centre4testing.com - robtex.com

centre4testing.com

DNSSEC⚠️ Not signed
A3.33.251.168🇺🇸 Amazon3.33.240.0/20
PTRaec037177372cc6cd.awsglobalaccelerator.com
A15.197.225.128🇺🇸 Amazon15.197.224.0/20
NSns55.domaincontrol.com ⭐
A2603:5:21b2::1c🇺🇸 GODADDY-DNS2603:5:21b0::/44
PTRns55.domaincontrol.com
A97.74.107.28🇺🇸 GODADDY-DNS97.74.106.0/23
PTRns55.domaincontrol.com
NSns56.domaincontrol.com
A2603:5:22b2::1c🇺🇸 GODADDY-DNS2603:5:22b0::/44
PTRns56.domaincontrol.com
A173.201.75.28🇺🇸 GODADDY-DNS173.201.74.0/23
PTRns56.domaincontrol.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(30)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(40)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXaspmx3.googlemail.com(50)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com include:mail.zendesk.com include:spf.protectio...
SOAns55.domaincontrol.comdns@jomax.net 2025-06-30 #0

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=1771291435

Same first word

centre4testing.com

DNS History

19 records (9 active, 10 former)

200920112013201520172019202120232025NSns55.domaincontrol.comns56.domaincontrol.coma.ns.bytemark.co.ukb.ns.bytemark.co.ukc.ns.bytemark.co.ukdns1.supremedns.comdns1.supremeserver20.comdns2.supremeserver20.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comcentre4testing-com.mail.eo.outlook.comA15.197.225.1283.33.251.168208.117.46.253209.25.170.2346.43.34.114
○NSa.ns.bytemark.co.uk2017-04-18 → 2017-04-18 · 4 obs
○ 2016-04-30 20:42:50
● 2017-04-18 10:34:32
○ 2026-03-13 11:07:46
○ 2026-03-22 19:30:34
○NSb.ns.bytemark.co.uk2017-04-18 → 2017-04-18 · 4 obs
○ 2016-04-30 20:42:50
● 2017-04-18 10:34:32
○ 2026-03-13 11:07:46
○ 2026-03-22 19:30:34
○NSc.ns.bytemark.co.uk2017-04-18 → 2017-04-18 · 4 obs
○ 2016-04-30 20:42:50
● 2017-04-18 10:34:32
○ 2026-03-13 11:07:46
○ 2026-03-22 19:30:34
○NSdns1.supremedns.com2015-07-17 → 2016-04-30 · 5 obs
○ 2008-03-19 07:40:04
● 2015-07-17 10:58:52
● 2016-04-30 20:42:50
○ 2017-04-18 10:34:32
○ 2026-03-22 19:30:34
○NSdns1.supremeserver20.com2015-07-17 → 2016-04-30 · 5 obs
○ 2008-03-19 07:40:04
● 2015-07-17 10:58:52
● 2016-04-30 20:42:50
○ 2017-04-18 10:34:32
○ 2026-03-22 19:30:34
○NSdns2.supremeserver20.com2015-07-17 → 2016-04-30 · 5 obs
○ 2008-03-19 07:40:04
● 2015-07-17 10:58:52
● 2016-04-30 20:42:50
○ 2017-04-18 10:34:32
○ 2026-03-22 19:30:34
●NSns55.domaincontrol.com2026-03-13 → 2026-03-22 · 3 obs
○ 2017-04-18 10:34:32
● 2026-03-13 11:07:46
● 2026-03-22 19:30:34
●NSns56.domaincontrol.com2026-03-13 → 2026-03-22 · 3 obs
○ 2017-04-18 10:34:32
● 2026-03-13 11:07:46
● 2026-03-22 19:30:34
●MXalt1.aspmx.l.google.com2016-04-30 → 2026-03-22 · 3 obs
○ 2016-02-11 10:19:52
● 2016-04-30 20:42:50
● 2026-03-22 19:30:34
●MXalt2.aspmx.l.google.com2016-04-30 → 2026-03-22 · 3 obs
○ 2016-02-11 10:19:52
● 2016-04-30 20:42:50
● 2026-03-22 19:30:34
●MXaspmx.l.google.com2016-04-30 → 2026-03-22 · 3 obs
○ 2016-02-11 10:19:52
● 2016-04-30 20:42:50
● 2026-03-22 19:30:34
●MXaspmx2.googlemail.com2016-04-30 → 2026-03-22 · 3 obs
○ 2016-02-11 10:19:52
● 2016-04-30 20:42:50
● 2026-03-22 19:30:34
●MXaspmx3.googlemail.com2016-04-30 → 2026-03-22 · 3 obs
○ 2016-02-11 10:19:52
● 2016-04-30 20:42:50
● 2026-03-22 19:30:34
○MXcentre4testing-com.mail.eo.outlook.com2015-07-17 → 2016-02-11 · 5 obs
○ 2008-03-19 07:40:04
● 2015-07-17 10:58:52
● 2016-02-11 10:19:52
○ 2016-04-30 20:42:50
○ 2026-03-22 19:30:34
●A15.197.225.1282026-03-13 → 2026-03-22 · 3 obs
○ 2017-04-18 10:34:32
● 2026-03-13 11:07:46
● 2026-03-22 19:30:34
○A208.117.46.2532015-07-17 → 2016-04-30 · 5 obs
○ 2008-03-19 07:40:04
● 2015-07-17 10:58:52
● 2016-04-30 20:42:50
○ 2017-04-18 10:34:32
○ 2026-03-22 19:30:34
○A209.25.170.232008-03-19 → 2008-03-19 · 3 obs
● 2008-03-19 07:40:04
○ 2015-07-17 10:58:52
○ 2026-03-22 19:30:34
●A3.33.251.1682026-03-13 → 2026-03-22 · 3 obs
○ 2017-04-18 10:34:32
● 2026-03-13 11:07:46
● 2026-03-22 19:30:34
○A46.43.34.1142017-04-18 → 2017-04-18 · 4 obs
○ 2016-04-30 20:42:50
● 2017-04-18 10:34:32
○ 2026-03-13 11:07:46
○ 2026-03-22 19:30:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
centre4testing.comns55.domaincontrol.com, ns56.domaincontrol.com4 records

