coreforces.com - dns.ninja
coreforces.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.91.197.195🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object | ||||||
| NS | ns2.buydomains.com ⭐ ⚠️ Not in zone NS records | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| SOA | ns.buydomains.combd-operations@namemedia.com 2025-07-29 #22 | ||||||
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=1781859140 | ||||||
Same first word
coreforces.com |
Similar names
DNS History
17 records (3 active, 14 former)
○NSns-cloud-c1.googledomains.com2017-12-07 → 2017-12-07 · 4 obs
● 2017-12-07 17:22:24
○ 2026-02-19 15:56:50
○ 2026-06-19 09:21:56
○NSns-cloud-c2.googledomains.com2017-12-07 → 2017-12-07 · 4 obs
● 2017-12-07 17:22:24
○ 2026-02-19 15:56:50
○ 2026-06-19 09:21:56
○NSns-cloud-c3.googledomains.com2017-12-07 → 2017-12-07 · 4 obs
● 2017-12-07 17:22:24
○ 2026-02-19 15:56:50
○ 2026-06-19 09:21:56
○NSns-cloud-c4.googledomains.com2017-12-07 → 2017-12-07 · 4 obs
● 2017-12-07 17:22:24
○ 2026-02-19 15:56:50
○ 2026-06-19 09:21:56
●NSns.buydomains.com2026-02-19 → 2026-06-19 · 3 obs
● 2026-02-19 15:56:50
● 2026-06-19 09:21:56
○NSns1626.ztomy.com2016-11-20 → 2016-11-20 · 4 obs
● 2016-11-20 08:01:54
○ 2017-12-07 17:22:24
○ 2026-06-19 09:21:56
●NSns2.buydomains.com2026-02-19 → 2026-06-19 · 3 obs
● 2026-02-19 15:56:50
● 2026-06-19 09:21:56
○NSns2626.ztomy.com2016-11-20 → 2016-11-20 · 4 obs
● 2016-11-20 08:01:54
○ 2017-12-07 17:22:24
○ 2026-06-19 09:21:56
○NSns49.worldnic.com2015-06-07 → 2016-01-22 · 4 obs
● 2016-01-22 22:21:48
○ 2016-11-20 08:01:54
○ 2026-06-19 09:21:56
○NSns50.worldnic.com2015-06-07 → 2016-01-22 · 4 obs
● 2016-01-22 22:21:48
○ 2016-11-20 08:01:54
○ 2026-06-19 09:21:56
○MXmail.b-io.co2016-04-14 → 2016-04-14 · 4 obs
● 2016-04-14 19:30:14
○ 2016-11-20 08:01:54
○ 2026-06-19 09:21:56
○MXp.webcom.ctmail.com2016-01-22 → 2016-01-22 · 3 obs
○ 2016-04-14 19:30:14
○ 2026-06-19 09:21:56
○A204.11.56.482016-11-20 → 2016-11-20 · 4 obs
● 2016-11-20 08:01:54
○ 2017-12-07 17:22:24
○ 2026-06-19 09:21:56
○A206.188.192.492015-06-07 → 2016-01-22 · 4 obs
● 2016-01-22 22:21:48
○ 2016-04-14 19:30:14
○ 2026-06-19 09:21:56
○A208.91.197.1322016-04-14 → 2016-04-14 · 4 obs
● 2016-04-14 19:30:14
○ 2016-11-20 08:01:54
○ 2026-06-19 09:21:56
●A208.91.197.1952026-02-19 → 2026-06-19 · 3 obs
● 2026-02-19 15:56:50
● 2026-06-19 09:21:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coreforces.com | ns.buydomains.com, ns2.buydomains.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, ns2.buydomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coreforces.com (unsigned zone)
⏱️ Timing
Total: 3067ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.91.197.195 |
| SOA | 1 | ns.buydomains.com bd-operations.namemedi |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, ns2.buydomains.com)
Analysis
IP Addresses
coreforces.com directs to one IP number, which is 208.91.197.195.
Among the host names that share IP numbers with coreforces.com are bluepalm.com, doublecleaning.com, www.installmenthub.com and two others.
Name Servers
coreforces.com is served by two delegated name servers, ns2.buydomains.com and ns.buydomains.com.
coreforces.com has the same name server delegation as a number of other domains, such as thefitsystem.com, credentialingpro.com, ruralair.com and two more.
coreforces.com shares at least some of its name servers with other domains, including nycfirst.com, erineo.com, icebolts.com and two others.
These name servers are frequently seen alongside the name servers this-domain-for-sale.com.
Hosts that resolve to one IP address:
ns.buydomains.com points to the IP address 52.20.26.87.