ns1.sg.opalstack.com - dns.ninja

`ns1.sg.opalstack.com`

DNSSEC	⚠️ Not signed
A	172.104.188.200^{🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies}
		PTR	`ns1.sg.opalstack.com`
MX	`mx1.us.opalstack.com` ⭐
		A	108.62.123.121^{🇺🇸 AS30633108.62.120.0/22}
MX	`mx2.us.opalstack.com` ⭐
		A	2605:fe80:2100:bf03:7::2^{🇺🇸 AS72032605:fe80::/32}
			PTR	`mx2.us.opalstack.com`
		A	23.82.16.244^{🇺🇸 AS720323.82.16.0/21}
TXT	`v=spf1 include:spf.opalstack.com ~all`

`sg.opalstack.com`

	DNSSEC	⚠️ Not signed
	A	142.91.170.38^{🇺🇸 AS7203142.91.168.0/22 Leaseweb USA, Inc.}
	MX	`mx1.us.opalstack.com` ⭐
	MX	`mx2.us.opalstack.com` ⭐
	TXT	`v=spf1 include:spf.opalstack.com ~all`

PTR for

200.188.104.172.in-addr.arpa

NS for

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thawani.net

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regional.guide

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regional.directory

launshae.com

Previously NS for

dpdhar.com

fuzo.in

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seg.ae

expatfinance.net

aileenwo.com

mycardmap.com

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Same first word

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ns1.fm

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ns1.online

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ns1.vg

ns1.bz

ns1.df.gov.br

ns1.ie

ns1.systems

ns1.me

ns1.dsmynas.net

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ns1.phx.enscaled.us

ns1.co.il

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ns1.co.tz

ns1.com.pa

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ns1.primetel.cloud

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ns1.ge

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ns1.si

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ns1.altervista.org

ns1.v.ua

ns1.perspecta.cloud

ns1.ch.trendhosting.cloud

ns1.com.ru

ns1.drud.us

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ns1.com.au

ns1.km

ns1.dscloud.me

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ns1.csx.cc

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ns1.hk

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ns1.police.uk

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ns1.es

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ns1.cz

ns1.org.ph

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ns1.onavstack.net

ns1.website

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ns1.com.ph

ns1.de

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ns1.name

ns1.beep.pl

ns1.net

ns1.siteleaf.net

ns1.kr

ns1.co.kr

ns1.co.ca

ns1.mynascloud.com

ns1.pr.gov.br

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1sn.net

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n1s.ch

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1ns.me

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ns1.it1.eur.aruba.jenv-aruba.cloud

ns1.gn

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ns1.com.ua

DNS History

5 records (3 active, 2 former)

○MXmx1.de.opalstack.com2026-02-15 → 2026-07-19 · 279 obs

○ 2026-02-15 17:37:38
● 2026-02-15 21:14:06
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○ 2026-07-01 00:50:34
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● 2026-07-19 03:46:06
○ 2026-07-19 19:31:44
○ 2026-07-20 03:23:28

●MXmx1.us.opalstack.com2020-01-12 → 2026-07-20 · 280 obs

● 2020-01-12 07:25:12
● 2026-02-15 17:37:38
○ 2026-02-15 21:14:06
● 2026-02-16 06:21:28
● 2026-02-18 06:20:30
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○MXmx2.de.opalstack.com2026-02-15 → 2026-07-19 · 279 obs

●MXmx2.us.opalstack.com2020-01-12 → 2026-07-20 · 280 obs

●A172.104.188.2002020-01-12 → 2026-07-20 · 2 obs

● 2020-01-12 07:25:12
● 2026-07-20 03:23:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
opalstack.com	ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com, ns1.de.opalstack.com	4 records

✅ Authoritative Response

Server:45.79.107.55

NS records: ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com, ns1.de.opalstack.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opalstack.com (unsigned zone)

⏱️ Timing

Total: 2015ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.188.200`
MX	2	`mx2.us.opalstack.com (pri: 10), mx1.us.opalstack.com (pri: 10)`
TXT	1	`v=spf1 include:spf.opalstack.com ~all`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.us.opalstack.com, ns2.us.opalstack.com, ns3.us.opalstack.com...)

Analysis

Name Server Role

Among the domains delegated to ns1.sg.opalstack.com as a name server are rexy.me, kvv.edu.in, palermotiling.com.au, arblib.org, jnalanko.net and a handful of others.

It is common to see ns2.sg.opalstack.com, ns3.sg.opalstack.com and ns1.us.opalstack.com acting as name servers in combination with ns1.sg.opalstack.com.

IP Addresses

ns1.sg.opalstack.com has exactly one IP address — 172.104.188.200.

Mail Servers

ns1.sg.opalstack.com uses two mail servers, mx1.us.opalstack.com and mx2.us.opalstack.com.

The mail server setup of ns1.sg.opalstack.com matches that of other domains such as briandalessandro.org, 2bak.cl, tucausaesmicausa.pe and two others.

The mail servers of ns1.sg.opalstack.com overlap at least partially with those of other domains, including adunlpam.org.ar, bloggi.co and eco-sensa.com.

Host names pointing to two IP addresses:

mx2.us.opalstack.com resolves to 23.82.16.244 and 2605:fe80:2100:bf03:7::2.

Host names resolving to a single IP address:

mx1.us.opalstack.com resolves to 108.62.123.121.