firstcbt.com - robtex.com
firstcbt.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:20::681a:41cπΊπΈ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:20::681a:51cπΊπΈ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:453aπΊπΈ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.26.4.28Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.26.5.28Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.69.58πΊπΈ Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | gina.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3a75πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c075π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2075πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 108.162.192.117πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 172.64.32.117πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 173.245.58.117πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| NS | max.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b84πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | max.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c184π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | max.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2184πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | max.ns.cloudflare.com | ||||||
| A | 108.162.193.132πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | max.ns.cloudflare.com | ||||||
| A | 172.64.33.132πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | max.ns.cloudflare.com | ||||||
| A | 173.245.59.132πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | max.ns.cloudflare.com | ||||||
| MX | firstcbt.com.1.0001.arsmtp.com β | ||||||
| A | 8.31.233.203πΊπΈ APPRI-18.31.233.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US | ||||||
| PTR | encrypt212.appriver.com | ||||||
| MX | firstcbt.com.2.0001.arsmtp.com(20) | ||||||
| A | 8.19.118.203πΊπΈ AS133808.19.118.0/24 AppRiver, LLC 1101 Gulf Breeze Parkway Gulf Breeze, FL 32561 US | ||||||
| PTR | encrypt213.appriver.com | ||||||
| TXT | MS=D9289DA203C16BAA7D1E7CA2B592078F90D34DDF | ||||||
| TXT | google-site-verification=zqxHIs1UaYqiS0J86Nvm4_m3PX3UqJEpzq_fljqT-Kc | ||||||
| TXT | v=spf1 mx include:firstcbt-com.spf.smtp25.com include:mailgun.org a:outbd-pst... | ||||||
| HTTPS | HTTP/2 β hints match | ||||||
| IPv4 | 104.26.4.28, 104.26.5.28, 172.67.69.58 | ||||||
| IPv6 | 2606:4700:20::681a:41c, 2606:4700:20::681a:51c, 2606:4700:20::ac43:453a | ||||||
| SOA | gina.ns.cloudflare.comdns@cloudflare.com serial=2396713659 | ||||||
com
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.gtld-servers.net β | ||||||
| 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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Subdomains
mail.firstcbt.com |
Same first word
DNS History
22 records (10 active, 12 former)
βNSgina.ns.cloudflare.com2021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βNSmax.ns.cloudflare.com2021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βNSns23.domaincontrol.com2015-08-15 β 2015-08-15 Β· 3 obs
β 2015-12-09 20:49:36
β 2026-03-16 05:39:28
βNSns24.domaincontrol.com2015-08-15 β 2015-08-15 Β· 3 obs
β 2015-12-09 20:49:36
β 2026-03-16 05:39:28
βNSpdns07.domaincontrol.com2015-12-09 β 2017-08-17 Β· 5 obs
β 2015-12-09 20:49:36
β 2017-08-17 21:23:40
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βNSpdns08.domaincontrol.com2015-12-09 β 2017-08-17 Β· 5 obs
β 2015-12-09 20:49:36
β 2017-08-17 21:23:40
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βMXcluster6.us.messagelabs.com2015-08-15 β 2017-08-17 Β· 4 obs
β 2017-08-17 21:23:40
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βMXcluster6a.us.messagelabs.com2015-08-15 β 2017-08-17 Β· 4 obs
β 2017-08-17 21:23:40
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βMXfirstcbt-com.relay1g.spamh.com2021-11-05 β 2021-11-05 Β· 4 obs
β 2021-11-05 15:37:06
β 2026-02-16 23:06:16
