zeroone.gr - dns.ninja

`zeroone.gr`

DNSSEC	⚠️ Not signed
A	65.21.44.243^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}
		PTR	`evri.hosting4u.eu`
NS	`ns20.zeroone.net` ⭐
		A	65.21.44.232^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}
			PTR	`ns20.zeroone.net`
NS	`ns30.zeroone.net`
		A	65.21.44.250^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}
			PTR	`ns30.zeroone.net`
MX	`zeroone-gr.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
TXT	`v=spf1 +a +mx +ip4:65.21.44.243 +ip4:65.109.158.189 +ip4:135.181.118.99 +incl...`
SOA	`ns20.zeroone.net`hostmaster@zeroone.gr 2026-06-05 #1

`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=2607071891

WOT: SAFE (75/100)

Subdomains

www.zeroone.gr

mail.zeroone.gr

Same first word

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zeroone.co.nz

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zeroone.info

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zeroone.me

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DNS History

14 records (4 active, 10 former)

●NSns20.zeroone.net2026-05-30 → 2026-07-07 · 3 obs

○ 2026-05-14 05:20:20
● 2026-05-30 02:20:08
● 2026-07-07 20:51:16

○NSns3.zeroone.net2015-07-09 → 2016-08-31 · 4 obs

● 2015-07-09 23:00:20
● 2016-08-31 10:27:58
○ 2016-09-23 09:42:38
○ 2026-07-07 20:51:16

●NSns30.zeroone.net2026-05-30 → 2026-07-07 · 3 obs

○ 2026-05-14 05:20:20
● 2026-05-30 02:20:08
● 2026-07-07 20:51:16

○NSns4.zeroone.net2015-07-09 → 2016-08-31 · 4 obs

● 2015-07-09 23:00:20
● 2016-08-31 10:27:58
○ 2016-09-23 09:42:38
○ 2026-07-07 20:51:16

○NSns7.zeroone.net2016-09-23 → 2026-05-14 · 5 obs

○ 2016-08-31 10:27:58
● 2016-09-23 09:42:38
● 2026-05-14 05:20:20
○ 2026-05-30 02:20:08
○ 2026-07-07 20:51:16

○NSns8.zeroone.net2016-09-23 → 2026-05-14 · 5 obs

○ 2016-08-31 10:27:58
● 2016-09-23 09:42:38
● 2026-05-14 05:20:20
○ 2026-05-30 02:20:08
○ 2026-07-07 20:51:16

○MXmail.zeroone.eu2015-07-09 → 2015-09-11 · 4 obs

● 2015-07-09 23:00:20
● 2015-09-11 11:02:34
○ 2015-12-13 03:45:30
○ 2026-07-07 20:51:16

○MXmx3.zeroone.gr2015-12-13 → 2016-12-04 · 5 obs

○ 2015-09-11 11:02:34
● 2015-12-13 03:45:30
● 2016-12-04 05:46:52
○ 2026-03-08 17:34:48
○ 2026-07-07 20:51:16

○MXns3.zeroone.net2015-12-13 → 2016-01-26 · 5 obs

○ 2015-09-11 11:02:34
● 2015-12-13 03:45:30
● 2016-01-26 11:16:44
○ 2016-03-22 02:48:00
○ 2026-07-07 20:51:16

●MXzeroone-gr.mail.protection.outlook.com2026-03-08 → 2026-07-07 · 3 obs

○ 2016-12-04 05:46:52
● 2026-03-08 17:34:48
● 2026-07-07 20:51:16

○A138.201.128.982016-09-23 → 2016-12-04 · 5 obs

○ 2016-08-31 10:27:58
● 2016-09-23 09:42:38
● 2016-12-04 05:46:52
○ 2026-03-08 17:34:48
○ 2026-07-07 20:51:16

○A46.4.116.1012015-07-09 → 2016-08-31 · 4 obs

● 2015-07-09 23:00:20
● 2016-08-31 10:27:58
○ 2016-09-23 09:42:38
○ 2026-07-07 20:51:16

○A65.109.158.1892026-03-08 → 2026-07-07 · 2 obs

○ 2026-03-08 17:34:48
○ 2026-07-07 20:51:16

●A65.21.44.2432026-03-08 → 2026-07-07 · 3 obs

○ 2016-12-04 05:46:52
● 2026-03-08 17:34:48
● 2026-07-07 20:51:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
gr	gr-d.ics.forth.gr, gr-at.ics.forth.gr, estia.ics.forth.gr, gr-a.ics.forth.gr...	10 records
zeroone.gr	ns20.zeroone.net, ns30.zeroone.net	-

✅ Authoritative Response

Server:65.21.44.250

NS records: ns20.zeroone.net, ns30.zeroone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zeroone.gr (unsigned zone)

⏱️ Timing

Total: 1263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`65.21.44.243`
NS	2	`ns30.zeroone.net, ns20.zeroone.net`
MX	1	`zeroone-gr.mail.protection.outlook.com (`
TXT	1	`v=spf1 +a +mx +ip4:65.21.44.243 +ip4:65.`
SOA	1	`ns20.zeroone.net hostmaster.zeroone.gr`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (gr-a.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr...)

Analysis

Hierarchy

www.zeroone.gr and mail.zeroone.gr are both subdomains of zeroone.gr.

IP Addresses

zeroone.gr resolves to one IP address: 65.21.44.243.

odesus.gr, 4u.gr, ns10.zeroone.net and two other host names share IP numbers with zeroone.gr.

Name Servers

zeroone.gr has two authoritative name servers — ns20.zeroone.net and ns30.zeroone.net.

zeroone.gr uses the same name servers as several other domains — among them msgseafood.com, asaridis.gr, 4u.gr and two more.

The name servers for zeroone.gr overlap at least partially with those of other domains — for example mytilos.com.

These name servers tend to be deployed in combination with the name servers ns3.madpc.gr and ns4.madpc.gr.

Each of ns20.zeroone.net and ns30.zeroone.net has one IP address: ns20.zeroone.net uses 65.21.44.232 and ns30.zeroone.net uses 65.21.44.250.

Mail Servers

Mail for zeroone.gr is handled by a single mail server, zeroone-gr.mail.protection.outlook.com.

zeroone-gr.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.25, 52.101.73.2, 52.101.73.11 and 5 others.