ceruleantower.com - robtex.com
ceruleantower.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.forbiz.jp ⭐ | ||||||
| A | 175.177.1.241🇯🇵 iTSCOM175.177.0.0/16 .net its communications Inc. 541-1 Ichigao-chou, Aoba-ku Yokohama-shi, Kanagawa 225-0024 Japan | ||||||
| PTR | ns2.forbiz.jp | ||||||
| NS | ns3.forbiz.jp | ||||||
| A | 175.177.1.55🇯🇵 iTSCOM175.177.0.0/16 .net its communications Inc. 541-1 Ichigao-chou, Aoba-ku Yokohama-shi, Kanagawa 225-0024 Japan | ||||||
| PTR | ns3.forbiz.jp | ||||||
| MX | mx01.ceruleantower.com ⭐ | ||||||
| A | 210.253.216.78🇯🇵 iTSCOM210.253.208.0/20 .net its communications Inc. 541-1 Ichigao-chou, Aoba-ku Yokohama-shi, Kanagawa 225-0024 Japan | ||||||
| PTR | mx01.forbiz.jp | ||||||
| TXT | v=spf1 include:spf01.forbiz.jp ~all | ||||||
| SOA | ns2.forbiz.jppostmaster@forbiz.jp 2023-07-13 #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=1784494617 | ||||||
Subdomains
Same first word
ceruleantower.com |
DNS History
7 records (3 active, 4 former)
○NSdns0.246.ne.jp2015-08-20 → 2017-01-22 · 4 obs
● 2017-01-22 13:22:04
○ 2026-02-23 04:36:36
○ 2026-07-19 21:14:54
○NSns0.forbiz.jp2015-08-20 → 2017-01-22 · 4 obs
● 2017-01-22 13:22:04
○ 2026-02-23 04:36:36
○ 2026-07-19 21:14:54
○NSns1.forbiz.jp2015-08-20 → 2017-01-22 · 4 obs
● 2017-01-22 13:22:04
○ 2026-02-23 04:36:36
○ 2026-07-19 21:14:54
●NSns2.forbiz.jp2026-02-23 → 2026-07-19 · 3 obs
● 2026-02-23 04:36:36
● 2026-07-19 21:14:54
●NSns3.forbiz.jp2026-02-23 → 2026-07-19 · 3 obs
● 2026-02-23 04:36:36
● 2026-07-19 21:14:54
○MXmail.ceruleantower.com2015-08-20 → 2016-06-02 · 4 obs
● 2016-06-02 17:20:42
○ 2016-12-08 08:52:22
○ 2026-07-19 21:14:54
●MXmx01.ceruleantower.com2016-12-08 → 2026-07-19 · 3 obs
● 2016-12-08 08:52:22
● 2026-07-19 21:14:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ceruleantower.com | ns2.forbiz.jp, ns3.forbiz.jp | - |
✅ Authoritative Response
Server:175.177.1.55
NS records: ns2.forbiz.jp, ns3.forbiz.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ceruleantower.com (unsigned zone)
⏱️ Timing
Total: 962ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns3.forbiz.jp, ns2.forbiz.jp |
| MX | 1 | mx01.ceruleantower.com (pri: 100) |
| TXT | 1 | v=spf1 include:spf01.forbiz.jp ~all |
| SOA | 1 | ns2.forbiz.jp postmaster.forbiz.jp |
Analysis
Hierarchy
ceruleantower.com is a parent domain, with mx01.ceruleantower.com, mail.ceruleantower.com and sv.ceruleantower.com beneath it.
Name Servers
DNS delegation for ceruleantower.com points to two name servers: ns2.forbiz.jp and ns3.forbiz.jp.
ceruleantower.com uses the same name servers as several other domains — among them tokyupointmall.com, 109s.jp, 106.103.219.in-addr.arpa and two more.
ceruleantower.com has at least partial name server overlap with other domains, such as city.shinagawa.tokyo.jp, mics.city.shinagawa.tokyo.jp, 200.45.218.in-addr.arpa and two others.
It is common to see these name servers used together with name servers ns4.city.shinagawa.tokyo.jp and ns.city.shinagawa.tokyo.jp.
ns2.forbiz.jp directs to 175.177.1.241 and ns3.forbiz.jp directs to 175.177.1.55; each host name points to exactly one IP number.
Mail Servers
Mail for ceruleantower.com is handled by a single mail server, mx01.ceruleantower.com.
mx01.ceruleantower.com has exactly one IP number: 210.253.216.78.