firstco.com - dns.ninja

`firstco.com`

DNSSEC	⚠️ Not signed
A	141.193.213.20^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.21^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`ns53.worldnic.com` ⭐
		A	162.159.26.165^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns54.worldnic.com`
		A	162.159.27.8^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`d258425a.ess.barracudanetworks.com` ⭐
		A	209.222.82.252^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
MX	`d258425b.ess.barracudanetworks.com`⁽²⁰⁾
		A	209.222.82.252^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.253^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
		A	209.222.82.255^{🇺🇸 Amazon209.222.82.0/24 EC2 Prefix}
			PTR	`mail.ess.barracuda.com`
TXT	`5pkmj8pva5thacbvabsvvlic`
TXT	`MS=ms59163664`
TXT	`google-site-verification=Vov8rJ4nvqCtPY2lHUsyBbZSonQfGf3RXx86CNvuqxQ`
TXT	`v=spf1 a mx ip4:209.39.20.0/24 include:spf.mandrillapp.com include:amazonses....`
TXT	`6341phnmk40n6dddamn16euiag`
TXT	`5pkmj8pvsva5thacbvabsvvlic`
TXT	`brevo-code:7566ceb91341e4bc8867f56e0764e238`
TXT	`anthropic-domain-verification-axtn5r=gq8ddZtAs09heccZZYDWUSSu7`
TXT	`s75og02lhpm59tcc91p1gd0c08`
SOA	`NS53.WORLDNIC.com`namehost@WORLDNIC.com serial=126061610

`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=1782728685

Subdomains

www.firstco.com

barracuda.firstco.com

Same first word

firstco.org

firstco.com.tw

firstco.com

firstco.uk.com

firstco.co.uk

firstco.net

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DNS History

13 records (6 active, 7 former)

○NSdns.firstco.com2016-04-10 → 2016-04-10 · 4 obs

○ 2016-01-05 07:03:14
● 2016-04-10 11:05:02
○ 2016-11-25 23:47:14
○ 2026-06-29 10:46:18

○NSdns2.firstco.com2016-04-10 → 2016-04-10 · 4 obs

○ 2016-01-05 07:03:14
● 2016-04-10 11:05:02
○ 2016-11-25 23:47:14
○ 2026-06-29 10:46:18

○NSns1.firstco.com2015-05-22 → 2016-11-25 · 6 obs

● 2015-05-22 11:21:18
● 2016-01-05 07:03:14
○ 2016-04-10 11:05:02
● 2016-11-25 23:47:14
○ 2026-02-17 13:42:10
○ 2026-06-29 10:46:18

○NSns2.firstco.com2015-05-22 → 2016-11-25 · 6 obs

● 2015-05-22 11:21:18
● 2016-01-05 07:03:14
○ 2016-04-10 11:05:02
● 2016-11-25 23:47:14
○ 2026-02-17 13:42:10
○ 2026-06-29 10:46:18

●NSns53.worldnic.com2026-02-17 → 2026-06-29 · 3 obs

○ 2016-11-25 23:47:14
● 2026-02-17 13:42:10
● 2026-06-29 10:46:18

●NSns54.worldnic.com2026-02-17 → 2026-06-29 · 3 obs

○ 2016-11-25 23:47:14
● 2026-02-17 13:42:10
● 2026-06-29 10:46:18

○MXbarracuda.firstco.com2015-05-22 → 2016-11-25 · 4 obs

● 2015-05-22 11:21:18
● 2016-11-25 23:47:14
○ 2026-02-17 13:42:10
○ 2026-06-29 10:46:18

●MXd258425a.ess.barracudanetworks.com2026-02-17 → 2026-06-29 · 3 obs

○ 2016-11-25 23:47:14
● 2026-02-17 13:42:10
● 2026-06-29 10:46:18

●MXd258425b.ess.barracudanetworks.com2026-02-17 → 2026-06-29 · 3 obs

○ 2016-11-25 23:47:14
● 2026-02-17 13:42:10
● 2026-06-29 10:46:18

●A141.193.213.202026-02-17 → 2026-06-29 · 3 obs

○ 2016-11-25 23:47:14
● 2026-02-17 13:42:10
● 2026-06-29 10:46:18

●A141.193.213.212026-02-17 → 2026-06-29 · 3 obs

○ 2016-11-25 23:47:14
● 2026-02-17 13:42:10
● 2026-06-29 10:46:18

○A209.39.20.1502015-05-22 → 2016-11-25 · 4 obs

● 2015-05-22 11:21:18
● 2016-11-25 23:47:14
○ 2026-02-17 13:42:10
○ 2026-06-29 10:46:18

○A209.39.20.1752015-05-22 → 2016-04-10 · 4 obs

● 2015-05-22 11:21:18
● 2016-04-10 11:05:02
○ 2016-11-25 23:47:14
○ 2026-06-29 10:46:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...	-
firstco.com	ns53.worldnic.com, ns54.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.165

NS records: ns53.worldnic.com, ns54.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstco.com (unsigned zone)

⏱️ Timing

Total: 244ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.20, 141.193.213.21`
NS	2	`ns53.worldnic.com, ns54.worldnic.com`
MX	2	`d258425a.ess.barracudanetworks.com (pri:, d258425b.ess.barracudanetworks.com (pri:`
TXT	9	`5pkmj8pva5thacbvabsvvlic, MS=ms59163664...`
SOA	1	`NS53.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns53.worldnic.com, ns54.worldnic.com)

Analysis

Hierarchy

www.firstco.com and barracuda.firstco.com each fall under firstco.com as their parent domain.

IP Addresses

firstco.com resolves to the IP addresses 141.193.213.20 and 141.193.213.21

Two other host names, along with vitexsystems.com, bettycrocker.co.in and highlandeurope.com, also share IP numbers with firstco.com.

Name Servers

The NS records for firstco.com delegate to ns53.worldnic.com and ns54.worldnic.com.

firstco.com shares its NS records with other domains, for example vcp.vc, mtcap.com, eutronix.net and two others.

firstco.com and other domains like castellolopesmultimedia.com, kiscosales.com and wetrosky.com share some name servers

ns53.worldnic.com and ns54.worldnic.com each resolve to one IP number: ns53.worldnic.com points to 162.159.26.165 and ns54.worldnic.com points to 162.159.27.8.

Mail Servers

firstco.com is served by two mail servers, d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com.

d258425a.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255; likewise, d258425b.ess.barracudanetworks.com points to 209.222.82.252, 209.222.82.253 and 209.222.82.255.

d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com each have 209.222.82.252 IP addresses.

d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com each have 209.222.82.253 IP addresses.

d258425a.ess.barracudanetworks.com and d258425b.ess.barracudanetworks.com each have 209.222.82.255 IP addresses.