ciscocebt.com - robtex.com
ciscocebt.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cisco.com ⭐ | ||||||
| A | 2001:420:1101:6::a🇺🇸 ASNTTCISCO2001:420:1100::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns1.cisco.com | ||||||
| A | 72.163.5.201🇺🇸 ASNTTCISCO72.163.0.0/18 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns1.cisco.com | ||||||
| NS | ns2.cisco.com | ||||||
| A | 2001:420:2041:5000::a🇺🇸 ASNTTCISCO2001:420:2000::/35 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns2.cisco.com | ||||||
| A | 64.102.255.44🇺🇸 ASNTTCISCO64.102.0.0/16 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns2.cisco.com | ||||||
| NS | ns3.cisco.com | ||||||
| A | 2001:420:1201:7::a🇺🇸 ASNTTCISCO2001:420:1200::/41 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns3.cisco.com | ||||||
| A | 173.37.146.41🇺🇸 ASNTTCISCO173.37.128.0/19 170 West Tasman Drive San Jose CA 95134 United States | ||||||
| PTR | ns3.cisco.com | ||||||
| MX | mail-inbound-a.ciscocebt.com ⭐ | ||||||
| A | 134.24.132.20🇺🇸 AS7018134.24.0.0/16 AT&T Enterprises, LLC | ||||||
| TXT | identrust_validate=Cmw5LGyJ07dnFLJgKzMse6DfCSDzarzV+RHRtocZepL4 | ||||||
| SOA | ns1.cisco.compostmaster@cisco.com serial=12 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775062982 | ||||||
Same first word
ciscocebt.com |
DNS History
6 records (4 active, 2 former)
○NSedns-aln1-1-l2017-06-20 → 2017-06-20 · 4 obs
● 2017-06-20 01:44:00
○ 2026-03-31 13:53:10
○ 2026-04-01 17:28:06
○NSedns-aln1-1-l.cisco.com2015-05-14 → 2016-09-11 · 4 obs
● 2016-09-11 17:38:18
○ 2017-06-20 01:44:00
○ 2026-04-01 17:28:06
●MXmail-inbound-a.ciscocebt.com2015-05-14 → 2026-04-01 · 2 obs
● 2026-04-01 17:28:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| ciscocebt.com | ns1.cisco.com, ns2.cisco.com, ns3.cisco.com | 6 records |
✅ Authoritative Response
Server:173.37.146.41
NS records: ns1.cisco.com, ns2.cisco.com, ns3.cisco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ciscocebt.com (unsigned zone)
⏱️ Timing
Total: 210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns3.cisco.com, ns1.cisco.com... |
| MX | 1 | mail-inbound-a.ciscocebt.com (pri: 10) |
| TXT | 1 | identrust_validate=Cmw5LGyJ07dnFLJgKzMse |
| SOA | 1 | ns1.cisco.com postmaster.cisco.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.cisco.com, ns1.cisco.com, ns2.cisco.com...)
Analysis
Name Servers
ciscocebt.com is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.
ciscocebt.com at least partially shares name servers with other domains, for instance layer7switching.com, altiga.com, xn--m8t158c.asia, aironet.info and ciscoironport.com.
Host names with two IP numbers:
Host ns1.cisco.com points to 2001:420:1101:6::a and 72.163.5.201.
Host ns2.cisco.com points to 2001:420:2041:5000::a and 64.102.255.44.
Host ns3.cisco.com points to 2001:420:1201:7::a and 173.37.146.41.
Mail Servers
ciscocebt.com is handled by a single mail server, mail-inbound-a.ciscocebt.com.
Host name mail-inbound-a.ciscocebt.com points to IP address 134.24.132.20.