smtp.slabs.com - robtex.com

smtp.slabs.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2955🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:a343🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.85Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.163.67🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.85, 172.67.163.67
IPv6 hints2606:4700:3031::6815:2955, 2606:4700:3032::ac43:a343
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com

slabs.com

DNSSEC⚠️ Not signed
NSgerardo.ns.cloudflare.com ⭐
NSisabel.ns.cloudflare.com
MXslabs-com.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com ip4:12.21.228.0/24 -all
SOAgerardo.ns.cloudflare.comdns@cloudflare.com serial=2410361220

Previously MX for

slabs.com

Same first word

smtp.news
smtp.j.scaleforce.net
smtp.lv
smtp.fr
smtp.store
smtp.gratis
smtp.co.at
smtp.bot
smtp.gouv.sn
smtp.gov.rs
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smtp.in-berlin.de
smtp.appengine.flow.ch
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smtp.(0x787878)
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smtp.kz
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smtp.edu.ee
smtp.j.layershift.co.uk
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smtp.sk
smtp.co.hu
smtp.ws
smtp.uni5.net
smtp.jc.neen.it
smtp.vn
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smtp.demo.jelastic.com
smtp.gouv.km
smtp.hotmail
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smtp.cloudaccess.net
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smtp.unicloud.pl
smtp.paas.massivegrid.com
smtp.mil.tw
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smtp.pythonanywhere.com
smtp.ru
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smtp.mydns.jp
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smtp.me
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smtp.pb.gov.br
smtp.gov.ru
smtp.business
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smtp.jelastic.saveincloud.net
smtp.in
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smtp.to.gov.br
smtp.com.br
smtp.fun
smtp.pt
smtp.myshopify.com
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smtp.jelastic.dogado.eu
smtp.cl
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DNS History

7 records (4 active, 3 former)

2017201820192020202120222023202420252026A104.21.41.85172.67.163.672606:4700:3031::6815:29552606:4700:3032::ac43:a34312.21.228.1092606:4700:3030::ac43:a3432606:4700:3034::6815:2955
●A104.21.41.852026-02-27 → 2026-07-31 · 3 obs
○ 2016-12-27 21:04:24
● 2026-02-27 22:48:40
● 2026-07-31 09:48:40
○A12.21.228.1092016-02-23 → 2016-12-27 · 4 obs
● 2016-02-23 08:21:08
● 2016-12-27 21:04:24
○ 2026-02-27 22:48:40
○ 2026-07-31 09:48:40
●A172.67.163.672026-02-27 → 2026-07-31 · 3 obs
○ 2016-12-27 21:04:24
● 2026-02-27 22:48:40
● 2026-07-31 09:48:40
○A2606:4700:3030::ac43:a3432026-02-27 → 2026-02-27 · 4 obs
○ 2016-12-27 21:04:24
● 2026-02-27 22:48:40
○ 2026-07-31 07:12:54
○ 2026-07-31 09:48:40
●A2606:4700:3031::6815:29552026-07-31 → 2026-07-31 · 3 obs
○ 2026-02-27 22:48:40
● 2026-07-31 07:12:54
● 2026-07-31 09:48:40
●A2606:4700:3032::ac43:a3432026-07-31 → 2026-07-31 · 3 obs
○ 2026-02-27 22:48:40
● 2026-07-31 07:12:54
● 2026-07-31 09:48:40
○A2606:4700:3034::6815:29552026-02-27 → 2026-02-27 · 4 obs
○ 2016-12-27 21:04:24
● 2026-02-27 22:48:40
○ 2026-07-31 07:12:54
○ 2026-07-31 09:48:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...-
slabs.comisabel.ns.cloudflare.com, gerardo.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.230

NS records: isabel.ns.cloudflare.com, gerardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for slabs.com (unsigned zone)

⏱️ Timing

Total: 102ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.163.67, 104.21.41.85
AAAA22606:4700:3031::6815:2955, 2606:4700:3032::ac43:a343
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

smtp.slabs.com resolves to four IP addresses: 104.21.41.85, 172.67.163.67, 2606:4700:3031::6815:2955 and 2606:4700:3032::ac43:a343.

1xbet-psu44.top, www.htens.com, cpcontacts.p7consultoria.com plus two other host names have IP numbers in common with smtp.slabs.com.