`extended-validation.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=1775986782

Same first word

extended-validation.com

DNS History

8 records (4 active, 4 former)

●NSa4.nstld.com2015-06-25 → 2026-04-12 · 5 obs

● 2015-06-25 02:50:26
● 2017-03-20 04:34:16
○ 2020-01-20 23:09:58
● 2026-04-09 06:58:54
● 2026-04-12 09:47:10

○NSdns1.cscdns.net2020-01-20 → 2020-01-20 · 4 obs

○ 2017-03-20 04:34:16
● 2020-01-20 23:09:58
○ 2026-04-09 06:58:54
○ 2026-04-12 09:47:10

○NSdns2.cscdns.net2020-01-20 → 2020-01-20 · 4 obs

○ 2017-03-20 04:34:16
● 2020-01-20 23:09:58
○ 2026-04-09 06:58:54
○ 2026-04-12 09:47:10

●NSf4.nstld.com2015-06-25 → 2026-04-12 · 5 obs

● 2015-06-25 02:50:26
● 2017-03-20 04:34:16
○ 2020-01-20 23:09:58
● 2026-04-09 06:58:54
● 2026-04-12 09:47:10

●NSg4.nstld.com2015-06-25 → 2026-04-12 · 5 obs

● 2015-06-25 02:50:26
● 2017-03-20 04:34:16
○ 2020-01-20 23:09:58
● 2026-04-09 06:58:54
● 2026-04-12 09:47:10

●NSl4.nstld.com2015-06-25 → 2026-04-12 · 5 obs

● 2015-06-25 02:50:26
● 2017-03-20 04:34:16
○ 2020-01-20 23:09:58
● 2026-04-09 06:58:54
● 2026-04-12 09:47:10

○A165.160.13.202015-06-25 → 2020-01-20 · 4 obs

● 2015-06-25 02:50:26
● 2020-01-20 23:09:58
○ 2026-04-09 06:58:54
○ 2026-04-12 09:47:10

○A165.160.15.202015-06-25 → 2020-01-20 · 4 obs

● 2015-06-25 02:50:26
● 2020-01-20 23:09:58
○ 2026-04-09 06:58:54
○ 2026-04-12 09:47:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...	-
extended-validation.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 extended-validation.com (unsigned zone)

⏱️ Timing

Total: 100ms | 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

extended-validation.com is delegated to four name servers: a4.nstld.com, f4.nstld.com, g4.nstld.com and l4.nstld.com.

At least part of the name servers for extended-validation.com are shared with other domains, for instance kioskmaaf.com, mellonwealthmanagement.jobs, helicalcapital.org, wehatebnymellon.com and geotrustnorthamerica.com.

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

Hostnames 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

Hostnames pointing to 2600:180a:1001::1: a4.nstld.com and l4.nstld.com

Hostnames pointing to 96.45.80.1: a4.nstld.com and l4.nstld.com

extended-validation.com - robtex.com