ontrack4u.com - robtex.com

ontrack4u.com

DNSSEC⚠️ Not signed
NSns-cloud-a1.googledomains.com ⭐
A2001:4860:4802:32::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a1.googledomains.com
A216.239.32.106🇺🇸 Google216.239.32.0/24
PTRns-cloud-a1.googledomains.com
NSns-cloud-a2.googledomains.com
A2001:4860:4802:34::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a2.googledomains.com
A216.239.34.106🇺🇸 Google216.239.34.0/24
PTRns-cloud-a2.googledomains.com
NSns-cloud-a3.googledomains.com
A2001:4860:4802:36::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a3.googledomains.com
A216.239.36.106🇺🇸 Google216.239.36.0/24
PTRns-cloud-a3.googledomains.com
NSns-cloud-a4.googledomains.com
A2001:4860:4802:38::6a🇺🇸 Google2001:4860::/32
PTRns-cloud-a4.googledomains.com
A216.239.38.106🇺🇸 Google216.239.38.0/24
PTRns-cloud-a4.googledomains.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c0b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f27.1e100.net
A172.253.62.26🇺🇸 Google172.253.62.0/24
PTRbc-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
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
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTgoogle-site-verification=Dfm7GxFJc-N4h5epthGx8Em-TdbcZ25XbUPVVrycMdk
TXTv=spf1 include:_spf.google.com ~all
SOAns-cloud-a1.googledomains.comcloud-dns-hostmaster@google.com serial=13

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=1774434762

Previously MX for

ontrack4u.com

Same first word

ontrack4u.com

DNS History

19 records (9 active, 10 former)

200920112013201520172019202120232025NSns-cloud-a1.googledomains.comns-cloud-a2.googledomains.comns-cloud-a3.googledomains.comns-cloud-a4.googledomains.comns1.officelive.comns1.supercp.comns2.officelive.comns2.supercp.comns3.supercp.comns4.supercp.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comontrack4u.compamx1.hotmail.comA65.55.194.7466.198.240.57
●NSns-cloud-a1.googledomains.com2026-02-25 → 2026-03-25 · 3 obs
○ 2020-02-01 11:34:46
● 2026-02-25 20:44:00
● 2026-03-25 10:50:16
●NSns-cloud-a2.googledomains.com2026-02-25 → 2026-03-25 · 3 obs
○ 2020-02-01 11:34:46
● 2026-02-25 20:44:00
● 2026-03-25 10:50:16
●NSns-cloud-a3.googledomains.com2026-02-25 → 2026-03-25 · 3 obs
○ 2020-02-01 11:34:46
● 2026-02-25 20:44:00
● 2026-03-25 10:50:16
●NSns-cloud-a4.googledomains.com2026-02-25 → 2026-03-25 · 3 obs
○ 2020-02-01 11:34:46
● 2026-02-25 20:44:00
● 2026-03-25 10:50:16
○NSns1.officelive.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:47:48
○ 2015-10-13 04:34:12
○ 2026-03-25 10:50:16
○NSns1.supercp.com2020-02-01 → 2020-02-01 · 4 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
○ 2026-02-25 20:44:00
○ 2026-03-25 10:50:16
○NSns2.officelive.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:47:48
○ 2015-10-13 04:34:12
○ 2026-03-25 10:50:16
○NSns2.supercp.com2020-02-01 → 2020-02-01 · 4 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
○ 2026-02-25 20:44:00
○ 2026-03-25 10:50:16
○NSns3.supercp.com2020-02-01 → 2020-02-01 · 4 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
○ 2026-02-25 20:44:00
○ 2026-03-25 10:50:16
○NSns4.supercp.com2020-02-01 → 2020-02-01 · 4 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
○ 2026-02-25 20:44:00
○ 2026-03-25 10:50:16
●MXalt1.aspmx.l.google.com2020-02-01 → 2026-03-25 · 3 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
● 2026-03-25 10:50:16
●MXalt2.aspmx.l.google.com2020-02-01 → 2026-03-25 · 3 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
● 2026-03-25 10:50:16
●MXalt3.aspmx.l.google.com2020-02-01 → 2026-03-25 · 3 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
● 2026-03-25 10:50:16
●MXalt4.aspmx.l.google.com2020-02-01 → 2026-03-25 · 3 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
● 2026-03-25 10:50:16
●MXaspmx.l.google.com2020-02-01 → 2026-03-25 · 3 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
● 2026-03-25 10:50:16
○MXontrack4u.com2020-02-01 → 2020-02-01 · 4 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
○ 2026-02-25 20:44:00
○ 2026-03-25 10:50:16
○MXpamx1.hotmail.com2008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:47:48
○ 2015-10-13 04:34:12
○ 2026-03-25 10:50:16
○A65.55.194.742008-03-15 → 2008-03-15 · 3 obs
● 2008-03-15 05:47:48
○ 2015-10-13 04:34:12
○ 2026-03-25 10:50:16
○A66.198.240.572020-02-01 → 2020-02-01 · 4 obs
○ 2015-10-13 04:34:12
● 2020-02-01 11:34:46
○ 2026-02-25 20:44:00
○ 2026-03-25 10:50:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ontrack4u.comns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com8 records

✅ Authoritative Response

Server:216.239.36.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 377ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-cloud-a1.googledomains.com, ns-cloud-a3.googledomains.com...
MX5aspmx.l.google.com (pri: 1), alt4.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=Dfm7GxFJc-N4h5e, v=spf1 include:_spf.google.com ~all
SOA1ns-cloud-a1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)

Analysis

Name Servers

ontrack4u.com delegates to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

ontrack4u.com at least partially shares name servers with other domains, including maxware.org, rcable.es, imcocr.com, agopla.com and landbot.online.

Host names with two IP numbers: ns-cloud-a1.googledomains.com points to 2001:4860:4802:32::6a and 216.239.32.106; ns-cloud-a2.googledomains.com points to 2001:4860:4802:34::6a and 216.239.34.106; ns-cloud-a3.googledomains.com points to 2001:4860:4802:36::6a and 216.239.36.106; ns-cloud-a4.googledomains.com points to 2001:4860:4802:38::6a and 216.239.38.106.

Mail Servers

ontrack4u.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.

ontrack4u.com shares at least some mail servers with other domains, for example brabrouci.cz, ardent.com, ns500731.ns500671.ns500671.ns500731.ns500731.ns500678.ns500688.ns500671.ns500671.ns500671.ns500131.lustychickser.com, ns500759.ns500758.ns500758.ns500698.ns500736.ns500698.ns500736.ns500736.ns500698.ns500736.ns500708.ns500708.ns500686.ns500576.ns500619.trackreceptor.com and oceanfree.com.

These mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c0b::1b and 172.253.62.26.

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.27.

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27.

alt3.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.26.

alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26.