gradus.gr - robtex.com
gradus.gr
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=2604122191 | ||||||
Previously MX for
gradus.gr |
Subdomains
www.gradus.gr |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.aboutnet.gr2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 09:14:16
● 2026-04-12 22:57:48
●NSns2.aboutnet.gr2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 09:14:16
● 2026-04-12 22:57:48
○NSns242.multiserver.gr2020-01-10 → 2020-01-10 · 3 obs
○ 2026-04-09 09:14:16
○ 2026-04-12 22:57:48
●NSns3.aboutnet.gr2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 09:14:16
● 2026-04-12 22:57:48
●NSns4.aboutnet.gr2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 09:14:16
● 2026-04-12 22:57:48
○NSns501.multiserver.gr2020-01-10 → 2020-01-10 · 3 obs
○ 2026-04-09 09:14:16
○ 2026-04-12 22:57:48
●MXgradus-gr.mail.protection.outlook.com2026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 09:14:16
● 2026-04-12 22:57:48
○MXgradus.gr2020-01-10 → 2020-01-10 · 3 obs
○ 2026-04-09 09:14:16
○ 2026-04-12 22:57:48
○A138.201.253.552020-01-10 → 2020-01-10 · 3 obs
○ 2026-04-09 09:14:16
○ 2026-04-12 22:57:48
●A176.31.225.1752026-04-09 → 2026-04-12 · 3 obs
● 2026-04-09 09:14:16
● 2026-04-12 22:57:48
🔍 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... | - |
| gradus.gr | ns1.aboutnet.gr, ns2.aboutnet.gr, ns3.aboutnet.gr, ns4.aboutnet.gr | 2 records |
✅ Authoritative Response
Server:37.48.67.238
NS records: ns1.aboutnet.gr, ns2.aboutnet.gr, ns3.aboutnet.gr, ns4.aboutnet.gr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gradus.gr (unsigned zone)
⏱️ Timing
Total: 3974ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.31.225.175 |
| NS | 4 | ns1.aboutnet.gr, ns3.aboutnet.gr... |
| MX | 1 | gradus-gr.mail.protection.outlook.com (p |
| TXT | 2 | MS=ms58962328, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.aboutnet.gr aboutnet.gr.gmail.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.aboutnet.gr, ns4.aboutnet.gr)
Analysis
Hierarchy
gradus.gr is the parent of www.gradus.gr.
IP Addresses
gradus.gr resolves to a single IP: 176.31.225.175.
Other host names, for instance, fb.aboutnet.gr, _dc-mx.5c2de8f8c357.clickareto.gr, greeceonair.com and ilikedeals.gr share IP numbers with gradus.gr.
Name Servers
gradus.gr is delegated to four name servers: ns1.aboutnet.gr, ns2.aboutnet.gr, ns3.aboutnet.gr and ns4.aboutnet.gr.
gradus.gr shares some name servers with other domains, for example takismarakakis.com, ares.aboutnet.gr, be-best.gr, alphaelevators.gr and aerostop.gr.
These name servers are commonly used alongside ns1.operon.gr, ns2.operon.gr, ns3.operon.gr and ns4.operon.gr.
Host names with a single IP
ns1.aboutnet.gr resolves to 188.241.115.78
ns2.aboutnet.gr resolves to 37.48.67.238
ns3.aboutnet.gr resolves to 195.201.90.83
ns4.aboutnet.gr resolves to 149.210.145.89
Mail Servers
gradus.gr is handled by a single mail server, gradus-gr.mail.protection.outlook.com.
Host gradus-gr.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::20, 52.101.68.15, 52.101.68.25, 52.101.73.24 and 52.101.73.30.