dotcore.net - dns.ninja
dotcore.net
net
| 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=1786380484 | ||||||
Same first word
Similar names
DNS History
14 records (5 active, 9 former)
○NSetta.ns.cloudflare.com2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 05:24:26
○ 2026-03-22 05:56:40
○ 2026-08-10 17:16:26
●NShelium.ns.hetzner.de2026-03-22 → 2026-08-10 · 3 obs
● 2026-03-22 05:56:40
● 2026-08-10 17:16:26
●NShydrogen.ns.hetzner.com2026-03-22 → 2026-08-10 · 3 obs
● 2026-03-22 05:56:40
● 2026-08-10 17:16:26
○NSns1.first-ns.de2015-08-16 → 2016-12-18 · 4 obs
● 2016-12-18 08:17:50
○ 2020-02-21 05:24:26
○ 2026-08-10 17:16:26
●NSoxygen.ns.hetzner.com2026-03-22 → 2026-08-10 · 3 obs
● 2026-03-22 05:56:40
● 2026-08-10 17:16:26
○NSrobotns2.second-ns.de2015-08-16 → 2016-12-18 · 4 obs
● 2016-12-18 08:17:50
○ 2020-02-21 05:24:26
○ 2026-08-10 17:16:26
○NSrobotns3.second-ns.com2015-08-16 → 2016-12-18 · 4 obs
● 2016-12-18 08:17:50
○ 2020-02-21 05:24:26
○ 2026-08-10 17:16:26
○NSvin.ns.cloudflare.com2020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 05:24:26
○ 2026-03-22 05:56:40
○ 2026-08-10 17:16:26
○MXmail.dotcore.net2015-08-16 → 2020-02-21 · 7 obs
● 2016-02-17 10:48:06
○ 2016-07-04 23:28:06
○ 2016-12-18 08:17:50
● 2020-02-21 05:24:26
○ 2026-03-22 05:56:40
○ 2026-08-10 17:16:26
○MXmx.runbox.com2016-07-04 → 2016-12-18 · 5 obs
● 2016-07-04 23:28:06
● 2016-12-18 08:17:50
○ 2020-02-21 05:24:26
○ 2026-08-10 17:16:26
●MXmx01.mail.icloud.com2026-03-22 → 2026-08-10 · 3 obs
● 2026-03-22 05:56:40
● 2026-08-10 17:16:26
●MXmx02.mail.icloud.com2026-03-22 → 2026-08-10 · 3 obs
● 2026-03-22 05:56:40
● 2026-08-10 17:16:26
○A144.76.98.802015-08-16 → 2016-02-17 · 4 obs
● 2016-02-17 10:48:06
○ 2016-07-04 23:28:06
○ 2026-08-10 17:16:26
○A78.47.160.2162016-07-04 → 2016-12-18 · 5 obs
● 2016-07-04 23:28:06
● 2016-12-18 08:17:50
○ 2020-02-21 05:24:26
○ 2026-08-10 17:16:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dotcore.net | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | - |
✅ Authoritative Response
Server:88.198.229.192
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dotcore.net (unsigned zone)
⏱️ Timing
Total: 658ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| MX | 2 | mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10) |
| TXT | 3 | apple-domain=xFzR48MV66xdYtnx, google-site-verification=YP6bn20v1jlVeH9... |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
Name Servers
dotcore.net carries NS records delegating to hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
There is at least partial name server overlap between dotcore.net and other domains — pop-med.de, ambsoft.de, xjoin.at and two more among them.
These name servers tend to appear together with the name servers ns1.first-ns.de, ns.second-ns.com and ns3.second-ns.de, plus two others.
hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are three hostnames that each resolve to a pair of IP addresses: hydrogen.ns.hetzner.com to 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com to 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de to 193.47.99.5 and 2001:67c:192c::add:5.
Mail Servers
dotcore.net uses two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.
The mail server setup of dotcore.net matches that of other domains such as hikinginspire.com, urbis.ch, panqueque.net and two others.
dotcore.net uses mail servers that are also used by other domains, including bhuigaon.com, dangrant.net and durakovic.nl.
Hosts with 6 IP addresses each:
mx01.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31 and 17.57.152.5 among others, with 3 other IP addresses in total.
mx02.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31 and 17.57.152.5 among others, with 3 other IP addresses in total.
mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.42.251.62 IP addresses.
mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.56.9.31 IP addresses.
mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.152.5 IP addresses.
mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.154.33 IP addresses.
mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.155.25 IP addresses.
mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.156.30 IP addresses.