masterclass.gr - dns.ninja
masterclass.gr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.25.23.165🇬🇷 AS209150185.25.23.0/24 | ||||||
| PTR | linux50.name-servers.gr | ||||||
| NS | ns125.name-servers.gr ⭐ ⚠️ Not in parent delegation | ||||||
| A | 185.25.23.165🇬🇷 AS209150185.25.23.0/24 | ||||||
| PTR | linux50.name-servers.gr | ||||||
| NS | ns1.masterclass.gr ⚠️ Not in zone NS records | ||||||
| A | 185.25.23.165🇬🇷 AS209150185.25.23.0/24 | ||||||
| PTR | linux50.name-servers.gr | ||||||
| NS | ns126.name-servers.gr ⚠️ Not in parent delegation | ||||||
| A | 185.162.236.165 | ||||||
| NS | ns2.masterclass.gr ⚠️ Not in zone NS records | ||||||
| A | 185.25.23.165🇬🇷 AS209150185.25.23.0/24 | ||||||
| PTR | linux50.name-servers.gr | ||||||
| MX | mail2.masterclass.gr ⭐ | ||||||
| A | 185.162.236.165 | ||||||
| MX | mail.masterclass.gr(40) | ||||||
| A | 185.25.23.165🇬🇷 AS209150185.25.23.0/24 | ||||||
| PTR | linux50.name-servers.gr | ||||||
| TXT | v=spf1 +a +mx +ip4:185.25.23.165 ~all | ||||||
| SOA | ns125.name-servers.grnoreply@name-servers.gr 2026-06-14 #1 | ||||||
gr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | grdns.ics.forth.gr ⭐ | ||||||
| NS | estia.ics.forth.gr | ||||||
| NS | gr-at.ics.forth.gr | ||||||
| NS | gr-c.ics.forth.gr | ||||||
| NS | gr-d.ics.forth.gr | ||||||
| NS | gr-m.ics.forth.gr | ||||||
| SOA | grdns.ics.forth.grhmaster-info@ics.forth.gr serial=2607030691 | ||||||
Previously MX for
masterclass.gr |
Subdomains
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
●NSns1.masterclass.gr2026-02-19 → 2026-07-03 · 3 obs
● 2026-02-19 04:22:04
● 2026-07-03 08:48:48
○NSns1.mynovahost.com2016-03-18 → 2017-03-19 · 4 obs
● 2017-03-19 21:09:14
○ 2026-02-19 04:22:04
○ 2026-07-03 08:48:48
●NSns125.name-servers.gr2026-02-19 → 2026-07-03 · 3 obs
● 2026-02-19 04:22:04
● 2026-07-03 08:48:48
●NSns126.name-servers.gr2026-02-19 → 2026-07-03 · 3 obs
● 2026-02-19 04:22:04
● 2026-07-03 08:48:48
●NSns2.masterclass.gr2026-02-19 → 2026-07-03 · 3 obs
● 2026-02-19 04:22:04
● 2026-07-03 08:48:48
○NSns2.mynovahost.com2016-03-18 → 2017-03-19 · 4 obs
● 2017-03-19 21:09:14
○ 2026-02-19 04:22:04
○ 2026-07-03 08:48:48
●MXmail.masterclass.gr2026-02-19 → 2026-07-03 · 3 obs
● 2026-02-19 04:22:04
● 2026-07-03 08:48:48
●MXmail2.masterclass.gr2026-02-19 → 2026-07-03 · 3 obs
● 2026-02-19 04:22:04
● 2026-07-03 08:48:48
○MXmasterclass.gr2016-03-18 → 2017-03-19 · 4 obs
● 2017-03-19 21:09:14
○ 2026-02-19 04:22:04
○ 2026-07-03 08:48:48
●A185.25.23.1652026-02-19 → 2026-07-03 · 3 obs
● 2026-02-19 04:22:04
● 2026-07-03 08:48:48
○A50.87.204.1862016-03-18 → 2017-03-19 · 4 obs
● 2017-03-19 21:09:14
○ 2026-02-19 04:22:04
○ 2026-07-03 08:48:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| gr | gr-c.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr, estia.ics.forth.gr... | - |
| masterclass.gr | ns1.masterclass.gr, ns2.masterclass.gr | 2 records |
✅ Authoritative Response
Server:185.25.23.165
NS records: ns1.masterclass.gr, ns2.masterclass.gr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterclass.gr (unsigned zone)
⏱️ Timing
Total: 1577ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.25.23.165 |
| NS | 2 | ns126.name-servers.gr, ns125.name-servers.gr |
| MX | 2 | mail2.masterclass.gr (pri: 40), mail.masterclass.gr (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:185.25.23.165 ~all |
| SOA | 1 | ns125.name-servers.gr noreply.name-serve |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.masterclass.gr, ns1.masterclass.gr)
Analysis
Hierarchy
mail.masterclass.gr, ns1.masterclass.gr, mail2.masterclass.gr and ns2.masterclass.gr each fall under the parent domain masterclass.gr.
IP Addresses
masterclass.gr points to a single IP number: 185.25.23.165.
Other host names, for instance karas.gr, mail.kefalasbox.gr, mail.vrakas-stores.gr and two other share IP numbers with masterclass.gr.
Name Servers
masterclass.gr has four authoritative name servers: ns1.masterclass.gr, ns2.masterclass.gr, ns125.name-servers.gr and ns126.name-servers.gr.
masterclass.gr partially shares its NS delegation with several other domains, including amalmarine.gr, seo1.gr, lida.com.gr and two others.
The host names ns1.masterclass.gr, ns2.masterclass.gr, ns125.name-servers.gr and ns126.name-servers.gr each point to one IP number: ns1.masterclass.gr points to 185.25.23.165. ns2.masterclass.gr points to 185.25.23.165. ns125.name-servers.gr points to 185.25.23.165. ns126.name-servers.gr points to 185.162.236.165.
ns1.masterclass.gr, ns2.masterclass.gr and ns125.name-servers.gr are host names that all point to 185.25.23.165.
Mail Servers
masterclass.gr has two mail servers: mail2.masterclass.gr and mail.masterclass.gr.
mail2.masterclass.gr resolves to 185.162.236.165. mail.masterclass.gr resolves to 185.25.23.165. Both host names point to a single IP number.