ctl.one - dns.ninja
ctl.one
| DNSSEC | ⚠️ Not signed | ||||||
| A | 4.68.54.44🇺🇸 AS33564.0.0.0/9 | ||||||
| PTR | onestopenv2.level3.com | ||||||
| NS | ns3.level3.net ⭐ | ||||||
| A | 216.136.95.12🇺🇸 AS3549216.136.0.0/17 | ||||||
| PTR | ns3.level3.net | ||||||
| NS | ns4.level3.net | ||||||
| A | 64.132.94.251🇺🇸 AS354964.132.0.0/16 | ||||||
| PTR | ns4.level3.net | ||||||
| MX | mx1.mail.level3.net ⭐ | ||||||
| A | 2001:4870:6082:1::68🇺🇸 AS35492001:4870::/31 | ||||||
| PTR | mx1.mail.level3.net | ||||||
| A | 2001:4870:8000:1::68🇺🇸 AS35492001:4870::/31 | ||||||
| PTR | mx1.mail.level3.net | ||||||
| A | 216.136.95.5🇺🇸 AS3549216.136.0.0/17 | ||||||
| PTR | mx1.mail.level3.net | ||||||
| MX | mx2.mail.level3.net ⭐ | ||||||
| A | 2001:4870:6082:1::70🇺🇸 AS35492001:4870::/31 | ||||||
| PTR | mx2.mail.level3.net | ||||||
| A | 2001:4870:8000:1::70🇺🇸 AS35492001:4870::/31 | ||||||
| PTR | mx2.mail.level3.net | ||||||
| A | 216.136.95.6🇺🇸 AS3549216.136.0.0/17 | ||||||
| PTR | mx2.mail.level3.net | ||||||
| MX | nimap.ctl.one(100) | ||||||
| TXT | TWTC | ||||||
| TXT | v=spf1 ip4:216.136.95.4 ip4:66.195.92.130 ip4:64.129.67.64/28 ip4:216.136.82.... | ||||||
| TXT | 24ltk892gftyvh9gv7d6zwtzj6w8f2p0 | ||||||
| TXT | 4l6l7fkv544l7j85mj29phqzd1kxsgm2 | ||||||
| TXT | gr3cs9dbvc2thrmvlkh9kljf1rgjl243 | ||||||
| SOA | ns3.level3.netpostmaster@ns3.level3.net 2026-04-28 #1 | ||||||
one
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.one ⭐ | ||||||
| NS | b.nic.one | ||||||
| NS | c.nic.one | ||||||
| NS | x.nic.one | ||||||
| NS | y.nic.one | ||||||
| NS | z.nic.one | ||||||
| SOA | a.nic.oneadmin@tldns.godaddy serial=1786586008 | ||||||
Subdomains
v.ctl.one |
dnvr.ctl.one |
taskspro.ctl.one |
dspam.ctl.one |
ibl.ctl.one |
info.ctl.one |
voip.ctl.one |
hostmaster.ctl.one |
imap.ctl.one |
ns2.ctl.one |
cpan.ctl.one |
ns1.ctl.one |
dlfw.ctl.one |
mon.ctl.one |
ntp0.ctl.one |
lists.ctl.one |
rwhois.ctl.one |
speedcenter.ctl.one |
monitoring.ctl.one |
cpe.ctl.one |
ops-portal.ctl.one |
host.ctl.one |
vmail.ctl.one |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
○NSipdnstool-02.dnvr.twtelecom.net2018-04-26 → 2018-04-26 · 3 obs
○ 2018-07-07 09:05:12
○ 2026-08-13 02:30:44
●NSns3.level3.net2018-04-26 → 2026-08-13 · 2 obs
● 2026-08-13 02:30:44
●NSns4.level3.net2018-04-26 → 2026-08-13 · 2 obs
● 2026-08-13 02:30:44
○MXimap.ctl.one2018-04-26 → 2021-12-31 · 4 obs
● 2021-12-31 15:03:02
○ 2026-02-17 01:31:28
○ 2026-08-13 02:30:44
●MXmx1.mail.level3.net2019-07-01 → 2026-08-13 · 9 obs
● 2019-07-01 07:46:48
● 2020-10-04 07:13:26
○ 2021-02-08 04:23:22
○ 2021-12-31 15:03:02
● 2026-02-17 01:31:28
○ 2026-06-28 02:37:58
● 2026-06-28 06:21:54
● 2026-08-13 02:30:44
●MXmx2.mail.level3.net2019-07-01 → 2026-08-13 · 9 obs
● 2019-07-01 07:46:48
● 2020-10-04 07:13:26
○ 2021-02-08 04:23:22
