coremath.com - dns.ninja
coremath.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.115.77.36🇺🇸 SWITCH-1216.115.77.0/24 Route for Downstream Customer Switch | ||||||
| PTR | switch.com | ||||||
| NS | ns1.switch.com ⭐ | ||||||
| A | 66.209.64.20🇺🇸 SWITCH-166.209.64.0/24 | ||||||
| PTR | ns1.switchnap.com | ||||||
| NS | ns2.switch.com | ||||||
| A | 66.209.64.21🇺🇸 SWITCH-166.209.64.0/24 | ||||||
| PTR | ns2.switchnap.com | ||||||
| SOA | ns1.switch.comhostmaster@switch.com 2017-01-03 #11 | ||||||
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=1782583635 | ||||||
Same first word
coremath.com |
Similar names
DNS History
6 records (3 active, 3 former)
○NSns1.searchabc.com2015-08-20 → 2015-12-07 · 4 obs
● 2015-12-07 01:53:30
○ 2020-04-01 05:44:44
○ 2026-06-27 18:08:32
●NSns1.switch.com2020-04-01 → 2026-06-27 · 3 obs
● 2020-04-01 05:44:44
● 2026-06-27 18:08:32
●NSns2.switch.com2020-04-01 → 2026-06-27 · 3 obs
● 2020-04-01 05:44:44
● 2026-06-27 18:08:32
○MXmail.coremath.com2015-08-20 → 2015-12-07 · 4 obs
● 2015-12-07 01:53:30
○ 2020-04-01 05:44:44
○ 2026-06-27 18:08:32
●A216.115.77.362020-04-01 → 2026-06-27 · 3 obs
● 2020-04-01 05:44:44
● 2026-06-27 18:08:32
○A64.74.172.1252015-08-20 → 2015-12-07 · 4 obs
● 2015-12-07 01:53:30
○ 2020-04-01 05:44:44
○ 2026-06-27 18:08:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| coremath.com | ns1.switch.com, ns2.switch.com | 2 records |
✅ Authoritative Response
Server:66.209.64.21
NS records: ns1.switch.com, ns2.switch.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coremath.com (unsigned zone)
⏱️ Timing
Total: 584ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.115.77.36 |
| NS | 2 | ns1.switch.com, ns2.switch.com |
| SOA | 1 | ns1.switch.com hostmaster.switch.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.switch.com, ns2.switch.com)
Analysis
IP Addresses
coremath.com has exactly one IP address — 216.115.77.36.
supernap.org, edgecores.com, coreconnected.net plus two other host names have IP numbers in common with coremath.com.
Name Servers
coremath.com has two authoritative name servers — ns1.switch.com and ns2.switch.com.
The name server configuration of coremath.com is shared with other domains, for instance 3.127.206.in-addr.arpa, 190.222.206.in-addr.arpa, adc2.datafoundry.com and two others.
There is at least partial name server overlap between coremath.com and other domains — 14.99.209.in-addr.arpa, 85.115.216.in-addr.arpa, 77.115.216.in-addr.arpa and two more among them.
These name servers regularly appear alongside dns1.datafoundry.com, dns2.datafoundry.com, ns1.switchnap.com and 4 other name servers in NS record sets.
ns1.switch.com → 66.209.64.20 and ns2.switch.com → 66.209.64.21: one IP number per host name.