centurylinktelecom.com - robtex.com
centurylinktelecom.com
| 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.netdns-admin@qwestip.net serial=2201230001 | ||||||
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=1778813731 | ||||||
Same first word
centurylinktelecom.com |
centurylinktelecom.org |
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| centurylinktelecom.com | authns1.centurylink.net, authns2.centurylink.net | - |
✅ Authoritative Response
Server:208.44.130.120
NS records: authns1.centurylink.net, authns2.centurylink.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centurylinktelecom.com (unsigned zone)
⏱️ Timing
Total: 581ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | authns2.qwest.net, authns1.qwest.net |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | authns1.qwest.net dns-admin.qwestip.net |
Analysis
Name Servers
centurylinktelecom.com's delegation is handled by four name servers: authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net.
centurylinktelecom.com partially shares name servers with other domains; examples include 31.79.66.in-addr.arpa, westcoastnielsen.org, 228.47.208.in-addr.arpa, 69.207.216.in-addr.arpa and 68.232.63.in-addr.arpa.
These name servers are commonly used alongside dca-ans-01.inet.qwest.net, svl-ans-01.inet.qwest.net, ns1.kmcmail.net, ns2.kmcmail.net, dsvdns01.elpasoco.com, ns1.principal.com, ns1.bur.qwest.net, ns1.ewr.qwest.net, auth20.ns.wcom.com and auth40.ns.uu.net.
Host names with two IPs
authns1.centurylink.net points to 2001:428::5 and 63.150.72.4
authns2.centurylink.net points to 2001:428::6 and 208.44.130.120
authns1.qwest.net points to 2001:428::5 and 63.150.72.4
authns2.qwest.net points to 2001:428::6 and 208.44.130.120
Host names pointing to 2001:428::5: authns1.centurylink.net and authns1.qwest.net
Host names pointing to 63.150.72.4: authns1.centurylink.net and authns1.qwest.net
Host names pointing to 2001:428::6: authns2.centurylink.net and authns2.qwest.net
Host names pointing to 208.44.130.120: authns2.centurylink.net and authns2.qwest.net