constant.lu - dns.ninja

constant.lu

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

lu

DNSSEC🔒 Signed (DS record present)
NS1.ns.lu
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
NSr.ns.lu
TXTExported: 2026-07-01 19:01:01
SOA1.ns.lunoc@restena.lu serial=1782925272

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSns1.messagingengine.comns2.messagingengine.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA103.168.172.37103.168.172.52
NSns1.messagingengine.com2026-02-23 → 2026-07-01 · 2 obs
● 2026-02-23 07:39:40
● 2026-07-01 17:57:22
NSns2.messagingengine.com2026-02-23 → 2026-07-01 · 2 obs
● 2026-02-23 07:39:40
● 2026-07-01 17:57:22
MXin1-smtp.messagingengine.com2026-02-23 → 2026-07-01 · 2 obs
● 2026-02-23 07:39:40
● 2026-07-01 17:57:22
MXin2-smtp.messagingengine.com2026-02-23 → 2026-07-01 · 2 obs
● 2026-02-23 07:39:40
● 2026-07-01 17:57:22
A103.168.172.372026-02-23 → 2026-07-01 · 2 obs
● 2026-02-23 07:39:40
● 2026-07-01 17:57:22
A103.168.172.522026-02-23 → 2026-07-01 · 2 obs
● 2026-02-23 07:39:40
● 2026-07-01 17:57:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lu1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...14 records
constant.luns1.messagingengine.com, ns2.messagingengine.com-

✅ Authoritative Response

Server:162.159.25.191

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at constant.lu: Error: DNS query timeout: 158.64.229.18 for DS constant.lu

⏱️ Timing

Total: 3867ms | 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: 14

In-bailiwick: 14 (1.ns.lu, 1.ns.lu, g.dns.lu...)

Analysis

IP Addresses

constant.lu resolves to the IP addresses 103.168.172.37 and 103.168.172.52

Additional host names — ns1.viennan.net, kellenholt.com, netmonetize.com and two others — share IP numbers with constant.lu.

Name Servers

Two name servers handle the delegation for constant.lu: ns1.messagingengine.com and ns2.messagingengine.com.

constant.lu shares its name server setup with other domains, including doucet.us, conversioncomp.co.nz, bluedino.net and two others.

The name servers for constant.lu are at least partly shared with other domains such as lemons-bend.com, jltnet.com, betterbouncecastlehire.co.uk and whizzzbang.co.uk.

These name servers are frequently paired with the name servers ns1.rightbox.com, ns2.rightbox.com, ns3.rightbox.com and two others.

ns1.messagingengine.com directs to 162.159.24.178 and ns2.messagingengine.com directs to 162.159.25.191; each host name points to exactly one IP number.

Mail Servers

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

constant.lu shares the same mail server setup as other domains, including theideaofcoffee.com, vinke.ch, hopscotch.ca and two others.

Host names with 8 IP numbers:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Host names resolving to four IP addresses:

in2-smtp.messagingengine.com has four IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.