`support4students.gr`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2e33^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:dfdf^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.51^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.223^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cash.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c151^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cash.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2151^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cash.ns.cloudflare.com`
		A	108.162.193.81^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	172.64.33.81^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
		A	173.245.59.81^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cash.ns.cloudflare.com`
NS	`nina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c088^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2088^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nina.ns.cloudflare.com`
		A	108.162.192.136^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	172.64.32.136^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	173.245.58.136^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`v=spf1 +a +mx include:spf.linux53.name-servers.gr -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.51, 172.67.223.223
		IPv6 hints	2606:4700:3030::6815:2e33, 2606:4700:3035::ac43:dfdf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOA	`cash.ns.cloudflare.com`dns@cloudflare.com serial=2411057836

`gr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`grdns.ics.forth.gr` ⭐
	NS	`estia.ics.forth.gr`
	NS	`gr-a.ics.forth.gr`
	NS	`gr-at.ics.forth.gr`
	NS	`gr-d.ics.forth.gr`
	NS	`gr-m.ics.forth.gr`
	SOA	`grdns.ics.forth.gr`hmaster-info@ics.forth.gr serial=2608070091

Subdomains

mail.support4students.gr

Same first word

support4students.de

support4students.com

support4students.gr

DNS History

26 records (11 active, 15 former)

●NScash.ns.cloudflare.com2020-05-07 → 2026-08-07 · 3 obs

○ 2019-03-27 22:32:58
● 2020-05-07 12:18:54
● 2026-08-07 04:09:06

●NSnina.ns.cloudflare.com2020-05-07 → 2026-08-07 · 3 obs

○ 2019-03-27 22:32:58
● 2020-05-07 12:18:54
● 2026-08-07 04:09:06

○NSns1.host4free.gr2015-07-04 → 2019-03-27 · 4 obs

● 2015-07-04 03:48:58
● 2019-03-27 22:32:58
○ 2020-05-07 12:18:54
○ 2026-08-07 04:09:06

○NSns2.host4free.gr2015-07-04 → 2019-03-27 · 4 obs

● 2015-07-04 03:48:58
● 2019-03-27 22:32:58
○ 2020-05-07 12:18:54
○ 2026-08-07 04:09:06

●MXalt1.aspmx.l.google.com2015-07-04 → 2026-08-07 · 2 obs

● 2015-07-04 03:48:58
● 2026-08-07 04:09:06

●MXalt2.aspmx.l.google.com2015-07-04 → 2026-08-07 · 2 obs

● 2015-07-04 03:48:58
● 2026-08-07 04:09:06

●MXaspmx.l.google.com2015-07-04 → 2026-08-07 · 2 obs

● 2015-07-04 03:48:58
● 2026-08-07 04:09:06

●MXaspmx2.googlemail.com2015-07-04 → 2026-08-07 · 2 obs

● 2015-07-04 03:48:58
● 2026-08-07 04:09:06

●MXaspmx3.googlemail.com2015-07-04 → 2026-08-07 · 2 obs

● 2015-07-04 03:48:58
● 2026-08-07 04:09:06

○MXmail.support4students.gr2015-07-04 → 2019-03-27 · 4 obs

● 2015-07-04 03:48:58
● 2019-03-27 22:32:58
○ 2020-05-07 12:18:54
○ 2026-08-07 04:09:06

○A104.18.58.12020-05-07 → 2020-05-14 · 5 obs

○ 2019-03-27 22:32:58
● 2020-05-07 12:18:54
● 2020-05-14 20:55:56
○ 2026-04-07 09:42:58
○ 2026-08-07 04:09:06

○A104.18.59.12020-05-07 → 2020-05-14 · 5 obs

○ 2019-03-27 22:32:58
● 2020-05-07 12:18:54
● 2020-05-14 20:55:56
○ 2026-04-07 09:42:58
○ 2026-08-07 04:09:06

●A104.21.46.512026-04-07 → 2026-08-07 · 6 obs

○ 2020-05-14 20:55:56
● 2026-04-07 09:42:58
● 2026-05-14 03:36:54
○ 2026-05-17 18:35:42
● 2026-06-30 00:16:34
● 2026-08-07 04:09:06

●A172.67.223.2232026-04-07 → 2026-08-07 · 6 obs

○ 2020-05-14 20:55:56
● 2026-04-07 09:42:58
● 2026-05-14 03:36:54
○ 2026-05-17 18:35:42
● 2026-06-30 00:16:34
● 2026-08-07 04:09:06

○A188.114.96.02026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-14 03:36:54
● 2026-05-17 18:35:42
○ 2026-06-30 00:16:34
○ 2026-08-07 04:09:06

