mail.nexstack.sg - robtex.com

mail.nexstack.sg

DNSSEC⚠️ Not signed
A103.7.9.136🇸🇬 EXABYTES-AS-AP103.7.8.0/22 Exabytes Network (Singapore) Pte. Ltd. 140 Paya Lebar 08-02 AZ Paya Lebar
PTRnp133.sgcloudhosting.cloud
MXmxa.onesignal.email ⭐
A34.149.254.5🇺🇸 Google34.148.0.0/14
PTR5.254.149.34.bc.googleusercontent.com
MXmxb.onesignal.email ⭐
A34.149.254.5🇺🇸 Google34.148.0.0/14
PTR5.254.149.34.bc.googleusercontent.com
TXTv=spf1 include:spf.onesignal.email include:mailgun.org ~all

nexstack.sg

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:600b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:abf2🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.96.11Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.242🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmarjory.ns.cloudflare.com ⭐
NSstan.ns.cloudflare.com
MXmail.nexstack.sg ⭐
MXmxa.mailgun.org(10)
MXmxb.mailgun.org(10)
TXTgoogle-site-verification=PjLIHCKLKajoTLXN2lR4CKdlXLXgb2Mn-Gpvteso1O8
TXTv=spf1 ip4:103.7.9.136 a:mail.nexstack.sg mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.96.11, 172.67.171.242
IPv6 hints2606:4700:3030::6815:600b, 2606:4700:3034::ac43:abf2
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOAmarjory.ns.cloudflare.comdns@cloudflare.com serial=2406901585

MX for

nexstack.sg

Same first word

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mali.me
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DNS History

3 records (3 active, 0 former)

MXmxa.onesignal.emailmxb.onesignal.emailA103.7.9.136
●MXmxa.onesignal.email2026-06-16 → 2026-06-16 · 2 obs
● 2026-06-16 10:35:38
● 2026-06-16 16:16:44
●MXmxb.onesignal.email2026-06-16 → 2026-06-16 · 2 obs
● 2026-06-16 10:35:38
● 2026-06-16 16:16:44
●A103.7.9.1362026-06-16 → 2026-06-16 · 2 obs
● 2026-06-16 10:35:38
● 2026-06-16 16:16:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sgns4.apnic.net, dsany4.sgnic.sg, dsany3.sgnic.sg, pch.sgzones.sg...10 records
nexstack.sgstan.ns.cloudflare.com, marjory.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.235

NS records: stan.ns.cloudflare.com, marjory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nexstack.sg (unsigned zone)

⏱️ Timing

Total: 564ms | Queries: -

📄 Records

TypeCountSample Data
A1103.7.9.136
MX2mxa.onesignal.email (pri: 10), mxb.onesignal.email (pri: 10)
TXT1v=spf1 include:spf.onesignal.email inclu

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (dsany4.sgnic.sg, dsany4.sgnic.sg, dsany3.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

Mail Server Role

mail.nexstack.sg serves as a mail server for nexstack.sg.

mxa.mailgun.org and mxb.mailgun.org are often paired with mail.nexstack.sg as mail servers.

IP Addresses

mail.nexstack.sg points to a single IP number: 103.7.9.136.

Additional host names — spize.com.sg, limkee.com, mail.e-star.com.sg and two others — share IP numbers with mail.nexstack.sg.

Mail Servers

mail.nexstack.sg has two mail servers: mxa.onesignal.email and mxb.onesignal.email.

mail.nexstack.sg shares the same mail server setup as other domains, including mail.bagino.sk, mail.e-manthus.com, mail.anderlecht-online.be and two others.

mail.nexstack.sg shares mail servers — at least in part — with other domains, including smartist.app, doujinblog.org, mail.enduco.app and two others.

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

mxa.onesignal.email and mxb.onesignal.email each point to one IP address — 34.149.254.5.

The host names mxa.onesignal.email and mxb.onesignal.email both resolve to 34.149.254.5 IP addresses.