smtp.biwt.com - robtex.com

smtp.biwt.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d862🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:330c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.12Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.98🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.51.12, 172.67.216.98
IPv62606:4700:3030::ac43:d862, 2606:4700:3037::6815:330c

biwt.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d862🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:330c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.12Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.98🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfish.ns.cloudflare.com ⭐
NSgeorge.ns.cloudflare.com
MXbiwt.com.1.0001.arsmtp.com ⭐
MXbiwt.com.2.0001.arsmtp.com(20)
TXTMS=ms43802870
TXTppe-914674c6f84b3c684523
TXTv=spf1 include:spf.protection.outlook.com include:edgepilot.com ip4:50.233.22...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.51.12, 172.67.216.98
IPv62606:4700:3030::ac43:d862, 2606:4700:3037::6815:330c
SOAfish.ns.cloudflare.comdns@cloudflare.com serial=2398032466

PTR for

70.35.157.141.in-addr.arpa

Same first word

smtp.tj
smtp.tools
smtp.com
smtp.com.mx
smtp.sk
smtp.co.hu
smtp.ws
smtp.uni5.net
smtp.jc.neen.it
smtp.vn
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smtp.mircloud.host
smtp.demo.jelastic.com
smtp.gouv.km
smtp.hotmail
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smtp.mil.tw
smtp.it
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smtp.gc.ca
smtp.me
smtp.fi.it
smtp.rs.gov.br
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smtp.business
smtp.ooo
smtp.jelastic.saveincloud.net
smtp.in
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smtp.to.gov.br
smtp.com.br
smtp.fun
smtp.agency
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smtp.myshopify.com
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smtp.jelastic.dogado.eu
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smtp.cl
smtp.mk
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smtp.fail
smtp.bz
smtp.ro
smtp.pl
smtp.goog
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smtp.lv
smtp.fr
smtp.store
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smtp.gov.ps
smtp.gouv.sn
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smtp.eu.org
smtp.sc.gov.br
smtp.in-berlin.de
smtp.appengine.flow.ch
smtp.kinghost.net
smtp.org
smtp.es-1.axarnet.cloud
smtp.co.kr
smtp.(0x787878)
smtp.co.nz
smtp.kz
smtp.com.tr
smtp.jcloud.kz
smtp.sp.gov.br
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smtp.net.ru
smtp.edu.ee
smtp.directory
smtp.j.layershift.co.uk
smtp.net.ua
smtp.hu
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smtp.at
smtp.com.au
smtp.tv
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smtp.co
smtp.su
smtp.net

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pmst.com
tpms.by
ptsm.co.kr
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ptms.org.pl
tspm.de
ptsm.pl
mtps.nl
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sptm.co.uk
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tsmp.us
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mstp.com
spmt.be
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pmts.ru
tpsm.org
tspm.co.uk
pmts.dyndns.info
stpm.com.au
tpsm.fr
tspm.net
tspm.ch
stpm.com
pmts.nl
mpts.de
tmps.biz
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tmps.eu
tpms.zone
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tpms.me
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sptm.com.my
psmt.edu
tspm.com.tw
tpms.od.ua
stmp.sk
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mtsp.in
tmsp.io

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.51.12172.67.216.982606:4700:3030::ac43:d8622606:4700:3037::6815:330c141.157.35.70
●A104.21.51.122026-02-15 → 2026-03-26 · 3 obs
○ 2016-09-17 11:04:22
● 2026-02-15 09:34:50
● 2026-03-26 12:57:30
○A141.157.35.702015-06-19 → 2016-09-17 · 4 obs
● 2015-06-19 03:33:36
● 2016-09-17 11:04:22
○ 2026-02-15 09:34:50
○ 2026-03-26 12:57:30
●A172.67.216.982026-02-15 → 2026-03-26 · 3 obs
○ 2016-09-17 11:04:22
● 2026-02-15 09:34:50
● 2026-03-26 12:57:30
●A2606:4700:3030::ac43:d8622026-02-15 → 2026-03-26 · 3 obs
○ 2016-09-17 11:04:22
● 2026-02-15 09:34:50
● 2026-03-26 12:57:30
●A2606:4700:3037::6815:330c2026-02-15 → 2026-03-26 · 3 obs
○ 2016-09-17 11:04:22
● 2026-02-15 09:34:50
● 2026-03-26 12:57:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...-
biwt.comgeorge.ns.cloudflare.com, fish.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.167

NS records: george.ns.cloudflare.com, fish.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biwt.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.51.12, 172.67.216.98
AAAA22606:4700:3037::6815:330c, 2606:4700:3030::ac43:d862
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

smtp.biwt.com points to four IP numbers: 2606:4700:3030::ac43:d862, 2606:4700:3037::6815:330c, 104.21.51.12 and 172.67.216.98.

For instance, other host names yanbutoday.com, suggsfarm.com, onlinepajak.net, cvbvpn.net.ro and ankara-seo.com share IP numbers with smtp.biwt.com.