mail.srdenterprises.com - robtex.com

mail.srdenterprises.com

CNAMEsecure.emailsrvr.com
DNSSEC⚠️ Not signed
A173.203.187.10🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229
PTRsecure.emailsrvr.com
NSpdns219.ultradns.com ⭐ ⚠️ Not in parent delegation
A2001:502:f3ff::ff🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns219.ultradns.com
A156.154.64.219🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns219.ultradns.com
NSns.rackspace.com ⚠️ Not in parent delegation
A69.20.95.4🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
PTRns.rackspace.com
NSns2.rackspace.com ⚠️ Not in parent delegation
A65.61.188.4🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
PTRns2.rackspace.com
NSpdns219.ultradns.biz ⚠️ Not in parent delegation
A2610:a1:1015::ff🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns219.ultradns.biz
A156.154.66.219🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns219.ultradns.biz
NSpdns219.ultradns.net ⚠️ Not in parent delegation
A2610:a1:1014::ff🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns219.ultradns.net
A156.154.65.219🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns219.ultradns.net
NSpdns219.ultradns.org ⚠️ Not in parent delegation
A2001:502:4612::ff🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns219.ultradns.org
A156.154.67.219🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns219.ultradns.org
SOApdns219.ultradns.compostmaster@emailsrvr.com 2016-06-20 #87

srdenterprises.com

DNSSEC⚠️ Not signed
A198.50.100.42🇨🇦 AS32613198.50.96.0/19 iWeb Technologies Inc.
NSpdns05.domaincontrol.com ⭐
NSpdns06.domaincontrol.com
MXmx1.emailsrvr.com ⭐
MXmx2.emailsrvr.com(20)
TXTv=spf1 include:emailsrvr.com ~all
SOApdns05.domaincontrol.comdomains@webxcentrics.com 2026-01-21 #0

Same first word

mail.mu
mail.nflfan.org
mail.bayern
mail.dnsalias.com
mail.com.tr
mail.ai
mail.my.id
mail.org.ru
mail.re
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mail.perspecta.cloud
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mail.dvrcam.info
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mail.pn
mail.panel.dev
mail.gov.il
mail.ie
mail.co.cr
mail.pa
mail.schaeffler
mail.gov.to
mail.berlin
mail.dynns.com
mail.go.id
mail.tl
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mail.com.ps
mail.(0x6c6f6c697461)punk.jp
mail.sc
mail.gov.ie
mail.company
mail.gov.mn
mail.priv.pl
mail.mw
mail.gov.na
mail.co.nz
mail.sdscloud.pl
mail.az
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mail.tr
mail.tt
mail.media
mail.vinnica.ua
mail.readymade.jp
mail.raindrop.jp
mail.tj
mail.mydissent.net
mail.spdns.org
mail.lk
mail.fish
mail.pp.ua
mail.fun
mail.no-ip.net
mail.mn
mail.mydns.bz
mail.fem.jp

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mail.ht
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mali.com.tr
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aiml.ch
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liam.pe.kr
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ilma.nl
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DNS History

13 records (1 active, 12 former)

20162017201820192020202120222023202420252026NSns1.p256.dynect.netns2.p256.dynect.netns3.p256.dynect.netns4.p256.dynect.netpdns219.ultradns.bizpdns219.ultradns.compdns219.ultradns.netpdns219.ultradns.orgMXmailcleaner.mfx.comA166.78.79.129173.203.187.1074.221.69.3CNAMEsecure.emailsrvr.com
○NSns1.p256.dynect.net2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○NSns2.p256.dynect.net2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○NSns3.p256.dynect.net2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○NSns4.p256.dynect.net2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○NSpdns219.ultradns.biz2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○NSpdns219.ultradns.com2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○NSpdns219.ultradns.net2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○NSpdns219.ultradns.org2016-07-12 → 2016-07-12 · 3 obs
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○MXmailcleaner.mfx.com2015-08-20 → 2015-12-06 · 4 obs
● 2015-08-20 23:20:14
● 2015-12-06 16:15:34
○ 2016-03-17 08:15:20
○ 2026-05-12 04:49:10
○A166.78.79.1292016-07-12 → 2016-07-12 · 4 obs
○ 2016-03-17 08:15:20
● 2016-07-12 07:56:38
○ 2026-05-12 04:49:08
○ 2026-05-12 04:49:10
○A173.203.187.102016-03-17 → 2016-03-17 · 4 obs
○ 2015-12-06 16:15:34
● 2016-03-17 08:15:20
○ 2016-07-12 07:56:38
○ 2026-05-12 04:49:10
○A74.221.69.32015-08-20 → 2015-12-06 · 4 obs
● 2015-08-20 23:20:14
● 2015-12-06 16:15:34
○ 2016-03-17 08:15:20
○ 2026-05-12 04:49:10
●CNAMEsecure.emailsrvr.com2016-03-17 → 2026-05-12 · 2 obs
● 2016-03-17 08:15:20
● 2026-05-12 04:49:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...-
srdenterprises.compdns05.domaincontrol.com, pdns06.domaincontrol.com4 records

✅ Authoritative Response

Server:97.74.110.52

NS records: pdns05.domaincontrol.com, pdns06.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for srdenterprises.com (unsigned zone)

⏱️ Timing

Total: 129ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1secure.emailsrvr.com

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns05.domaincontrol.com, pdns05.domaincontrol.com, pdns06.domaincontrol.com...)

Analysis

IP Addresses

mail.srdenterprises.com points to a single IP address: 173.203.187.10.

Other host names such as mail.rastrac.com, pop.emailsrvr.com, imap.emailsrvr.com, mail.mystockoptions.com and secure.emailsrvr.com share IP numbers with mail.srdenterprises.com.

Name Servers

mail.srdenterprises.com is delegated to six name servers: pdns219.ultradns.biz, ns2.rackspace.com, ns.rackspace.com, pdns219.ultradns.com, pdns219.ultradns.net and pdns219.ultradns.org.

At least part of the name servers for mail.srdenterprises.com are shared with other domains, for instance 122.188.37.in-addr.arpa, rosedalevisioncenter.com, bilasolan.fo, rpinternal.net and reviewsupernova.com.

These name servers are commonly used alongside dns1.stabletransit.com and dns2.stabletransit.com.

Hosts with two IPs:

pdns219.ultradns.biz points to 2610:a1:1015::ff and 156.154.66.219

pdns219.ultradns.com points to 2001:502:f3ff::ff and 156.154.64.219

pdns219.ultradns.net points to 2610:a1:1014::ff and 156.154.65.219

pdns219.ultradns.org points to 2001:502:4612::ff and 156.154.67.219

Hosts with one IP:

ns2.rackspace.com points to 65.61.188.4

ns.rackspace.com points to 69.20.95.4