hostmaster.gr - dns.ninja

hostmaster.gr

DNSSECโš ๏ธ Not signed
NSgrdns.ics.forth.gr โญ
A139.91.1.1๐Ÿ‡ฌ๐Ÿ‡ท FORTH-AS139.91.0.0/16 FORTH
PTRgrdns.ics.forth.gr
NSestia.ics.forth.gr
A2001:648:2c30::191:3๐Ÿ‡ฌ๐Ÿ‡ท FORTH-AS2001:648:2c30::/48 FORTHv6 Foundation for Research and Technology Hellas Institute of Computer Sciense
PTRestia.ics.forth.gr
A139.91.191.3๐Ÿ‡ฌ๐Ÿ‡ท FORTH-AS139.91.0.0/16 FORTH
PTRestia.ics.forth.gr
NSgrdns-de.denic.de
SOAgrdns.ics.forth.grnoc@ics.forth.gr 2004-04-10 #6

gr

DNSSEC๐Ÿ”’ Signed (DS record present)
NSgrdns.ics.forth.gr โญ
NSestia.ics.forth.gr
NSgr-a.ics.forth.gr
NSgr-at.ics.forth.gr
NSgr-d.ics.forth.gr
NSgr-m.ics.forth.gr
SOAgrdns.ics.forth.grhmaster-info@ics.forth.gr serial=2607171891
WOT: SAFE (68/100)

Same first word

Similar names

DNS History

3 records (3 active, 0 former)

20162017201820192020202120222023202420252026NSestia.ics.forth.grgrdns-de.denic.degrdns.ics.forth.gr
โ—NSestia.ics.forth.gr2015-08-23 โ†’ 2026-07-17 ยท 15 obs
โ— 2015-08-23 20:13:08
โ— 2026-02-21 09:25:02
โ—‹ 2026-02-23 07:00:48
โ— 2026-02-23 18:27:44
โ— 2026-03-26 13:58:56
โ—‹ 2026-03-27 19:58:50
โ—‹ 2026-03-30 19:00:38
โ— 2026-03-30 19:35:40
โ— 2026-05-27 18:15:54
โ—‹ 2026-05-28 04:14:18
โ— 2026-05-29 07:09:22
โ— 2026-06-01 22:23:06
โ—‹ 2026-06-02 13:01:00
โ— 2026-06-09 06:23:02
โ— 2026-07-17 21:14:54
โ—NSgrdns-de.denic.de2015-08-23 โ†’ 2026-07-17 ยท 15 obs
โ— 2015-08-23 20:13:08
โ— 2026-02-21 09:25:02
โ—‹ 2026-02-23 07:00:48
โ— 2026-02-23 18:27:44
โ— 2026-03-26 13:58:56
โ—‹ 2026-03-27 19:58:50
โ—‹ 2026-03-30 19:00:38
โ— 2026-03-30 19:35:40
โ— 2026-05-27 18:15:54
โ—‹ 2026-05-28 04:14:18
โ— 2026-05-29 07:09:22
โ— 2026-06-01 22:23:06
โ—‹ 2026-06-02 13:01:00
โ— 2026-06-09 06:23:02
โ— 2026-07-17 21:14:54
โ—NSgrdns.ics.forth.gr2015-08-23 โ†’ 2026-07-17 ยท 2 obs
โ— 2015-08-23 20:13:08
โ— 2026-07-17 21:14:54

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
grestia.ics.forth.gr, gr-at.ics.forth.gr, grdns.ics.forth.gr, gr-a.ics.forth.gr...-

โœ… Authoritative Response

Server:139.91.1.1

NS records: estia.ics.forth.gr, gr-at.ics.forth.gr, grdns.ics.forth.gr, gr-a.ics.forth.gr, gr-m.ics.forth.gr, gr-d.ics.forth.gr

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 554ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS3estia.ics.forth.gr, grdns.ics.forth.gr...
SOA1grdns.ics.forth.gr noc.ics.forth.gr

Analysis

Name Servers

hostmaster.gr is delegated to three name servers: grdns-de.denic.de, estia.ics.forth.gr and grdns.ics.forth.gr.

The name servers of hostmaster.gr overlap at least partially with those of other domains โ€” among them 12.255.159.dsl.dyn.forthnet.gr, 204.91.139.in-addr.arpa, dyn.forthnet.gr and two more.

These name servers commonly appear in delegations together with nsath.forthnet.gr, teiresias.forthnet.gr, nsher.forthnet.gr and 7 other.

Host names with two IP numbers:

estia.ics.forth.gr points to 139.91.191.3 and 2001:648:2c30::191:3.

Host names pointing to a single IP address:

grdns.ics.forth.gr points to 139.91.1.1.