centurylink.security - robtex.com
centurylink.security
| 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 | 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 | ||||||
| NS | ns1.centurytel.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 | ns2.centurytel.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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | authns1.qwest.netdns-admin@qwestip.net serial=2201215001 | ||||||
security
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.security | ||||||
| NS | b.nic.security | ||||||
| NS | e.nic.security | ||||||
| NS | f.nic.security | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=225819 | ||||||
Same first word
Similar names
centurylnik.net |
centunylirk.net |
cneturylink.net |
cneturylink.com |
linkcentury.com |
cenutrylink.com |
centuyrlink.net |
centruylink.net |
ecnturylink.net |
centurylikn.com |
ecnturylink.com |
centuyrlink.com |
cetnurylink.net |
DNS History
4 records (4 active, 0 former)
●NSns1.centurytel.net2026-07-27 → 2026-07-28 · 2 obs
● 2026-07-28 14:07:54
●NSns2.centurytel.net2026-07-27 → 2026-07-28 · 2 obs
● 2026-07-28 14:07:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| security | a.nic.security, b.nic.security, e.nic.security, f.nic.security | 8 records |
| centurylink.security | ns2.centurytel.net, ns1.centurytel.net | - |
✅ Authoritative Response
Server:208.44.130.120
NS records: ns2.centurytel.net, ns1.centurytel.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centurylink.security (unsigned zone)
⏱️ Timing
Total: 475ms | 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 |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.security, b.nic.security, e.nic.security...)
Analysis
Name Servers
The NS records for centurylink.security point to four name servers: ns1.centurytel.net, ns2.centurytel.net, authns1.qwest.net and authns2.qwest.net.
At least some of centurylink.security's name servers are shared with other domains, for example centurylinktelco.net, 51.79.66.in-addr.arpa, 47.160.216.in-addr.arpa and two more.
These name servers tend to be deployed in combination with the name servers authns1.centurylink.net and authns2.centurylink.net.
ns1.centurytel.net and authns1.qwest.net both point to 63.150.72.4 and 2001:428::5; ns2.centurytel.net and authns2.qwest.net both point to 208.44.130.120 and 2001:428::6 — all four hostnames (ns1.centurytel.net, ns2.centurytel.net, authns1.qwest.net and authns2.qwest.net) resolve to exactly two IP addresses.
ns1.centurytel.net along with authns1.qwest.net each resolve to 2001:428::5 IP addresses.
ns1.centurytel.net along with authns1.qwest.net each resolve to 63.150.72.4 IP addresses.
ns2.centurytel.net along with authns2.qwest.net each resolve to 2001:428::6 IP addresses.
ns2.centurytel.net along with authns2.qwest.net each resolve to 208.44.130.120 IP addresses.