t520t.com - robtex.com
t520t.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.199.235.183🇹🇼 TFN-NET60.199.235.0/24 Taiwan Fixed Network | ||||||
| PTR | 60-199-235-183.static.tfn.net.tw | ||||||
| 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 | sf243.f1.com.tw ⚠️ Not in zone NS records | ||||||
| A | 220.228.6.17🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| 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 | ||||||
| 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=1785650307 | ||||||
Previously MX for
t520t.com |
Subdomains
www.t520t.com |
Same first word
t520t.com |
Similar names
DNS History
7 records (5 active, 2 former)
●NSsf243.f1.com.tw2026-04-10 → 2026-08-02 · 3 obs
● 2026-04-10 12:56:48
● 2026-08-02 06:03:36
●NSsp234.f1.com.tw2026-04-10 → 2026-08-02 · 3 obs
● 2026-04-10 12:56:48
● 2026-08-02 06:03:36
○MXt520t.com2017-08-31 → 2017-08-31 · 3 obs
○ 2026-04-10 12:56:48
○ 2026-08-02 06:03:36
○MXwww.t520t.com2017-08-31 → 2017-08-31 · 3 obs
○ 2026-04-10 12:56:48
○ 2026-08-02 06:03:36
●A60.199.235.1832017-08-31 → 2026-08-02 · 2 obs
● 2026-08-02 06:03:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| t520t.com | sf243.f1.com.tw, sp234.f1.com.tw | - |
✅ Authoritative Response
Server:220.228.6.17
NS records: sf243.f1.com.tw, sp234.f1.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for t520t.com (unsigned zone)
⏱️ Timing
Total: 1485ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.199.235.183 |
| NS | 2 | dns1.f1.com.tw, dns2.f1.com.tw |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
www.t520t.com is delegated beneath t520t.com.
IP Addresses
t520t.com resolves to just one IP address, 60.199.235.183.
Two other host names, along with a29b.com, ry07.com and darla.a35b.com, also share IP numbers with t520t.com.
Name Servers
The NS records for t520t.com point to four name servers: dns1.f1.com.tw, dns2.f1.com.tw, sf243.f1.com.tw and sp234.f1.com.tw.
There is at least partial name server overlap between t520t.com and other domains — 752b.com, 080ut20.idv.tw, meimei-176.com and two more among them.
These name servers regularly appear alongside ns1.icstock.com.tw, ns2.icstock.com.tw, ns1.oknet.tw and 3 other name servers in NS record sets.
Four hosts, two IP addresses: dns1.f1.com.tw and sp234.f1.com.tw resolve to 218.32.213.234 and dns2.f1.com.tw and sf243.f1.com.tw resolve to 220.228.6.17.
dns1.f1.com.tw along with sp234.f1.com.tw each resolve to 218.32.213.234 IP addresses.
dns2.f1.com.tw along with sf243.f1.com.tw each resolve to 220.228.6.17 IP addresses.