cosc.edu - robtex.com
cosc.edu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cen.ct.gov ⚠️ Not in zone NS records | ||||||
| A | 2607:f460:0:1::9🇺🇸 CEN-AS2607:f460::/32 "Connecticut Education Network" | ||||||
| PTR | ns1.cen.ct.gov | ||||||
| A | 67.218.95.9🇺🇸 CEN-AS67.218.88.0/21 Connecticut Education Network 55 Farmington Ave 6th Floor Hartford, CT 06105 US | ||||||
| PTR | cendns1.cen.ct.gov | ||||||
| PTR | ns1.cen.ct.gov | ||||||
| PTR | ntp1.cen.ct.gov | ||||||
| NS | ns2.cen.ct.gov ⚠️ Not in zone NS records | ||||||
| A | 2607:f460:0:2::9🇺🇸 CEN-AS2607:f460::/32 "Connecticut Education Network" | ||||||
| PTR | ns2.cen.ct.gov | ||||||
| A | 207.210.151.9🇺🇸 CEN-AS207.210.144.0/21 | ||||||
| PTR | cendns2.cen.ct.gov | ||||||
| PTR | ns2.cen.ct.gov | ||||||
| PTR | ntp2.cen.ct.gov | ||||||
edu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.edu-servers.net ⭐ | ||||||
| NS | b.edu-servers.net | ||||||
| NS | c.edu-servers.net | ||||||
| NS | d.edu-servers.net | ||||||
| NS | e.edu-servers.net | ||||||
| NS | f.edu-servers.net | ||||||
| NS | g.edu-servers.net | ||||||
| NS | h.edu-servers.net | ||||||
| NS | i.edu-servers.net | ||||||
| NS | j.edu-servers.net | ||||||
| NS | k.edu-servers.net | ||||||
| NS | l.edu-servers.net | ||||||
| NS | m.edu-servers.net | ||||||
| SOA | a.edu-servers.netnstld@verisign-grs.com serial=1784706682 | ||||||
Same first word
cosc.ch |
cosc.edu |
cosc.eu |
cosc.de |
cosc.com |
cosc.ru |
cosc.cn |
cosc.jp |
cosc.org |
cosc.esp.br |
cosc.k12.co.us |
cosc.cz |
cosc.nl |
cosc.co.kr |
cosc.ie |
cosc.pt |
cosc.com.cn |
cosc.net |
cosc.swiss |
cosc.co.uk |
Similar names
DNS History
4 records (2 active, 2 former)
●NSns1.cen.ct.gov2015-05-29 → 2026-07-22 · 2 obs
● 2026-07-22 07:54:32
●NSns2.cen.ct.gov2015-05-29 → 2026-07-22 · 2 obs
● 2026-07-22 07:54:32
○MXcosc-edu.mail.eo.outlook.com2015-05-29 → 2017-09-22 · 4 obs
● 2017-09-22 00:06:02
○ 2026-04-10 05:24:42
○ 2026-07-22 07:54:32
○A74.123.180.422015-05-29 → 2017-09-22 · 4 obs
● 2017-09-22 00:06:02
○ 2026-04-10 05:24:42
○ 2026-07-22 07:54:32
🔍 DNS Trace
Analysis
Name Servers
Two name servers handle the delegation for cosc.edu: ns1.cen.ct.gov and ns2.cen.ct.gov.
cosc.edu uses the same name servers as several other domains — among them fairfieldpubliclibrary.org, 193-222.48.251.64.in-addr.arpa, 48.251.64.in-addr.arpa and two more.
At least some of cosc.edu's name servers are shared with other domains, for example mcc.commnet.edu, net.cen.ct.gov, westportsummerschool.com and two more.
These name servers tend to co-occur with cendns1.cen.ct.gov, cendns2.cen.ct.gov, ns1.wcsu.edu and 3 other name servers in the same DNS delegations.
ns1.cen.ct.gov and ns2.cen.ct.gov both carry two IP addresses. The A records for ns1.cen.ct.gov are 67.218.95.9 and 2607:f460:0:1::9; the A records for ns2.cen.ct.gov are 207.210.151.9 and 2607:f460:0:2::9.