centurylink.tw - robtex.com
centurylink.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | authns1.qwest.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:428::5🇺🇸 AS2092001:428::/32 | ||||||
| PTR | authns1.qwest.net | ||||||
| A | 63.150.72.4🇺🇸 AS20963.144.0.0/12 | ||||||
| PTR | authns1.centurylink.net | ||||||
| PTR | authns1.qwest.net | ||||||
| PTR | authns1.lumen.tech | ||||||
| NS | authns1.centurylink.net ⚠️ Not in zone NS records | ||||||
| A | 2001:428::5🇺🇸 AS2092001:428::/32 | ||||||
| PTR | authns1.qwest.net | ||||||
| A | 63.150.72.4🇺🇸 AS20963.144.0.0/12 | ||||||
| PTR | authns1.centurylink.net | ||||||
| PTR | authns1.qwest.net | ||||||
| PTR | authns1.lumen.tech | ||||||
| NS | authns2.centurylink.net ⚠️ Not in zone NS records | ||||||
| A | 2001:428::6🇺🇸 AS2092001:428::/32 | ||||||
| PTR | authns2.qwest.net | ||||||
| A | 208.44.130.120🇺🇸 AS209208.44.0.0/14 | ||||||
| PTR | authns2.centurylink.net | ||||||
| PTR | authns2.qwest.net | ||||||
| PTR | authns2.lumen.tech | ||||||
| NS | authns2.qwest.net ⚠️ Not in parent delegation | ||||||
| A | 2001:428::6🇺🇸 AS2092001:428::/32 | ||||||
| PTR | authns2.qwest.net | ||||||
| A | 208.44.130.120🇺🇸 AS209208.44.0.0/14 | ||||||
| PTR | authns2.centurylink.net | ||||||
| PTR | authns2.qwest.net | ||||||
| PTR | authns2.lumen.tech | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | authns1.qwest.netabuse@centurylinkservices.net serial=2210707001 | ||||||
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 2011-04-09 #77 | ||||||
Same first word
Similar names
linkcentury.com |
cenutrylink.com |
centuyrlink.net |
centruylink.net |
ecnturylink.net |
centurylikn.com |
ecnturylink.com |
centuyrlink.com |
cetnurylink.net |
centurylnik.net |
centunylirk.net |
cneturylink.net |
cneturylink.com |
DNS History
4 records (4 active, 0 former)
●NSauthns1.centurylink.net2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-30 16:02:48
●NSauthns2.centurylink.net2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-30 16:02:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | f.dns.tw, g.dns.tw, b.dns.tw, h.dns.tw... | - |
| centurylink.tw | authns1.centurylink.net, authns2.centurylink.net | - |
✅ Authoritative Response
Server:63.150.72.4
NS records: authns1.centurylink.net, authns2.centurylink.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centurylink.tw (unsigned zone)
⏱️ Timing
Total: 1167ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | authns1.qwest.net, authns2.qwest.net |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | authns1.qwest.net abuse.centurylinkservi |
Analysis
Name Servers
Four name servers handle the delegation for centurylink.tw: authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net.
centurylink.tw partially shares its NS delegation with several other domains, including 108.0.71.in-addr.arpa, imation.gr, 158.46.208.in-addr.arpa and two others.
In DNS configurations, these name servers often share authority with ns1.kmcmail.net, ns2.kmcmail.net, ns1.bur.qwest.net and 7 other name servers.
authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net each have two IP addresses. Specifically, authns1.centurylink.net resolves to 63.150.72.4 and 2001:428::5, authns2.centurylink.net resolves to 208.44.130.120 and 2001:428::6, authns1.qwest.net resolves to 63.150.72.4 and 2001:428::5 and authns2.qwest.net resolves to 208.44.130.120 and 2001:428::6.
Host names pointing to 2001:428::5 IP addresses: authns1.centurylink.net and authns1.qwest.net.
Host names pointing to 63.150.72.4 IP addresses: authns1.centurylink.net and authns1.qwest.net.
Host names pointing to 2001:428::6 IP addresses: authns2.centurylink.net and authns2.qwest.net.
Host names pointing to 208.44.130.120 IP addresses: authns2.centurylink.net and authns2.qwest.net.