qfiber.co - robtex.com

qfiber.co

DNSSEC⚠️ Not signed
A4.68.54.34🇺🇸 AS33564.0.0.0/9
PTRdeveloper-ext.level3.com
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.lumen.tech ⚠️ 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.lumen.tech ⚠️ 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
TXTv=spf1 -all
SOAauthns1.qwest.netabuse@centurylinkservices.net serial=2210728001

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759719136

Same first word

qfiber.tv
qfiber.store
qfiber.live
qfiber.network
qfiber.it
qfiber.com
qfiber.co
qfiber.co.il

Similar names

qfibre.com
befiqr.com
fiberq.com
qbfire.com
bqfire.com
qbrief.com
befiqr.in
briefq.com

DNS History

5 records (5 active, 0 former)

NSauthns1.lumen.techauthns1.qwest.netauthns2.lumen.techauthns2.qwest.netA4.68.54.34
●NSauthns1.lumen.tech2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-27 16:55:42
● 2026-07-29 06:24:14
●NSauthns1.qwest.net2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-27 16:55:42
● 2026-07-29 06:24:14
●NSauthns2.lumen.tech2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-27 16:55:42
● 2026-07-29 06:24:14
●NSauthns2.qwest.net2026-07-27 → 2026-07-29 · 2 obs
● 2026-07-27 16:55:42
● 2026-07-29 06:24:14
●A4.68.54.342026-07-27 → 2026-07-29 · 2 obs
● 2026-07-27 16:55:42
● 2026-07-29 06:24:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coc.registrydns.co, a.registrydns.co, b.registrydns.co, d.registrydns.co-
qfiber.coauthns1.lumen.tech, authns2.lumen.tech-

✅ Authoritative Response

Server:208.44.130.120

NS records: authns1.lumen.tech, authns2.lumen.tech

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qfiber.co (unsigned zone)

⏱️ Timing

Total: 447ms | Queries: -

📄 Records

TypeCountSample Data
A14.68.54.34
NS2authns2.qwest.net, authns1.qwest.net
TXT1v=spf1 -all
SOA1authns1.qwest.net abuse.centurylinkservi

Analysis

IP Addresses

qfiber.co directs to one IP number, which is 4.68.54.34.

Among the host names that share IP numbers with qfiber.co are lumen.co.it, quantumfiber.info, exodus.net and two others.

Name Servers

The domain qfiber.co is delegated to these four name servers: authns1.qwest.net, authns2.qwest.net, authns1.lumen.tech and authns2.lumen.tech.

qfiber.co shares at least some of its name servers with other domains, including flymccarran.com, 16.237.63.in-addr.arpa, heln.qwest.net and two others.

These name servers are frequently seen alongside authns1.centurylink.net, authns2.centurylink.net, ns1.kmcmail.net and 7 other name servers.

All four of authns1.qwest.net, authns2.qwest.net, authns1.lumen.tech and authns2.lumen.tech carry exactly two IP addresses each. authns1.qwest.net and authns1.lumen.tech share IP addresses 63.150.72.4 and 2001:428::5, and authns2.qwest.net and authns2.lumen.tech share IP addresses 208.44.130.120 and 2001:428::6.

These two host names — authns1.qwest.net and authns1.lumen.tech — each point to 2001:428::5 IP addresses.

These two host names — authns1.qwest.net and authns1.lumen.tech — each point to 63.150.72.4 IP addresses.

These two host names — authns2.qwest.net and authns2.lumen.tech — each point to 2001:428::6 IP addresses.

These two host names — authns2.qwest.net and authns2.lumen.tech — each point to 208.44.130.120 IP addresses.