centurylinktechnology.com - robtex.com
centurylinktechnology.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 155.70.44.25🇺🇸 AS7359155.70.32.0/20 | ||||||
| A | 155.70.55.25🇺🇸 AS4015155.70.48.0/20 | ||||||
| NS | ns6a.savvis.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 212.124.226.231🇬🇧 AS3561212.124.224.0/19 | ||||||
| PTR | ns6a.savvis.net | ||||||
| NS | ns1.savvis.net | ||||||
| A | 209.16.211.42🇺🇸 AS3561209.16.211.0/24 | ||||||
| PTR | ns1.savvis.net | ||||||
| NS | ns2.savvis.net | ||||||
| A | 204.194.10.206🇺🇸 AS3561204.194.8.0/21 | ||||||
| PTR | ns2.savvis.net | ||||||
| NS | ns3.savvis.net | ||||||
| A | 209.83.162.35🇺🇸 AS3561209.83.128.0/17 | ||||||
| PTR | ns3.savvis.net | ||||||
| NS | ns4.savvis.net | ||||||
| A | 204.70.49.234🇺🇸 AS3561204.70.0.0/15 | ||||||
| PTR | ns4.savvis.net | ||||||
| NS | ns5.savvis.net | ||||||
| A | 204.71.116.25🇺🇸 AS3561204.70.0.0/15 | ||||||
| PTR | ns5.savvis.net | ||||||
| NS | ns6.savvis.net ⚠️ Not in parent delegation | ||||||
| A | 212.124.226.230🇬🇧 AS3561212.124.224.0/19 | ||||||
| PTR | ns6.savvis.net | ||||||
| TXT | S0A0V41049 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns6a.savvis.netdns-admin@centurylink.com serial=2210616000 | ||||||
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=1778614396 | ||||||
Subdomains
savvisstation.centurylinktechnology.com |
www.centurylinktechnology.com |
Same first word
DNS History
11 records (9 active, 2 former)
●NSns1.savvis.net2015-08-18 → 2026-05-12 · 2 obs
● 2026-05-12 19:41:10
●NSns2.savvis.net2015-08-18 → 2026-05-12 · 2 obs
● 2026-05-12 19:41:10
●NSns3.savvis.net2015-08-18 → 2026-05-12 · 2 obs
● 2026-05-12 19:41:10
●NSns4.savvis.net2015-08-18 → 2026-05-12 · 2 obs
● 2026-05-12 19:41:10
●NSns5.savvis.net2015-08-18 → 2026-05-12 · 2 obs
● 2026-05-12 19:41:10
●NSns6.savvis.net2026-02-14 → 2026-05-12 · 3 obs
● 2026-02-14 23:55:12
● 2026-05-12 19:41:10
●NSns6a.savvis.net2026-02-14 → 2026-05-12 · 3 obs
● 2026-02-14 23:55:12
● 2026-05-12 19:41:10
○MXcluster9.us.messagelabs.com2015-08-18 → 2015-11-25 · 4 obs
● 2015-11-25 10:04:22
○ 2016-02-25 09:52:00
○ 2026-05-12 19:41:10
○MXcluster9a.us.messagelabs.com2015-08-18 → 2015-11-25 · 4 obs
● 2015-11-25 10:04:22
○ 2016-02-25 09:52:00
○ 2026-05-12 19:41:10
●A155.70.44.252015-08-18 → 2026-05-12 · 2 obs
● 2026-05-12 19:41:10
●A155.70.55.252015-11-25 → 2026-05-12 · 3 obs
● 2015-11-25 10:04:22
● 2026-05-12 19:41:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| centurylinktechnology.com | ns1.savvis.net, ns2.savvis.net, ns3.savvis.net, ns4.savvis.net... | - |
✅ Authoritative Response
Server:209.83.162.35
NS records: ns1.savvis.net, ns2.savvis.net, ns3.savvis.net, ns4.savvis.net, ns5.savvis.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for centurylinktechnology.com (unsigned zone)
⏱️ Timing
Total: 2538ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 155.70.44.25, 155.70.55.25 |
| NS | 7 | ns4.savvis.net, ns5.savvis.net... |
| TXT | 2 | S0A0V41049, v=spf1 -all |
| SOA | 1 | ns2.savvis.net dns-admin.centurylink.com |
Analysis
Hierarchy
centurylinktechnology.com is parent of savvisstation.centurylinktechnology.com and www.centurylinktechnology.com.
IP Addresses
centurylinktechnology.com resolves to two IPs: 155.70.44.25 and 155.70.55.25.
other host names for instance savvis.sg, 66-249-61-115.madisonriver.net, madisonriver.net, 66-249-61-63.madisonriver.net and 66-249-63-173.madisonriver.net share IP numbers with centurylinktechnology.com.
Name Servers
centurylinktechnology.com is delegated to seven name servers: ns1.savvis.net, ns2.savvis.net, ns3.savvis.net, ns4.savvis.net, ns5.savvis.net, ns6.savvis.net and ns6a.savvis.net.
centurylinktechnology.com at least partially shares name servers with other domains, for instance bryancavetls.com, 11.126.202.in-addr.arpa, 153.202.209.in-addr.arpa, 194.56.64.in-addr.arpa and 208.240.64.in-addr.arpa.
These name servers are often used together with the name servers dns02.savvis.net, dns03.savvis.net, dns01.savvis.net, dns04.savvis.net, ns01.savvis.net, ns02.savvis.net, ns03.savvis.net, ns04.savvis.net, ns05.savvis.net and pdns1.isc.savvis.net.
Host names with one IP number:
ns1.savvis.net points to 209.16.211.42.
ns2.savvis.net points to 204.194.10.206.
ns3.savvis.net points to 209.83.162.35.
ns4.savvis.net points to 204.70.49.234.
ns5.savvis.net points to 204.71.116.25.
ns6.savvis.net points to 212.124.226.230.
ns6a.savvis.net points to 212.124.226.231.