✅ Authoritative Response

Server: 173.201.75.28

NS records: ns55.domaincontrol.com, ns56.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centre4testing.com (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

TypeCountSample Data
A215.197.225.128, 3.33.251.168
NS2ns55.domaincontrol.com, ns56.domaincontrol.com
MX5aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT1v=spf1 include:_spf.google.com include:m
SOA1ns55.domaincontrol.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns55.domaincontrol.com, ns55.domaincontrol.com, ns56.domaincontrol.com...)

Analysis

IP Addresses

centre4testing.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.

Other host names such as 1519oxford.com, blocksig.com, global-beacon.net, manhattantaxiservice.com and tower18.com share IP numbers with centre4testing.com.

Name Servers

centre4testing.com is delegated to two name servers: ns55.domaincontrol.com and ns56.domaincontrol.com.

centre4testing.com uses the same name server setup as other domains, including nexdata.net, companyone.net, 556233.com, nprsda.com and forte.education.

Host names with two IP numbers:

ns55.domaincontrol.com points to 2603:5:21b2::1c and 97.74.107.28.

ns56.domaincontrol.com points to 2603:5:22b2::1c and 173.201.75.28.

Mail Servers

centre4testing.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

centre4testing.com shares at least some mail servers with other domains, for example ns500693.ns500734.ns500699.ns500734.ns500693.ns500699.ns500699.ns500693.ns500588.ns500693.ns500693.ns500693.ns500612.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, ns500742.ns500671.ns500731.ns500704.ns500704.ns500688.ns500678.ns500291.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com, ns500737.ns500737.ns500724.ns500737.ns500599.ns500724.ns500599.ns500583.ns500682.ns500669.www.yummyflingsfinder.com, ns500699.ns500693.ns500734.ns500734.ns500693.ns500693.ns500693.ns500699.ns500588.ns500588.ns500699.ns500683.ns500683.ns500699.ns500693.ns500699.ns500602.dtrkdll.com and oneone.co.

These mail servers are commonly used alongside alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers: aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27; aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26; aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27; alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26; alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.