external.forth.gr - dns.ninja

`external.forth.gr`

DNSSEC	⚠️ Not signed
A	139.91.151.3^{🇬🇷 FORTH-AS139.91.0.0/16 FORTH}
		PTR	`dns2.ics.forth.gr`
NS	`dns1.ics.forth.gr` ⭐
		A	139.91.151.70^{🇬🇷 FORTH-AS139.91.0.0/16 FORTH}
NS	`estia.ics.forth.gr`
		A	2001:648:2c30::191:3^{🇬🇷 FORTH-AS2001:648:2c30::/48 FORTHv6 Foundation for Research and Technology Hellas Institute of Computer Sciense}
			PTR	`estia.ics.forth.gr`
		A	139.91.191.3^{🇬🇷 FORTH-AS139.91.0.0/16 FORTH}
SOA	`dns1.ics.forth.gr`noc@ics.forth.gr 2002-09-04 #1

`forth.gr`

	DNSSEC	⚠️ Not signed
	A	139.91.187.8^{🇬🇷 FORTH-AS139.91.0.0/16 FORTH}
	NS	`dns1.ics.forth.gr` ⭐ ⚠️ Not in parent delegation
	NS	`estia.ics.forth.gr` ⚠️ Not in parent delegation
	NS	`gr-a.ics.forth.gr` ⚠️ Not in parent delegation
	NS	`gr-d.ics.forth.gr` ⚠️ Not in parent delegation
	NS	`grdns-at.ics.forth.gr` ⚠️ Not in parent delegation
	NS	`grdns.ics.forth.gr` ⚠️ Not in parent delegation
	MX	`mailgate.ics.forth.gr` ⭐
	SOA	`dns1.ics.forth.gr`noc@ics.forth.gr serial=1783465261

WOT: SAFE (61/100)
rank #17750 globally
rank #15 in the tld

forth.gr

forth.gris the official website of the Foundation for Research and Technology – Hellas (FORTH), one of the largest and most prestigious public research centers in Greece, headquartered in Heraklion, Crete.

Key facts

Owner / operator: Foundation for Research and Technology – Hellas (FORTH)
TLD:.gr— Greece (ccTLD)
Primary purpose: Institutional website for a major Greek public research foundation, covering its institutes, research programmes, news, and services
Status: Active

Related domains

Several FORTH institutes maintain their own subdomains or sub-sites underforth.gr(e.g.ics.forth.grfor the Institute of Computer Science,iesl.forth.grfor the Institute of Electronic Structure and Laser)

WOT: SAFE (69/100)
📈 Tranco rank: #10,518

Same first word

Similar names

DNS History

4 records (3 active, 1 former)

●NSdns1.ics.forth.gr2015-07-03 → 2026-07-08 · 2 obs

● 2015-07-03 05:11:04
● 2026-07-08 00:15:34

●NSestia.ics.forth.gr2015-07-03 → 2026-07-08 · 4 obs

● 2015-07-03 05:11:04
● 2026-06-04 07:37:28
○ 2026-06-17 11:44:04
● 2026-07-08 00:15:34

●A139.91.151.32015-07-03 → 2026-07-08 · 7 obs

● 2015-07-03 05:11:04
● 2026-04-25 05:16:38
○ 2026-04-26 03:51:04
● 2026-05-28 23:19:32
● 2026-06-04 07:37:28
○ 2026-06-17 11:44:04
● 2026-07-08 00:15:34

○PTR0.0.91.139.in-addr.arpa2020-05-04 → 2020-05-11 · 4 obs

● 2020-05-04 06:11:44
● 2020-05-11 07:31:56
○ 2026-02-22 15:03:54
○ 2026-07-08 00:15:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
gr	gr-a.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr, estia.ics.forth.gr...	-
external.forth.gr	dns1.ics.forth.gr, estia.ics.forth.gr	2 records

✅ Authoritative Response

Server:139.91.191.3

NS records: dns1.ics.forth.gr, estia.ics.forth.gr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for external.forth.gr (unsigned zone)

⏱️ Timing

Total: 3362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.91.151.3`
NS	2	`dns1.ics.forth.gr, estia.ics.forth.gr`
SOA	1	`dns1.ics.forth.gr noc.ics.forth.gr`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.ics.forth.gr, estia.ics.forth.gr)

Analysis

IP Addresses

external.forth.gr resolves to one IP address: 139.91.151.3.

Name Servers

DNS delegation for external.forth.gr points to two name servers: dns1.ics.forth.gr and estia.ics.forth.gr.

external.forth.gr uses the same name servers as several other domains — among them admin.forth.gr, 68.91.139.in-addr.arpa, 235.91.139.in-addr.arpa and two more.

At least some of external.forth.gr's name servers are shared with other domains, for example tri.forthnet.gr, hlk.forthnet.gr, kat.forthnet.gr and two more.

These name servers tend to co-occur with nsath.forthnet.gr, teiresias.forthnet.gr, nsher.forthnet.gr and 7 other name servers in the same DNS delegations.

Hostnames that resolve to two IP addresses:

estia.ics.forth.gr has two IP addresses: 139.91.191.3 and 2001:648:2c30::191:3.

Hosts with just one IP address:

dns1.ics.forth.gr directs to 139.91.151.70.