`sentron.com.sg`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4aea^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:a49f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.74.234^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.159^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brenda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brenda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brenda.ns.cloudflare.com`
		A	108.162.192.77^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	172.64.32.77^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
		A	173.245.58.77^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenda.ns.cloudflare.com`
NS	`joel.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joel.ns.cloudflare.com`
		A	108.162.193.184^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	172.64.33.184^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	173.245.59.184^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.74.234, 172.67.164.159
		IPv6 hints	2606:4700:3030::6815:4aea, 2606:4700:3031::ac43:a49f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOA	`brenda.ns.cloudflare.com`dns@cloudflare.com serial=2406280297

`com.sg`

	DNSSEC	⚠️ Not signed
	NS	`ds.sgnic.sg` ⭐
	NS	`dsany2.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany3.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany4.sgnic.sg` ⚠️ Not in parent delegation
	NS	`pch.sgzones.sg` ⚠️ Not in parent delegation
	SOA	`ds.sgnic.sg`dna@sgnic.sg serial=2608040030

Same first word

sentron.be

sentron.ru

sentron.com.sg

sentron.ro

sentron.nl

sentron.com.tw

Similar names

tonners.com

nornets.com

nestorn.se

norsten.dk

tronsen.com

sonnert.com

sternon.com

nstoner.com

tronsen.no

stonner.com

sontner.de

sontner.net

nonster.com

nnstore.net

nornest.com

onrents.com

rentons.co.uk

stronen.com

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ntensor.com

tronsen.org

sternon.be

stronen.net

nstoren.myshopify.com

norsten.com

rnnotes.com

snrnote.blogspot.com

rnstone.com

tennsor.com

norents.com

trenson.be

tonners.se

DNS History

22 records (11 active, 11 former)

●NSbrenda.ns.cloudflare.com2026-06-29 → 2026-08-04 · 3 obs

○ 2017-06-13 16:42:18
● 2026-06-29 23:20:50
● 2026-08-04 00:58:22

●NSjoel.ns.cloudflare.com2026-06-29 → 2026-08-04 · 3 obs

○ 2017-06-13 16:42:18
● 2026-06-29 23:20:50
● 2026-08-04 00:58:22

○NSns1.dreamhost.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 08:52:06
○ 2015-12-03 16:27:48
○ 2026-08-04 00:58:22

○NSns1.sentron.com.sg2015-12-03 → 2017-06-13 · 5 obs

○ 2015-07-22 08:52:06
● 2015-12-03 16:27:48
● 2017-06-13 16:42:18
○ 2026-06-29 23:20:50
○ 2026-08-04 00:58:22

○NSns2.dreamhost.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 08:52:06
○ 2015-12-03 16:27:48
○ 2026-08-04 00:58:22

○NSns2.sentron.com.sg2015-12-03 → 2017-06-13 · 5 obs

○ 2015-07-22 08:52:06
● 2015-12-03 16:27:48
● 2017-06-13 16:42:18
○ 2026-06-29 23:20:50
○ 2026-08-04 00:58:22

○NSns3.dreamhost.com2015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 08:52:06
○ 2015-12-03 16:27:48
○ 2026-08-04 00:58:22

●MXalt1.aspmx.l.google.com2015-07-22 → 2026-08-04 · 2 obs

● 2015-07-22 08:52:06
● 2026-08-04 00:58:22

●MXalt2.aspmx.l.google.com2015-07-22 → 2026-08-04 · 2 obs

● 2015-07-22 08:52:06
● 2026-08-04 00:58:22

●MXaspmx.l.google.com2015-07-22 → 2026-08-04 · 2 obs

● 2015-07-22 08:52:06
● 2026-08-04 00:58:22

●MXaspmx2.googlemail.com2015-07-22 → 2026-08-04 · 2 obs

● 2015-07-22 08:52:06
● 2026-08-04 00:58:22

●MXaspmx3.googlemail.com2015-07-22 → 2026-08-04 · 2 obs

● 2015-07-22 08:52:06
● 2026-08-04 00:58:22

○A103.31.228.1502015-12-03 → 2017-06-13 · 5 obs

○ 2015-07-22 08:52:06
● 2015-12-03 16:27:48
● 2017-06-13 16:42:18
○ 2026-06-29 23:20:50
○ 2026-08-04 00:58:22

