seo1.tw - robtex.com
seo1.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.249.109.51🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | ssdserver03.twservers.net | ||||||
| NS | ns1.webdsn.net ⭐ | ||||||
| A | 60.249.109.23🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 60-249-109-23.hinet-ip.hinet.net | ||||||
| NS | ns2.webdsn.net | ||||||
| A | 60.249.109.25🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 60-249-109-25.hinet-ip.hinet.net | ||||||
| MX | seo1.tw ⭐ | ||||||
| A | 60.249.109.51🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | ssdserver03.twservers.net | ||||||
| SOA | ns1.webdsn.netifweb@hotmail.com 2026-07-07 #1 | ||||||
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=2011038572 | ||||||
MX for
seo1.tw |
Same first word
seo1.org |
seo1.ca |
seo1.tw |
seo1.eu |
seo1.es |
seo1.lt |
seo1.com.mx |
seo1.ir |
seo1.au |
seo1.ph |
seo1.pro |
seo1.at |
seo1.cz |
seo1.com |
seo1.ru |
seo1.su |
seo1.com.tw |
seo1.com.br |
seo1.in |
seo1.net |
seo1.fr |
seo1.gr |
seo1.de |
seo1.pk |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns1.webdsn.net2026-06-14 → 2026-07-26 · 3 obs
● 2026-06-14 08:07:50
● 2026-07-26 00:39:12
●NSns2.webdsn.net2026-06-14 → 2026-07-26 · 3 obs
● 2026-06-14 08:07:50
● 2026-07-26 00:39:12
○NSns5.twservers.net2015-07-11 → 2016-11-25 · 4 obs
● 2016-11-25 10:31:46
○ 2026-06-14 08:07:50
○ 2026-07-26 00:39:12
○NSns6.twservers.net2015-07-11 → 2016-11-25 · 4 obs
● 2016-11-25 10:31:46
○ 2026-06-14 08:07:50
○ 2026-07-26 00:39:12
○MXmail.seo1.tw2015-07-11 → 2016-11-25 · 4 obs
● 2016-11-25 10:31:46
○ 2026-06-14 08:07:50
○ 2026-07-26 00:39:12
●MXseo1.tw2026-06-14 → 2026-07-26 · 3 obs
● 2026-06-14 08:07:50
● 2026-07-26 00:39:12
○A60.249.109.302015-07-11 → 2016-11-25 · 4 obs
● 2016-11-25 10:31:46
○ 2026-06-14 08:07:50
○ 2026-07-26 00:39:12
●A60.249.109.512026-06-14 → 2026-07-26 · 3 obs
● 2026-06-14 08:07:50
● 2026-07-26 00:39:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | d.dns.tw, g.dns.tw, c.dns.tw, h.dns.tw... | - |
| seo1.tw | ns1.webdsn.net, ns2.webdsn.net | - |
✅ Authoritative Response
Server:60.249.109.25
NS records: ns1.webdsn.net, ns2.webdsn.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seo1.tw (unsigned zone)
⏱️ Timing
Total: 2269ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.249.109.51 |
| NS | 2 | ns2.webdsn.net, ns1.webdsn.net |
| MX | 1 | seo1.tw (pri: 0) |
| SOA | 1 | ns1.webdsn.net ifweb.hotmail.com |
Analysis
Mail Server Role
seo1.tw handles its own mail, functioning as its own mail server.
IP Addresses
seo1.tw resolves to just one IP address, 60.249.109.51.
Two other host names, along with ifd1.net, my05.com.tw and shtoursusa.com, also share IP numbers with seo1.tw.
Name Servers
seo1.tw is delegated to two name servers: ns1.webdsn.net and ns2.webdsn.net.
seo1.tw shares its NS records with other domains, for example karson.com.tw, tongx.com.tw, greendict.com and two others.
There is at least partial name server overlap between seo1.tw and other domains — toneteck.com, yon-don.com, vj007.com and two more among them.
These name servers regularly appear alongside ns3.twservers.net, ns4.twservers.net, rdns001.twservers.net and 5 other name servers in NS record sets.
ns1.webdsn.net → 60.249.109.23 and ns2.webdsn.net → 60.249.109.25: one IP number per host name.
Mail Servers
seo1.tw is served by just one mail server: seo1.tw.
seo1.tw resolves to a single IP number: 60.249.109.51.