ctl.io - dns.ninja
ctl.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1786442958 | ||||||
rank #2829 in the tld
WOT: SAFE (78/100)
📈 Tranco rank: #322,366
Subdomains
info.ctl.io |
ns2.ctl.io |
sso.ctl.io |
assets.ctl.io |
dcc.ctl.io |
ns1.ctl.io |
ns3.ctl.io |
backup.ctl.io |
www.ctl.io |
ns4.ctl.io |
Same first word
Similar names
DNS History
19 records (7 active, 12 former)
●NSauthns1.centurylink.net2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
●NSauthns1.qwest.net2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
●NSauthns2.centurylink.net2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
●NSauthns2.qwest.net2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
○NSns1.ctl.io2015-06-01 → 2021-05-25 · 4 obs
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
○NSns2.ctl.io2015-06-01 → 2021-05-25 · 4 obs
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
○NSns3.ctl.io2015-06-01 → 2021-05-25 · 4 obs
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
○NSns4.ctl.io2015-06-01 → 2021-05-25 · 4 obs
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
○MXctl-io.mail.protection.outlook.com2015-06-01 → 2018-10-13 · 4 obs
● 2018-10-13 16:22:02
○ 2019-06-07 03:26:38
○ 2026-08-11 10:23:42
○MXlxdnp28m.centurylink.com2019-06-07 → 2021-05-25 · 5 obs
● 2019-06-07 03:26:38
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
○MXlxomp51w.centurylink.com2019-06-07 → 2021-05-25 · 5 obs
● 2019-06-07 03:26:38
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
●MXmxa-007e5801.gslb.pphosted.com2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
●MXmxb-007e5801.gslb.pphosted.com2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
●A168.62.175.2022026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
○A206.128.137.2002021-05-25 → 2021-05-25 · 4 obs
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
○A206.142.244.2002021-05-25 → 2021-05-25 · 4 obs
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
○A216.146.46.102015-06-01 → 2020-11-11 · 4 obs
● 2020-11-11 00:21:24
○ 2021-05-25 20:56:16
○ 2026-08-11 10:23:42
○A216.146.46.112015-06-01 → 2020-11-11 · 4 obs
● 2020-11-11 00:21:24
○ 2021-05-25 20:56:16
○ 2026-08-11 10:23:42
○A64.15.182.2002021-05-25 → 2021-05-25 · 4 obs
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io | - |
| ctl.io | 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 ctl.io (unsigned zone)
⏱️ Timing
Total: 459ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 168.62.175.202 |
| NS | 2 | authns1.qwest.net, authns2.qwest.net |
| MX | 2 | mxb-007e5801.gslb.pphosted.com (pri: 20), mxa-007e5801.gslb.pphosted.com (pri: 20) |
| TXT | 7 | _xuj8cd6udcur858x30tl7bcp7sh2l4x, _zzp9v5bqlsvvyoaxi2i3bbl9vrkmk25... |
| SOA | 1 | authns1.qwest.net noc.centurylinkcloud.c |
Analysis
Hierarchy
The host names info.ctl.io, ns2.ctl.io, sso.ctl.io, assets.ctl.io and dcc.ctl.io — among a few others — fall under the parent domain ctl.io.
IP Addresses
ctl.io directs to one IP number, which is 168.62.175.202.
Name Servers
The domain ctl.io is delegated to these four name servers: authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net.
At least some of ctl.io's name servers are shared with other domains, for example 18.1.184.in-addr.arpa, nofaultadvantage.org, 25.224.63.in-addr.arpa and two more.
These name servers tend to co-occur with dca-ans-01.inet.qwest.net, svl-ans-01.inet.qwest.net, ns1.kmcmail.net and 7 other name servers in the same DNS delegations.
authns1.centurylink.net and authns1.qwest.net both point to 63.150.72.4 and 2001:428::5; authns2.centurylink.net and authns2.qwest.net both point to 208.44.130.120 and 2001:428::6 — all four hostnames (authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net) resolve to exactly two IP addresses.
authns1.centurylink.net along with authns1.qwest.net each resolve to 2001:428::5 IP addresses.
authns1.centurylink.net along with authns1.qwest.net each resolve to 63.150.72.4 IP addresses.
authns2.centurylink.net along with authns2.qwest.net each resolve to 2001:428::6 IP addresses.
authns2.centurylink.net along with authns2.qwest.net each resolve to 208.44.130.120 IP addresses.
Mail Servers
The MX records for ctl.io point to two mail servers: mxa-007e5801.gslb.pphosted.com and mxb-007e5801.gslb.pphosted.com.
ctl.io has the same mail server arrangement as a number of other domains, for example level3.dk, level3.no, lumen.com and two more.
ctl.io overlaps on mail servers with certain other domains, centurylink.de among them.
Each of mxa-007e5801.gslb.pphosted.com and mxb-007e5801.gslb.pphosted.com has one IP address: mxa-007e5801.gslb.pphosted.com uses 205.220.178.108 and mxb-007e5801.gslb.pphosted.com uses 205.220.166.108.