○ 2021-12-31 15:03:02
● 2026-02-17 01:31:28
○ 2026-06-28 02:37:58
● 2026-06-28 06:21:54
● 2026-08-13 02:30:44
●MXnimap.ctl.one2026-02-17 → 2026-08-13 · 5 obs
● 2026-02-17 01:31:28
○ 2026-06-28 02:37:58
● 2026-06-28 06:21:54
● 2026-08-13 02:30:44
●A4.68.54.442021-02-08 → 2026-08-13 · 5 obs
● 2021-12-31 15:03:02
○ 2026-06-28 02:37:58
● 2026-06-28 06:21:54
● 2026-08-13 02:30:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| one | a.nic.one, b.nic.one, c.nic.one, x.nic.one... | 12 records |
| ctl.one | ns4.level3.net, ns3.level3.net | - |
✅ Authoritative Response
Server:64.132.94.251
NS records: ns4.level3.net, ns3.level3.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctl.one (unsigned zone)
⏱️ Timing
Total: 419ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 4.68.54.44 |
| NS | 2 | ns4.level3.net, ns3.level3.net |
| MX | 3 | mx1.mail.level3.net (pri: 10), mx2.mail.level3.net (pri: 10)... |
| TXT | 5 | 4l6l7fkv544l7j85mj29phqzd1kxsgm2, gr3cs9dbvc2thrmvlkh9kljf1rgjl243... |
| SOA | 1 | ns3.level3.net postmaster.ns3.level3.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.one, b.nic.one, c.nic.one...)
Analysis
Hierarchy
Among the subdomains of ctl.one are v.ctl.one, dnvr.ctl.one, taskspro.ctl.one, dspam.ctl.one, ibl.ctl.one and a few other host names.
IP Addresses
ctl.one resolves to just one IP address, 4.68.54.44.
Among the host names that share IP numbers with ctl.one is onestopenv2.level3.com, as one example.
Name Servers
The NS records for ctl.one delegate to ns3.level3.net and ns4.level3.net.
ctl.one shares its NS records with other domains, for example wyndhamrewardscreditcard.com, 52.209.64.in-addr.arpa, 154.250.207.in-addr.arpa and two others.
There is at least partial name server overlap between ctl.one and other domains — 33.9.64.in-addr.arpa, rodneycarrington.com, turtlelanehiltonheadisland.com and two more among them.
These name servers frequently co-occur with the name servers dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.
ns3.level3.net → 216.136.95.12 and ns4.level3.net → 64.132.94.251: one IP number per host name.
Mail Servers
Incoming mail for ctl.one is delivered via three mail servers: nimap.ctl.one, mx1.mail.level3.net and mx2.mail.level3.net.
ctl.one and a number of other domains — easyec.com, edictsystems.com, ibl.ctl.one and twtc.net among them — share at least some of the same mail servers.
edictsystems-com.mail.protection.outlook.com, mail.twtelecom.net, easyec-com.mail.protection.outlook.com and imap.dnvr.twtelecom.net are mail servers that frequently appear together with these mail servers.
mx1.mail.level3.net points to 216.136.95.5, 2001:4870:6082:1::68 and 2001:4870:8000:1::68. mx2.mail.level3.net points to 216.136.95.6, 2001:4870:6082:1::70 and 2001:4870:8000:1::70. Both hosts resolve to three IP numbers.