ios.help - robtex.com

ios.help

DNSSEC⚠️ Not signed
NSns1.cisco.com ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
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

help

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.nic.help
NSb.nic.help
NSc.nic.help
NSd.nic.help
SOAns0.centralnic.nethostmaster@centralnic.net serial=1775059722

Same first word

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ios.lt
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ios.org.il
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ios.best
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ios.help
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ios.school
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ios.gr
ios.info
ios.eng.br
ios.com
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ios.im
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ios.net.au
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ios.com.br
ios.edu.pl
ios.ru
ios.blog
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ios.wiki
ios.me
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ios.org.uk
ios.gov.pl
ios.com.gr
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ios.dk
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ios.ie
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ios.technology
ios.com.tr
ios.tv
ios.be
ios.org
ios.uk.com
ios.at
ios.run
ios.in
ios.us
ios.se
ios.s3-website.us-east-2.amazonaws.com
ios.biz
ios.co.il
ios.org.br
ios.app
ios.kz
ios.work
ios.org.vn
ios.de

Similar names

sio.or.jp
iso.us
soi.com.co
iso.im
sio.xen.prgmr.com
sio.nl
sio.mx
iso.org.tr
sio.net.cn
iso.no
sio.info
osi.vn
iso.uk.net
soi.info
sio.gov.bh
osi.net
iso.ie
osi.com.ph
sio.bh
sio.co
osi.fr
iso.cx
iso.cat
ois.co.uk
iso.co.jp
iso.com.co
osi.io
osi.in
sio.ne.jp
ois.tech
osi.uz
sio.ca
iso.es
soi.com.vn
soi.nl
iso.dyndns.tv
osi.ie
soi.mobi
osi.com.pl
soi.blue
soi.vn
ois.com.sg
iso.is
osi.co.il
osi.cc
ois.capital
ois.kasserver.com
osi.nyc
sio.gr
sio.net
iso.my
ois.co.at
iso.org.in
osi.systems
iso.za.com
soi.agency
iso.mobi
iso.at
osi.nu
iso.uz
osi.am
iso.com
iso.ru
sio.cl
iso.co.id
soi.org.il
soi.com.cn
sio.gov.pl
iso.ec
iso.ladesk.com
sio.life
soi.ee
soi.ru
soi.cz
soi.org
osi.us
ois.io
soi.ie
ois.pl
sio.tools
ois.net.au

DNS History

3 records (3 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.com
●NSns1.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 14:08:38
● 2026-04-01 16:35:14
●NSns2.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 14:08:38
● 2026-04-01 16:35:14
●NSns3.cisco.com2026-03-31 → 2026-04-01 · 2 obs
● 2026-03-31 14:08:38
● 2026-04-01 16:35:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
helpb.nic.help, d.nic.help, a.nic.help, c.nic.help8 records
ios.helpns2.cisco.com, ns3.cisco.com, ns1.cisco.com-

✅ Authoritative Response

Server:173.37.146.41

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ios.help (unsigned zone)

⏱️ Timing

Total: 663ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.nic.help, c.nic.help, b.nic.help...)

Analysis

Name Servers

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

ios.help at least partially shares name servers with other domains, for instance socialgoodplatform.net, ciscolearningnetwork.biz, connectnow.tv, ciscoliveberlin.com and thehumanetworkeffect.com.

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.