`passcdiscountmobile.com`

DNSSEC	⚠️ Not signed
NS	`a4.nstld.com` ⚠️ Not in zone NS records
		A	2600:180a:1001::1^{🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network}
			PTR	`ns11.constellix.com`
		A	96.45.80.1^{🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24}
			PTR	`ns11.constellix.com`
NS	`f4.nstld.com` ⚠️ Not in zone NS records
		A	2600:180b:2001::1^{🇺🇸 Tiggee2600:180b:2001::/48 Constellix anycast network}
			PTR	`ns21.constellix.com`
		A	46.31.236.1^{🇺🇸 Tiggee46.31.236.0/24 route 46.31.236.0/24}
			PTR	`ns21.constellix.com`
NS	`g4.nstld.com` ⚠️ Not in zone NS records
		A	2600:180c:3001::1^{🇺🇸 Tiggee2600:180c:3001::/48 Constellix anycast network}
			PTR	`ns31.constellix.com`
		A	43.247.170.1^{🇯🇵 Tiggee43.247.170.0/24 route 43.247.170.0/24}
			PTR	`ns31.constellix.com`
NS	`l4.nstld.com` ⚠️ Not in zone NS records
		A	2600:180a:1001::1^{🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network}
			PTR	`ns11.constellix.com`
		A	96.45.80.1^{🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24}
			PTR	`ns11.constellix.com`

`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=1776008847

Same first word

passcdiscountmobile.com

DNS History

4 records (4 active, 0 former)

●NSa4.nstld.com2008-03-15 → 2026-04-12 · 4 obs

● 2008-03-15 16:06:02
○ 2015-08-02 13:29:24
● 2026-03-03 06:25:54
● 2026-04-12 15:51:50

●NSf4.nstld.com2008-03-15 → 2026-04-12 · 4 obs

● 2008-03-15 16:06:02
○ 2015-08-02 13:29:24
● 2026-03-03 06:25:54
● 2026-04-12 15:51:50

●NSg4.nstld.com2008-03-15 → 2026-04-12 · 4 obs

● 2008-03-15 16:06:02
○ 2015-08-02 13:29:24
● 2026-03-03 06:25:54
● 2026-04-12 15:51:50

●NSl4.nstld.com2008-03-15 → 2026-04-12 · 4 obs

● 2008-03-15 16:06:02
○ 2015-08-02 13:29:24
● 2026-03-03 06:25:54
● 2026-04-12 15:51:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
passcdiscountmobile.com	l4.nstld.com, a4.nstld.com, f4.nstld.com, g4.nstld.com	8 records

✅ Authoritative Response

Server:43.247.170.1

NS records: l4.nstld.com, a4.nstld.com, f4.nstld.com, g4.nstld.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for passcdiscountmobile.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (l4.nstld.com, l4.nstld.com, a4.nstld.com...)

Analysis

Name Servers

passcdiscountmobile.com delegates to four name servers: a4.nstld.com, f4.nstld.com, g4.nstld.com and l4.nstld.com.

passcdiscountmobile.com at least partially shares name servers with other domains, for instance warnermusicarchive.com, thawte.us, qualcommfyx.com, ncs-research.com and verisigntrustservices.tv.

These name servers are commonly used with j4.nstld.com, h4.nstld.com, k4.nstld.com, a1.verisigndns.com, a2.verisigndns.com and a3.verisigndns.com.

Host names with two IP numbers:

- a4.nstld.com points to 2600:180a:1001::1 and 96.45.80.1

- f4.nstld.com points to 2600:180b:2001::1 and 46.31.236.1

- g4.nstld.com points to 2600:180c:3001::1 and 43.247.170.1

- l4.nstld.com points to 2600:180a:1001::1 and 96.45.80.1

Host names that point to 2600:180a:1001::1: a4.nstld.com and l4.nstld.com

Host names that point to 96.45.80.1: a4.nstld.com and l4.nstld.com

passcdiscountmobile.com - robtex.com