`firstcityinternet.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:470f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a8fd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.15^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.253^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`felipe.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c374^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`felipe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2374^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`felipe.ns.cloudflare.com`
		A	108.162.195.116^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	162.159.44.116^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
		A	172.64.35.116^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`felipe.ns.cloudflare.com`
NS	`hattie.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hattie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hattie.ns.cloudflare.com`
		A	108.162.194.172^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	162.159.38.172^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
		A	172.64.34.172^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hattie.ns.cloudflare.com`
MX	`relay01.firstcityinternet.com` ⭐
		A	2602:fb8c:0:2::35^{🇺🇸 AS195862602:fb8c::/48 3 W. Garden Street Suite 214 Pensacola FL 32502 United States}
			PTR	`relay01.firstcityinternet.com`
		A	204.15.112.35^{🇺🇸 AS19586204.15.112.0/24 3 W. Garden Street Suite 214 Pensacola FL 32502 United States}
			PTR	`relay01.firstcityinternet.com`
MX	`relay02.firstcityinternet.com`⁽²⁰⁾
		A	2602:fb8c:0:2::36^{🇺🇸 AS195862602:fb8c::/48 3 W. Garden Street Suite 214 Pensacola FL 32502 United States}
			PTR	`relay02.firstcityinternet.com`
		A	204.15.112.36^{🇺🇸 AS19586204.15.112.0/24 3 W. Garden Street Suite 214 Pensacola FL 32502 United States}
			PTR	`relay02.firstcityinternet.com`
TXT	`MS=ms23377616`
TXT	`google-site-verification=Vt--D4hrvE_Oi9L3WJq3c1Ju3fsnHV88JEnKM7du35E`
TXT	`site24x7-signals-domain-verification=d51e4a4d4d9cace4f6bcde94176ba099`
TXT	`v=spf1 a:relay01.firstcityinternet.com a:relay02.firstcityinternet.com a:mail...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.71.15, 172.67.168.253
		IPv6	2606:4700:3035::6815:470f, 2606:4700:3035::ac43:a8fd
SOA	`felipe.ns.cloudflare.com`dns@cloudflare.com serial=2398838733

`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=1771291435

📈 Tranco rank: #644,300

Subdomains

ns4.firstcityinternet.com

relay02.firstcityinternet.com

relay01.firstcityinternet.com

ns2.firstcityinternet.com

ns3.firstcityinternet.com

mail.firstcityinternet.com

ns1.firstcityinternet.com

Same first word

firstcityinternet.com

DNS History

14 records (8 active, 6 former)

●NSfelipe.ns.cloudflare.com2026-02-23 → 2026-03-19 · 2 obs

● 2026-02-23 15:51:36
● 2026-03-19 18:44:48

●NShattie.ns.cloudflare.com2026-02-23 → 2026-03-19 · 2 obs

● 2026-02-23 15:51:36
● 2026-03-19 18:44:48

○MXmail.b-io.co2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 13:26:08
○ 2017-09-29 20:34:58
○ 2026-03-19 18:44:48

●MXrelay01.firstcityinternet.com2026-02-23 → 2026-03-19 · 3 obs

○ 2017-09-29 20:34:58
● 2026-02-23 15:51:36
● 2026-03-19 18:44:48

●MXrelay02.firstcityinternet.com2026-02-23 → 2026-03-19 · 3 obs

○ 2017-09-29 20:34:58
● 2026-02-23 15:51:36
● 2026-03-19 18:44:48

●A104.21.71.152026-02-23 → 2026-03-19 · 6 obs

○ 2017-09-29 20:34:58
● 2026-02-23 15:51:36
● 2026-02-25 16:32:58
○ 2026-03-17 03:49:48
● 2026-03-19 03:04:28
● 2026-03-19 18:44:48

●A172.67.168.2532026-02-23 → 2026-03-19 · 6 obs

○ 2017-09-29 20:34:58
● 2026-02-23 15:51:36
● 2026-02-25 16:32:58
○ 2026-03-17 03:49:48
● 2026-03-19 03:04:28
● 2026-03-19 18:44:48

○A188.114.96.02026-03-17 → 2026-03-17 · 5 obs

○ 2026-02-23 15:51:36
○ 2026-02-25 16:32:58
● 2026-03-17 03:49:48
○ 2026-03-19 03:04:28
○ 2026-03-19 18:44:48

○A188.114.97.02026-03-17 → 2026-03-17 · 5 obs

○ 2026-02-23 15:51:36
○ 2026-02-25 16:32:58
● 2026-03-17 03:49:48
○ 2026-03-19 03:04:28
○ 2026-03-19 18:44:48

