koudaidaxue.com - robtex.com

koudaidaxue.com

DNSSEC⚠️ Not signed
A118.89.68.94🇨🇳 TENCENT-NET-AP118.89.68.0/23
NSaria.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a44🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
A2803:f800:50::6ca2:c044🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaria.ns.cloudflare.com
A2a06:98c1:50::ac40:2044🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaria.ns.cloudflare.com
A108.162.192.68🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
A172.64.32.68🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
A173.245.58.68🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
NSrex.ns.cloudflare.com
A2606:4700:58::a29f:2c0d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c30d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:230d🇺🇸 Cloudflare2a06:98c1:50::/45
A108.162.195.13🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.44.13Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.35.13🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.11
A162.159.205.12
A162.159.205.13
MXroute3.mx.cloudflare.net ⭐
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.23
A162.159.205.24
A162.159.205.25
MXroute2.mx.cloudflare.net(91)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.205.17
A162.159.205.18
A162.159.205.19
TXT201704040000002vumjv1uz4a59x3icfcpmujk2t35cr16zt5ouv4ro15sf9cjrl
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
SOAaria.ns.cloudflare.comdns@cloudflare.com serial=2400191720

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=1778760381

Same first word

koudaidaxue.com

DNS History

17 records (6 active, 11 former)

2017201820192020202120222023202420252026NSaria.ns.cloudflare.comrex.ns.cloudflare.comdns29.hichina.comdns30.hichina.comns1.myhostadmin.netns2.myhostadmin.netns3.myhostadmin.netns4.myhostadmin.netns5.myhostadmin.netns6.myhostadmin.netMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netmxdomain.qq.comA118.89.68.94101.37.97.136121.41.36.196
●NSaria.ns.cloudflare.com2026-04-10 → 2026-05-14 · 3 obs
○ 2017-08-20 12:02:44
● 2026-04-10 10:08:22
● 2026-05-14 12:10:20
○NSdns29.hichina.com2017-08-20 → 2017-08-20 · 4 obs
○ 2016-12-14 17:53:30
● 2017-08-20 12:02:44
○ 2026-04-10 10:08:22
○ 2026-05-14 12:10:20
○NSdns30.hichina.com2017-08-20 → 2017-08-20 · 4 obs
○ 2016-12-14 17:53:30
● 2017-08-20 12:02:44
○ 2026-04-10 10:08:22
○ 2026-05-14 12:10:20
○NSns1.myhostadmin.net2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:53:30
○ 2017-08-20 12:02:44
○ 2026-05-14 12:10:20
○NSns2.myhostadmin.net2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:53:30
○ 2017-08-20 12:02:44
○ 2026-05-14 12:10:20
○NSns3.myhostadmin.net2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:53:30
○ 2017-08-20 12:02:44
○ 2026-05-14 12:10:20
○NSns4.myhostadmin.net2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:53:30
○ 2017-08-20 12:02:44
○ 2026-05-14 12:10:20
○NSns5.myhostadmin.net2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:53:30
○ 2017-08-20 12:02:44
○ 2026-05-14 12:10:20
○NSns6.myhostadmin.net2016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:53:30
○ 2017-08-20 12:02:44
○ 2026-05-14 12:10:20
●NSrex.ns.cloudflare.com2026-04-10 → 2026-05-14 · 3 obs
○ 2017-08-20 12:02:44
● 2026-04-10 10:08:22
● 2026-05-14 12:10:20
○MXmxdomain.qq.com2016-12-14 → 2017-08-20 · 4 obs
● 2016-12-14 17:53:30
● 2017-08-20 12:02:44
○ 2026-04-10 10:08:22
○ 2026-05-14 12:10:20
●MXroute1.mx.cloudflare.net2026-04-10 → 2026-05-14 · 3 obs
○ 2017-08-20 12:02:44
● 2026-04-10 10:08:22
● 2026-05-14 12:10:20
●MXroute2.mx.cloudflare.net2026-04-10 → 2026-05-14 · 3 obs
○ 2017-08-20 12:02:44
● 2026-04-10 10:08:22
● 2026-05-14 12:10:20
●MXroute3.mx.cloudflare.net2026-04-10 → 2026-05-14 · 3 obs
○ 2017-08-20 12:02:44
● 2026-04-10 10:08:22
● 2026-05-14 12:10:20
○A101.37.97.1362017-08-20 → 2017-08-20 · 4 obs
○ 2016-12-14 17:53:30
● 2017-08-20 12:02:44
○ 2026-04-10 10:08:22
○ 2026-05-14 12:10:20
●A118.89.68.942026-04-10 → 2026-05-14 · 3 obs
○ 2017-08-20 12:02:44
● 2026-04-10 10:08:22
● 2026-05-14 12:10:20
○A121.41.36.1962016-12-14 → 2016-12-14 · 3 obs
● 2016-12-14 17:53:30
○ 2017-08-20 12:02:44
○ 2026-05-14 12:10:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
koudaidaxue.comaria.ns.cloudflare.com, rex.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.68

NS records: aria.ns.cloudflare.com, rex.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koudaidaxue.com (unsigned zone)

⏱️ Timing

Total: 699ms | Queries: -

📄 Records

TypeCountSample Data
A1118.89.68.94
NS2aria.ns.cloudflare.com, rex.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 68), route3.mx.cloudflare.net (pri: 68)...
TXT2201704040000002vumjv1uz4a59x3icfcpmujk2t, v=spf1 include:_spf.mx.cloudflare.net ~a
SOA1aria.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (aria.ns.cloudflare.com, aria.ns.cloudflare.com, aria.ns.cloudflare.com...)

Analysis

IP Addresses

koudaidaxue.com points to a single IP address: 118.89.68.94.

Other host names, for instance fpdx.cn, share IP numbers with koudaidaxue.com.

Name Servers

koudaidaxue.com is delegated to two name servers: aria.ns.cloudflare.com and rex.ns.cloudflare.com.

koudaidaxue.com shares the same name server setup with other domains, for instance naivetech.cn, xaxolz.qpon and xpcoin.io.

At least part of the name servers for koudaidaxue.com are shared with other domains, for instance yunolyefubievo.com, whatmytrip.com, uvecd.org.tr, jorvianelato.com and sorinavelothu.com.

These name servers are often used together with heather.ns.cloudflare.com, iris.ns.cloudflare.com and fish.ns.cloudflare.com.

Host names with six IP numbers:

aria.ns.cloudflare.com points to: 2606:4700:50::adf5:3a44, 2803:f800:50::6ca2:c044, 2a06:98c1:50::ac40:2044, 108.162.192.68, 172.64.32.68 and 173.245.58.68.

rex.ns.cloudflare.com points to: 2606:4700:58::a29f:2c0d, 2803:f800:50::6ca2:c30d, 2a06:98c1:50::ac40:230d, 108.162.195.13, 162.159.44.13 and 172.64.35.13.

Mail Servers

Three mail servers handle koudaidaxue.com: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

Host names with six IP numbers:

The host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

The host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

The host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.