mailround.site - robtex.com

mailround.site

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

site

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1775134149

Same first word

mailround.site
mailround.com

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DNS History

3 records (3 active, 0 former)

NSns1.cisco.comns2.cisco.comns3.cisco.com
●NSns1.cisco.com2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 13:51:24
● 2026-04-02 13:03:56
●NSns2.cisco.com2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 13:51:24
● 2026-04-02 13:03:56
●NSns3.cisco.com2026-03-31 → 2026-04-02 · 2 obs
● 2026-03-31 13:51:24
● 2026-04-02 13:03:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sitens01.trs-dns.com, ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net-
mailround.sitens1.cisco.com, ns2.cisco.com, ns3.cisco.com-

✅ 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 mailround.site (unsigned zone)

⏱️ Timing

Total: 250ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

mailround.site is delegated to three name servers: ns1.cisco.com, ns2.cisco.com and ns3.cisco.com.

mailround.site partially shares name servers with other domains; examples include coreoptics.net, ciscosecurex.info, cisco-fr.com, riverheadnetworks.com and webswitchpioneer.com.

Host names with two IP numbers:

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.