`niuduo.com`

DNSSEC	⚠️ Not signed
NS	`pk3.22.cn` ⚠️ Not in zone NS records
		A	39.101.68.48^{🇨🇳 Alibaba-Cloud39.100.0.0/14 CT BeiJing IDC}
NS	`pk4.22.cn` ⚠️ Not in zone NS records
		A	39.101.68.48^{🇨🇳 Alibaba-Cloud39.100.0.0/14 CT BeiJing IDC}

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786332309

Same first word

niuduo.com

Similar names

uniduo.cz

duinuo.com

unidou.com

udouin.fr

niudou.cn

uduino.com

douniu.la

unudoi.com

uindou.com

nuodui.com

duinuo.cn

douuni.com

nuodiu.com

niudou.com

douniu.com

duinuo.com.cn

duoniu.cn

diunuo.com

inudou.com

idunou.com

uniduo.com

DNS History

15 records (2 active, 13 former)

●NSpk3.22.cn2026-04-30 → 2026-08-10 · 2 obs

● 2026-04-30 01:29:24
● 2026-08-10 03:31:50

●NSpk4.22.cn2026-04-30 → 2026-08-10 · 2 obs

● 2026-04-30 01:29:24
● 2026-08-10 03:31:50

○A103.13.73.1602017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-28 15:44:30
● 2017-02-17 04:51:50
○ 2019-04-05 20:18:20
○ 2026-08-10 03:31:50

○A103.218.240.1842026-04-30 → 2026-07-29 · 71 obs

○ 2019-04-05 20:18:20
● 2026-04-30 01:29:24
● 2026-06-06 00:09:48
○ 2026-06-06 07:22:50
○ 2026-06-06 11:58:16
● 2026-06-06 15:14:50
● 2026-06-06 18:13:22
○ 2026-06-06 19:08:06
● 2026-06-07 00:27:34
● 2026-06-10 06:04:50
○ 2026-06-10 17:45:12
● 2026-06-10 22:31:02
○ 2026-06-11 07:57:46
○ 2026-06-11 18:07:04
● 2026-06-12 00:16:36
● 2026-06-12 16:57:12
○ 2026-06-12 18:06:22
● 2026-06-13 00:03:14
● 2026-06-15 06:31:38
○ 2026-06-15 12:16:12
● 2026-06-15 16:11:46
● 2026-06-17 06:00:16
○ 2026-06-18 01:07:00
○ 2026-06-18 06:46:12
● 2026-06-18 09:03:30
○ 2026-06-22 12:08:34
● 2026-06-22 18:18:34
○ 2026-06-24 11:51:44
● 2026-06-24 19:07:54
○ 2026-06-25 06:20:02
● 2026-06-25 20:23:42
○ 2026-06-29 00:04:58
● 2026-06-29 12:15:14
○ 2026-06-29 18:04:42
● 2026-06-30 01:15:08
○ 2026-07-03 00:58:10
● 2026-07-03 14:26:56
○ 2026-07-03 16:10:28
● 2026-07-03 20:03:00
○ 2026-07-05 06:21:52
● 2026-07-05 06:51:56
○ 2026-07-09 14:34:14
● 2026-07-10 00:34:56
○ 2026-07-12 06:43:54
● 2026-07-12 08:45:52
○ 2026-07-13 05:08:18
● 2026-07-13 22:23:16
○ 2026-07-14 12:40:52
● 2026-07-14 18:41:44
○ 2026-07-14 21:02:00
● 2026-07-15 01:01:32
○ 2026-07-15 12:32:24
● 2026-07-15 18:43:52
○ 2026-07-17 04:46:04
● 2026-07-18 00:44:04
○ 2026-07-19 13:12:10
● 2026-07-20 01:09:44
○ 2026-07-21 12:49:28
● 2026-07-22 01:01:50
○ 2026-07-22 06:57:42
● 2026-07-22 09:11:36
○ 2026-07-22 18:46:50
● 2026-07-24 03:21:10
○ 2026-07-25 01:18:00
● 2026-07-25 13:10:22
○ 2026-07-26 01:32:54
● 2026-07-26 09:26:48
○ 2026-07-28 01:15:58
● 2026-07-29 01:16:16
○ 2026-07-29 07:04:38
○ 2026-08-10 03:31:50

○A103.31.222.722017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-28 15:44:30
● 2017-02-17 04:51:50
○ 2019-04-05 20:18:20
○ 2026-08-10 03:31:50

○A103.31.222.732017-02-17 → 2017-02-17 · 4 obs

○ 2016-06-28 15:44:30
● 2017-02-17 04:51:50
○ 2019-04-05 20:18:20
○ 2026-08-10 03:31:50

○A118.193.33.2202026-04-30 → 2026-07-29 · 71 obs

○A118.193.37.942026-04-30 → 2026-08-07 · 86 obs

○A152.32.171.652026-04-30 → 2026-08-07 · 86 obs

○A154.85.60.1502026-04-30 → 2026-08-07 · 86 obs

○A42.200.35.1392016-06-28 → 2016-06-28 · 4 obs

○ 2015-11-26 10:41:50
● 2016-06-28 15:44:30
○ 2017-02-17 04:51:50
○ 2026-08-10 03:31:50

○A47.90.20.172016-06-28 → 2016-06-28 · 4 obs

○ 2015-11-26 10:41:50
● 2016-06-28 15:44:30
○ 2017-02-17 04:51:50
○ 2026-08-10 03:31:50

○A64.62.224.2532015-07-01 → 2015-11-26 · 4 obs

● 2015-07-01 02:45:14
● 2015-11-26 10:41:50
○ 2016-06-28 15:44:30
○ 2026-08-10 03:31:50

○CNAME22pk.lncdn.com2017-02-17 → 2017-02-17 · 3 obs

● 2017-02-17 04:51:50
○ 2019-04-05 20:18:20
○ 2026-08-10 03:31:50

○CNAMEpk.22.cn2019-04-05 → 2019-04-05 · 4 obs

○ 2017-02-17 04:51:50
● 2019-04-05 20:18:20
○ 2026-04-30 01:29:24
○ 2026-08-10 03:31:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
niuduo.com	pk3.22.cn, pk4.22.cn	-

✅ Authoritative Response

Server:39.101.68.48

NS records: pk3.22.cn, pk4.22.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for niuduo.com (unsigned zone)

⏱️ Timing

Total: 1531ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`152.32.171.65, 154.85.60.150...`

Analysis

Name Servers

niuduo.com is served by two delegated name servers, pk3.22.cn and pk4.22.cn.

niuduo.com shares its name server setup with other domains, including (0x6675636b)b.com, 59583.com, omunyvtcezqc3z(0x736578)dr.vip and two others.

The DNS delegation for niuduo.com at least partly coincides with that of other domains, closed.cn being one example.

pk3.22.cn and pk4.22.cn share one IP address between them — 39.101.68.48.

These two host names — pk3.22.cn and pk4.22.cn — each point to 39.101.68.48 IP addresses.

niuduo.com - robtex.com

niuduo.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`niuduo.com`

`com`