mail.root-core.net - robtex.com
mail.root-core.net
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 2603:c022:5:4b00::1337๐จ๐ญ ORACLE-OCI-318982603:c022::/35 | ||||||
| PTR | mail.root-core.net | ||||||
| A | 140.238.221.178๐จ๐ญ ORACLE-OCI-31898140.238.208.0/20 | ||||||
root-core.net
| DNSSEC | ๐ Signed (DS record present) | ||||||
| A | 140.238.221.178๐จ๐ญ ORACLE-OCI-31898140.238.208.0/20 | ||||||
| NS | get.desec.io โญ | ||||||
| NS | ns1.desec.io | ||||||
| NS | ns2.desec.org | ||||||
| MX | mail.root-core.net โญ | ||||||
| TXT | v=spf1 mx a -all | ||||||
| SOA | get.desec.ioget@desec.io serial=2026035245 | ||||||
PTR for
7.3.3.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.b.4.5.0.0.0.2.2.0.c.3.0.6.2.ip6.arpa |
178.221.238.140.in-addr.arpa |
MX for
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
โA140.238.221.1782026-02-16 โ 2026-03-23 ยท 3 obs
โ 2016-07-23 16:32:22
โ 2026-02-16 16:15:22
โ 2026-03-23 16:54:20
โ 2026-02-16 16:15:22
โ 2026-03-23 16:54:20
โA2603:c022:5:4b00::13372026-02-16 โ 2026-03-23 ยท 3 obs
โ 2016-07-23 16:32:22
โ 2026-02-16 16:15:22
โ 2026-03-23 16:54:20
โ 2026-02-16 16:15:22
โ 2026-03-23 16:54:20
โA84.200.1.1312015-08-02 โ 2016-07-23 ยท 4 obs
โ 2015-08-02 08:15:30
โ 2016-07-23 16:32:22
โ 2026-02-16 16:15:22
โ 2026-03-23 16:54:20
โ 2016-07-23 16:32:22
โ 2026-02-16 16:15:22
โ 2026-03-23 16:54:20
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | j.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| root-core.net | ns1.desec.io, ns2.desec.org | - |
โ Authoritative Response
Server:45.54.76.1
NS records: ns1.desec.io, ns2.desec.org
๐ DNSSEC Status
๐ Secure (DNSSEC validated)
Chain of trust verified from root to domain
โฑ๏ธ Timing
Total: 254ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.238.221.178 |
| AAAA | 1 | 2603:c022:5:4b00::1337 |
Analysis
Mail Server Role
mail.root-core.net serves mail for ns.hetzner.com.root-core.net, hydrogen.ns.hetzner.com.root-core.net, de.root-core.net, com.root-core.net, ns.hetzner.de.root-core.net and a few other domains.
IP Addresses
mail.root-core.net resolves to two IP numbers: 2603:c022:5:4b00::1337 and 140.238.221.178.
Other host names, for instance root-core.net, ns3.root-core.net and oxygen.ns.hetzner.com.root-core.net share IP numbers with mail.root-core.net.