ciscosystems.tel - robtex.com

ciscosystems.tel

DNSSEC⚠️ Not signed
A195.253.75.114🇩🇪 KNIPP-AS195.253.64.0/18
PTRip114-75-253-195.knipp.de
NSns1.telnames.dns.nic.tel ⭐ ⚠️ Not in parent delegation
NSa0.cth.dns.nic.tel ⚠️ Not in zone NS records
A2a01:5b0:0:134::71🇩🇪 KNIPP-AS2a01:5b0::/32 DE-KNIPP
A195.253.75.113🇩🇪 KNIPP-AS195.253.64.0/18
PTRip113-75-253-195.knipp.de
NSd0.cth.dns.nic.tel ⚠️ Not in zone NS records
A2001:19f0:5c00:17d9:5400:4ff:fec4:15e1🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
A45.76.231.65🇺🇸 AS-VULTR45.76.224.0/21 Vultr Assigned Prefix
PTR45.76.231.65.vultrusercontent.com
NSn0.cth.dns.nic.tel ⚠️ Not in zone NS records
A2001:19f0:7001:21ce:5400:4ff:fec4:15f7🇯🇵 AS-VULTR2001:19f0:7000::/38 Vultr Assigned Prefix
A108.61.126.59🇯🇵 AS-VULTR108.61.126.0/23 Vultr Assigned Prefix
PTR108.61.126.59.vultrusercontent.com
NSns2.telnames.dns.nic.tel ⚠️ Not in parent delegation
A2001:19f0:5c00:17d9:5400:4ff:fec4:15e1🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
A45.76.231.65🇺🇸 AS-VULTR45.76.224.0/21 Vultr Assigned Prefix
PTR45.76.231.65.vultrusercontent.com
NSns3.telnames.dns.nic.tel ⚠️ Not in parent delegation
NSs0.cth.dns.nic.tel ⚠️ Not in zone NS records
A2a01:5b0:0:134::71🇩🇪 KNIPP-AS2a01:5b0::/32 DE-KNIPP
A195.253.75.113🇩🇪 KNIPP-AS195.253.64.0/18
PTRip113-75-253-195.knipp.de
NSt0.cth.dns.nic.tel ⚠️ Not in zone NS records
A2001:19f0:5c00:17d9:5400:4ff:fec4:15e1🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
A45.76.231.65🇺🇸 AS-VULTR45.76.224.0/21 Vultr Assigned Prefix
PTR45.76.231.65.vultrusercontent.com
TXT.tlb1100100
TXT.tsm15ddsCisco Technology, Inc.
TXT.tsm15pddx1color1color2color3color4css100-4-1psshmlhtl1ganlog0bkghttps://th-i...
TXT$9daf82caba302aed84b03$Cisco is the worldwide leader in IT and networking. We...
TXT.tlb1100102
TXT.tlb1100101
SOAns1.telnames.dns.nic.teltel-support@tango-rs.com serial=16

tel

DNSSEC🔒 Signed (DS record present)
NSanycast9.irondns.net ⭐
NSanycast10.irondns.net
NSanycast23.irondns.net
NSanycast24.irondns.net
SOAanycast9.irondns.netdnsmaster@irondns.net serial=2604021151

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DNS History

9 records (9 active, 0 former)

NSa0.cth.dns.nic.teld0.cth.dns.nic.teln0.cth.dns.nic.telns1.telnames.dns.nic.telns2.telnames.dns.nic.telns3.telnames.dns.nic.tels0.cth.dns.nic.telt0.cth.dns.nic.telA195.253.75.114
●NSa0.cth.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●NSd0.cth.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●NSn0.cth.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●NSns1.telnames.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●NSns2.telnames.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●NSns3.telnames.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●NSs0.cth.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●NSt0.cth.dns.nic.tel2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24
●A195.253.75.1142026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 14:04:30
● 2026-04-02 12:20:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
telanycast10.irondns.net, anycast24.irondns.net, anycast9.irondns.net, anycast23.irondns.net8 records
ciscosystems.teld0.cth.dns.nic.tel, n0.cth.dns.nic.tel, s0.cth.dns.nic.tel, a0.cth.dns.nic.tel...-

✅ Authoritative Response

Server:195.253.75.113

NS records: d0.cth.dns.nic.tel, n0.cth.dns.nic.tel, s0.cth.dns.nic.tel, a0.cth.dns.nic.tel, t0.cth.dns.nic.tel

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscosystems.tel (unsigned zone)

⏱️ Timing

Total: 1064ms | Queries: -

📄 Records

TypeCountSample Data
A1195.253.75.114
NS3ns3.telnames.dns.nic.tel, ns1.telnames.dns.nic.tel...
TXT6$9daf82caba302aed84b03$Cisco is the worl, .tlb1100102...
SOA1ns1.telnames.dns.nic.tel tel-support.tan

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (anycast24.irondns.net, anycast23.irondns.net, anycast10.irondns.net...)

Analysis

IP Addresses

ciscosystems.tel points to a single IP address: 195.253.75.114.

Other host names such as revit.tel, navitas.tel, fonic.tel, disney.tel and beer.tel share IPs with ciscosystems.tel.

Name Servers

ciscosystems.tel is delegated to eight name servers: a0.cth.dns.nic.tel, d0.cth.dns.nic.tel, n0.cth.dns.nic.tel, s0.cth.dns.nic.tel, t0.cth.dns.nic.tel, ns1.telnames.dns.nic.tel, ns2.telnames.dns.nic.tel and ns3.telnames.dns.nic.tel.

ciscosystems.tel at least partially shares name servers with other domains, for example osb.tel, 1800flowers.tel, easyjet.tel, greatplacetowork.tel and informatica.tel.

Host names with two IP numbers

The host name a0.cth.dns.nic.tel points to 2a01:5b0:0:134::71 and 195.253.75.113

The host name d0.cth.dns.nic.tel points to 2001:19f0:5c00:17d9:5400:4ff:fec4:15e1 and 45.76.231.65

The host name n0.cth.dns.nic.tel points to 2001:19f0:7001:21ce:5400:4ff:fec4:15f7 and 108.61.126.59

The host name s0.cth.dns.nic.tel points to 2a01:5b0:0:134::71 and 195.253.75.113

The host name t0.cth.dns.nic.tel points to 2001:19f0:5c00:17d9:5400:4ff:fec4:15e1 and 45.76.231.65

The host name ns2.telnames.dns.nic.tel points to 2001:19f0:5c00:17d9:5400:4ff:fec4:15e1 and 45.76.231.65

Host names that point to 2a01:5b0:0:134::71 are a0.cth.dns.nic.tel and s0.cth.dns.nic.tel

Host names that point to 195.253.75.113 are a0.cth.dns.nic.tel and s0.cth.dns.nic.tel

Host names that point to 2001:19f0:5c00:17d9:5400:4ff:fec4:15e1 are d0.cth.dns.nic.tel, t0.cth.dns.nic.tel and ns2.telnames.dns.nic.tel

Host names that point to 45.76.231.65 are d0.cth.dns.nic.tel, t0.cth.dns.nic.tel and ns2.telnames.dns.nic.tel