oitk.gr - dns.ninja

oitk.gr

DNSSEC⚠️ Not signed
A2a01:4f8:261:4d9c::1118🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A142.132.201.123🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
NSctubuntu2.tserts.com ⭐
NSctubuntu.tserts.com
A2a01:4f8:261:4d9c::1002🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRctubuntu.tserts.com
A142.132.201.123🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
PTRctubuntu.tserts.com
SOActubuntu.tserts.comroot@ctubuntu.tserts.com 2025-06-08 #1

gr

DNSSEC🔒 Signed (DS record present)
NSgrdns.ics.forth.gr ⭐
NSestia.ics.forth.gr
NSgr-a.ics.forth.gr ⚠️ Not in parent delegation
NSgr-at.ics.forth.gr
NSgr-c.ics.forth.gr ⚠️ Not in zone NS records
NSgr-d.ics.forth.gr
NSgr-m.ics.forth.gr
SOAgrdns.ics.forth.grhmaster-info@ics.forth.gr serial=2607070991

Same first word

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DNS History

15 records (4 active, 11 former)

20162017201820192020202120222023202420252026NSctubuntu.tserts.comctubuntu2.tserts.comns1.ihostasp.netns2.ihostasp.netns3.ihostasp.netns3.tserts.infons4.tserts.infoMXcle02mxgw01.winsvr.netcle02mxgw02.winsvr.netmail.oitk.grA142.132.201.1232a01:4f8:261:4d9c::1118176.9.122.42a01:4f8:151:8103::325.9.123.47
●NSctubuntu.tserts.com2026-03-05 → 2026-07-07 · 3 obs
○ 2017-02-08 09:04:40
● 2026-03-05 07:10:32
● 2026-07-07 12:48:12
●NSctubuntu2.tserts.com2026-03-05 → 2026-07-07 · 3 obs
○ 2017-02-08 09:04:40
● 2026-03-05 07:10:32
● 2026-07-07 12:48:12
○NSns1.ihostasp.net2015-05-19 → 2016-01-14 · 4 obs
● 2015-05-19 16:13:44
● 2016-01-14 17:32:34
○ 2016-03-30 11:41:32
○ 2026-07-07 12:48:12
○NSns2.ihostasp.net2015-05-19 → 2016-01-14 · 4 obs
● 2015-05-19 16:13:44
● 2016-01-14 17:32:34
○ 2016-03-30 11:41:32
○ 2026-07-07 12:48:12
○NSns3.ihostasp.net2015-05-19 → 2015-05-19 · 3 obs
● 2015-05-19 16:13:44
○ 2015-10-29 06:23:10
○ 2026-07-07 12:48:12
○NSns3.tserts.info2016-03-30 → 2017-02-08 · 5 obs
○ 2016-01-14 17:32:34
● 2016-03-30 11:41:32
● 2017-02-08 09:04:40
○ 2026-03-05 07:10:32
○ 2026-07-07 12:48:12
○NSns4.tserts.info2016-03-30 → 2017-02-08 · 5 obs
○ 2016-01-14 17:32:34
● 2016-03-30 11:41:32
● 2017-02-08 09:04:40
○ 2026-03-05 07:10:32
○ 2026-07-07 12:48:12
○MXcle02mxgw01.winsvr.net2015-10-29 → 2016-01-14 · 5 obs
○ 2015-05-19 16:13:44
● 2015-10-29 06:23:10
● 2016-01-14 17:32:34
○ 2016-03-30 11:41:32
○ 2026-07-07 12:48:12
○MXcle02mxgw02.winsvr.net2015-10-29 → 2016-01-14 · 5 obs
○ 2015-05-19 16:13:44
● 2015-10-29 06:23:10
● 2016-01-14 17:32:34
○ 2016-03-30 11:41:32
○ 2026-07-07 12:48:12
○MXmail.oitk.gr2015-05-19 → 2017-02-08 · 4 obs
● 2015-05-19 16:13:44
● 2017-02-08 09:04:40
○ 2026-03-05 07:10:32
○ 2026-07-07 12:48:12
●A142.132.201.1232026-03-05 → 2026-07-07 · 3 obs
○ 2017-02-08 09:04:40
● 2026-03-05 07:10:32
● 2026-07-07 12:48:12
○A176.9.122.42016-03-30 → 2017-02-08 · 5 obs
○ 2016-01-14 17:32:34
● 2016-03-30 11:41:32
● 2017-02-08 09:04:40
○ 2026-03-05 07:10:32
○ 2026-07-07 12:48:12
○A2a01:4f8:151:8103::322016-03-30 → 2017-02-08 · 5 obs
○ 2016-01-14 17:32:34
● 2016-03-30 11:41:32
● 2017-02-08 09:04:40
○ 2026-03-05 07:10:32
○ 2026-07-07 12:48:12
●A2a01:4f8:261:4d9c::11182026-03-05 → 2026-07-07 · 3 obs
○ 2017-02-08 09:04:40
● 2026-03-05 07:10:32
● 2026-07-07 12:48:12
○A5.9.123.472015-05-19 → 2016-01-14 · 4 obs
● 2015-05-19 16:13:44
● 2016-01-14 17:32:34
○ 2016-03-30 11:41:32
○ 2026-07-07 12:48:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
grgr-c.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr, estia.ics.forth.gr...10 records
oitk.grctubuntu.tserts.com, ctubuntu2.tserts.com-

✅ Authoritative Response

Server:142.132.201.123

NS records: ctubuntu.tserts.com, ctubuntu2.tserts.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oitk.gr (unsigned zone)

⏱️ Timing

Total: 2052ms | Queries: -

📄 Records

TypeCountSample Data
A1142.132.201.123
AAAA12a01:4f8:261:4d9c::1118
NS2ctubuntu2.tserts.com, ctubuntu.tserts.com
SOA1ctubuntu.tserts.com root.ctubuntu.tserts

📌 Glue Records Collected

Total: 10

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

Analysis

IP Addresses

oitk.gr directs to two IP numbers, 142.132.201.123 and 2a01:4f8:261:4d9c::1118

Two other host names, along with ubuntu8.tserts.org, ns6.tserts.org and villaskopelos.gr, also share IP numbers with oitk.gr.

Name Servers

The NS records for oitk.gr delegate to ctubuntu2.tserts.com and ctubuntu.tserts.com.

oitk.gr shares its NS records with other domains, for example ado.gr, eikonika.net, texnomet.gr and two others.

Some of oitk.gr's name servers are also used by other domains, including kidsbooks.gr, ctubuntu2.tserts.com, ctubuntu.tserts.com and polidis.gr.

These name servers often co-occur with the name servers ctubuntu2b.tserts.com.

Host names that have two IP addresses:

The A records for ctubuntu.tserts.com return 142.132.201.123 and 2a01:4f8:261:4d9c::1002.