · 2 obs

● 2016-01-17 20:51:36
● 2026-04-12 13:54:02

●CNAMEpk.technames.com2026-02-14 → 2026-04-12 · 2 obs

● 2026-02-14 16:38:54
● 2026-04-12 13:54:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
doubleone.cn	ns1.17ex.com, ns2.17ex.com	-

✅ Authoritative Response

Server:183.253.57.205

NS records: ns1.17ex.com, ns2.17ex.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubleone.cn (unsigned zone)

⏱️ Timing

Total: 2208ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.17ex.com, ns2.17ex.com`
CNAME	1	`pk.technames.com`
SOA	1	`ns1.17ex.com admin.17ex.com`

Analysis

IP Addresses

doubleone.cn points to a single IP number: 8.219.77.171.

other host names for instance whxx.com, hfgy.com, bdcq.com, txxd.com and xgrb.com share IP numbers with doubleone.cn.

doubleone.cn - robtex.com

doubleone.cn

cn