firststringusa.com - dns.ninja

`firststringusa.com`

DNSSEC	⚠️ Not signed
A	132.148.96.221^{🇺🇸 AS398101132.148.96.0/21}
		PTR	`221.96.148.132.host.secureserver.net`
NS	`ns57.domaincontrol.com` ⭐
		A	2603:5:21c2::1d^{🇺🇸 GODADDY-DNS2603:5:21c0::/44}
			PTR	`ns57.domaincontrol.com`
		A	97.74.108.29^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns57.domaincontrol.com`
NS	`ns41.domaincontrol.com` ⚠️ Not in parent delegation
		A	2603:5:2142::15^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns41.domaincontrol.com`
		A	97.74.100.21^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns41.domaincontrol.com`
NS	`ns42.domaincontrol.com` ⚠️ Not in parent delegation
		A	2603:5:2242::15^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns42.domaincontrol.com`
		A	173.201.68.21^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns42.domaincontrol.com`
NS	`ns58.domaincontrol.com`
		A	2603:5:22c2::1d^{🇺🇸 GODADDY-DNS2603:5:22c0::/44}
			PTR	`ns58.domaincontrol.com`
		A	173.201.76.29^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns58.domaincontrol.com`
MX	`firststringusa-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy4pr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c901::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00401.inbound.protection.outlook.com`
		A	52.101.50.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00404.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
TXT	`MS=ms49991836`
TXT	`v=spf1 ip4:75.51.222.149 ip4:75.51.222.155 ip4:75.51.222.156 ip4:98.6.218.222...`
SOA	`ns57.domaincontrol.com`dns@jomax.net 2026-04-21 #0

`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=1780819216

Same first word

firststringusa.com

firststringusa.net

DNS History

16 records (6 active, 10 former)

○NSdns019.a.register.com2015-07-15 → 2015-11-21 · 4 obs

● 2015-07-15 19:36:48
● 2015-11-21 06:53:50
○ 2016-02-13 00:17:26
○ 2026-06-07 08:14:10

○NSdns223.b.register.com2015-07-15 → 2015-11-21 · 4 obs

● 2015-07-15 19:36:48
● 2015-11-21 06:53:50
○ 2016-02-13 00:17:26
○ 2026-06-07 08:14:10

○NSdns236.c.register.com2015-07-15 → 2015-11-21 · 4 obs

● 2015-07-15 19:36:48
● 2015-11-21 06:53:50
○ 2016-02-13 00:17:26
○ 2026-06-07 08:14:10

○NSdns249.d.register.com2015-07-15 → 2015-11-21 · 4 obs

● 2015-07-15 19:36:48
● 2015-11-21 06:53:50
○ 2016-02-13 00:17:26
○ 2026-06-07 08:14:10

●NSns41.domaincontrol.com2016-02-13 → 2026-06-07 · 3 obs

○ 2015-11-21 06:53:50
● 2016-02-13 00:17:26
● 2026-06-07 08:14:10

●NSns42.domaincontrol.com2016-02-13 → 2026-06-07 · 3 obs

○ 2015-11-21 06:53:50
● 2016-02-13 00:17:26
● 2026-06-07 08:14:10

●NSns57.domaincontrol.com2016-02-13 → 2026-06-07 · 3 obs

○ 2015-11-21 06:53:50
● 2016-02-13 00:17:26
● 2026-06-07 08:14:10

●NSns58.domaincontrol.com2016-02-13 → 2026-06-07 · 3 obs

○ 2015-11-21 06:53:50
● 2016-02-13 00:17:26
● 2026-06-07 08:14:10

●MXfirststringusa-com.mail.protection.outlook.com2016-02-13 → 2026-06-07 · 3 obs

○ 2015-11-21 06:53:50
● 2016-02-13 00:17:26
● 2026-06-07 08:14:10

○MXfirststringusa.com.inbound10.mxlogic.net2015-07-15 → 2015-11-21 · 4 obs

● 2015-07-15 19:36:48
● 2015-11-21 06:53:50
○ 2016-02-13 00:17:26
○ 2026-06-07 08:14:10

○MXfirststringusa.com.inbound10.mxlogicmx.net2015-07-15 → 2015-11-21 · 4 obs

● 2015-07-15 19:36:48
● 2015-11-21 06:53:50
○ 2016-02-13 00:17:26
○ 2026-06-07 08:14:10

●A132.148.96.2212026-03-23 → 2026-06-07 · 3 obs

○ 2020-02-18 21:55:14
● 2026-03-23 20:13:50
● 2026-06-07 08:14:10

○A148.72.87.972020-02-18 → 2020-02-18 · 4 obs

○ 2017-03-23 03:31:04
● 2020-02-18 21:55:14
○ 2026-03-23 20:13:50
○ 2026-06-07 08:14:10

○A166.62.109.212017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-17 20:23:10
● 2017-03-23 03:31:04
○ 2020-02-18 21:55:14
○ 2026-06-07 08:14:10

○A184.168.47.2252015-11-21 → 2016-07-17 · 5 obs

○ 2015-07-15 19:36:48
● 2015-11-21 06:53:50
● 2016-07-17 20:23:10
○ 2017-03-23 03:31:04
○ 2026-06-07 08:14:10

○A206.188.192.1702015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 19:36:48
○ 2015-11-21 06:53:50
○ 2026-06-07 08:14:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
firststringusa.com	ns57.domaincontrol.com, ns58.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.108.29

NS records: ns57.domaincontrol.com, ns58.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firststringusa.com (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`132.148.96.221`
NS	4	`ns57.domaincontrol.com, ns58.domaincontrol.com...`
MX	1	`firststringusa-com.mail.protection.outlo`
TXT	2	`MS=ms49991836, v=spf1 ip4:75.51.222.149 ip4:75.51.222.1`
SOA	1	`ns57.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns57.domaincontrol.com, ns57.domaincontrol.com, ns58.domaincontrol.com...)

Analysis

IP Addresses

firststringusa.com resolves to just one IP address, 132.148.96.221.

Among the host names that share IP numbers with firststringusa.com is 221.96.148.132.host.secureserver.net, as one example.

Name Servers

The DNS delegation for firststringusa.com covers 4 name servers — ns41.domaincontrol.com, ns42.domaincontrol.com, ns57.domaincontrol.com and ns58.domaincontrol.com.

There is at least partial name server overlap between firststringusa.com and other domains — balbec.com, jgl.net, reverse.co and two more among them.

All four hostnames — ns41.domaincontrol.com, ns42.domaincontrol.com, ns57.domaincontrol.com and ns58.domaincontrol.com — resolve to two IP numbers apiece: ns41.domaincontrol.com to 97.74.100.21 and 2603:5:2142::15; ns42.domaincontrol.com to 173.201.68.21 and 2603:5:2242::15; ns57.domaincontrol.com to 97.74.108.29 and 2603:5:21c2::1d; ns58.domaincontrol.com to 173.201.76.29 and 2603:5:22c2::1d.

Mail Servers

The sole mail server for firststringusa.com is firststringusa-com.mail.protection.outlook.com.

firststringusa-com.mail.protection.outlook.com resolves to 8 IP numbers in total: 52.101.9.11, 52.101.50.1, 52.101.50.4 and five additional addresses.