`centurylinkhelp.com`

DNSSEC	⚠️ Not signed
A	155.70.44.25^{🇺🇸 AS7359155.70.32.0/20}
A	155.70.55.25^{🇺🇸 AS4015155.70.48.0/20}
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=2201217000

`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=1785484792

Same first word

centurylinkhelp.com

DNS History

6 records (6 active, 0 former)

●NSauthns1.centurylink.net2026-07-27 → 2026-07-31 · 3 obs

○ 2016-07-11 06:55:18
● 2026-07-27 17:01:50
● 2026-07-31 08:25:26

●NSauthns1.qwest.net2016-07-11 → 2026-07-31 · 2 obs

● 2016-07-11 06:55:18
● 2026-07-31 08:25:26

●NSauthns2.centurylink.net2026-07-27 → 2026-07-31 · 3 obs

○ 2016-07-11 06:55:18
● 2026-07-27 17:01:50
● 2026-07-31 08:25:26

●NSauthns2.qwest.net2016-07-11 → 2026-07-31 · 2 obs

● 2016-07-11 06:55:18
● 2026-07-31 08:25:26

●A155.70.44.252016-07-11 → 2026-07-31 · 2 obs

● 2016-07-11 06:55:18
● 2026-07-31 08:25:26

●A155.70.55.252016-07-11 → 2026-07-31 · 2 obs

● 2016-07-11 06:55:18
● 2026-07-31 08:25:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
centurylinkhelp.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 centurylinkhelp.com (unsigned zone)

⏱️ Timing

Total: 320ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`155.70.55.25, 155.70.44.25`
NS	2	`authns1.qwest.net, authns2.qwest.net`
TXT	1	`v=spf1 -all`
SOA	1	`authns1.qwest.net dns-admin.qwestip.net`

Analysis

IP Addresses

centurylinkhelp.com has two IP addresses: 155.70.44.25 and 155.70.55.25

Among the host names that share IP numbers with centurylinkhelp.com are centurylink.se, globalcloudfranchise.at, 216-166-192-119.none.madisonriver.net and two others.

Name Servers

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

There is at least partial name server overlap between centurylinkhelp.com and other domains — 174.34.69.in-addr.arpa, 232.238.63.in-addr.arpa, 23.47.208.in-addr.arpa and two more among them.

These name servers regularly appear alongside ns1.kmcmail.net, ns2.kmcmail.net, ns1.principal.com and 3 other name servers in NS record sets.

Four hosts, each with two IP addresses: authns1.centurylink.net and authns1.qwest.net point to 63.150.72.4 and 2001:428::5; authns2.centurylink.net and authns2.qwest.net point to 208.44.130.120 and 2001:428::6.

The host names authns1.centurylink.net and authns1.qwest.net both resolve to 2001:428::5 IP addresses.

The host names authns1.centurylink.net and authns1.qwest.net both resolve to 63.150.72.4 IP addresses.

The host names authns2.centurylink.net and authns2.qwest.net both resolve to 2001:428::6 IP addresses.

The host names authns2.centurylink.net and authns2.qwest.net both resolve to 208.44.130.120 IP addresses.

centurylinkhelp.com - robtex.com