β 2026-03-16 05:39:28
βMXfirstcbt-com.relay1h.spamh.com2021-11-05 β 2021-11-05 Β· 4 obs
β 2021-11-05 15:37:06
β 2026-02-16 23:06:16
β 2026-03-16 05:39:28
βMXfirstcbt-com.relay1i.spamh.com2021-11-05 β 2021-11-05 Β· 4 obs
β 2021-11-05 15:37:06
β 2026-02-16 23:06:16
β 2026-03-16 05:39:28
βMXfirstcbt.com.1.0001.arsmtp.com2026-02-16 β 2026-03-16 Β· 3 obs
β 2026-02-16 23:06:16
β 2026-03-16 05:39:28
βMXfirstcbt.com.2.0001.arsmtp.com2026-02-16 β 2026-03-16 Β· 3 obs
β 2026-02-16 23:06:16
β 2026-03-16 05:39:28
βMXzix01.compushare.com2015-08-15 β 2017-08-17 Β· 4 obs
β 2017-08-17 21:23:40
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βMXzix02.compushare.com2015-08-15 β 2017-08-17 Β· 4 obs
β 2017-08-17 21:23:40
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βA104.26.4.282021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βA104.26.5.282021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βA172.67.69.582021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βA2606:4700:20::681a:41c2021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βA2606:4700:20::681a:51c2021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βA2606:4700:20::ac43:453a2021-11-05 β 2026-03-16 Β· 3 obs
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
βA97.74.13.1272015-08-15 β 2017-08-17 Β· 4 obs
β 2017-08-17 21:23:40
β 2021-11-05 15:37:06
β 2026-03-16 05:39:28
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstcbt.com | gina.ns.cloudflare.com, max.ns.cloudflare.com | 12 records |
β Authoritative Response
Server: 108.162.192.117
NS records: gina.ns.cloudflare.com, max.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for firstcbt.com (unsigned zone)
β±οΈ Timing
Total: 328ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.26.4.28, 172.67.69.58... |
| AAAA | 3 | 2606:4700:20::681a:41c, 2606:4700:20::ac43:453a... |
| NS | 2 | gina.ns.cloudflare.com, max.ns.cloudflare.com |
| MX | 2 | firstcbt.com.1.0001.arsmtp.com (pri: 10), firstcbt.com.2.0001.arsmtp.com (pri: 20) |
| TXT | 3 | MS=D9289DA203C16BAA7D1E7CA2B592078F90D34, google-site-verification=zqxHIs1UaYqiS0J... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | gina.ns.cloudflare.com dns.cloudflare.co |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (gina.ns.cloudflare.com, gina.ns.cloudflare.com, gina.ns.cloudflare.com...)
Analysis
Hierarchy
firstcbt.com is the parent of mail.firstcbt.com.
IP Addresses
firstcbt.com points to six IP addresses: 2606:4700:20::681a:41c, 2606:4700:20::681a:51c, 2606:4700:20::ac43:453a, 104.26.4.28, 104.26.5.28 and 172.67.69.58.
For instance, other host names www.bate.ch, www.theatermania.com, first-001.com, hellathis.com and mysovi.ai share IP numbers with firstcbt.com.
Name Servers
firstcbt.com is delegated to two name servers: gina.ns.cloudflare.com and max.ns.cloudflare.com.
firstcbt.com uses the same name server setup as other domains such as dacd.org, isbalgona.com, firstbankofpike.com, progressivemobility.com and marbresmaso.com.
firstcbt.com shares name servers with other domains at least partially, for example activemotion-po.com, beyondtheraptor.com, windoq.com, lumingblog.cn and docme.in.
These name servers are commonly used with the name servers elisa.ns.cloudflare.com and pablo.ns.cloudflare.com.
Host names with six IP numbers: host name gina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a75, 2803:f800:50::6ca2:c075, 2a06:98c1:50::ac40:2075, 108.162.192.117, 172.64.32.117 and 173.245.58.117; host name max.ns.cloudflare.com points to: 2606:4700:58::adf5:3b84, 2803:f800:50::6ca2:c184, 2a06:98c1:50::ac40:2184, 108.162.193.132, 172.64.33.132 and 173.245.59.132.
Mail Servers
Two mail servers firstcbt.com.1.0001.arsmtp.com and firstcbt.com.2.0001.arsmtp.com handle firstcbt.com.
Host names with one IP number:
firstcbt.com.1.0001.arsmtp.com points to: 8.31.233.203.
firstcbt.com.2.0001.arsmtp.com points to: 8.19.118.203.