olearntech.com - robtex.com

olearntech.com

DNSSEC⚠️ Not signed
A47.88.30.241🇺🇸 Alibaba-Cloud47.88.0.0/18 Alibaba Cloud
NSdns15.hichina.com ⭐
A2408:4009:501::23🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.112🇨🇳 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,
A139.224.142.122🇨🇳 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,
NSdns16.hichina.com
A2408:4009:501::24🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.111🇨🇳 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,
A139.224.142.121🇨🇳 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,
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAdns15.hichina.comhostmaster@hichina.com 2026-01-12 #9

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786164949

Same first word

olearntech.com

Similar names

realtechno.ru
realtechno.com
halocentre.co.uk
cranehotel.net
realontech.com
alerontech.com
thecleanor.com
technolera.com
leontearch.com
orleantech.com
holacenter.com
cherleaton.com
alecthorne.com
therealnoc.com
nearlotech.net
technoreal.ru
echorental.com
canerhotel.com
hotcleaner.co
hotcleaner.com
halocenter.de
nearlotech.com
halocenter.net
earthclone.com
artechelon.com
centerhalo.com
hotelarcen.nl

DNS History

8 records (5 active, 3 former)

201820192020202120222023202420252026NSdns15.hichina.comdns16.hichina.comMXmxbiz1.qq.commxbiz2.qq.commxn.mxhichina.commxw.mxhichina.comA47.88.30.24147.88.104.25
●NSdns15.hichina.com2017-05-09 → 2026-08-08 · 2 obs
● 2017-05-09 11:29:26
● 2026-08-08 05:15:58
●NSdns16.hichina.com2017-05-09 → 2026-08-08 · 2 obs
● 2017-05-09 11:29:26
● 2026-08-08 05:15:58
●MXmxbiz1.qq.com2026-08-04 → 2026-08-08 · 3 obs
○ 2017-05-09 11:29:26
● 2026-08-04 02:45:50
● 2026-08-08 05:15:58
●MXmxbiz2.qq.com2026-08-04 → 2026-08-08 · 3 obs
○ 2017-05-09 11:29:26
● 2026-08-04 02:45:50
● 2026-08-08 05:15:58
○MXmxn.mxhichina.com2017-05-09 → 2017-05-09 · 3 obs
● 2017-05-09 11:29:26
○ 2026-08-04 02:45:50
○ 2026-08-08 05:15:58
○MXmxw.mxhichina.com2017-05-09 → 2017-05-09 · 3 obs
● 2017-05-09 11:29:26
○ 2026-08-04 02:45:50
○ 2026-08-08 05:15:58
○A47.88.104.252017-05-09 → 2017-05-09 · 3 obs
● 2017-05-09 11:29:26
○ 2026-08-04 02:45:50
○ 2026-08-08 05:15:58
●A47.88.30.2412026-08-04 → 2026-08-08 · 3 obs
○ 2017-05-09 11:29:26
● 2026-08-04 02:45:50
● 2026-08-08 05:15:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...-
olearntech.comdns15.hichina.com, dns16.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for olearntech.com (unsigned zone)

⏱️ Timing

Total: 556ms | Queries: -

📄 Records

TypeCountSample Data
A147.88.30.241
NS2dns16.hichina.com, dns15.hichina.com
MX2mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)
TXT1v=spf1 include:spf.mail.qq.com ~all
SOA1dns15.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

IP Addresses

olearntech.com has exactly one IP address — 47.88.30.241.

Name Servers

The NS records for olearntech.com delegate to dns15.hichina.com and dns16.hichina.com.

The name server configuration of olearntech.com is shared with other domains, for instance newtex.cn, cbth.cn, czumed.com and two others.

Some name servers delegated to olearntech.com are also used by other domains, notably 01an.com and 59101.cn.

These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns15.hichina.com maps to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 additional IP addresses.

dns16.hichina.com maps to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 additional IP addresses.

Mail Servers

olearntech.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of olearntech.com matches that of other domains such as sh-bm.net, kalefans.net, blty.com and two others.

At least some of the mail servers used by olearntech.com are shared with other domains: 8gkd.com, grwz.net, simingkc.com and two others among them.