`twooc.com`

DNSSEC	⚠️ Not signed
NS	`dns13.hichina.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::21^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		A	139.224.142.112^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-112.defastlink.net`
		A	139.224.142.122^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns14.hichina.com` ⚠️ Not in parent delegation
		A	2408:4009:501::22^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		A	139.224.142.111^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-111.defastlink.net`
		A	139.224.142.121^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-121.defastlink.net`
NS	`dns21.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-40.defastlink.net`
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-60.defastlink.net`
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-200.defastlink.net`
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-220.defastlink.net`
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-40.defastlink.net`
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-60.defastlink.net`
		A	139.224.142.100^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-100.defastlink.net`
		A	139.224.142.110^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-110.defastlink.net`
NS	`dns22.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-38.defastlink.net`
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-61.defastlink.net`
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-198.defastlink.net`
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-222.defastlink.net`
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-38.defastlink.net`
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-61.defastlink.net`
		A	139.224.142.98^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-98.defastlink.net`
		A	139.224.142.108^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-108.defastlink.net`
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`ip-47-246-137-47.defastlink.net`
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`dns13.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1771291435

Same first word

twooc.com

Similar names

wotco.com

twoco.com

towco.com

towco.net

cwtoo.com

toocw.com

cotwo.com

otwco.com

ootwc.net

cwoto.com

octow.com

twoco.org

cowto.com

cotwo.net

ctwoo.com

cwoot.com

towco.com.au

cotow.com

ootwc.com

owotc.com

wotoc.com

towoc.com

wocto.com

octwo.com

tcwoo.com

tocow.com

twoco.ru

towoc.de

cowot.com

wctoo.com

DNS History

18 records (7 active, 11 former)

●NSdns13.hichina.com2026-02-23 → 2026-03-24 · 3 obs

○ 2019-03-28 23:26:52
● 2026-02-23 03:36:58
● 2026-03-24 05:59:58

●NSdns14.hichina.com2026-02-23 → 2026-03-24 · 3 obs

○ 2019-03-28 23:26:52
● 2026-02-23 03:36:58
● 2026-03-24 05:59:58

●NSdns21.hichina.com2026-02-23 → 2026-03-24 · 3 obs

○ 2019-03-28 23:26:52
● 2026-02-23 03:36:58
● 2026-03-24 05:59:58

●NSdns22.hichina.com2026-02-23 → 2026-03-24 · 3 obs

○ 2019-03-28 23:26:52
● 2026-02-23 03:36:58
● 2026-03-24 05:59:58

○NSns1.metaregistrar.nl2015-08-09 → 2016-07-07 · 4 obs

● 2015-08-09 13:05:06
● 2016-07-07 16:12:18
○ 2017-02-18 08:32:40
○ 2026-03-24 05:59:58

○NSns1.namebrightdns.com2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-07 16:12:18
● 2017-02-18 08:32:40
○ 2019-03-28 23:26:52
○ 2026-03-24 05:59:58

○NSns2.metaregistrar.nl2015-08-09 → 2016-07-07 · 4 obs

● 2015-08-09 13:05:06
● 2016-07-07 16:12:18
○ 2017-02-18 08:32:40
○ 2026-03-24 05:59:58

○NSns2.namebrightdns.com2017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-07 16:12:18
● 2017-02-18 08:32:40
○ 2019-03-28 23:26:52
○ 2026-03-24 05:59:58

○NSnsg1.namebrightdns.com2019-03-28 → 2019-03-28 · 4 obs

○ 2017-02-18 08:32:40
● 2019-03-28 23:26:52
○ 2026-02-23 03:36:58
○ 2026-03-24 05:59:58

○NSnsg2.namebrightdns.com2019-03-28 → 2019-03-28 · 4 obs

○ 2017-02-18 08:32:40
● 2019-03-28 23:26:52
○ 2026-02-23 03:36:58
○ 2026-03-24 05:59:58

●MXmx1.qiye.aliyun.com2026-02-23 → 2026-03-24 · 2 obs

● 2026-02-23 03:36:58
● 2026-03-24 05:59:58

●MXmx2.qiye.aliyun.com2026-02-23 → 2026-03-24 · 2 obs

● 2026-02-23 03:36:58
● 2026-03-24 05:59:58

●MXmx3.qiye.aliyun.com2026-02-23 → 2026-03-24 · 2 obs

● 2026-02-23 03:36:58
● 2026-03-24 05:59:58

○A188.93.150.1172015-08-09 → 2016-07-07 · 4 obs

● 2015-08-09 13:05:06
● 2016-07-07 16:12:18
○ 2017-02-18 08:32:40
○ 2026-03-24 05:59:58

○A52.1.32.252017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-07 16:12:18
● 2017-02-18 08:32:40
○ 2019-03-28 23:26:52
○ 2026-03-24 05:59:58

○A54.88.133.922017-02-18 → 2017-02-18 · 4 obs

○ 2016-07-07 16:12:18
● 2017-02-18 08:32:40
○ 2019-03-28 23:26:52
○ 2026-03-24 05:59:58

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-02-18 → 2017-02-18 · 3 obs

● 2017-02-18 08:32:40
○ 2019-03-28 23:26:52
○ 2026-03-24 05:59:58

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-03-28 → 2019-03-28 · 4 obs

○ 2017-02-18 08:32:40
● 2019-03-28 23:26:52
○ 2026-02-23 03:36:58
○ 2026-03-24 05:59:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...	-
twooc.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for twooc.com (unsigned zone)

⏱️ Timing

Total: 3582ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns13.hichina.com, dns14.hichina.com`
MX	3	`mx3.qiye.aliyun.com (pri: 15), mx1.qiye.aliyun.com (pri: 5)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

Name Servers

twooc.com is delegated to four name servers: dns13.hichina.com, dns14.hichina.com, dns21.hichina.com and dns22.hichina.com.

twooc.com at least partially shares name servers with other domains, for example reyou.net, tc-freight.com, eclsha.com, oemgame.com and jinmilang.cn.

these name servers commonly pair with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers

dns13.hichina.com points to: 2408:4009:501::21, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns14.hichina.com points to: 2408:4009:501::22, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

twooc.com is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

twooc.com shares at least partially some mail servers with other domains, for instance dghkjx.com, inorsen.com, insupai.com, chinayulin.com and shanghaioceana.com.