postpro.net - robtex.com

postpro.net

DNSSEC⚠️ Not signed
A103.168.172.65πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRmail.fastmail.com
NSfmns1.messagingengine.com ⭐
A162.159.24.253Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfmns1.messagingengine.com
NSfmns2.messagingengine.com
A162.159.25.114Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfmns2.messagingengine.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223πŸ‡ΊπŸ‡Έ FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com ~all
SOAfmns1.messagingengine.compostmaster@messagingengine.com 2026-03-05 #0

net

WOT: SAFE (60/100)

Subdomains

Same first word

Similar names

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSfmns1.messagingengine.comfmns2.messagingengine.comns1.messagingengine.comns2.messagingengine.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA103.168.172.6566.111.4.79
●NSfmns1.messagingengine.com2017-07-30 β†’ 2026-03-14 Β· 3 obs
β—‹ 2017-07-09 05:58:26
● 2017-07-30 01:41:40
● 2026-03-14 14:40:10
●NSfmns2.messagingengine.com2017-07-30 β†’ 2026-03-14 Β· 3 obs
β—‹ 2017-07-09 05:58:26
● 2017-07-30 01:41:40
● 2026-03-14 14:40:10
β—‹NSns1.messagingengine.com2015-08-31 β†’ 2017-07-09 Β· 4 obs
● 2015-08-31 00:03:32
● 2017-07-09 05:58:26
β—‹ 2017-07-30 01:41:40
β—‹ 2026-03-14 14:40:10
β—‹NSns2.messagingengine.com2015-08-31 β†’ 2017-07-09 Β· 4 obs
● 2015-08-31 00:03:32
● 2017-07-09 05:58:26
β—‹ 2017-07-30 01:41:40
β—‹ 2026-03-14 14:40:10
●MXin1-smtp.messagingengine.com2015-08-31 β†’ 2026-03-14 Β· 2 obs
● 2015-08-31 00:03:32
● 2026-03-14 14:40:10
●MXin2-smtp.messagingengine.com2015-08-31 β†’ 2026-03-14 Β· 2 obs
● 2015-08-31 00:03:32
● 2026-03-14 14:40:10
●A103.168.172.652026-02-15 β†’ 2026-03-14 Β· 3 obs
β—‹ 2018-05-09 17:39:14
● 2026-02-15 00:12:42
● 2026-03-14 14:40:10
β—‹A66.111.4.792015-08-31 β†’ 2018-05-09 Β· 4 obs
● 2015-08-31 00:03:32
● 2018-05-09 17:39:14
β—‹ 2026-02-15 00:12:42
β—‹ 2026-03-14 14:40:10

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
postpro.netfmns1.messagingengine.com, fmns2.messagingengine.com-

βœ… Authoritative Response

Server: 162.159.24.253

NS records: fmns1.messagingengine.com, fmns2.messagingengine.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postpro.net (unsigned zone)

⏱️ Timing

Total: 507ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1103.168.172.65
NS2fmns1.messagingengine.com, fmns2.messagingengine.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com ~
SOA1fmns1.messagingengine.com postmaster.mes

Analysis

Hierarchy

The parent of www.postpro.net is postpro.net.

IP Addresses

postpro.net points to an IP address: 103.168.172.65.

other host names include mail.jessereynolds.com, penguinmail.com, mail.nickg.me.uk, mail.playjazzsingjazz.com and mailftp.com; they share IP numbers with postpro.net.

Name Servers

Two name servers fmns1.messagingengine.com and fmns2.messagingengine.com handle the delegation for postpro.net.

postpro.net shares the same name server setup as other domains, for instance onepost.net, internet-mail.org, 126.123.147.64.in-addr.arpa, promessage.com and 16mail.com.

postpro.net at least partially shares name servers with other domains, for instance 123.147.64.in-addr.arpa, 4.111.66.in-addr.arpa, 252.123.147.64.in-addr.arpa, tm20.com and your-mail.com.

These name servers are commonly used with auth1.ns.nyi.net, auth1.ewr.ns.nyi.net, auth1.lax.ns.nyi.net, auth1.lga.ns.nyi.net and auth1.sea.ns.nyi.net.

Host names with one IP:

fmns1.messagingengine.com points to: 162.159.24.253

fmns2.messagingengine.com points to: 162.159.25.114

Mail Servers

postpro.net is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

postpro.net uses the same mail server setup as other domains, for instance sketchtel.ca, everynothing.com, woenet.com, iflux.dk and quintonpetty.com.

postpro.net shares at least some mail servers with other domains, for instance mtcr.us.

Eight IP numbers for host names:

in1-smtp.messagingengine.com points to: 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Four IP numbers for host names:

in2-smtp.messagingengine.com points to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.