mail.agerstein.com - robtex.com

mail.agerstein.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:3f7f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:aab0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.127Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.176🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
MXmx1.mailchannels.net ⭐
A54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
MXmx2.mailchannels.net ⭐
A54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-177-89.us-west-2.compute.amazonaws.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.127, 172.67.170.176
IPv6 hints2606:4700:3031::6815:3f7f, 2606:4700:3034::ac43:aab0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com

agerstein.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:3f7f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:aab0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.127Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.176🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSashton.ns.cloudflare.com ⭐
NSluciane.ns.cloudflare.com
MXmx1.mailchannels.net ⭐
MXmx2.mailchannels.net ⭐
TXTv=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.127, 172.67.170.176
IPv6 hints2606:4700:3031::6815:3f7f, 2606:4700:3034::ac43:aab0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com
SOAashton.ns.cloudflare.comdns@cloudflare.com serial=2402388830

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DNS History

10 records (6 active, 4 former)

MXmx1.mailchannels.netmx2.mailchannels.netA104.21.63.127172.67.170.1762606:4700:3031::6815:3f7f2606:4700:3034::ac43:aab0188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●MXmx1.mailchannels.net2026-02-15 → 2026-04-24 · 2 obs
● 2026-02-15 07:50:08
● 2026-04-24 03:15:52
●MXmx2.mailchannels.net2026-02-15 → 2026-04-24 · 2 obs
● 2026-02-15 07:50:08
● 2026-04-24 03:15:52
●A104.21.63.1272026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-15 07:50:08
● 2026-04-24 03:15:52
●A172.67.170.1762026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-15 07:50:08
● 2026-04-24 03:15:52
○A188.114.96.02026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 07:50:08
○ 2026-04-24 03:15:52
○A188.114.97.02026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 07:50:08
○ 2026-04-24 03:15:52
●A2606:4700:3031::6815:3f7f2026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-15 07:50:08
● 2026-04-24 03:15:52
●A2606:4700:3034::ac43:aab02026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-15 07:50:08
● 2026-04-24 03:15:52
○A2a06:98c1:3120::2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 07:50:08
○ 2026-04-24 03:15:52
○A2a06:98c1:3121::2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 07:50:08
○ 2026-04-24 03:15:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
agerstein.comluciane.ns.cloudflare.com, ashton.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.173

NS records: luciane.ns.cloudflare.com, ashton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for agerstein.com (unsigned zone)

⏱️ Timing

Total: 119ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.63.127, 172.67.170.176
AAAA22606:4700:3034::ac43:aab0, 2606:4700:3031::6815:3f7f
MX2mx1.mailchannels.net (pri: 0), mx2.mailchannels.net (pri: 0)
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (luciane.ns.cloudflare.com, luciane.ns.cloudflare.com, luciane.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by mail.agerstein.com: 2606:4700:3031::6815:3f7f, 2606:4700:3034::ac43:aab0, 104.21.63.127 and 172.67.170.176.

other host names including mail.zietergoeduit.com, top-modelz.org, www.jrxyx.cn, 4503023.com and gemol.me share IP numbers with mail.agerstein.com.

Mail Servers

Two mail servers handle mail.agerstein.com: mx1.mailchannels.net and mx2.mailchannels.net.

mail.agerstein.com shares the same mail server setup as other domains, for instance wbascores.com, vesperhollow.net, loravel.com, survivormanual.com and sibi.es.

mail.agerstein.com shares at least partially some mail servers with other domains, including sbdevelopment.se, beg.se and febstockholm.se.

Host names with a single IP:

mx1.mailchannels.net points to 54.187.177.89.

mx2.mailchannels.net points to 54.187.177.89.

Host names pointing to 54.187.177.89: mx1.mailchannels.net and mx2.mailchannels.net.