28yy.cn - robtex.com

28yy.cn

DNSSEC⚠️ Not signed
A113.113.124.245🇨🇳 CHINANET-BACKBONE113.112.0.0/13 China Telecom Network
NSdns19.hichina.com ⭐
A2408:4009:501::27🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.100🇨🇳 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,
A139.224.142.110🇨🇳 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,
NSdns20.hichina.com
A2408:4009:501::28🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.98🇨🇳 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,
A139.224.142.108🇨🇳 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,
MXmxbiz1.gg.com ⭐
A34.126.228.48🇺🇸 Google34.124.0.0/14
PTR48.228.126.34.bc.googleusercontent.com
MXmxbiz2.qq.com ⭐
TXTv=spf1 include:spf.mail.qg.com ~all
SOAdns19.hichina.comhostmaster@hichina.com 2026-01-12 #9

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034972221

Subdomains

mail.28yy.cn

Same first word

28yy.xyz
28yy.cn
28yy.vip
28yy.com

Similar names

y82y.com
yy28.pw
yy28.com
yy82.cn
2yy8.com
y28y.com
yy28.cn
yy82.com
yy28.me
y2y8.com
y82y.xyz

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSdns19.hichina.comdns20.hichina.comns7.ns365.netns8.ns365.netMXmxbiz1.gg.commxbiz2.qq.commail.28yy.cnmxbiz1.qq.comA113.113.124.245124.173.118.80124.173.64.171
●NSdns19.hichina.com2026-05-16 → 2026-06-26 · 3 obs
○ 2018-06-16 07:49:26
● 2026-05-16 00:53:04
● 2026-06-26 13:38:08
●NSdns20.hichina.com2026-05-16 → 2026-06-26 · 3 obs
○ 2018-06-16 07:49:26
● 2026-05-16 00:53:04
● 2026-06-26 13:38:08
○NSns7.ns365.net2015-05-12 → 2018-06-16 · 4 obs
● 2015-05-12 07:45:34
● 2018-06-16 07:49:26
○ 2026-05-16 00:53:04
○ 2026-06-26 13:38:08
○NSns8.ns365.net2015-05-12 → 2018-06-16 · 4 obs
● 2015-05-12 07:45:34
● 2018-06-16 07:49:26
○ 2026-05-16 00:53:04
○ 2026-06-26 13:38:08
○MXmail.28yy.cn2015-05-12 → 2018-06-16 · 4 obs
● 2015-05-12 07:45:34
● 2018-06-16 07:49:26
○ 2026-05-16 00:53:04
○ 2026-06-26 13:38:08
●MXmxbiz1.gg.com2026-05-16 → 2026-06-26 · 3 obs
○ 2018-06-16 07:49:26
● 2026-05-16 00:53:04
● 2026-06-26 13:38:08
○MXmxbiz1.qq.com2015-05-12 → 2018-06-16 · 4 obs
● 2015-05-12 07:45:34
● 2018-06-16 07:49:26
○ 2026-05-16 00:53:04
○ 2026-06-26 13:38:08
●MXmxbiz2.qq.com2015-05-12 → 2026-06-26 · 2 obs
● 2015-05-12 07:45:34
● 2026-06-26 13:38:08
●A113.113.124.2452026-05-16 → 2026-06-26 · 3 obs
○ 2018-06-16 07:49:26
● 2026-05-16 00:53:04
● 2026-06-26 13:38:08
○A124.173.118.802018-06-16 → 2018-06-16 · 4 obs
○ 2017-01-27 16:08:16
● 2018-06-16 07:49:26
○ 2026-05-16 00:53:04
○ 2026-06-26 13:38:08
○A124.173.64.1712015-05-12 → 2017-01-27 · 4 obs
● 2015-05-12 07:45:34
● 2017-01-27 16:08:16
○ 2018-06-16 07:49:26
○ 2026-06-26 13:38:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, d.dns.cn, e.dns.cn...-
28yy.cndns19.hichina.com, dns20.hichina.com-

✅ Authoritative Response

Server:120.76.107.38

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 28yy.cn (unsigned zone)

⏱️ Timing

Total: 4280ms | Queries: -

📄 Records

TypeCountSample Data
A1113.113.124.245
NS2dns20.hichina.com, dns19.hichina.com
MX2mxbiz1.gg.com (pri: 10), mxbiz2.qq.com (pri: 10)
TXT1v=spf1 include:spf.mail.qg.com ~all
SOA1dns19.hichina.com hostmaster.hichina.com

Analysis

Hierarchy

28yy.cn serves as the parent of mail.28yy.cn.

IP Addresses

28yy.cn points to a single IP number: 113.113.124.245.

Name Servers

28yy.cn has two authoritative name servers — dns19.hichina.com and dns20.hichina.com.

28yy.cn shares its name server setup with other domains, including qtdk.com, supreme007.com, xaclear.cn and two others.

28yy.cn has at least partial name server overlap with other domains, such as bodytech.cn, gcsf.cn, canada-info.com and two others.

It is common to see these name servers used together with name servers expirens3.hichina.com and expirens4.hichina.com.

Host names with 9 IP numbers:

dns19.hichina.com points to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.

dns20.hichina.com points to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.

Mail Servers

28yy.cn has two mail servers: mxbiz1.gg.com and mxbiz2.qq.com.

28yy.cn shares mail servers — at least in part — with other domains, including hippocrm.cn, drodu.com, tihuichina.cn and two others.

These mail servers tend to be used in combination with the mail servers mxbiz1.qq.com and mxbiz2.gg.com.

Host names pointing to a single IP address:

mxbiz1.gg.com resolves to 34.126.228.48.