excel15b.com - robtex.com
excel15b.com
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=1774409337 | ||||||
Same first word
excel15b.com |
DNS History
7 records (7 active, 0 former)
●NSns1.centurytel.net2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 07:33:34
● 2026-03-25 03:31:10
●NSns2.centurytel.net2026-03-23 → 2026-03-25 · 3 obs
● 2026-03-23 07:33:34
● 2026-03-25 03:31:10
●MXfallback2.centurytel.net2015-06-05 → 2026-03-25 · 2 obs
● 2026-03-25 03:31:10
●MXmail.centurytel.net2015-06-05 → 2026-03-25 · 2 obs
● 2026-03-25 03:31:10
●A207.67.73.752015-06-05 → 2026-03-25 · 2 obs
● 2026-03-25 03:31:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| excel15b.com | ns2.centurytel.net, ns1.centurytel.net | - |
✅ Authoritative Response
Server:63.150.72.4
NS records: ns2.centurytel.net, ns1.centurytel.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for excel15b.com (unsigned zone)
⏱️ Timing
Total: 1779ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.67.73.75 |
| NS | 2 | authns1.qwest.net, authns2.qwest.net |
| MX | 2 | fallback2.centurytel.net (pri: 20), mail.centurytel.net (pri: 10) |
| SOA | 1 | authns1.qwest.net abuse.centurylink.net |
Analysis
IP Addresses
excel15b.com resolves to one IP number: 207.67.73.75.
Name Servers
excel15b.com delegates to four name servers: ns1.centurytel.net, ns2.centurytel.net, authns1.qwest.net and authns2.qwest.net.
excel15b.com at least partially shares name servers with other domains, including 160.50.71.in-addr.arpa, 6.67.in-addr.arpa, riversideresort.com, 92.40.64.in-addr.arpa and 215.216.71.in-addr.arpa.
these name servers are commonly used alongside authns1.centurylink.net, authns2.centurylink.net, authns2.dnvr.qwest.net, authns1.mpls.qwest.net, authns3.sttl.qwest.net, dns2.digisys.net and dns.digisys.net.
Host names with two IP numbers:
ns1.centurytel.net points to 2001:428::5 and 63.150.72.4.
ns2.centurytel.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 that point to 2001:428::5: ns1.centurytel.net and authns1.qwest.net.
Host names that point to 63.150.72.4: ns1.centurytel.net and authns1.qwest.net.
Host names that point to 2001:428::6: ns2.centurytel.net and authns2.qwest.net.
Host names that point to 208.44.130.120: ns2.centurytel.net and authns2.qwest.net.
Mail Servers
excel15b.com is served by two mail servers fallback2.centurytel.net and mail.centurytel.net.
excel15b.com shares the same mail server setup as other domains, for instance clec.customer.centurytel.net, plmy.centurytel.net, lar.centurytel.net, cpt.centurytel.net and bransonmo911.info.
excel15b.com shares at least some mail servers with other domains, for example neb.centurytel.net, saddlebrookemo.com, fr.centurytel.net, kin.centurytel.net and stu.centurytel.net.
These mail servers are often used with fallback.centurytel.net and mail.saddlebrookemo.com.
Host names with a single IP number: The host name fallback2.centurytel.net points to 209.142.136.249.