nttdata.gr - dns.ninja
nttdata.gr
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.grhmaster-info@ics.forth.gr serial=2608141591 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSns1.cirquent.de2015-08-29 → 2026-08-14 · 2 obs
● 2026-08-14 18:06:12
○NSns1.netnames.net2015-08-29 → 2026-06-12 · 7 obs
● 2019-11-27 14:30:34
○ 2026-03-24 16:00:46
○ 2026-05-09 07:27:04
● 2026-06-12 12:48:06
○ 2026-08-02 02:11:50
○ 2026-08-14 18:06:12
●NSns2.cirquent.de2015-08-29 → 2026-08-14 · 2 obs
● 2026-08-14 18:06:12
○NSns2.netnames.net2015-08-29 → 2026-06-12 · 7 obs
● 2019-11-27 14:30:34
○ 2026-03-24 16:00:46
○ 2026-05-09 07:27:04
● 2026-06-12 12:48:06
○ 2026-08-02 02:11:50
○ 2026-08-14 18:06:12
●NSns5.netnames.net2026-03-24 → 2026-08-14 · 3 obs
● 2026-03-24 16:00:46
● 2026-08-14 18:06:12
●NSns6.netnames.net2026-03-24 → 2026-08-14 · 3 obs
● 2026-03-24 16:00:46
● 2026-08-14 18:06:12
●MXcluster6.us.messagelabs.com2016-03-15 → 2026-08-14 · 9 obs
● 2016-03-15 00:31:18
● 2019-11-27 14:30:34
○ 2026-03-24 16:00:46
○ 2026-03-31 14:59:42
● 2026-05-09 07:27:04
○ 2026-06-12 12:48:06
● 2026-07-01 10:23:46
● 2026-08-14 18:06:12
●MXcluster6a.us.messagelabs.com2016-03-15 → 2026-08-14 · 9 obs
● 2016-03-15 00:31:18
● 2019-11-27 14:30:34
○ 2026-03-24 16:00:46
○ 2026-03-31 14:59:42
● 2026-05-09 07:27:04
○ 2026-06-12 12:48:06
● 2026-07-01 10:23:46
● 2026-08-14 18:06:12
○MXmuc-mta-01.cirquent.de2015-08-29 → 2015-11-26 · 4 obs
● 2015-11-26 13:20:50
○ 2016-03-15 00:31:18
○ 2026-08-14 18:06:12
○MXmuc-mta-02.cirquent.de2015-08-29 → 2015-11-26 · 4 obs
● 2015-11-26 13:20:50
○ 2016-03-15 00:31:18
○ 2026-08-14 18:06:12
○A213.198.51.202019-11-27 → 2026-07-01 · 9 obs
● 2019-11-27 14:30:34
○ 2026-03-24 16:00:46
○ 2026-03-26 15:10:12
● 2026-03-27 18:54:28
○ 2026-03-29 09:00:32
○ 2026-06-12 12:48:06
● 2026-07-01 10:23:46
○ 2026-08-14 18:06:12
○A83.231.254.652015-08-29 → 2017-04-04 · 4 obs
● 2017-04-04 08:24:06
○ 2019-11-27 14:30:34
○ 2026-08-14 18:06:12
🔍 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... | - |
| nttdata.gr | ns2.cirquent.de, ns5.netnames.net, ns6.netnames.net, ns1.cirquent.de | - |
✅ Authoritative Response
Server:141.77.150.32
NS records: ns2.cirquent.de, ns5.netnames.net, ns6.netnames.net, ns1.cirquent.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nttdata.gr (unsigned zone)
⏱️ Timing
Total: 1555ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.cirquent.de, ns1.netnames.net... |
| MX | 2 | cluster6.us.messagelabs.com (pri: 10), cluster6a.us.messagelabs.com (pri: 20) |
| SOA | 1 | ns1.cirquent.de hostmaster.cirquent.de |
Analysis
Name Servers
The authoritative name servers for nttdata.gr are ns1.cirquent.de, ns2.cirquent.de, ns5.netnames.net and ns6.netnames.net.
There is at least partial name server overlap between nttdata.gr and other domains — trainguard.biz, houseofbeauty.de, asos.sg and two more among them.
These name servers frequently co-occur with the name servers ns1.netnames.net and ns2.netnames.net.
Hostnames that resolve to two IP addresses:
The A records for ns5.netnames.net return 156.154.130.100 and 2610:a1:1022::100.
The A records for ns6.netnames.net return 156.154.131.100 and 2610:a1:1023::100.
Hosts with just one IP address:
ns1.cirquent.de resolves to the IP address 141.77.150.31.
ns2.cirquent.de resolves to the IP address 141.77.150.32.
Mail Servers
Mail for nttdata.gr is handled by two mail servers — cluster6.us.messagelabs.com and cluster6a.us.messagelabs.com.
nttdata.gr uses an identical mail server configuration to several other domains — among them nkiac.co.jp, transitsales.com, ntt-data.at and two more.
nttdata.gr has at least partial mail server overlap with other domains such as eckankar.org, hermes-oi.com, goelet.net and two more.
Hostnames that resolve to three IP addresses:
cluster6.us.messagelabs.com maps to three IP addresses: 67.219.246.217, 67.219.247.196 and 67.219.250.213.
Hosts with just one IP address:
cluster6a.us.messagelabs.com resolves to the IP address 34.75.172.113.