●A104.21.74.2342026-06-29 → 2026-08-04 · 4 obs

○ 2017-06-13 16:42:18
● 2026-06-29 23:20:50
○ 2026-07-30 22:01:52
● 2026-08-04 00:58:22

●A172.67.164.1592026-06-29 → 2026-08-04 · 4 obs

○ 2017-06-13 16:42:18
● 2026-06-29 23:20:50
○ 2026-07-30 22:01:52
● 2026-08-04 00:58:22

○A188.114.96.02026-07-30 → 2026-07-30 · 3 obs

○ 2026-06-29 23:20:50
● 2026-07-30 22:01:52
○ 2026-08-04 00:58:22

○A188.114.97.02026-07-30 → 2026-07-30 · 3 obs

○ 2026-06-29 23:20:50
● 2026-07-30 22:01:52
○ 2026-08-04 00:58:22

○A208.113.163.2162015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 08:52:06
○ 2015-12-03 16:27:48
○ 2026-08-04 00:58:22

●A2606:4700:3030::6815:4aea2026-06-29 → 2026-08-04 · 4 obs

○ 2017-06-13 16:42:18
● 2026-06-29 23:20:50
○ 2026-07-30 22:01:52
● 2026-08-04 00:58:22

●A2606:4700:3031::ac43:a49f2026-06-29 → 2026-08-04 · 4 obs

○ 2017-06-13 16:42:18
● 2026-06-29 23:20:50
○ 2026-07-30 22:01:52
● 2026-08-04 00:58:22

○A2a06:98c1:3120::2026-07-30 → 2026-07-30 · 3 obs

○ 2026-06-29 23:20:50
● 2026-07-30 22:01:52
○ 2026-08-04 00:58:22

○A2a06:98c1:3121::2026-07-30 → 2026-07-30 · 3 obs

○ 2026-06-29 23:20:50
● 2026-07-30 22:01:52
○ 2026-08-04 00:58:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg	-
sentron.com.sg	brenda.ns.cloudflare.com, joel.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.184

NS records: brenda.ns.cloudflare.com, joel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentron.com.sg (unsigned zone)

⏱️ Timing

Total: 512ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.74.234, 172.67.164.159`
AAAA	2	`2606:4700:3030::6815:4aea, 2606:4700:3031::ac43:a49f`
NS	2	`brenda.ns.cloudflare.com, joel.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brenda.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

sentron.com.sg directs to four IP numbers, which are 104.21.74.234, 172.67.164.159, 2606:4700:3030::6815:4aea and 2606:4700:3031::ac43:a49f.

Additional host names — teiebgwlry.club, jackysjamsandjellies.com, fshgjc.com and two others — share IP numbers with sentron.com.sg.

Name Servers

The NS records for sentron.com.sg delegate to brenda.ns.cloudflare.com and joel.ns.cloudflare.com.

sentron.com.sg shares its name server setup with other domains, including elcbigbend.org, safer.services, wcprd.com and two others.

There is at least partial name server overlap between sentron.com.sg and other domains — seo1.com.br, viewbix.com, iyicikti.com and two more among them.

These name servers frequently co-occur with the name servers hans.ns.cloudflare.com and walt.ns.cloudflare.com.

Host names with 6 IP numbers:

brenda.ns.cloudflare.com maps to 108.162.192.77, 172.64.32.77, 173.245.58.77 and 3 additional IP addresses.

joel.ns.cloudflare.com maps to 108.162.193.184, 172.64.33.184, 173.245.59.184 and 3 additional IP addresses.

Mail Servers

Five mail servers handle sentron.com.sg: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

sentron.com.sg shares mail servers — at least in part — with other domains, including acupunctureavl.com, chinelli.it, hostpvt.com and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for aspmx.l.google.com return 142.251.167.27 and 2607:f8b0:4004:c23::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1b IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1b IP addresses.