postcaster.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

postcaster.dev

DNSSEC⚠️ Not signed
NSaron.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a45🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A2803:f800:50::6ca2:c045🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaron.ns.cloudflare.com
A2a06:98c1:50::ac40:2045🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaron.ns.cloudflare.com
A108.162.192.69🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A172.64.32.69🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A173.245.58.69🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
NSeoin.ns.cloudflare.com
A2606:4700:58::a29f:2c56🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
A2803:f800:50::6ca2:c356🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReoin.ns.cloudflare.com
A2a06:98c1:50::ac40:2356🇺🇸 Cloudflare2a06:98c1:50::/45
PTReoin.ns.cloudflare.com
A108.162.195.86🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
A162.159.44.86Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
A172.64.35.86🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReoin.ns.cloudflare.com
SOAaron.ns.cloudflare.comdns@cloudflare.com serial=2414042378

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

postcaster.com
postcaster.dev
postcaster.ai

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postba.dev
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postbinary.dev
postblink.dev
postblitz.dev
postboard.dev
postbode.dev
postbootcamp.dev
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postchi.dev
postclaw.dev
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postcommit.dev
postcore.dev
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DNS History

2 records (2 active, 0 former)

NSaron.ns.cloudflare.comeoin.ns.cloudflare.com
●NSaron.ns.cloudflare.com2026-09-10 → 2026-09-28 · 2 obs
● 2026-09-10 07:28:30
● 2026-09-28 09:40:58
●NSeoin.ns.cloudflare.com2026-09-10 → 2026-09-28 · 2 obs
● 2026-09-10 07:28:30
● 2026-09-28 09:40:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
postcaster.devaron.ns.cloudflare.com, eoin.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.86

NS records: aron.ns.cloudflare.com, eoin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postcaster.dev (unsigned zone)

⏱️ Timing

Total: 1102ms | Queries: -

📄 Records

TypeCountSample Data
NS2aron.ns.cloudflare.com, eoin.ns.cloudflare.com
SOA1aron.ns.cloudflare.com dns.cloudflare.co

Analysis

Name Servers

postcaster.dev uses two name servers for its delegation: aron.ns.cloudflare.com and eoin.ns.cloudflare.com.

The name server configuration of postcaster.dev is shared with other domains, for instance cosystem.dev, michal190518.workers.dev, smartremindapp.workers.dev and two others.

There is at least partial name server overlap between postcaster.dev and other domains — a1net.nl, hefflapp.workers.dev, kaihuimachinery.com and two more among them.

These name servers frequently co-occur with the name servers jeremy.ns.cloudflare.com and gabe.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname aron.ns.cloudflare.com directs to 108.162.192.69, 172.64.32.69 and 173.245.58.69 along with 3 other IP addresses.

Hostname eoin.ns.cloudflare.com directs to 108.162.195.86, 162.159.44.86 and 172.64.35.86 along with 3 other IP addresses.