contractubex.bg - robtex.com

contractubex.bg

DNSSEC⚠️ Not signed
A128.199.39.180🇳🇱 DIGITALOCEAN128.199.32.0/19 DigitalOcean
NSdns1.cscdns.net ⭐
A2610:a1:1022::100🇺🇸 MAINT-ID-120082610:a1:1022::/48 Neustar
PTRns1.arcemus.com
PTRkandns06.digitalarchives.com
PTRns1.euro909.com
PTRns2.euro909.com
PTRindom10.indomco.com
PTRindom30.indomco.fr
PTRns1.ascio.net
PTRns3.ascio.net
PTRdns1.cscdns.net
PTRpdns1.cscdns.net
PTRsbdns3.cscdns.net
PTRspdns3.cscdns.net
PTRns0.netnames.net
PTRns1.netnames.net
PTRns3.netnames.net
PTRns5.netnames.net
PTRns7.netnames.net
PTRindom130.indomco.org
PTRns2.domainnetwork.se
PTRns.domainnetwork.se
A156.154.130.100🇺🇸 MAINT-ID-12008156.154.130.0/24 Neustar
PTRns1.arcemus.com
PTRns5.bac.com
PTRkandns06.digitalarchives.com
PTRns1.euro909.com
PTRns2.euro909.com
PTRindom10.indomco.com
PTRg.ns-bac.com
PTRindom30.indomco.fr
PTRns1.ascio.net
PTRns3.ascio.net
PTRdns1.cscdns.net
PTRpdns1.cscdns.net
PTRsbdns3.cscdns.net
PTRspdns3.cscdns.net
PTRns0.netnames.net
PTRns1.netnames.net
PTRns3.netnames.net
PTRns5.netnames.net
PTRns7.netnames.net
PTRindom130.indomco.org
PTRns2.domainnetwork.se
PTRns.domainnetwork.se
NSdns2.cscdns.net
A2610:a1:1023::100🇺🇸 MAINT-ID-120082610:a1:1023::/48 Neustar
PTRns2.arcemus.com
PTRnusdns06.digitalarchives.com
PTRns3.domainnetwork.com
PTRns3.euro909.com
PTRindom80.indomco.hk
PTRns2.ascio.net
PTRns4.ascio.net
PTRdns2.cscdns.net
PTRpdns2.cscdns.net
PTRindom20.indomco.net
PTRns2.netnames.net
PTRns4.netnames.net
PTRns6.netnames.net
PTRns8.netnames.net
A156.154.131.100🇺🇸 MAINT-ID-12008156.154.131.0/24 Neustar
PTRns2.arcemus.com
PTRns9.bac.com
PTRnusdns06.digitalarchives.com
PTRns3.domainnetwork.com
PTRns3.euro909.com
PTRindom80.indomco.hk
PTRns2.ascio.net
PTRns4.ascio.net
PTRdns2.cscdns.net
PTRpdns2.cscdns.net
PTRindom20.indomco.net
PTRns2.netnames.net
PTRns4.netnames.net
PTRns6.netnames.net
PTRns8.netnames.net
PTRh.ns-bac.org
MXcontractubex.bg ⭐
A128.199.39.180🇳🇱 DIGITALOCEAN128.199.32.0/19 DigitalOcean
TXTv=spf1 +a +mx +ip4:91.215.216.103 +ip4:87.246.3.103 ~all
SOAdns1.cscdns.nethostmaster@cscdns.net 2019-12-09 #5

bg

DNSSEC🔒 Signed (DS record present)
NSa.nic.bg ⭐
NSb.nic.bg
NSc.nic.bg
NSd.nic.bg
NSe.nic.bg
NSp.nic.bg
SOAa.nic.bghostmaster@register.bg 2026-07-16 #4

MX for

contractubex.bg

Same first word

contractubex.pl
contractubex.ru
contractubex.com
contractubex.bg
contractubex.com.cn
contractubex.com.tr

DNS History

8 records (4 active, 4 former)

2017201820192020202120222023202420252026NSdns1.cscdns.netdns2.cscdns.netns37.bgdns.netns38.bgdns.netMXcontractubex.bgmail.host.bgA128.199.39.180193.107.36.100
●NSdns1.cscdns.net2026-04-10 → 2026-07-16 · 3 obs
○ 2016-12-10 10:47:54
● 2026-04-10 02:42:10
● 2026-07-16 06:37:42
●NSdns2.cscdns.net2026-04-10 → 2026-07-16 · 3 obs
○ 2016-12-10 10:47:54
● 2026-04-10 02:42:10
● 2026-07-16 06:37:42
○NSns37.bgdns.net2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 10:47:54
○ 2026-04-10 02:42:10
○ 2026-07-16 06:37:42
○NSns38.bgdns.net2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 10:47:54
○ 2026-04-10 02:42:10
○ 2026-07-16 06:37:42
●MXcontractubex.bg2026-04-10 → 2026-07-16 · 3 obs
○ 2016-12-10 10:47:54
● 2026-04-10 02:42:10
● 2026-07-16 06:37:42
○MXmail.host.bg2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 10:47:54
○ 2026-04-10 02:42:10
○ 2026-07-16 06:37:42
●A128.199.39.1802026-04-10 → 2026-07-16 · 3 obs
○ 2016-12-10 10:47:54
● 2026-04-10 02:42:10
● 2026-07-16 06:37:42
○A193.107.36.1002016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 10:47:54
○ 2026-04-10 02:42:10
○ 2026-07-16 06:37:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bgd.nic.bg, p.nic.bg, b.nic.bg, a.nic.bg...-
contractubex.bgdns2.cscdns.net, dns1.cscdns.net-

✅ Authoritative Response

Server:156.154.131.100

NS records: dns2.cscdns.net, dns1.cscdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractubex.bg (unsigned zone)

⏱️ Timing

Total: 863ms | Queries: -

📄 Records

TypeCountSample Data
A1128.199.39.180
NS2dns1.cscdns.net, dns2.cscdns.net
MX1contractubex.bg (pri: 0)
TXT1v=spf1 +a +mx +ip4:91.215.216.103 +ip4:8
SOA1dns1.cscdns.net hostmaster.cscdns.net

Analysis

Mail Server Role

The MX record for contractubex.bg points back to contractubex.bg — it is its own mail server.

IP Addresses

contractubex.bg directs to one IP number, which is 128.199.39.180.

Among the host names that share IP numbers with contractubex.bg are 4sr.org, dulcolax.bg, piersma.info and two others.

Name Servers

contractubex.bg uses two name servers for its delegation: dns1.cscdns.net and dns2.cscdns.net.

contractubex.bg has the same name server delegation as a number of other domains, such as verizonconnect.cz, vzwlabs-sc.com, disneyonbroadwayflexplusticket.com and two more.

At least some of contractubex.bg's name servers are shared with other domains, for example countrywidehomeloanoutlook.com, dematic.net.cn, countrywidehomelaoans.com and two more.

These name servers tend to co-occur with ns101.bac.com, ns102.bac.com, ns1.netnames.net and 3 other name servers in the same DNS delegations.

The two host names dns1.cscdns.net and dns2.cscdns.net each have a pair of IP addresses: dns1.cscdns.net has 156.154.130.100 and 2610:a1:1022::100, and dns2.cscdns.net has 156.154.131.100 and 2610:a1:1023::100.

Mail Servers

The MX record for contractubex.bg points to a single mail server: contractubex.bg.

contractubex.bg directs to just one IP number, 128.199.39.180.