mastery.be - robtex.com

mastery.be

DNSSEC⚠️ Not signed
A160.251.151.105🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRs278.xrea.com
NSns1.value-domain.com ⭐
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmastery.be ⭐
A160.251.151.105🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRs278.xrea.com
TXTv=spf1 ip4:160.251.151.105 ~all
SOAns1.value-domain.comhostmaster@mastery.be 2020-08-26 #19

be

DNSSEC🔒 Signed (DS record present)
NSa.nsset.be ⭐
NSb.nsset.be
NSc.nsset.be
NSd.nsset.be
NSy.nsset.be
NSz.nsset.be
SOAa.nsset.bebe-hostmaster@dnsbelgium.be serial=1028241022

MX for

mastery.be

Same first word

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mastery.uz
mastery.no
mastery.de
mastery.com
mastery.edu.au
mastery.vn
mastery.sk
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DNS History

7 records (5 active, 2 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comMXmastery.beA160.251.151.105150.95.9.105203.189.105.105
●NSns1.value-domain.com2015-08-02 → 2026-04-11 · 2 obs
● 2015-08-02 22:47:32
● 2026-04-11 18:41:22
●NSns2.value-domain.com2015-08-02 → 2026-04-11 · 2 obs
● 2015-08-02 22:47:32
● 2026-04-11 18:41:22
●NSns3.value-domain.com2026-03-01 → 2026-04-11 · 3 obs
○ 2015-08-02 22:47:32
● 2026-03-01 10:43:02
● 2026-04-11 18:41:22
●MXmastery.be2015-08-02 → 2026-04-11 · 2 obs
● 2015-08-02 22:47:32
● 2026-04-11 18:41:22
○A150.95.9.1052018-05-18 → 2018-05-18 · 4 obs
○ 2016-09-10 02:37:18
● 2018-05-18 02:01:36
○ 2026-03-01 10:43:02
○ 2026-04-11 18:41:22
●A160.251.151.1052026-03-01 → 2026-04-11 · 3 obs
○ 2018-05-18 02:01:36
● 2026-03-01 10:43:02
● 2026-04-11 18:41:22
○A203.189.105.1052015-08-02 → 2016-09-10 · 4 obs
● 2015-08-02 22:47:32
● 2016-09-10 02:37:18
○ 2018-05-18 02:01:36
○ 2026-04-11 18:41:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bea.nsset.be, b.nsset.be, c.nsset.be, d.nsset.be...-
mastery.bens1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com-

✅ Authoritative Response

Server:172.64.53.115

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastery.be (unsigned zone)

⏱️ Timing

Total: 981ms | Queries: -

📄 Records

TypeCountSample Data
A1160.251.151.105
NS2ns1.value-domain.com, ns2.value-domain.com
MX1mastery.be (pri: 10)
TXT1v=spf1 ip4:160.251.151.105 ~all
SOA1ns1.value-domain.com hostmaster.mastery.

Analysis

Mail Server Role

mastery.be serves as a mail server for mastery.be.

IP Addresses

mastery.be points to a single IP: 160.251.151.105.

Other host names, for instance ho4.net, www.ooze-flash.com, komichi.net, ohkuni.net and hostmaster.raura.biz share IP numbers with mastery.be.

Name Servers

mastery.be is delegated to three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.

mastery.be partially shares name servers with other domains; examples include 86o.net, larkweb.com, onokaikei.com, horiagency.co.jp and kawa-supporters.net.

These name servers are commonly used with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Hosts with two IPs:

ns1.value-domain.com ->172.64.52.38 and 172.64.52.161

ns2.value-domain.com ->172.64.53.3 and 172.64.53.115

ns3.value-domain.com ->172.64.52.38 and 172.64.52.161

Hosts pointing to 172.64.52.38: ns1.value-domain.com and ns3.value-domain.com

Hosts pointing to 172.64.52.161: ns1.value-domain.com and ns3.value-domain.com

Mail Servers

mastery.be is handled by a single mail server, mastery.be.

mastery.be points to a single IP: 160.251.151.105.