coretutorial.com - dns.ninja
coretutorial.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.170Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.25.170Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=1787603491 | ||||||
Same first word
coretutorial.com |
Similar names
Previous names
Next names
DNS History
14 records (3 active, 11 former)
○NSbuy.internettraffic.com2016-03-16 → 2016-03-16 · 3 obs
○ 2016-11-26 00:16:50
○ 2026-08-24 20:56:00
●NSns.buydomains.com2026-08-19 → 2026-08-24 · 3 obs
● 2026-08-19 15:23:34
● 2026-08-24 20:56:00
○NSns1.uniregistrymarket.link2016-11-26 → 2016-11-26 · 4 obs
● 2016-11-26 00:16:50
○ 2017-11-15 11:20:04
○ 2026-08-24 20:56:00
○NSns11052.ztomy.com2017-11-15 → 2017-11-15 · 4 obs
● 2017-11-15 11:20:04
○ 2026-08-19 15:23:34
○ 2026-08-24 20:56:00
○NSns2.uniregistrymarket.link2016-11-26 → 2016-11-26 · 4 obs
● 2016-11-26 00:16:50
○ 2017-11-15 11:20:04
○ 2026-08-24 20:56:00
○NSns21052.ztomy.com2017-11-15 → 2017-11-15 · 4 obs
● 2017-11-15 11:20:04
○ 2026-08-19 15:23:34
○ 2026-08-24 20:56:00
○NSsell.internettraffic.com2016-03-16 → 2016-03-16 · 3 obs
○ 2016-11-26 00:16:50
○ 2026-08-24 20:56:00
●NSthis-domain-for-sale.com2026-08-19 → 2026-08-24 · 3 obs
● 2026-08-19 15:23:34
● 2026-08-24 20:56:00
●A207.148.248.1432026-08-19 → 2026-08-24 · 5 obs
● 2026-08-19 16:02:56
○ 2026-08-19 16:57:58
● 2026-08-24 20:55:54
● 2026-08-24 20:56:00
○A209.99.64.522017-11-15 → 2017-11-15 · 4 obs
● 2017-11-15 11:20:04
○ 2026-08-19 15:23:34
○ 2026-08-24 20:56:00
○A209.99.64.532017-11-15 → 2017-11-15 · 4 obs
● 2017-11-15 11:20:04
○ 2026-08-19 15:23:34
○ 2026-08-24 20:56:00
○A69.172.201.1532016-11-26 → 2016-11-26 · 4 obs
● 2016-11-26 00:16:50
○ 2017-11-15 11:20:04
○ 2026-08-24 20:56:00
○A69.172.201.2082016-03-16 → 2016-03-16 · 3 obs
○ 2016-11-26 00:16:50
○ 2026-08-24 20:56:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| coretutorial.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coretutorial.com (unsigned zone)
⏱️ Timing
Total: 139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
coretutorial.com resolves to one IP address: 207.148.248.143.
ns2.igss.net, champagnenews.com, www.um-audio.com and two other host names share IP numbers with coretutorial.com.
Name Servers
coretutorial.com is served by two delegated name servers, this-domain-for-sale.com and ns.buydomains.com.
coretutorial.com uses the same name servers as several other domains — among them swingjunkies.com, simplyscones.com, boardprogram.com and two more.
coretutorial.com shares at least some of its name servers with other domains, including theleadershipconference.com, csaan.com, adventurepursuits.com and two others.
These name servers are frequently seen alongside the name servers ns2.buydomains.com.
this-domain-for-sale.com and ns.buydomains.com share one IP address between them — 162.159.25.170.
These two host names — this-domain-for-sale.com and ns.buydomains.com — each point to 162.159.25.170 IP addresses.