○A208.91.197.1322016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 13:26:08
○ 2017-09-29 20:34:58
○ 2026-03-19 18:44:48

●A2606:4700:3035::6815:470f2026-02-23 → 2026-03-19 · 6 obs

○ 2017-09-29 20:34:58
● 2026-02-23 15:51:36
● 2026-02-25 16:32:58
○ 2026-03-17 03:49:48
● 2026-03-19 03:04:28
● 2026-03-19 18:44:48

●A2606:4700:3035::ac43:a8fd2026-02-23 → 2026-03-19 · 6 obs

○ 2017-09-29 20:34:58
● 2026-02-23 15:51:36
● 2026-02-25 16:32:58
○ 2026-03-17 03:49:48
● 2026-03-19 03:04:28
● 2026-03-19 18:44:48

○A2a06:98c1:3120::2026-03-17 → 2026-03-17 · 5 obs

○ 2026-02-23 15:51:36
○ 2026-02-25 16:32:58
● 2026-03-17 03:49:48
○ 2026-03-19 03:04:28
○ 2026-03-19 18:44:48

○A2a06:98c1:3121::2026-03-17 → 2026-03-17 · 5 obs

○ 2026-02-23 15:51:36
○ 2026-02-25 16:32:58
● 2026-03-17 03:49:48
○ 2026-03-19 03:04:28
○ 2026-03-19 18:44:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstcityinternet.com	hattie.ns.cloudflare.com, felipe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.194.172

NS records: hattie.ns.cloudflare.com, felipe.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 189ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.253, 104.21.71.15`
AAAA	2	`2606:4700:3035::6815:470f, 2606:4700:3035::ac43:a8fd`
NS	2	`felipe.ns.cloudflare.com, hattie.ns.cloudflare.com`
MX	2	`relay01.firstcityinternet.com (pri: 10), relay02.firstcityinternet.com (pri: 20)`
TXT	4	`MS=ms23377616, google-site-verification=Vt--D4hrvE_Oi9L...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`felipe.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hattie.ns.cloudflare.com, hattie.ns.cloudflare.com, hattie.ns.cloudflare.com...)

Analysis

Hierarchy

firstcityinternet.com is a parent of ns4.firstcityinternet.com, relay02.firstcityinternet.com, relay01.firstcityinternet.com, ns2.firstcityinternet.com, ns3.firstcityinternet.com and several other host names.

IP Addresses

firstcityinternet.com resolves to four IP numbers: 2606:4700:3035::6815:470f, 2606:4700:3035::ac43:a8fd, 104.21.71.15 and 172.67.168.253.

other host names for instance team624.org, clgsingapore.com.cdn.cloudflare.net, zs1687.com, www.2surge.com and gavingraham.com share IP numbers with firstcityinternet.com.

Name Servers

firstcityinternet.com is delegated to two name servers: felipe.ns.cloudflare.com and hattie.ns.cloudflare.com.

firstcityinternet.com shares the same name server setup as other domains, for example danbab(0x636f636b).com, pharmacare-phms.com, a-perfect.net, gridsouth.com and rdtest.cn.

firstcityinternet.com at least partially shares name servers with other domains, for instance hosting4games.com, csr24.co.uk, qian27.com, jq8qrngu575m.online and ipcl0ud.com.

These name servers are often used with jakub.ns.cloudflare.com and kimora.ns.cloudflare.com.

Host names with six IP numbers:

felipe.ns.cloudflare.com points to: 2606:4700:58::a29f:2c74, 2803:f800:50::6ca2:c374, 2a06:98c1:50::ac40:2374, 108.162.195.116, 162.159.44.116 and 172.64.35.116; hattie.ns.cloudflare.com points to: 2606:4700:50::a29f:26ac, 2803:f800:50::6ca2:c2ac, 2a06:98c1:50::ac40:22ac, 108.162.194.172, 162.159.38.172 and 172.64.34.172.

Mail Servers

firstcityinternet.com is handled by two mail servers: relay01.firstcityinternet.com and relay02.firstcityinternet.com.

firstcityinternet.com shares the same mail server setup as other domains, for instance n0m0fud.com, creativedata.net, diverecord.com, gracebiblebaptistchurchpensacola.org and gridsouth.com.

Host names with two IP numbers:

relay01.firstcityinternet.com points to 2602:fb8c:0:2::35 and 204.15.112.35

relay02.firstcityinternet.com points to 2602:fb8c:0:2::36 and 204.15.112.36

firstcityinternet.com - robtex.com