bertrandtech.com - robtex.com

bertrandtech.com

DNSSEC⚠️ Not signed
NSns-cloud-b1.googledomains.com ⭐
A2001:4860:4802:32::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b1.googledomains.com
A216.239.32.107🇺🇸 Google216.239.32.0/24
PTRns-cloud-b1.googledomains.com
NSns-cloud-b2.googledomains.com
A2001:4860:4802:34::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b2.googledomains.com
A216.239.34.107🇺🇸 Google216.239.34.0/24
PTRns-cloud-b2.googledomains.com
NSns-cloud-b3.googledomains.com
A2001:4860:4802:36::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b3.googledomains.com
A216.239.36.107🇺🇸 Google216.239.36.0/24
PTRns-cloud-b3.googledomains.com
NSns-cloud-b4.googledomains.com
A2001:4860:4802:38::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b4.googledomains.com
A216.239.38.107🇺🇸 Google216.239.38.0/24
PTRns-cloud-b4.googledomains.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A142.251.2.26🇺🇸 Google142.251.2.0/24
PTRdl-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
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
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
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
TXTv=spf1 include:_spf.google.com ~all
SOAns-cloud-b1.googledomains.comcloud-dns-hostmaster@google.com serial=97

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=1774544192

Same first word

bertrandtech.com

DNS History

17 records (9 active, 8 former)

20162017201820192020202120222023202420252026NSns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comns-us.1and1-dns.comns-us.1and1-dns.dens-us.1and1-dns.orgns-us.1and1-dns.usMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx00.1and1.commx01.1and1.comA2607:f1c0:1000:3075:16e1:282:73b:d00374.208.120.31
●NSns-cloud-b1.googledomains.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
●NSns-cloud-b2.googledomains.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
●NSns-cloud-b3.googledomains.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
●NSns-cloud-b4.googledomains.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
○NSns-us.1and1-dns.com2015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58
○NSns-us.1and1-dns.de2015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58
○NSns-us.1and1-dns.org2015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58
○NSns-us.1and1-dns.us2015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58
●MXalt1.aspmx.l.google.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
●MXalt2.aspmx.l.google.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
●MXalt3.aspmx.l.google.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
●MXalt4.aspmx.l.google.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
●MXaspmx.l.google.com2016-09-21 → 2026-03-26 · 3 obs
○ 2016-04-03 03:00:36
● 2016-09-21 06:15:06
● 2026-03-26 17:14:58
○MXmx00.1and1.com2015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58
○MXmx01.1and1.com2015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58
○A2607:f1c0:1000:3075:16e1:282:73b:d0032015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58
○A74.208.120.312015-10-22 → 2016-04-03 · 4 obs
● 2015-10-22 14:15:30
● 2016-04-03 03:00:36
○ 2016-09-21 06:15:06
○ 2026-03-26 17:14:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
bertrandtech.comns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com8 records

✅ Authoritative Response

Server:216.239.36.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bertrandtech.com (unsigned zone)

⏱️ Timing

Total: 306ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com...
MX5alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...
TXT1v=spf1 include:_spf.google.com ~all
SOA1ns-cloud-b1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)

Analysis

Name Servers

bertrandtech.com is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

bertrandtech.com shares name servers with other domains at least partially, for instance burunestetiksanati.com, enviscient.org, datasura.com, nhsmail.de and ept.ca.

Host names with two IP numbers:

ns-cloud-b1.googledomains.com resolves to 2001:4860:4802:32::6b and 216.239.32.107.

ns-cloud-b2.googledomains.com resolves to 2001:4860:4802:34::6b and 216.239.34.107.

ns-cloud-b3.googledomains.com resolves to 2001:4860:4802:36::6b and 216.239.36.107.

ns-cloud-b4.googledomains.com resolves to 2001:4860:4802:38::6b and 216.239.38.107.

Mail Servers

bertrandtech.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

bertrandtech.com shares some mail servers with other domains, including ns500742.ns500754.ns500671.ns500704.ns500705.ns500705.ns500678.ns500678.ns500291.ns500671.ns500671.ns500666.tenderladiesbz.com, ns500699.ns500699.ns500699.ns500734.ns500699.ns500699.ns500734.ns500693.ns500699.ns500693.ns500588.ns500588.ns500588.ns500588.ns500612.ns500588.ns500588.dtrkdll.com, ns500698.ns500698.ns500758.ns500735.ns500736.ns500735.ns500735.ns500698.ns500698.ns500576.ns500576.ns500698.ns500576.trackreceptor.com, ns500731.ns500671.ns500671.ns500754.ns500754.ns500671.ns500678.ns500704.ns500649.ns500678.ns500142.lusty(0x736c7574)z.com and ns500671.ns500742.ns500754.ns500754.ns500671.ns500731.ns500688.ns500291.ns500671.ns500153.tenderladiesbz.com.

these mail servers are commonly used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c06::1a and 142.251.2.26.

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

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

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26.

alt4.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.