masterclassenglish.com - robtex.com

masterclassenglish.com

DNSSEC🔒 Signed (DS record present)
A2a01:7c8:aac7:56b::1🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
A188.241.148.95🇳🇱 TRANSIP-AS188.241.148.0/22 TransIP B.V.
NSns0.transip.net ⭐
A2a01:7c8:dddd:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns0.transip.net
A195.135.195.195🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.
PTRns0.transip.net
NSns1.transip.nl
A2a01:7c8:7000:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns1.transip.nl
A195.8.195.195🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.
PTRns1.transip.nl
NSns2.transip.eu
A2a01:7c8:f:c1f::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns2.transip.eu
A37.97.199.195🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns2.transip.eu
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A142.251.111.26🇺🇸 Google142.251.111.0/24
PTRbk-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTv=spf1 mx a ip4:188.241.148.95 ip4:136.144.190.166 ip4:54.77.52.25 include:_s...
TXTfacebook-domain-verification=agbna7t8sdmdsn5cuh7ne76yabh4h1
TXTgoogle-site-verification=Z-TaajdR_ssaQOAo4nnCRMKEg67jSnflM00dwt9Itgo
SOAns0.transip.nethostmaster@transip.nl 2021-09-16 #1

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=1776975951
rank #685459 globally
rank #307508 in the tld
WOT: SAFE (58/100)

Same first word

masterclassenglish.com

DNS History

14 records (12 active, 2 former)

20162017201820192020202120222023202420252026NSns0.transip.netns1.transip.nlns2.transip.euMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA188.241.148.952a01:7c8:aac7:56b::1149.210.198.72149.210.247.169
●NSns0.transip.net2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●NSns1.transip.nl2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●NSns2.transip.eu2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●MXalt1.aspmx.l.google.com2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●MXalt2.aspmx.l.google.com2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●MXaspmx.l.google.com2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●MXaspmx2.googlemail.com2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●MXaspmx3.googlemail.com2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●MXaspmx4.googlemail.com2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
●MXaspmx5.googlemail.com2015-07-10 → 2026-04-23 · 2 obs
● 2015-07-10 05:11:30
● 2026-04-23 20:38:46
○A149.210.198.722015-07-10 → 2016-02-08 · 4 obs
● 2015-07-10 05:11:30
● 2016-02-08 11:53:30
○ 2016-04-27 06:09:12
○ 2026-04-23 20:38:46
○A149.210.247.1692016-04-27 → 2017-11-16 · 5 obs
○ 2016-02-08 11:53:30
● 2016-04-27 06:09:12
● 2017-11-16 23:36:14
○ 2026-03-16 16:11:32
○ 2026-04-23 20:38:46
●A188.241.148.952026-03-16 → 2026-04-23 · 3 obs
○ 2017-11-16 23:36:14
● 2026-03-16 16:11:32
● 2026-04-23 20:38:46
●A2a01:7c8:aac7:56b::12026-03-16 → 2026-04-23 · 3 obs
○ 2017-11-16 23:36:14
● 2026-03-16 16:11:32
● 2026-04-23 20:38:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net...-
masterclassenglish.comns1.transip.nl, ns0.transip.net, ns2.transip.eu-

✅ Authoritative Response

Server:37.97.199.195

NS records: ns1.transip.nl, ns0.transip.net, ns2.transip.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1778ms | Queries: -

📄 Records

TypeCountSample Data
A1188.241.148.95
AAAA12a01:7c8:aac7:56b::1
NS3ns0.transip.net, ns2.transip.eu...
MX7aspmx2.googlemail.com (pri: 30), aspmx.l.google.com (pri: 10)...
TXT3facebook-domain-verification=agbna7t8sdm, google-site-verification=Z-TaajdR_ssaQOA...
SOA1ns0.transip.net hostmaster.transip.nl

Analysis

IP Addresses

masterclassenglish.com resolves to two IP numbers: 2a01:7c8:aac7:56b::1 and 188.241.148.95.

Other host names such as masterclassdutch.com and 188-241-148-95.colo.transip.net share IP numbers with masterclassenglish.com.

Name Servers

masterclassenglish.com is delegated to three name servers ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

masterclassenglish.com at least partially shares name servers with other domains, for instance festivalstroom.com, cyclustrader.nl, esef.nl, daanvanleeuwen.nl and yuckfou.nl.

Host names with two IP numbers:

ns2.transip.eu points to: 2a01:7c8:f:c1f::195 and 37.97.199.195.

ns0.transip.net points to: 2a01:7c8:dddd:195::195 and 195.135.195.195.

ns1.transip.nl points to: 2a01:7c8:7000:195::195 and 195.8.195.195.

Mail Servers

masterclassenglish.com is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

masterclassenglish.com shares some mail servers with other domains, at least partially, for instance grafin.com, akkay.net, ns500759.ns500758.ns500698.ns500736.ns500735.ns500735.ns500708.ns500708.ns500698.ns500698.ns500708.ns500619.ns500576.ns500619.ns500619.trackreceptor.com, ns500698.ns500759.ns500698.ns500698.ns500758.ns500735.ns500735.ns500735.ns500698.ns500698.ns500576.ns500686.ns500619.ns500576.ns500619.trackreceptor.com and ns500698.ns500759.ns500759.ns500698.ns500736.ns500698.ns500698.ns500736.ns500736.ns500698.ns500576.ns500576.ns500652.ns500576.trackreceptor.com.

These mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Two IP numbers per host name:

aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26

aspmx3.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.27

aspmx4.googlemail.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27

aspmx5.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.27

aspmx.l.google.com points to 2607:f8b0:4004:c1b::1b and 142.251.111.26

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27

Host names that point to 108.177.123.26: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Host names that point to 172.253.116.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com