`centurylinkplan.com`

DNSSEC	⚠️ Not signed
NS	`authns1.qwest.net` ⭐ ⚠️ Not in parent delegation
		A	2001:428::5^{🇺🇸 AS2092001:428::/32}
			PTR	`authns1.qwest.net`
		A	63.150.72.4^{🇺🇸 AS20963.144.0.0/12}
			PTR	`authns1.centurylink.net`
			PTR	`authns1.qwest.net`
			PTR	`authns1.lumen.tech`
NS	`authns1.centurylink.net` ⚠️ Not in zone NS records
		A	2001:428::5^{🇺🇸 AS2092001:428::/32}
			PTR	`authns1.qwest.net`
		A	63.150.72.4^{🇺🇸 AS20963.144.0.0/12}
			PTR	`authns1.centurylink.net`
			PTR	`authns1.qwest.net`
			PTR	`authns1.lumen.tech`
NS	`authns2.centurylink.net` ⚠️ Not in zone NS records
		A	2001:428::6^{🇺🇸 AS2092001:428::/32}
			PTR	`authns2.qwest.net`
		A	208.44.130.120^{🇺🇸 AS209208.44.0.0/14}
			PTR	`authns2.centurylink.net`
			PTR	`authns2.qwest.net`
			PTR	`authns2.lumen.tech`
NS	`authns2.qwest.net` ⚠️ Not in parent delegation
		A	2001:428::6^{🇺🇸 AS2092001:428::/32}
			PTR	`authns2.qwest.net`
		A	208.44.130.120^{🇺🇸 AS209208.44.0.0/14}
			PTR	`authns2.centurylink.net`
			PTR	`authns2.qwest.net`
			PTR	`authns2.lumen.tech`
TXT	`v=spf1 -all`
SOA	`authns1.qwest.net`dns-admin@qwestip.net serial=2210113001

`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.net`nstld@verisign-grs.com serial=1785348307

Same first word

centurylinkplan.com

DNS History

4 records (4 active, 0 former)

●NSauthns1.centurylink.net2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 17:01:06
● 2026-07-29 18:11:54

●NSauthns1.qwest.net2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 17:01:06
● 2026-07-29 18:11:54

●NSauthns2.centurylink.net2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 17:01:06
● 2026-07-29 18:11:54

●NSauthns2.qwest.net2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 17:01:06
● 2026-07-29 18:11:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
centurylinkplan.com	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 centurylinkplan.com (unsigned zone)

⏱️ Timing

Total: 165ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`authns1.qwest.net, authns2.qwest.net`
TXT	1	`v=spf1 -all`
SOA	1	`authns1.qwest.net dns-admin.qwestip.net`

Analysis

Name Servers

The domain centurylinkplan.com is delegated to these four name servers: authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net.

centurylinkplan.com partially shares its NS delegation with several other domains, including 187.181.209.in-addr.arpa, 233.143.49.in-addr.arpa, 103.54.71.in-addr.arpa and two others.

In DNS configurations, these name servers often share authority with ns1.kmcmail.net, ns2.kmcmail.net, dca-ans-01.inet.qwest.net and 5 other name servers.

The hostnames authns1.centurylink.net, authns2.centurylink.net, authns1.qwest.net and authns2.qwest.net each resolve to two IP addresses. authns1.centurylink.net and authns1.qwest.net both point to 63.150.72.4 and 2001:428::5, while authns2.centurylink.net and authns2.qwest.net both resolve to 208.44.130.120 and 2001:428::6.

authns1.centurylink.net and authns1.qwest.net are host names that each point to 2001:428::5 IP addresses.

authns1.centurylink.net and authns1.qwest.net are host names that each point to 63.150.72.4 IP addresses.

authns2.centurylink.net and authns2.qwest.net are host names that each point to 2001:428::6 IP addresses.

authns2.centurylink.net and authns2.qwest.net are host names that each point to 208.44.130.120 IP addresses.

centurylinkplan.com - robtex.com