centurylink.app - robtex.com
centurylink.app
| 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=2201113001 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
Similar names
ecnturylink.net |
centurylikn.com |
ecnturylink.com |
centuyrlink.com |
cetnurylink.net |
centurylnik.net |
centunylirk.net |
cneturylink.net |
cneturylink.com |
linkcentury.com |
cenutrylink.com |
centuyrlink.net |
centruylink.net |
DNS History
4 records (4 active, 0 former)
●NSauthns1.centurylink.net2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 12:33:32
●NSauthns2.centurylink.net2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-29 12:33:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| centurylink.app | 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.app (unsigned zone)
⏱️ Timing
Total: 1096ms | 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
The authoritative name servers for centurylink.app are authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net.
At least some of centurylink.app's name servers are shared with other domains, for example 124.65.in-addr.arpa, 144.113.65.in-addr.arpa, 147.225.63.in-addr.arpa and two more.
These name servers tend to co-occur with ns1.kmcmail.net, ns2.kmcmail.net, auth20.ns.wcom.com and 5 other name servers in the same DNS delegations.
All four of authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net carry exactly two IP addresses each. authns1.centurylink.net and authns1.qwest.net share IP addresses 63.150.72.4 and 2001:428::5, and authns2.centurylink.net and authns2.qwest.net share IP addresses 208.44.130.120 and 2001:428::6.
These two host names — authns1.centurylink.net and authns1.qwest.net — each point to 2001:428::5 IP addresses.
These two host names — authns1.centurylink.net and authns1.qwest.net — each point to 63.150.72.4 IP addresses.
These two host names — authns2.centurylink.net and authns2.qwest.net — each point to 2001:428::6 IP addresses.
These two host names — authns2.centurylink.net and authns2.qwest.net — each point to 208.44.130.120 IP addresses.