gr - dns.ninja
gr
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-04 #0 | ||||||
PTR for
Subdomains
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSestia.ics.forth.gr2015-09-03 → 2026-07-04 · 2 obs
● 2026-07-04 10:03:18
○NSgr-a.ics.forth.gr2026-07-02 → 2026-07-02 · 4 obs
● 2026-07-02 09:21:16
○ 2026-07-02 18:52:40
○ 2026-07-04 10:03:18
●NSgr-at.ics.forth.gr2015-09-03 → 2026-07-04 · 2 obs
● 2026-07-04 10:03:18
○NSgr-br.ics.forth.gr2015-09-03 → 2016-12-08 · 8 obs
● 2016-05-23 11:22:04
○ 2016-05-25 09:17:10
○ 2016-10-29 06:32:46
● 2016-10-31 07:10:28
● 2016-12-08 16:17:12
○ 2016-12-09 23:39:40
○ 2026-07-04 10:03:18
●NSgr-c.ics.forth.gr2016-05-25 → 2026-07-04 · 7 obs
● 2016-05-25 09:17:10
● 2016-10-29 06:32:46
○ 2016-10-31 07:10:28
○ 2016-12-08 16:17:12
● 2016-12-09 23:39:40
● 2026-07-04 10:03:18
●NSgr-d.ics.forth.gr2017-07-05 → 2026-07-04 · 3 obs
● 2017-07-05 11:15:02
● 2026-07-04 10:03:18
○NSgr-ix.ics.forth.gr2015-09-03 → 2016-12-08 · 8 obs
● 2016-06-08 02:40:24
○ 2016-06-09 22:28:18
○ 2016-10-29 06:32:46
● 2016-10-31 07:10:28
● 2016-12-08 16:17:12
○ 2016-12-09 23:39:40
○ 2026-07-04 10:03:18
●NSgr-m.ics.forth.gr2015-09-03 → 2026-07-04 · 2 obs
● 2026-07-04 10:03:18
○NSgrdns-de.denic.de2015-09-03 → 2017-07-02 · 4 obs
● 2017-07-02 23:28:08
○ 2017-07-05 11:15:02
○ 2026-07-04 10:03:18
●NSgrdns.ics.forth.gr2015-09-03 → 2026-07-04 · 2 obs
● 2026-07-04 10:03:18
🔍 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... | - |
✅ Authoritative Response
Server:139.91.1.1
NS records: gr-c.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr, estia.ics.forth.gr, gr-at.ics.forth.gr, grdns.ics.forth.gr
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 659ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | gr-m.ics.forth.gr, gr-c.ics.forth.gr... |
| SOA | 1 | grdns.ics.forth.gr hmaster-info.ics.fort |
Analysis
Hierarchy
The domain gr is parent to bitefight.gr, jappa.gr, speedcom.gr, dien.gr, optikapapatheodorou.gr and tens of thousands of other host names beneath it.
Name Servers
The DNS delegation for gr covers 6 name servers: estia.ics.forth.gr, gr-at.ics.forth.gr, gr-c.ics.forth.gr and 3 more.
The name servers of gr overlap at least partially with those of other domains — among them pro.cy, sta.forthnet.gr, 7.0.0.0.8.7.6.0.1.0.0.2.ip6.arpa and two more.
These name servers commonly appear in delegations together with teiresias.forthnet.gr, nsath.forthnet.gr, nsher.forthnet.gr and 7 other.
Hostnames that resolve to two IP addresses:
estia.ics.forth.gr maps to two IP addresses — 139.91.191.3 and 2001:648:2c30::191:3.
gr-d.ics.forth.gr maps to two IP addresses — 194.0.11.102 and 2001:678:e:102::53.
gr-m.ics.forth.gr maps to two IP addresses — 194.0.4.10 and 2001:678:7::4:10.
Hosts with just one IP address:
gr-at.ics.forth.gr points to the IP address 78.104.145.227.
gr-c.ics.forth.gr points to the IP address 194.0.1.25.