coreofcode.com - robtex.com
coreofcode.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.234.243.203🇭🇰 YANCYLIMITED-AS-HK156.234.0.0/16 YANCY LIMITED | ||||||
| NS | a8.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.69Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.48.69Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.88Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b8.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 162.159.27.88Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1782180584 | ||||||
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=1790638049 | ||||||
Subdomains
mail.coreofcode.com |
Same first word
coreofcode.com |
Similar names
Previous names
Next names
DNS History
9 records (5 active, 4 former)
●NSa.share-dns.com2026-08-31 → 2026-09-28 · 3 obs
● 2026-08-31 09:36:06
● 2026-09-28 23:30:58
●NSa8.share-dns.com2026-08-31 → 2026-09-28 · 3 obs
● 2026-08-31 09:36:06
● 2026-09-28 23:30:58
●NSb.share-dns.net2026-08-31 → 2026-09-28 · 3 obs
● 2026-08-31 09:36:06
● 2026-09-28 23:30:58
●NSb8.share-dns.net2026-08-31 → 2026-09-28 · 3 obs
● 2026-08-31 09:36:06
● 2026-09-28 23:30:58
○NSns859.websitewelcome.com2017-11-28 → 2017-11-28 · 3 obs
○ 2026-08-31 09:36:06
○ 2026-09-28 23:30:58
○NSns860.websitewelcome.com2017-11-28 → 2017-11-28 · 3 obs
○ 2026-08-31 09:36:06
○ 2026-09-28 23:30:58
○MXmail.coreofcode.com2017-11-28 → 2017-11-28 · 3 obs
○ 2026-08-31 09:36:06
○ 2026-09-28 23:30:58
●A156.234.243.2032026-08-31 → 2026-09-28 · 3 obs
● 2026-08-31 09:36:06
● 2026-09-28 23:30:58
○A192.185.157.1822017-11-28 → 2017-11-28 · 3 obs
○ 2026-08-31 09:36:06
○ 2026-09-28 23:30:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coreofcode.com | b8.share-dns.net, a8.share-dns.com | 1 record |
✅ Authoritative Response
Server:162.159.27.88
NS records: b8.share-dns.net, a8.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coreofcode.com (unsigned zone)
⏱️ Timing
Total: 669ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.234.243.203 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a8.share-dns.com)
Analysis
Hierarchy
coreofcode.com serves as the parent of mail.coreofcode.com.
IP Addresses
coreofcode.com resolves to just one IP address, 156.234.243.203.
There are other host names — mail.coreofcode.com among them — that share IP numbers with coreofcode.com.
Name Servers
The NS records for coreofcode.com point to four name servers: a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net.
coreofcode.com has at least partial name server overlap with other domains, such as jiuliang168.com, d8iu.com, hashgardens.com and two others.
a7.share-dns.com, b7.share-dns.net and a10.share-dns.com — plus 7 other name servers — are commonly paired with these name servers.
Each of a8.share-dns.com, a.share-dns.com, b8.share-dns.net and b.share-dns.net directs to two IP addresses. a8.share-dns.com and a.share-dns.com share 162.159.48.69 and 172.64.53.25; b8.share-dns.net and b.share-dns.net share 162.159.27.88 and 172.64.52.239.
Host names pointing to 162.159.48.69 IP addresses: a8.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.53.25 IP addresses: a8.share-dns.com and a.share-dns.com.
Host names pointing to 162.159.27.88 IP addresses: b8.share-dns.net and b.share-dns.net.
Host names pointing to 172.64.52.239 IP addresses: b8.share-dns.net and b.share-dns.net.