u-pc.tech - dns.ninja

`u-pc.tech`

DNSSEC	⚠️ Not signed
NS	`dns27.hichina.com` ⭐
		A	2408:4009:501::35^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns28.hichina.com`
		A	2408:4009:501::36^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_feishu=Ass8Dj2bqdJtH790yGn2`
TXT	`atlassian-sending-domain-verification=35008c85-fac5-4ccb-b576-b5c44185251d`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`dns27.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1785708239

Same first word

u-pc.com

u-pc.de

u-pc.com.cn

u-pc.tech

u-pc.jp

Similar names

cp-u.com

pc-u.net

c-up.co.jp

c-up.com

c-pu.ru

c-up.co.il

cp-u.org

cp-u.net

c-up.me

pc-u.com

up-c.ru

pc-u.de

DNS History

5 records (5 active, 0 former)

●NSdns27.hichina.com2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 06:57:30
● 2026-08-02 22:59:02

●NSdns28.hichina.com2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 06:57:30
● 2026-08-02 22:59:02

●MXmx1.feishu.cn2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 06:57:30
● 2026-08-02 22:59:02

●MXmx2.feishu.cn2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 06:57:30
● 2026-08-02 22:59:02

●MXmx3.feishu.cn2026-02-25 → 2026-08-02 · 2 obs

● 2026-02-25 06:57:30
● 2026-08-02 22:59:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	8 records
u-pc.tech	dns28.hichina.com, dns27.hichina.com	-

✅ Authoritative Response

Server:47.118.199.199

NS records: dns28.hichina.com, dns27.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u-pc.tech (unsigned zone)

⏱️ Timing

Total: 1002ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns27.hichina.com, dns28.hichina.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	3	`v=spf1 +include:_netblocks.m.feishu.cn -, atlassian-sending-domain-verification=35...`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)

Analysis

Name Servers

u-pc.tech has two authoritative name servers — dns27.hichina.com and dns28.hichina.com.

u-pc.tech uses the same name servers as several other domains — among them similantoys.com, rodress.com, jellow.club and two more.

u-pc.tech shares at least some of its name servers with other domains, including hhbayy.com, gtelp.com, ekdx.com and two others.

These name servers are frequently paired with the name servers expirens3.hichina.com and expirens4.hichina.com.

Hostnames that resolve to 9 IP addresses:

dns27.hichina.com points to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

dns28.hichina.com points to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.

Mail Servers

u-pc.tech is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

u-pc.tech has at least partial mail server overlap with other domains such as dex-robot.com, rongkey.com, sinotec.cn and two more.

Hostnames that resolve to three IP addresses:

mx3.feishu.cn resolves to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hostnames that resolve to two IP addresses:

mx2.feishu.cn resolves to 101.126.58.225 and 122.14.229.0.

Hosts with just one IP address:

mx1.feishu.cn resolves to 52.220.106.220.

The host names mx3.feishu.cn and mx1.feishu.cn both resolve to 52.220.106.220 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 101.126.58.225 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 122.14.229.0 IP addresses.