sentryo.fr - robtex.com

sentryo.fr

DNSSEC⚠️ Not signed
A72.163.4.154🇺🇸 ASNTTCISCO72.163.4.0/24 170 West Tasman Drive San Jose CA 95134 United States
PTRredirect.cisco.com
NSns1.cisco.com ⭐
A2001:420:1101:6::a🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns1.cisco.com
A72.163.5.201🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States
PTRns1.cisco.com
NSns2.cisco.com
A2001:420:2041:5000::a🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States
PTRns2.cisco.com
A64.102.255.44🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States
PTRns2.cisco.com
NSns3.cisco.com
A2001:420:1201:7::a🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com
A173.37.146.41🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States
PTRns3.cisco.com
MXalln-mx-01.cisco.com ⭐
A2001:420:1201:6::ad25:93e6🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRalln-mx-01.cisco.com
A173.37.147.230🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States
PTRalln-mx-01.cisco.com
MXrcdn-mx-01.cisco.com(20)
A2001:420:1101:7::48a3:166🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States
PTRrcdn-mx-01.cisco.com
A72.163.7.166🇺🇸 ASNTTCISCO72.163.7.0/24 170 West Tasman Drive San Jose CA 95134 United States
PTRrcdn-mx-01.cisco.com
MXaer-mx-01.cisco.com(30)
A2001:420:4621::ad26:d496🇳🇱 ASNTTCISCO2001:420:4000::/36 170 West Tasman Drive San Jose CA 95134 United States
PTRaer-mx-01.cisco.com
A173.38.212.150🇳🇱 ASNTTCISCO173.38.128.0/17 170 West Tasman Drive San Jose CA 95134 United States
PTRaer-mx-01.cisco.com
TXTidentrust_validate=Wv8ezaf9MxnUbH3TlWHZtNrn0R5nJii6B67OsGUm+Shl
SOAns1.cisco.compostmaster@cisco.com serial=49

fr

DNSSEC🔒 Signed (DS record present)
NSa.nic.fr ⭐
NSd.nic.fr
NSf.ext.nic.fr
NSg.ext.nic.fr
TXT218 RRs processed [01/04/2026 07H40:50]
SOAa.nic.frdnsmaster@afnic.fr serial=2244707750

Same first word

sentryo.fr
sentryo.hk
sentryo.eu
sentryo.com
sentryo.de
sentryo.org
sentryo.net

Similar names

norteys.com
estrony.pl
yostern.com
enstory.com
sorteny.ad
nystore.us
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syronet.com
nystore.pk
tensory.com
enstory.cn
rystone.info
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torneys.com
rystone.org
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tysonre.com
strynoe.dk
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nestory.org
tyrones.shop
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snoetry.com
rosynet.com
synetro.net
strenyo.com
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ytensor.com
sorteny.com
nestory.com
rentoys.com
rystone.net
ystreno.com
nerosty.cz
ynestro.com
enstroy.com
steynor.co.uk
estrony.info
stonery.com
nestroy.net
tronesy.com
setrony.com
steynor.com
rentoys.in
seytron.de
syntero.org
torneys.ch

DNS History

7 records (7 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.comMXaer-mx-01.cisco.comalln-mx-01.cisco.comrcdn-mx-01.cisco.comA72.163.4.154
●NSns1.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 13:58:40
● 2026-04-01 07:50:02
●NSns2.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 13:58:40
● 2026-04-01 07:50:02
●NSns3.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 13:58:40
● 2026-04-01 07:50:02
●MXaer-mx-01.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 13:58:40
● 2026-04-01 07:50:02
●MXalln-mx-01.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 13:58:40
● 2026-04-01 07:50:02
●MXrcdn-mx-01.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 13:58:40
● 2026-04-01 07:50:02
●A72.163.4.1542026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 13:58:40
● 2026-04-01 07:50:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
frf.ext.nic.fr, d.nic.fr, g.ext.nic.fr-
sentryo.frns3.cisco.com, ns2.cisco.com, ns1.cisco.com-

✅ Authoritative Response

Server:173.37.146.41

NS records: ns3.cisco.com, ns2.cisco.com, ns1.cisco.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentryo.fr (unsigned zone)

⏱️ Timing

Total: 682ms | Queries: -

📄 Records

TypeCountSample Data
A172.163.4.154
NS3ns3.cisco.com, ns1.cisco.com...
MX3rcdn-mx-01.cisco.com (pri: 20), alln-mx-01.cisco.com (pri: 10)...
TXT1identrust_validate=Wv8ezaf9MxnUbH3TlWHZt
SOA1ns1.cisco.com postmaster.cisco.com

Analysis

IP Addresses

sentryo.fr points to a single IP number: 72.163.4.154.

Other host names, for instance cisco.fr, ciscocpn.com, cisco.info.fj, ciscosystems.al.it and ciscosystems.sd.cn share IP numbers with sentryo.fr.

Name Servers

The delegation for sentryo.fr is handled by three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

sentryo.fr at least partially shares name servers with other domains, for instance callmeetingplace.com, cityecomap.us, jabberv.ch, cisco.design and ciscodigitalcribs.org.

Two IP numbers per host:

ns1.cisco.com points to 2001:420:1101:6::a and 72.163.5.201.

ns2.cisco.com points to 2001:420:2041:5000::a and 64.102.255.44.

ns3.cisco.com points to 2001:420:1201:7::a and 173.37.146.41.

Mail Servers

sentryo.fr is handled by three mail servers: aer-mx-01.cisco.com, alln-mx-01.cisco.com and rcdn-mx-01.cisco.com.

sentryo.fr shares mail servers with other domains at least in part, for instance sypixx.com, cognitive-security.com, neopath-networks.com, mtghouse.com and acacia-inc.com.

These mail servers are often used together with mail1.dynamicsoft.com, rtp-mx-01.cisco.com, ams-mx-01.cisco.com, smtp2.easydns.com, smtp.easydns.com and smtp.protegonetworks.com.

Two IP numbers per host:

aer-mx-01.cisco.com points to 2001:420:4621::ad26:d496 and 173.38.212.150.

alln-mx-01.cisco.com points to 2001:420:1201:6::ad25:93e6 and 173.37.147.230.

rcdn-mx-01.cisco.com points to 2001:420:1101:7::48a3:166 and 72.163.7.166.