tukuba-con.com - robtex.com
tukuba-con.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.132.65🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-103-58061.vs.sakura.ne.jp | ||||||
| NS | ns1.a163.srvdomestic5259.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 133.242.132.65🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-103-58061.vs.sakura.ne.jp | ||||||
| NS | ns1.creasingly8523.com ⚠️ Not in zone NS records | ||||||
| A | 133.242.132.65🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-103-58061.vs.sakura.ne.jp | ||||||
| NS | ns2.a163.srvdomestic5259.com ⚠️ Not in parent delegation | ||||||
| A | 133.242.132.65🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-103-58061.vs.sakura.ne.jp | ||||||
| NS | ns2.creasingly8523.com ⚠️ Not in zone NS records | ||||||
| A | 133.242.132.65🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-103-58061.vs.sakura.ne.jp | ||||||
| MX | tukuba-con.com ⭐ | ||||||
| A | 133.242.132.65🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-103-58061.vs.sakura.ne.jp | ||||||
| TXT | v=spf1 +a +mx +ip4:133.242.132.65 ~all | ||||||
| SOA | ns1.a163.srvdomestic5259.compostmaster@tukuba-con.com 2024-12-15 #60 | ||||||
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=1776104582 | ||||||
MX for
tukuba-con.com |
Same first word
tukuba-con.com |
DNS History
21 records (6 active, 15 former)
○NSns01.u013jp7480.info2016-11-19 → 2017-06-04 · 5 obs
● 2016-11-19 19:29:12
● 2017-06-04 11:11:58
○ 2026-03-31 00:49:52
○ 2026-04-13 18:33:10
○NSns02.u013jp7480.info2016-11-19 → 2017-06-04 · 5 obs
● 2016-11-19 19:29:12
● 2017-06-04 11:11:58
○ 2026-03-31 00:49:52
○ 2026-04-13 18:33:10
●NSns1.a163.srvdomestic5259.com2026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 00:49:52
● 2026-04-13 18:33:10
●NSns1.creasingly8523.com2026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 00:49:52
● 2026-04-13 18:33:10
○NSns1.sedoparking.com2016-03-31 → 2016-03-31 · 4 obs
● 2016-03-31 11:55:02
○ 2016-11-19 19:29:12
○ 2026-04-13 18:33:10
○NSns1.xserver.jp2015-06-01 → 2015-10-22 · 4 obs
● 2015-10-22 06:27:22
○ 2016-03-31 11:55:02
○ 2026-04-13 18:33:10
●NSns2.a163.srvdomestic5259.com2026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 00:49:52
● 2026-04-13 18:33:10
●NSns2.creasingly8523.com2026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 00:49:52
● 2026-04-13 18:33:10
○NSns2.sedoparking.com2016-03-31 → 2016-03-31 · 4 obs
● 2016-03-31 11:55:02
○ 2016-11-19 19:29:12
○ 2026-04-13 18:33:10
○NSns2.xserver.jp2015-06-01 → 2015-10-22 · 4 obs
● 2015-10-22 06:27:22
○ 2016-03-31 11:55:02
○ 2026-04-13 18:33:10
○NSns3.xserver.jp2015-06-01 → 2015-10-22 · 4 obs
● 2015-10-22 06:27:22
○ 2016-03-31 11:55:02
○ 2026-04-13 18:33:10
○NSns4.xserver.jp2015-06-01 → 2015-10-22 · 4 obs
● 2015-10-22 06:27:22
○ 2016-03-31 11:55:02
○ 2026-04-13 18:33:10
○NSns5.xserver.jp2015-06-01 → 2015-10-22 · 4 obs
● 2015-10-22 06:27:22
○ 2016-03-31 11:55:02
○ 2026-04-13 18:33:10
○MXmail.nickstel.com2016-03-31 → 2016-03-31 · 4 obs
● 2016-03-31 11:55:02
○ 2016-11-19 19:29:12
○ 2026-04-13 18:33:10
○MXmail.tukuba-con.com2015-06-01 → 2015-10-22 · 4 obs
● 2015-10-22 06:27:22
○ 2016-03-31 11:55:02
○ 2026-04-13 18:33:10
●MXtukuba-con.com2016-11-19 → 2026-04-13 · 3 obs
● 2016-11-19 19:29:12
● 2026-04-13 18:33:10
○A124.33.136.1542016-11-19 → 2017-06-04 · 5 obs
● 2016-11-19 19:29:12
● 2017-06-04 11:11:58
○ 2026-03-31 00:49:52
○ 2026-04-13 18:33:10
●A133.242.132.652026-03-31 → 2026-04-13 · 3 obs
● 2026-03-31 00:49:52
● 2026-04-13 18:33:10
○A133.242.21.852015-06-01 → 2015-10-22 · 4 obs
● 2015-10-22 06:27:22
○ 2016-01-04 09:20:36
○ 2026-04-13 18:33:10
○A166.78.103.62016-01-04 → 2016-01-04 · 4 obs
● 2016-01-04 09:20:36
○ 2016-03-31 11:55:02
○ 2026-04-13 18:33:10
○A72.52.4.1192016-03-31 → 2016-03-31 · 4 obs
● 2016-03-31 11:55:02
○ 2016-11-19 19:29:12
○ 2026-04-13 18:33:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tukuba-con.com | ns1.creasingly8523.com, ns2.creasingly8523.com | 2 records |
✅ Authoritative Response
Server:133.242.132.65
NS records: ns1.creasingly8523.com, ns2.creasingly8523.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tukuba-con.com (unsigned zone)
⏱️ Timing
Total: 410ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.132.65 |
| NS | 2 | ns1.a163.srvdomestic5259.com, ns2.a163.srvdomestic5259.com |
| MX | 1 | tukuba-con.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:133.242.132.65 ~all |
| SOA | 1 | ns1.a163.srvdomestic5259.com postmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.creasingly8523.com, ns2.creasingly8523.com)
Analysis
Mail Server Role
For tukuba-con.com, the mail server is tukuba-con.com.
IP Addresses
tukuba-con.com points to a single IP number: 133.242.132.65.
other host names for instance a163.srvdomestic5259.com, williamdepauw.com, ns2.a163.srvdomestic5259.com, vivalavitarestaurant.com and ns2.creasingly8523.com share IP numbers with tukuba-con.com.
Name Servers
tukuba-con.com is delegated to four name servers: ns1.creasingly8523.com, ns2.creasingly8523.com, ns1.a163.srvdomestic5259.com and ns2.a163.srvdomestic5259.com.
tukuba-con.com at least partially shares name servers with other domains, for instance thewomensresourcecenter.org, lechatlibre.com, a163.srvdomestic5259.com, williamdepauw.com and ns2.a163.srvdomestic5259.com.
These name servers are often used with ns1.centos-webpanel.com and ns2.centos-webpanel.com.
Host names using a single IP:
ns1.creasingly8523.com points to: 133.242.132.65
ns2.creasingly8523.com points to: 133.242.132.65
ns1.a163.srvdomestic5259.com points to: 133.242.132.65
ns2.a163.srvdomestic5259.com points to: 133.242.132.65
Host names pointing to 133.242.132.65: ns1.creasingly8523.com, ns2.creasingly8523.com, ns1.a163.srvdomestic5259.com and ns2.a163.srvdomestic5259.com
Mail Servers
One mail server handles tukuba-con.com.
Host name tukuba-con.com points to IP address 133.242.132.65.