ndtonline.com - robtex.com
ndtonline.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.247.59.43🇯🇵 BIGLOBE202.247.0.0/17 CIDR BLOCK 2 | ||||||
| NS | dns101-1.jp1.ecl.ntt.com ⭐ | ||||||
| A | 153.153.145.99🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 153-153-145-99-revip-default.145.153.153.in-addr.arpa | ||||||
| NS | dns101-2.uk1.ecl.ntt.com | ||||||
| A | 153.153.171.18🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 153-153-171-18-revip-jp2-default.171.153.153.in-addr.arpa | ||||||
| NS | dns101-3.us1.ecl.ntt.com | ||||||
| A | 180.12.186.2🇯🇵 OCN180.0.0.0/10 (AS4713) CIDR BLOCK 89 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 180-12-186-2-revip-jp5-default.186.12.180.in-addr.arpa | ||||||
| NS | dns101-4.sg1.ecl.ntt.com | ||||||
| A | 180.55.77.106🇯🇵 OCN180.0.0.0/10 (AS4713) CIDR BLOCK 89 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | 180-55-77-106-revip-jp6-default.77.55.180.in-addr.arpa | ||||||
| MX | mta.ndtonline.com ⭐ | ||||||
| A | 202.247.59.43🇯🇵 BIGLOBE202.247.0.0/17 CIDR BLOCK 2 | ||||||
| TXT | v=spf1 include:spf01.email.s-idc.net ~all | ||||||
| SOA | dns101-1.jp1.ecl.ntt.comecl@ntt.com serial=1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786906539 | ||||||
Subdomains
Same first word
ndtonline.com |
ndtonline.ir |
Similar names
dntonline.com.br |
dntonline.com |
tdnonline.com |
onlinendt.com |
lindenton.de |
ntdonline.com |
dtnonline.com |
onlinedtn.com |
tndonline.com.br |
DNS History
12 records (6 active, 6 former)
●NSdns101-1.jp1.ecl.ntt.com2026-04-04 → 2026-08-16 · 3 obs
● 2026-04-04 11:59:40
● 2026-08-16 19:01:54
●NSdns101-2.uk1.ecl.ntt.com2026-04-04 → 2026-08-16 · 3 obs
● 2026-04-04 11:59:40
● 2026-08-16 19:01:54
●NSdns101-3.us1.ecl.ntt.com2026-04-04 → 2026-08-16 · 3 obs
● 2026-04-04 11:59:40
● 2026-08-16 19:01:54
●NSdns101-4.sg1.ecl.ntt.com2026-04-04 → 2026-08-16 · 3 obs
● 2026-04-04 11:59:40
● 2026-08-16 19:01:54
○NSns-225.dns.jp-e1.cloudn-service.com2018-08-19 → 2018-08-19 · 4 obs
● 2018-08-19 06:37:08
○ 2026-04-04 11:59:40
○ 2026-08-16 19:01:54
○NSns-226.dns.jp-w1.cloudn-service.com2018-08-19 → 2018-08-19 · 4 obs
● 2018-08-19 06:37:08
○ 2026-04-04 11:59:40
○ 2026-08-16 19:01:54
○NSns-227.dns.us-e1.cloudn-service.com2018-08-19 → 2018-08-19 · 4 obs
● 2018-08-19 06:37:08
○ 2026-04-04 11:59:40
○ 2026-08-16 19:01:54
○NSns.buydomains.com2015-06-16 → 2017-02-06 · 4 obs
● 2017-02-06 09:38:44
○ 2018-08-19 06:37:08
○ 2026-08-16 19:01:54
●MXmta.ndtonline.com2018-08-19 → 2026-08-16 · 2 obs
● 2026-08-16 19:01:54
●A202.247.59.432018-08-19 → 2026-08-16 · 3 obs
● 2018-08-19 06:37:08
● 2026-08-16 19:01:54
○A207.148.248.1432017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 09:38:44
○ 2018-08-19 06:37:08
○ 2026-08-16 19:01:54
○A50.63.202.1042015-06-16 → 2016-06-19 · 4 obs
● 2016-06-19 05:48:42
○ 2017-02-06 09:38:44
○ 2026-08-16 19:01:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ndtonline.com | dns101-1.jp1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com, dns101-3.us1.ecl.ntt.com, dns101-4.sg1.ecl.ntt.com | 4 records |
✅ Authoritative Response
Server:153.153.171.18
NS records: dns101-1.jp1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com, dns101-3.us1.ecl.ntt.com, dns101-4.sg1.ecl.ntt.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ndtonline.com (unsigned zone)
⏱️ Timing
Total: 537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.247.59.43 |
| NS | 4 | dns101-1.jp1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com... |
| MX | 1 | mta.ndtonline.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf01.email.s-idc.net ~al |
| SOA | 1 | dns101-1.jp1.ecl.ntt.com ecl.ntt.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns101-1.jp1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com, dns101-3.us1.ecl.ntt.com...)
Analysis
Hierarchy
ndtonline.com serves as the parent of mta.ndtonline.com and www.ndtonline.com.
IP Addresses
ndtonline.com has exactly one IP address — 202.247.59.43.
Further host names like mta.ndtonline.com and www.ndtonline.com overlap in IP numbers with ndtonline.com.
Name Servers
Four name servers handle the delegation for ndtonline.com: dns101-1.jp1.ecl.ntt.com, dns101-4.sg1.ecl.ntt.com, dns101-2.uk1.ecl.ntt.com and dns101-3.us1.ecl.ntt.com.
There is at least partial name server overlap between ndtonline.com and other domains — sugi-net.jp, ckp.co.jp, synztec.co.jp and two more among them.
Four host names, each with one IP address: dns101-1.jp1.ecl.ntt.com has 153.153.145.99, dns101-4.sg1.ecl.ntt.com has 180.55.77.106, dns101-2.uk1.ecl.ntt.com has 153.153.171.18 and dns101-3.us1.ecl.ntt.com has 180.12.186.2.
Mail Servers
ndtonline.com uses one mail server — mta.ndtonline.com.
mta.ndtonline.com directs to just one IP number, 202.247.59.43.