520-tel.com - robtex.com
520-tel.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.6.232🇹🇼 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.oknet.tw ⚠️ Not in zone NS records | ||||||
| NS | ns2.oknet.tw ⚠️ Not in zone NS records | ||||||
| MX | 520-tel.com ⭐ | ||||||
| A | 220.228.6.232🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| MX | www.520-tel.com(14) | ||||||
| A | 220.228.6.232🇹🇼 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=1785258617 | ||||||
MX for
520-tel.com |
Subdomains
www.520-tel.com |
Same first word
520-tel.com |
DNS History
7 records (7 active, 0 former)
●NSdns1.f1.com.tw2015-07-25 → 2026-07-28 · 5 obs
● 2017-05-30 13:17:46
○ 2026-07-03 13:25:04
● 2026-07-08 21:28:12
● 2026-07-28 17:38:08
●NSdns2.f1.com.tw2015-07-25 → 2026-07-28 · 5 obs
● 2017-05-30 13:17:46
○ 2026-07-03 13:25:04
● 2026-07-08 21:28:12
● 2026-07-28 17:38:08
●NSns1.oknet.tw2026-02-27 → 2026-07-28 · 3 obs
● 2026-02-27 22:53:00
● 2026-07-28 17:38:08
●NSns2.oknet.tw2026-02-27 → 2026-07-28 · 3 obs
● 2026-02-27 22:53:00
● 2026-07-28 17:38:08
●MX520-tel.com2015-07-25 → 2026-07-28 · 5 obs
● 2017-05-30 13:17:46
○ 2026-07-03 13:25:04
● 2026-07-08 21:28:12
● 2026-07-28 17:38:08
●MXwww.520-tel.com2015-07-25 → 2026-07-28 · 5 obs
● 2017-05-30 13:17:46
○ 2026-07-03 13:25:04
● 2026-07-08 21:28:12
● 2026-07-28 17:38:08
●A220.228.6.2322015-07-25 → 2026-07-28 · 5 obs
● 2017-05-30 13:17:46
○ 2026-07-03 13:25:04
● 2026-07-08 21:28:12
● 2026-07-28 17:38:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net... | - |
| 520-tel.com | ns1.oknet.tw, ns2.oknet.tw | - |
✅ Authoritative Response
Server:220.228.6.98
NS records: ns1.oknet.tw, ns2.oknet.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 520-tel.com (unsigned zone)
⏱️ Timing
Total: 1428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.6.232 |
| NS | 2 | dns1.f1.com.tw, dns2.f1.com.tw |
| MX | 2 | www.520-tel.com (pri: 14), 520-tel.com (pri: 10) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Hierarchy
520-tel.com serves as the parent of www.520-tel.com.
Mail Server Role
520-tel.com is listed as a mail server for itself.
www.520-tel.com is a mail server commonly deployed alongside 520-tel.com.
IP Addresses
520-tel.com resolves to one IP address: 220.228.6.232.
www.176-love.com, www.match-387.com, www.av901.com and two other host names share IP numbers with 520-tel.com.
Name Servers
The authoritative name servers for 520-tel.com are ns1.oknet.tw, ns2.oknet.tw, dns1.f1.com.tw and dns2.f1.com.tw.
520-tel.com has at least partial name server overlap with other domains, such as meimei695.com, momo-298.com, 69-meimei.com and two others.
sp234.f1.com.tw, ns1.icstock.com.tw and ns2.icstock.com.tw — plus 3 other name servers — are commonly paired with these name servers.
dns1.f1.com.tw directs to 218.32.213.234 and dns2.f1.com.tw directs to 220.228.6.17; each host name points to exactly one IP number.
Mail Servers
520-tel.com relies on two mail servers for delivery — 520-tel.com and www.520-tel.com.
520-tel.com directs to 220.228.6.232, as does www.520-tel.com — both hostnames resolve to that one IP address.
520-tel.com along with www.520-tel.com each resolve to 220.228.6.232 IP addresses.