smtp.co-optx.com - robtex.com

smtp.co-optx.com

DNSSEC⚠️ Not signed
A104.247.81.99🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension
NSns1.parkingcrew.net ⭐ ⚠️ Not in parent delegation
A13.248.158.159🇺🇸 Amazon13.248.144.0/20
PTRa94f3aae71d6f0705.awsglobalaccelerator.com
NSns2.parkingcrew.net ⚠️ Not in parent delegation
A76.223.21.9🇺🇸 Amazon76.223.16.0/20
PTRa94f3aae71d6f0705.awsglobalaccelerator.com
MXmail.h-email.net ⭐
A5.75.171.74🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC
PTRmail.h-email.net
A5.161.98.212🇺🇸 HETZNER-CLOUD2-AS5.161.98.0/24
PTRmail.h-email.net
A5.161.194.135🇺🇸 HETZNER-CLOUD2-AS5.161.194.0/24
PTRstatic.135.194.161.5.clients.your-server.de
A49.13.4.90🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC
PTRstatic.90.4.13.49.clients.your-server.de
A91.107.214.206🇩🇪 Hetzner91.107.128.0/17 HETZNER-DC
PTRstatic.206.214.107.91.clients.your-server.de
A162.55.164.116🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC
PTRstatic.116.164.55.162.clients.your-server.de
A165.227.156.49🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean
PTRmail3.h-email.net
A165.227.159.144🇩🇪 DIGITALOCEAN165.227.144.0/20 DigitalOcean
PTRmail2.h-email.net
A167.235.143.33🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC
PTRmail.h-email.net
A178.62.199.248🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean
PTRmail.h-email.net
TXTv=spf1 ip6:fd1b:212c:a5f9::/48 -all
SOAns1.parkingcrew.nethostmaster@smtp.co-optx.com serial=1771952523

co-optx.com

DNSSEC⚠️ Not signed
A104.247.81.99🇨🇦 TEAMINTERNET-CA-AS104.247.80.0/22 Proxy Registration for Team Internet by Next Dimension
NSns1.parkingcrew.net ⭐
NSns2.parkingcrew.net
MXmail.h-email.net ⭐
TXTv=spf1 ip6:fd1b:212c:a5f9::/48 -all
SOAns1.parkingcrew.nethostmaster@co-optx.com serial=1771952523

PTR for

58.211.13.204.in-addr.arpa

Same first word

smtp.directory
smtp.j.layershift.co.uk
smtp.net.ua
smtp.hu
smtp.mail.pl
smtp.iki.fi
smtp.org.uk
smtp.at
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smtp.tv
smtp.vg
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smtp.co
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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.mircloud.host
smtp.demo.jelastic.com
smtp.gouv.km
smtp.hotmail
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smtp.be
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smtp.re
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smtp.ca
smtp.paas.datacenter.fi
smtp.fm
smtp.co.ke
smtp.lt
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smtp.de
smtp.services
smtp.live
smtp.fi
smtp.uk
smtp.or.tz
smtp.cloudaccess.net
smtp.cat
smtp.az
smtp.dev
smtp.unicloud.pl
smtp.paas.massivegrid.com
smtp.mil.tw
smtp.it
smtp.solutions
smtp.gouv.ml
smtp.pythonanywhere.com
smtp.li
smtp.ru
smtp.se
smtp.co.za
smtp.mydns.jp
smtp.gc.ca
smtp.me
smtp.fi.it
smtp.rs.gov.br
smtp.gov.ru
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.im
smtp.jelastic.dogado.eu
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smtp.mk
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smtp.eu
smtp.fail
smtp.bz
smtp.ro
smtp.pl
smtp.goog
smtp.news
smtp.j.scaleforce.net
smtp.lv
smtp.fr
smtp.store
smtp.gratis
smtp.co.at
smtp.gov.ps
smtp.gouv.sn
smtp.gov.rs
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
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smtp.(0x787878)
smtp.co.nz
smtp.kz
smtp.com.tr
smtp.jcloud.kz
smtp.sp.gov.br
smtp.net.ru
smtp.edu.ee

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026NSns1.parkingcrew.netns2.parkingcrew.netMXmail.h-email.netA104.247.81.99204.13.211.58
●NSns1.parkingcrew.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 08:31:08
● 2026-04-14 08:31:10
●NSns2.parkingcrew.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 08:31:08
● 2026-04-14 08:31:10
●MXmail.h-email.net2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 08:31:08
● 2026-04-14 08:31:10
●A104.247.81.992026-04-14 → 2026-04-14 · 3 obs
○ 2017-08-24 07:37:16
● 2026-04-14 08:31:08
● 2026-04-14 08:31:10
○A204.13.211.582017-08-24 → 2017-08-24 · 3 obs
● 2017-08-24 07:37:16
○ 2026-04-14 08:31:08
○ 2026-04-14 08:31:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
co-optx.comns1.parkingcrew.net, ns2.parkingcrew.net-

✅ Authoritative Response

Server:13.248.158.159

NS records: ns1.parkingcrew.net, ns2.parkingcrew.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for co-optx.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

TypeCountSample Data
A1104.247.81.99
NS2ns1.parkingcrew.net, ns2.parkingcrew.net
MX1mail.h-email.net (pri: 5)
TXT1v=spf1 ip6:fd1b:212c:a5f9::/48 -all
SOA1ns1.parkingcrew.net hostmaster.smtp.co-o

Analysis

IP Addresses

smtp.co-optx.com resolves to one IP number: 104.247.81.99.

other host names including 202-0-58-38.cable.telstraclear.net, raymondpesg581470.hazblog.com, fotostudioberlin.de, bingge.html.pl and ovicar.com share IP numbers with smtp.co-optx.com.

Name Servers

smtp.co-optx.com is delegated to two name servers ns1.parkingcrew.net and ns2.parkingcrew.net.

smtp.co-optx.com shares the same name server setup as other domains, for instance mirabi.com, paidok.com, www.atpedia.jp, carservicecoupons.com and bjorg.it.

smtp.co-optx.com at least partially shares name servers with other domains, for instance static-249.150.96.14-tataidc.co.in, static-0.213.96.14-tataidc.co.in, xpm.in, static-46.56.97.14-tataidc.co.in and static-0.212.98.14-tataidc.co.in.

these name servers are commonly used alongside verification-gtqfjejeoke9r3uonbsh8e.ns101.verify.hn.

Host names with one IP number:

ns1.parkingcrew.net points to 13.248.158.159

ns2.parkingcrew.net points to 76.223.21.9

Mail Servers

smtp.co-optx.com is handled by a single mail server, mail.h-email.net.

smtp.co-optx.com shares the same mail server setup as other domains, for instance cincweaxis.com, imflip.com, www.gynaekologie.net, soob.me and prediksi-togel-singapure-online.blogspot.com.de.

mail.h-email.net points to ten IP numbers: 5.75.171.74, 5.161.98.212, 5.161.194.135, 49.13.4.90, 91.107.214.206, 162.55.164.116, 165.227.156.49, 165.227.159.144, 167.235.143.33 and 178.62.199.248.