s37yw.com - robtex.com
s37yw.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.4🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| NS | dns1.f1.com.tw ⭐ ⚠️ Not in parent delegation | ||||||
| A | 218.32.213.234🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp234.f1.com.tw | ||||||
| NS | dns2.f1.com.tw ⚠️ Not in parent delegation | ||||||
| A | 220.228.6.17🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| NS | ns1.icstock.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.213.228🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp228.f1.com.tw | ||||||
| NS | ns2.icstock.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.210.72🇹🇼 NCIC-TW218.32.210.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp72.f1.com.tw | ||||||
| NS | sp234.f1.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.213.234🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp234.f1.com.tw | ||||||
| MX | s37yw.com ⭐ | ||||||
| A | 220.228.6.4🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.s37yw.com(14) | ||||||
| A | 220.228.6.4🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| SOA | dns1.f1.com.twohgo@ms23.hinet.net 2000-11-01 #8 | ||||||
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=1785521467 | ||||||
MX for
s37yw.com |
Same first word
s37yw.com |
DNS History
8 records (8 active, 0 former)
●NSns1.icstock.com.tw2026-03-30 → 2026-07-31 · 2 obs
● 2026-07-31 18:41:20
●NSns2.icstock.com.tw2026-03-30 → 2026-07-31 · 2 obs
● 2026-07-31 18:41:20
●MXs37yw.com2026-03-30 → 2026-07-31 · 2 obs
● 2026-07-31 18:41:20
●MXwww.s37yw.com2026-03-30 → 2026-07-31 · 2 obs
● 2026-07-31 18:41:20
●A220.228.6.42026-03-30 → 2026-07-31 · 2 obs
● 2026-07-31 18:41:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| s37yw.com | ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw | - |
✅ Authoritative Response
Server:218.32.210.72
NS records: ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for s37yw.com (unsigned zone)
⏱️ Timing
Total: 1339ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.6.4 |
| NS | 2 | dns2.f1.com.tw, dns1.f1.com.tw |
| MX | 2 | s37yw.com (pri: 10), www.s37yw.com (pri: 14) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Mail Server Role
s37yw.com handles its own mail, functioning as its own mail server.
www.s37yw.com and s37yw.com tend to appear jointly as mail servers.
IP Addresses
s37yw.com resolves to just one IP address, 220.228.6.4.
Two other host names, along with 173ek.com, www.u731ww.com and kuk7.com, also share IP numbers with s37yw.com.
Name Servers
s37yw.com delegates to five name servers: dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw and two others.
At least some of s37yw.com's name servers are shared with other domains, for example meme383.com, b0401.com, hy69e.com and two more.
These name servers tend to co-occur with ns1.icstock.com.tw, ns2.icstock.com.tw, ns1.oknet.tw and 3 other name servers in the same DNS delegations.
Host names that point to one IP address:
dns1.f1.com.tw points to the IP address 218.32.213.234.
dns2.f1.com.tw points to the IP address 220.228.6.17.
sp234.f1.com.tw points to the IP address 218.32.213.234.
ns1.icstock.com.tw points to the IP address 218.32.213.228.
ns2.icstock.com.tw points to the IP address 218.32.210.72.
These two host names — dns1.f1.com.tw and sp234.f1.com.tw — each point to 218.32.213.234 IP addresses.
Mail Servers
Two mail servers handle s37yw.com: s37yw.com and www.s37yw.com.
s37yw.com and www.s37yw.com share one IP address between them — 220.228.6.4.
These two host names — s37yw.com and www.s37yw.com — each point to 220.228.6.4 IP addresses.