categoryalpha.com - dns.ninja

categoryalpha.com

DNSSEC⚠️ Not signed
A103.168.172.37🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRwww.messagingengine.com
A103.168.172.52🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
NSns1.messagingengine.com
A162.159.24.178Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.messagingengine.com
NSns2.messagingengine.com
A162.159.25.191Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.messagingengine.com
MXin1-smtp.messagingengine.com
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 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
SOAns1.messagingengine.compostmaster@messagingengine.com 2026-06-04 #0

com

Same first word

DNS History

8 records (6 active, 2 former)

202120222023202420252026NSns1.messagingengine.comns2.messagingengine.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA103.168.172.37103.168.172.5266.111.4.5366.111.4.54
NSns1.messagingengine.com2020-01-24 → 2026-06-15 · 2 obs
● 2020-01-24 17:21:16
● 2026-06-15 16:14:08
NSns2.messagingengine.com2020-01-24 → 2026-06-15 · 2 obs
● 2020-01-24 17:21:16
● 2026-06-15 16:14:08
MXin1-smtp.messagingengine.com2020-01-24 → 2026-06-15 · 2 obs
● 2020-01-24 17:21:16
● 2026-06-15 16:14:08
MXin2-smtp.messagingengine.com2020-01-24 → 2026-06-15 · 2 obs
● 2020-01-24 17:21:16
● 2026-06-15 16:14:08
A103.168.172.372026-03-25 → 2026-06-15 · 3 obs
○ 2020-01-24 17:21:16
● 2026-03-25 19:14:40
● 2026-06-15 16:14:08
A103.168.172.522026-03-25 → 2026-06-15 · 3 obs
○ 2020-01-24 17:21:16
● 2026-03-25 19:14:40
● 2026-06-15 16:14:08
A66.111.4.532020-01-24 → 2020-01-24 · 3 obs
● 2020-01-24 17:21:16
○ 2026-03-25 19:14:40
○ 2026-06-15 16:14:08
A66.111.4.542020-01-24 → 2020-01-24 · 3 obs
● 2020-01-24 17:21:16
○ 2026-03-25 19:14:40
○ 2026-06-15 16:14:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...-
categoryalpha.comns1.messagingengine.com, ns2.messagingengine.com2 records

✅ Authoritative Response

Server:162.159.24.178

NS records: ns1.messagingengine.com, ns2.messagingengine.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for categoryalpha.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

TypeCountSample Data
A2103.168.172.37, 103.168.172.52
NS2ns1.messagingengine.com, ns2.messagingengine.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com ?
SOA1ns1.messagingengine.com postmaster.messa

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.messagingengine.com, ns2.messagingengine.com)

Analysis

IP Addresses

categoryalpha.com has two IP addresses: 103.168.172.37 and 103.168.172.52

Additional host names — troutopia.net, mail.synk.net, pmf.es and two others — share IP numbers with categoryalpha.com.

Name Servers

categoryalpha.com has two authoritative name servers — ns1.messagingengine.com and ns2.messagingengine.com.

categoryalpha.com shares its name server setup with other domains, including itconvey.com, acentia.net, trappe.eu and two others.

At least some of categoryalpha.com's name servers are shared with other domains, for example fairgroundhire.co.uk and claremorrisbouncingcastles.com.

These name servers tend to be deployed in combination with the name servers ns1.bouncycastlenetwork.co.uk and ns2.bouncycastlenetwork.co.uk.

Each of ns1.messagingengine.com and ns2.messagingengine.com has one IP address: ns1.messagingengine.com uses 162.159.24.178 and ns2.messagingengine.com uses 162.159.25.191.

Mail Servers

categoryalpha.com has two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

categoryalpha.com shares the same mail server setup as other domains, including zhukoff.net, colo2.anapraxis.com, alternic.com and two others.

At least a portion of categoryalpha.com's mail servers are shared with other domains, among them big-tick.co.uk and carinyasharples.com.

Host names with 8 IP numbers:

in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Host names resolving to four IP addresses:

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