expo.tw - robtex.com
expo.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.162.91.36🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | taigadit.com | ||||||
| NS | ns1.osdog.com ⭐ | ||||||
| A | 139.162.81.35🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | ns1.osdog.com | ||||||
| NS | ns2.osdog.com ⚠️ Not in zone NS records | ||||||
| A | 139.162.3.206🇸🇬 AKAMAI-LINODE-AP139.162.0.0/19 Akamai Technologies | ||||||
| PTR | ns2.osdog.com | ||||||
| SOA | ns1.osdog.comadmin@osdog.com 2026-04-24 #8 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw serial=2011004422 | ||||||
Previously MX for
expo.tw |
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
●NSns1.osdog.com2026-04-15 → 2026-04-24 · 3 obs
● 2026-04-15 08:01:26
● 2026-04-24 09:10:18
●NSns2.osdog.com2026-04-15 → 2026-04-24 · 3 obs
● 2026-04-15 08:01:26
● 2026-04-24 09:10:18
○NSrsdn1.octor.com2015-08-22 → 2016-12-28 · 4 obs
● 2016-12-28 20:07:50
○ 2026-02-23 10:26:32
○ 2026-04-24 09:10:18
○NSrsdn2.octor.com2015-08-22 → 2016-12-28 · 4 obs
● 2016-12-28 20:07:50
○ 2026-02-23 10:26:32
○ 2026-04-24 09:10:18
○MXexpo.tw2015-08-22 → 2016-06-16 · 4 obs
● 2016-06-16 21:13:16
○ 2016-08-12 12:40:56
○ 2026-04-24 09:10:18
○A114.34.18.32015-08-22 → 2016-06-16 · 4 obs
● 2016-06-16 21:13:16
○ 2016-08-12 12:40:56
○ 2026-04-24 09:10:18
○A122.117.81.2162016-08-12 → 2016-12-28 · 5 obs
● 2016-08-12 12:40:56
● 2016-12-28 20:07:50
○ 2026-02-23 10:26:32
○ 2026-04-24 09:10:18
●A139.162.91.362026-04-15 → 2026-04-24 · 3 obs
● 2026-04-15 08:01:26
● 2026-04-24 09:10:18
○A61.216.111.822016-08-12 → 2016-12-28 · 5 obs
● 2016-08-12 12:40:56
● 2016-12-28 20:07:50
○ 2026-02-23 10:26:32
○ 2026-04-24 09:10:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| expo.tw | ns2.osdog.com, ns1.osdog.com | - |
✅ Authoritative Response
Server:139.162.81.35
NS records: ns2.osdog.com, ns1.osdog.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expo.tw (unsigned zone)
⏱️ Timing
Total: 1953ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.162.91.36 |
| NS | 1 | ns1.osdog.com |
| SOA | 1 | ns1.osdog.com admin.osdog.com |
Analysis
IP Addresses
expo.tw points to IP number: 139.162.91.36.
Other host names such as dajiade.com, ns1.view.tw, xn--n9st3uymo.tw, xn--u9jz52kxvbrz7g.com and xn--u9j2g0gjb.jp share IPs with expo.tw.
Name Servers
expo.tw is delegated to two name servers: ns1.osdog.com and ns2.osdog.com.
expo.tw shares the same name server setup as basketball.tw, xn--7dt853chqp.com, pg.com.tw, hotpot.com.tw and xn--u9j3hxd0f.com.
expo.tw shares name servers with other domains, at least partially, for example xn--u9jw47it6s.jp, xn--u9ja3d.jp and xn--u9j2g0gjb.jp as well as xn--u9j710pbcw.jp.
these name servers are often used in conjunction with the name servers ns3.osdog.com.
Host names with a single IP:
ns1.osdog.com points to 139.162.81.35.
ns2.osdog.com points to 139.162.3.206.