develop4u.gr - dns.ninja
develop4u.gr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:c207:2020:1913::1🇩🇪 CONTABO2a02:c207::/32 | ||||||
| PTR | hornet.server4u.gr | ||||||
| A | 213.136.80.186🇩🇪 CONTABO213.136.80.0/23 | ||||||
| NS | ns1.ns4u.gr ⭐ | ||||||
| A | 2a06:fb00:1::1:96🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns21.cloudns.net | ||||||
| A | 185.136.96.96🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd | ||||||
| PTR | pns21.cloudns.net | ||||||
| NS | ns2.ns4u.gr | ||||||
| A | 2a06:fb00:1::2:96🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns22.cloudns.net | ||||||
| A | 185.136.97.96CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd | ||||||
| PTR | pns22.cloudns.net | ||||||
| MX | mail.develop4u.gr ⭐ | ||||||
| A | 2a02:c207:2020:1913::1🇩🇪 CONTABO2a02:c207::/32 | ||||||
| PTR | hornet.server4u.gr | ||||||
| A | 213.136.80.186🇩🇪 CONTABO213.136.80.0/23 | ||||||
| PTR | hornet.server4u.gr | ||||||
| TXT | v=spf1 a mx a:hornet.server4u.gr | ||||||
| TXT | globalsign-domain-verification=u3BUQzU43jDlurHMCuKlhWLPsJkvVhX8b60WARrfiR | ||||||
| TXT | firebase=testproject1-c61d7 | ||||||
| SOA | ns1.ns4u.grmnicolas80@gmail.com 2026-05-28 #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=2606131891 | ||||||
Subdomains
mail.develop4u.gr |
Same first word
DNS History
9 records (5 active, 4 former)
●NSns1.ns4u.gr2026-02-27 → 2026-06-13 · 3 obs
● 2026-02-27 17:00:28
● 2026-06-13 19:22:36
○NSns1.webhost4u.gr2015-08-03 → 2017-04-09 · 4 obs
● 2017-04-09 09:56:00
○ 2026-02-27 17:00:28
○ 2026-06-13 19:22:36
●NSns2.ns4u.gr2026-02-27 → 2026-06-13 · 3 obs
● 2026-02-27 17:00:28
● 2026-06-13 19:22:36
○NSns2.webhost4u.gr2015-08-03 → 2017-04-09 · 4 obs
● 2017-04-09 09:56:00
○ 2026-02-27 17:00:28
○ 2026-06-13 19:22:36
●MXmail.develop4u.gr2015-08-03 → 2026-06-13 · 2 obs
● 2026-06-13 19:22:36
○A148.251.23.432016-03-07 → 2017-04-09 · 5 obs
● 2016-03-07 02:47:58
● 2017-04-09 09:56:00
○ 2026-02-27 17:00:28
○ 2026-06-13 19:22:36
○A148.251.97.302015-08-03 → 2015-11-30 · 4 obs
● 2015-11-30 12:11:00
○ 2016-03-07 02:47:58
○ 2026-06-13 19:22:36
●A213.136.80.1862026-02-27 → 2026-06-13 · 3 obs
● 2026-02-27 17:00:28
● 2026-06-13 19:22:36
●A2a02:c207:2020:1913::12026-02-27 → 2026-06-13 · 3 obs
● 2026-02-27 17:00:28
● 2026-06-13 19:22:36
🔍 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... | - |
| develop4u.gr | ns1.ns4u.gr, ns2.ns4u.gr | 4 records |
✅ Authoritative Response
Server:185.136.97.96
NS records: ns1.ns4u.gr, ns2.ns4u.gr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for develop4u.gr (unsigned zone)
⏱️ Timing
Total: 653ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.136.80.186 |
| AAAA | 1 | 2a02:c207:2020:1913::1 |
| NS | 2 | ns1.ns4u.gr, ns2.ns4u.gr |
| MX | 1 | mail.develop4u.gr (pri: 10) |
| TXT | 3 | v=spf1 a mx a:hornet.server4u.gr, firebase=testproject1-c61d7... |
| SOA | 1 | ns1.ns4u.gr mnicolas80.gmail.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.ns4u.gr, ns2.ns4u.gr, ns1.ns4u.gr...)
Analysis
Hierarchy
mail.develop4u.gr is a subdomain of develop4u.gr.
IP Addresses
develop4u.gr points to two IP numbers: 213.136.80.186 and 2a02:c207:2020:1913::1.
Among the host names that share IP numbers with develop4u.gr are server4u.gr, bestgreekhotels.gr, mail.bestgreekhotels.gr and two others.
Name Servers
develop4u.gr is delegated to two name servers: ns1.ns4u.gr and ns2.ns4u.gr.
develop4u.gr shares its name server setup with other domains, such as booking4u.gr.
develop4u.gr shares at least some of its name servers with other domains, such as ns4u.gr.
These name servers commonly appear in combination with the name servers ns21.cloudns.net.
ns1.ns4u.gr and ns2.ns4u.gr each resolve to two IP addresses: ns1.ns4u.gr points to 185.136.96.96 and 2a06:fb00:1::1:96, while ns2.ns4u.gr points to 185.136.97.96 and 2a06:fb00:1::2:96.
Mail Servers
develop4u.gr routes its mail through a single mail server, mail.develop4u.gr.
mail.develop4u.gr resolves to two IP numbers — 213.136.80.186 and 2a02:c207:2020:1913::1.