netcoretec.com - dns.ninja

`netcoretec.com`

DNSSEC	⚠️ Not signed
A	39.108.139.231^{🇨🇳 Alibaba-Cloud39.108.128.0/17}
NS	`dns23.hichina.com` ⭐
		A	2408:4009:501::31^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
NS	`dns24.hichina.com`
		A	2408:4009:501::32^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns23.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=1781792185

📈 Tranco rank: #243,261

Subdomains

mail.netcoretec.com

upgrade1.netcoretec.com

pop.netcoretec.com

Same first word

netcoretec.com.cn

netcoretec.com

netcoretec.org

Similar names

centrotece.com

tecnocrete.com

etconcrete.com

DNS History

13 records (5 active, 8 former)

●NSdns23.hichina.com2026-02-21 → 2026-06-18 · 3 obs

○ 2018-08-15 03:42:30
● 2026-02-21 08:12:10
● 2026-06-18 14:18:22

●NSdns24.hichina.com2026-02-21 → 2026-06-18 · 3 obs

○ 2018-08-15 03:42:30
● 2026-02-21 08:12:10
● 2026-06-18 14:18:22

○NSns.xinnet.cn2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 00:41:12
○ 2015-08-19 07:07:28
○ 2026-06-18 14:18:22

○NSns.xinnetdns.com2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 00:41:12
○ 2015-08-19 07:07:28
○ 2026-06-18 14:18:22

○NSns13.xincache.com2015-08-19 → 2016-07-14 · 5 obs

○ 2007-11-11 00:41:12
● 2015-08-19 07:07:28
● 2016-07-14 20:52:46
○ 2017-03-28 20:52:22
○ 2026-06-18 14:18:22

○NSns14.xincache.com2015-08-19 → 2016-07-14 · 5 obs

○ 2007-11-11 00:41:12
● 2015-08-19 07:07:28
● 2016-07-14 20:52:46
○ 2017-03-28 20:52:22
○ 2026-06-18 14:18:22

○NSns19.xincache.com2017-03-28 → 2018-08-15 · 5 obs

○ 2016-07-14 20:52:46
● 2017-03-28 20:52:22
● 2018-08-15 03:42:30
○ 2026-02-21 08:12:10
○ 2026-06-18 14:18:22

○NSns20.xincache.com2017-03-28 → 2018-08-15 · 5 obs

○ 2016-07-14 20:52:46
● 2017-03-28 20:52:22
● 2018-08-15 03:42:30
○ 2026-02-21 08:12:10
○ 2026-06-18 14:18:22

●MXmxbiz1.qq.com2015-08-19 → 2026-06-18 · 3 obs

○ 2007-11-11 00:41:12
● 2015-08-19 07:07:28
● 2026-06-18 14:18:22

●MXmxbiz2.qq.com2015-08-19 → 2026-06-18 · 3 obs

○ 2007-11-11 00:41:12
● 2015-08-19 07:07:28
● 2026-06-18 14:18:22

○A120.133.2.802018-08-15 → 2018-08-15 · 4 obs

○ 2015-08-19 07:07:28
● 2018-08-15 03:42:30
○ 2026-02-21 08:12:10
○ 2026-06-18 14:18:22

○A125.64.16.422007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 00:41:12
○ 2015-08-19 07:07:28
○ 2026-06-18 14:18:22

●A39.108.139.2312026-02-21 → 2026-06-18 · 3 obs

○ 2018-08-15 03:42:30
● 2026-02-21 08:12:10
● 2026-06-18 14:18:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
netcoretec.com	dns23.hichina.com, dns24.hichina.com	18 records

✅ Authoritative Response

Server:2408:4009:501::31

NS records: dns23.hichina.com, dns24.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netcoretec.com (unsigned zone)

⏱️ Timing

Total: 2818ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.108.139.231`
NS	2	`dns23.hichina.com, dns24.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns23.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns23.hichina.com, dns23.hichina.com, dns23.hichina.com...)

Analysis

Hierarchy

mail.netcoretec.com, upgrade1.netcoretec.com and pop.netcoretec.com are all subdomains of netcoretec.com.

IP Addresses

netcoretec.com resolves to one IP address: 39.108.139.231.

Name Servers

netcoretec.com is served by two delegated name servers, dns23.hichina.com and dns24.hichina.com.

netcoretec.com uses the same name servers as several other domains — among them hidide.com, fansburg.com, gzsunbright.com and two more.

The name servers of netcoretec.com overlap at least partially with those of other domains — among them mingyouju.com, jdymd.com, mpxt.com and two more.

These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.

Hostnames that resolve to 9 IP addresses:

dns23.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.

dns24.hichina.com carries IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, with 6 other addresses beyond those.

Mail Servers

Mail for netcoretec.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.

netcoretec.com uses an identical mail server configuration to several other domains — among them gailin.com, youcti.com, dimld.com and two more.

There is at least a partial overlap in mail servers between netcoretec.com and other domains like bbwdoll.com, djc888.com and yzmg.com.