ctl.io - dns.ninja

ctl.io

DNSSEC⚠️ Not signed
A168.62.175.202🇺🇸 Microsoft168.62.0.0/15 MICROSOFT
NSauthns1.qwest.net ⭐ ⚠️ Not in parent delegation
A2001:428::5🇺🇸 AS2092001:428::/32
PTRauthns1.qwest.net
A63.150.72.4🇺🇸 AS20963.144.0.0/12
PTRauthns1.centurylink.net
PTRauthns1.qwest.net
PTRauthns1.lumen.tech
NSauthns1.centurylink.net ⚠️ Not in zone NS records
A2001:428::5🇺🇸 AS2092001:428::/32
PTRauthns1.qwest.net
A63.150.72.4🇺🇸 AS20963.144.0.0/12
PTRauthns1.centurylink.net
PTRauthns1.qwest.net
PTRauthns1.lumen.tech
NSauthns2.centurylink.net ⚠️ Not in zone NS records
A2001:428::6🇺🇸 AS2092001:428::/32
PTRauthns2.qwest.net
A208.44.130.120🇺🇸 AS209208.44.0.0/14
PTRauthns2.centurylink.net
PTRauthns2.qwest.net
PTRauthns2.lumen.tech
NSauthns2.qwest.net ⚠️ Not in parent delegation
A2001:428::6🇺🇸 AS2092001:428::/32
PTRauthns2.qwest.net
A208.44.130.120🇺🇸 AS209208.44.0.0/14
PTRauthns2.centurylink.net
PTRauthns2.qwest.net
PTRauthns2.lumen.tech
MXmxa-007e5801.gslb.pphosted.com
A205.220.178.108🇺🇸 Proofpoint205.220.178.0/24 Inc.
PTRmx0b-007e5801.pphosted.com
MXmxb-007e5801.gslb.pphosted.com
A205.220.166.108🇺🇸 Proofpoint205.220.166.0/24 Inc.
PTRmx0a-007e5801.pphosted.com
TXT_zzp9v5bqlsvvyoaxi2i3bbl9vrkmk25
TXTNotice anything missing? Let jack.stevens@lumen.com know.
TXT_w8s3qyz5jw6z0k6tjzlkiletpimi147
TXT1zs189r5p416nzbkfzbz20bgkcggq8f8
TXT_xuj8cd6udcur858x30tl7bcp7sh2l4x
TXTMS=ms32416240
TXTv=spf1 include:spf-007e5802.pphosted.com include:spf.mandrillapp.com ip4:155....
SOAauthns1.qwest.netnoc@centurylinkcloud.com serial=2260428000

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1786442958
rank #355335 globally
rank #2829 in the tld
WOT: SAFE (78/100)
📈 Tranco rank: #322,366

Subdomains

Same first word

Similar names

DNS History

19 records (7 active, 12 former)

20162017201820192020202120222023202420252026NSauthns1.centurylink.netauthns1.qwest.netauthns2.centurylink.netauthns2.qwest.netns1.ctl.ions2.ctl.ions3.ctl.ions4.ctl.ioMXmxa-007e5801.gslb.pphosted.commxb-007e5801.gslb.pphosted.comctl-io.mail.protection.outlook.comlxdnp28m.centurylink.comlxomp51w.centurylink.comA168.62.175.202206.128.137.200206.142.244.200216.146.46.10216.146.46.1164.15.182.200
NSauthns1.centurylink.net2026-02-16 → 2026-08-11 · 3 obs
○ 2021-05-25 20:56:16
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
NSauthns1.qwest.net2026-02-16 → 2026-08-11 · 3 obs
○ 2021-05-25 20:56:16
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
NSauthns2.centurylink.net2026-02-16 → 2026-08-11 · 3 obs
○ 2021-05-25 20:56:16
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
NSauthns2.qwest.net2026-02-16 → 2026-08-11 · 3 obs
○ 2021-05-25 20:56:16
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
NSns1.ctl.io2015-06-01 → 2021-05-25 · 4 obs
● 2015-06-01 03:46:44
● 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
● 2015-06-01 03:46:44
● 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
● 2015-06-01 03:46:44
● 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
● 2015-06-01 03:46:44
● 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
● 2015-06-01 03:46:44
● 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
○ 2018-10-13 16:22:02
● 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
○ 2018-10-13 16:22:02
● 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
○ 2021-05-25 20:56:16
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
MXmxb-007e5801.gslb.pphosted.com2026-02-16 → 2026-08-11 · 3 obs
○ 2021-05-25 20:56:16
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
A168.62.175.2022026-02-16 → 2026-08-11 · 3 obs
○ 2021-05-25 20:56:16
● 2026-02-16 11:21:04
● 2026-08-11 10:23:42
A206.128.137.2002021-05-25 → 2021-05-25 · 4 obs
○ 2020-11-11 00:21:24
● 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
○ 2020-11-11 00:21:24
● 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
● 2015-06-01 03:46:44
● 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
● 2015-06-01 03:46:44
● 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
○ 2020-11-11 00:21:24
● 2021-05-25 20:56:16
○ 2026-02-16 11:21:04
○ 2026-08-11 10:23:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io-
ctl.ioauthns1.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

TypeCountSample Data
A1168.62.175.202
NS2authns1.qwest.net, authns2.qwest.net
MX2mxb-007e5801.gslb.pphosted.com (pri: 20), mxa-007e5801.gslb.pphosted.com (pri: 20)
TXT7_xuj8cd6udcur858x30tl7bcp7sh2l4x, _zzp9v5bqlsvvyoaxi2i3bbl9vrkmk25...
SOA1authns1.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.