○A188.114.97.02026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-14 03:36:54
● 2026-05-17 18:35:42
○ 2026-06-30 00:16:34
○ 2026-08-07 04:09:06

○A194.12.231.842019-03-27 → 2019-03-27 · 4 obs

○ 2017-02-17 21:07:56
● 2019-03-27 22:32:58
○ 2020-05-07 12:18:54
○ 2026-08-07 04:09:06

●A2606:4700:3030::6815:2e332026-06-30 → 2026-08-07 · 3 obs

○ 2026-05-17 18:35:42
● 2026-06-30 00:16:34
● 2026-08-07 04:09:06

○A2606:4700:3031::6812:3a012020-05-07 → 2020-05-14 · 5 obs

○ 2019-03-27 22:32:58
● 2020-05-07 12:18:54
● 2020-05-14 20:55:56
○ 2026-04-07 09:42:58
○ 2026-08-07 04:09:06

○A2606:4700:3032::6812:3b012020-05-07 → 2020-05-14 · 5 obs

○ 2019-03-27 22:32:58
● 2020-05-07 12:18:54
● 2020-05-14 20:55:56
○ 2026-04-07 09:42:58
○ 2026-08-07 04:09:06

○A2606:4700:3033::6815:2e332026-04-07 → 2026-05-14 · 5 obs

○ 2020-05-14 20:55:56
● 2026-04-07 09:42:58
● 2026-05-14 03:36:54
○ 2026-05-17 18:35:42
○ 2026-08-07 04:09:06

●A2606:4700:3035::ac43:dfdf2026-06-30 → 2026-08-07 · 3 obs

○ 2026-05-17 18:35:42
● 2026-06-30 00:16:34
● 2026-08-07 04:09:06

○A2606:4700:3037::ac43:dfdf2026-04-07 → 2026-05-14 · 5 obs

○ 2020-05-14 20:55:56
● 2026-04-07 09:42:58
● 2026-05-14 03:36:54
○ 2026-05-17 18:35:42
○ 2026-08-07 04:09:06

○A2a06:98c1:3120::2026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-14 03:36:54
● 2026-05-17 18:35:42
○ 2026-06-30 00:16:34
○ 2026-08-07 04:09:06

○A2a06:98c1:3121::2026-05-17 → 2026-05-17 · 4 obs

○ 2026-05-14 03:36:54
● 2026-05-17 18:35:42
○ 2026-06-30 00:16:34
○ 2026-08-07 04:09:06

○A46.226.193.122015-07-04 → 2017-02-17 · 4 obs

● 2015-07-04 03:48:58
● 2017-02-17 21:07:56
○ 2019-03-27 22:32:58
○ 2026-08-07 04:09:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
gr	estia.ics.forth.gr, grdns.ics.forth.gr, gr-d.ics.forth.gr, gr-a.ics.forth.gr...	-
support4students.gr	cash.ns.cloudflare.com, nina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.81

NS records: cash.ns.cloudflare.com, nina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for support4students.gr (unsigned zone)

⏱️ Timing

Total: 1201ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.51, 172.67.223.223`
AAAA	2	`2606:4700:3035::ac43:dfdf, 2606:4700:3030::6815:2e33`
NS	2	`cash.ns.cloudflare.com, nina.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 0), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`v=spf1 +a +mx include:spf.linux53.name-s`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cash.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mail.support4students.gr is a subdomain of support4students.gr.

IP Addresses

support4students.gr directs to four IP numbers, which are 104.21.46.51, 172.67.223.223, 2606:4700:3030::6815:2e33 and 2606:4700:3035::ac43:dfdf.

Among the host names that share IP numbers with support4students.gr are brasseursnumeriques.ca, naga178.club, hostediq.com.au and two others.

Name Servers

The NS records for support4students.gr delegate to cash.ns.cloudflare.com and nina.ns.cloudflare.com.

support4students.gr has the same name server delegation as a number of other domains, such as sublimetext.io, kikonclub.com, lasvegas-games.ro and two more.

The name servers of support4students.gr overlap at least partially with those of other domains — among them linkby.app, islam-russia.com, serenoatr.com and two more.

Host names resolving to 6 IP numbers:

cash.ns.cloudflare.com maps to 108.162.193.81, 172.64.33.81, 173.245.59.81 and 3 additional IP addresses.

nina.ns.cloudflare.com maps to 108.162.192.136, 172.64.32.136, 173.245.58.136 and 3 additional IP addresses.

Mail Servers

Five mail servers handle support4students.gr: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

support4students.gr shares at least some of its mail servers with other domains — for example mgtherapy.com, comperari.com, esperas-santorini.com and two more.

It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for aspmx.l.google.com return 142.251.16.27 and 2607:f8b0:4004:c1f::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1b IP addresses.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.27 IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.