slack.com.de - robtex.com

slack.com.de

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 2026-04-16 #0

com.de

DNSSEC🔒 Signed (DS record present)
A54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix
NSns0.centralnic.net ⭐
NSns1.centralnic.net
NSns2.centralnic.net
NSns3.centralnic.net
NSns4.centralnic.net
MXmail.cash9.com ⭐
TXTv=spf1 include:googlemail.com ~all
SOAns0.centralnic.nethostmaster@centralnic.net serial=3000580932
rank #16046 globally
rank #474 in the tld
WOT: SAFE (36/100)
📈 Tranco rank: #25,945

Same first word

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slack.sk
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slack.llc
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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.com2026-04-19 → 2026-04-25 · 2 obs
● 2026-04-19 13:22:20
● 2026-04-25 21:01:26
●NSns2.messagingengine.com2026-04-19 → 2026-04-25 · 2 obs
● 2026-04-19 13:22:20
● 2026-04-25 21:01:26
●MXin1-smtp.messagingengine.com2026-04-19 → 2026-04-25 · 2 obs
● 2026-04-19 13:22:20
● 2026-04-25 21:01:26
●MXin2-smtp.messagingengine.com2026-04-19 → 2026-04-25 · 2 obs
● 2026-04-19 13:22:20
● 2026-04-25 21:01:26
●A103.168.172.372026-04-19 → 2026-04-25 · 2 obs
● 2026-04-19 13:22:20
● 2026-04-25 21:01:26
●A103.168.172.522026-04-19 → 2026-04-25 · 2 obs
● 2026-04-19 13:22:20
● 2026-04-25 21:01:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
com.dens2.centralnic.net, ns4.centralnic.net, ns1.centralnic.net, ns3.centralnic.net-
slack.com.dens2.messagingengine.com, ns1.messagingengine.com-

✅ Authoritative Response

Server:162.159.25.191

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for slack.com.de (unsigned zone)

⏱️ Timing

Total: 1580ms | 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

Analysis

IP Addresses

Two IP numbers are pointed to by slack.com.de: 103.168.172.37 and 103.168.172.52.

other host names include usaemailbox.com, puzlo.com, ssobuddy.com, mermaidedelina.com and tjh.fi; they share IP numbers with slack.com.de.

Name Servers

Two name servers ns1.messagingengine.com and ns2.messagingengine.com handle the delegation for slack.com.de.

slack.com.de shares the same name server setup as other domains, for instance aeq.cc, toub.info, donncha.com, ongevraagdadvies.nl and ochagavia.nl.

slack.com.de at least partially shares name servers with other domains, such as swishy.co.uk, thetrainquest.com and theinflatablesmk.co.uk.

These name servers are commonly used with ns1.bouncycastlenetwork.co.uk and ns2.bouncycastlenetwork.co.uk.

Host names with one IP:

ns1.messagingengine.com points to: 162.159.24.178

ns2.messagingengine.com points to: 162.159.25.191

Mail Servers

slack.com.de is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

slack.com.de uses the same mail server setup as other domains, for instance photoephemeris.com, magoo.at, oneprovider.vehlewald.eu, schnya.com and rolfvandekrol.nl.

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.