core-defined.com - dns.ninja
core-defined.com
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=1781016426 | ||||||
Same first word
core-defined.com |
DNS History
18 records (18 active, 0 former)
●NSdns1.p01.nsone.net2017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●NSdns2.p01.nsone.net2017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●NSdns3.p01.nsone.net2017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●NSdns4.p01.nsone.net2017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●NSns01.squarespacedns.com2026-02-15 → 2026-06-09 · 3 obs
● 2026-02-15 04:02:32
● 2026-06-09 14:48:44
●NSns02.squarespacedns.com2026-02-15 → 2026-06-09 · 3 obs
● 2026-02-15 04:02:32
● 2026-06-09 14:48:44
●NSns03.squarespacedns.com2026-02-15 → 2026-06-09 · 3 obs
● 2026-02-15 04:02:32
● 2026-06-09 14:48:44
●NSns04.squarespacedns.com2026-02-15 → 2026-06-09 · 3 obs
● 2026-02-15 04:02:32
● 2026-06-09 14:48:44
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●MXaspmx.l.google.com2026-02-15 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●MXdml6eysx6ur2mmdv732xqwgukc6w4yelhx74u7x5zj3pxghfd6fq.mx-verification.google.com2026-02-15 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●A198.185.159.1442017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●A198.185.159.1452017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●A198.49.23.1442017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
●A198.49.23.1452017-09-09 → 2026-06-09 · 2 obs
● 2026-06-09 14:48:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| core-defined.com | dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net | - |
✅ Authoritative Response
Server:198.51.44.1
NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-defined.com (unsigned zone)
⏱️ Timing
Total: 529ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.185.159.145, 198.49.23.144... |
| NS | 8 | dns1.p01.nsone.net, dns2.p01.nsone.net... |
| MX | 6 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:squarespace-mail.com ~all |
| SOA | 1 | dns1.p01.nsone.net hostmaster.nsone.net |
Analysis
IP Addresses
core-defined.com has 4 IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
gosalia.biz, blkjak.com, jjreddington.com and two other host names share IP numbers with core-defined.com.
Name Servers
core-defined.com has 8 name servers — ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and five more.
At least some of core-defined.com's name servers are shared with other domains, for example jnjuniversity.net, catincatilea.com, ourcampusunited.com and two more.
It is common to see these name servers paired with dns1.p01.nsone.net, ns04.squarespacedns.com, dns2.p01.nsone.net and seven other name servers.
Hostnames that resolve to two IP addresses:
dns1.p01.nsone.net maps to two IP addresses — 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.
dns2.p01.nsone.net maps to two IP addresses — 198.51.45.1 and 2a00:edc0:6259:7:1::2.
dns3.p01.nsone.net maps to two IP addresses — 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.
dns4.p01.nsone.net maps to two IP addresses — 198.51.45.65 and 2a00:edc0:6259:7:1::4.
Host names with one IP number:
ns01.squarespacedns.com points to the IP address 45.54.22.1.
ns02.squarespacedns.com points to the IP address 45.54.22.65.
ns03.squarespacedns.com points to the IP address 45.54.22.129.
ns04.squarespacedns.com points to the IP address 45.54.22.193.
Mail Servers
core-defined.com is handled by 6 mail servers, aspmx.l.google.com, dml6eysx6ur2mmdv732xqwgukc6w4yelhx74u7x5zj3pxghfd6fq.mx-verification.google.com, alt1.aspmx.l.google.com and three other.
core-defined.com has at least partial mail server overlap with other domains such as ns500731.ns500742.ns500671.ns500754.ns500671.ns500731.ns500731.ns500688.ns500688.ns500649.ns500688.ns500678.ns500666.ns500142.lusty(0x736c7574)z.com, oscardop.com, casualgamer.com and two more.
These mail servers commonly appear together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and four other mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c19::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 142.250.102.27 and 2a00:1450:4025:402::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 192.178.213.26 and 2a00:1450:4013:c1e::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 142.251.127.27 and 2a00:1450:4001:c21::1b.
alt4.aspmx.l.google.com maps to two IP addresses — 142.250.147.26 and 2a00:1450:4025:c01::1b.