`firstadvcorp.com`

DNSSEC	⚠️ Not signed
NS	`ns1-04.azure-dns.com` ⭐
		A	2603:1061:0:700::4^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-04.azure-dns.com`
		A	13.107.236.4^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-04.azure-dns.com`
NS	`ns2-04.azure-dns.net`
		A	2620:1ec:8ec:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-04.azure-dns.net`
		A	150.171.21.4^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-04.azure-dns.net`
NS	`ns3-04.azure-dns.org`
		A	2a01:111:4000:700::4^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-04.azure-dns.org`
		A	204.14.183.4^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-04.azure-dns.org`
NS	`ns4-04.azure-dns.info`
		A	2620:1ec:bda:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-04.azure-dns.info`
		A	208.84.5.4^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-04.azure-dns.info`
TXT	`v=spf1 -all`
SOA	`ns1-04.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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=1786236549

Same first word

firstadvcorp.com

DNS History

8 records (4 active, 4 former)

●NSns1-04.azure-dns.com2026-07-26 → 2026-08-09 · 3 obs

○ 2026-05-08 03:44:08
● 2026-07-26 23:39:00
● 2026-08-09 01:09:38

●NSns2-04.azure-dns.net2026-07-26 → 2026-08-09 · 3 obs

○ 2026-05-08 03:44:08
● 2026-07-26 23:39:00
● 2026-08-09 01:09:38

●NSns3-04.azure-dns.org2026-07-26 → 2026-08-09 · 3 obs

○ 2026-05-08 03:44:08
● 2026-07-26 23:39:00
● 2026-08-09 01:09:38

●NSns4-04.azure-dns.info2026-07-26 → 2026-08-09 · 3 obs

○ 2026-05-08 03:44:08
● 2026-07-26 23:39:00
● 2026-08-09 01:09:38

○NSns51.worldnic.com2015-06-03 → 2026-05-08 · 4 obs

● 2015-06-03 19:47:08
● 2026-05-08 03:44:08
○ 2026-07-26 23:39:00
○ 2026-08-09 01:09:38

○NSns52.worldnic.com2015-06-03 → 2026-05-08 · 4 obs

● 2015-06-03 19:47:08
● 2026-05-08 03:44:08
○ 2026-07-26 23:39:00
○ 2026-08-09 01:09:38

○MXp.webcom.ctmail.com2015-12-29 → 2017-03-27 · 4 obs

● 2015-12-29 21:24:06
● 2017-03-27 23:07:56
○ 2020-02-29 19:48:42
○ 2026-08-09 01:09:38

○A216.234.133.1332015-06-03 → 2026-05-08 · 4 obs

● 2015-06-03 19:47:08
● 2026-05-08 03:44:08
○ 2026-07-26 23:39:00
○ 2026-08-09 01:09:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstadvcorp.com	ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info	2 records

✅ Authoritative Response

Server:208.84.5.4

NS records: ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstadvcorp.com (unsigned zone)

⏱️ Timing

Total: 224ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1-04.azure-dns.com, ns2-04.azure-dns.net...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1-04.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-04.azure-dns.com, ns1-04.azure-dns.com)

Analysis

Name Servers

firstadvcorp.com has four authoritative name servers: ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.

firstadvcorp.com shares at least some of its name servers with other domains, including dtsfluidpower.com, midtownmedical.com.au, dynamics365supplychainmanagement.net and two others.

The host names ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org each resolve to two IP addresses: ns1-04.azure-dns.com resolves to 13.107.236.4 and 2603:1061:0:700::4; ns4-04.azure-dns.info resolves to 208.84.5.4 and 2620:1ec:bda:700::4; ns2-04.azure-dns.net resolves to 150.171.21.4 and 2620:1ec:8ec:700::4; ns3-04.azure-dns.org resolves to 204.14.183.4 and 2a01:111:4000:700::4.

firstadvcorp.com - robtex.com