bit-sys.com - dns.ninja

`bit-sys.com`

DNSSEC	⚠️ Not signed
NS	`ns-1690.awsdns-19.co.uk` ⭐
		A	2600:9000:5306:9a00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1690.awsdns-19.co.uk`
		A	205.251.198.154^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1690.awsdns-19.co.uk`
NS	`ns-1171.awsdns-18.org`
		A	2600:9000:5304:9300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1171.awsdns-18.org`
		A	205.251.196.147^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1171.awsdns-18.org`
NS	`ns-252.awsdns-31.com`
		A	2600:9000:5300:fc00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-252.awsdns-31.com`
		A	205.251.192.252^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-252.awsdns-31.com`
NS	`ns-822.awsdns-38.net`
		A	2600:9000:5303:3600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-822.awsdns-38.net`
		A	205.251.195.54^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-822.awsdns-38.net`
MX	`mailserver02a.caci.com` ⭐
		A	204.194.75.75^{🇺🇸 AS10298204.194.75.0/24 AS10298 proxy-registered route by Cogent}
			PTR	`mailserver02a.caci.com`
MX	`mailserver02b.caci.com` ⭐
		A	204.194.76.28^{🇺🇸 AS10298204.194.76.0/24}
			PTR	`mailserver02b.caci.com`
MX	`mailserver03a.caci.com` ⭐
		A	204.194.75.76^{🇺🇸 AS10298204.194.75.0/24 AS10298 proxy-registered route by Cogent}
			PTR	`mailserver03a.caci.com`
MX	`mailserver03b.caci.com` ⭐
		A	204.194.76.29^{🇺🇸 AS10298204.194.76.0/24}
			PTR	`mailserver03b.caci.com`
MX	`mailserver1a.caci.com` ⭐
		A	204.194.77.24^{🇺🇸 AS10298204.194.77.0/24}
			PTR	`mailserver1a.caci.com`
MX	`mailserver1b.caci.com` ⭐
		A	204.194.76.50^{🇺🇸 AS10298204.194.76.0/24}
			PTR	`mailserver1b.caci.com`
TXT	`6he-6oR-uvA`
TXT	`MS=EB12F82A57A3CCB56BE31650A3E7F446D5D0D187`
TXT	`MS=ms44985292`
TXT	`v=spf1 include:%{d}.3f.spf-protect.dmp.cisco.com exists:%{i}._i.%{d}._d.espf....`
SOA	`ns-1690.awsdns-19.co.uk`awsdns-hostmaster@amazon.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=1782563740

Subdomains

www.bit-sys.com

mail.bit-sys.com

webmail.bit-sys.com

mailgtwy.bit-sys.com

Same first word

bit-sys.com

bit-sys.net

Similar names

its-sby.edu

DNS History

23 records (10 active, 13 former)

○NSauthns2015-09-24 → 2016-06-20 · 5 obs

○ 2015-07-12 11:45:42
● 2015-09-24 00:36:38
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

○NSauthns.caci.com2015-09-24 → 2016-06-20 · 5 obs

○ 2015-07-12 11:45:42
● 2015-09-24 00:36:38
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

●NSns-1171.awsdns-18.org2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

●NSns-1690.awsdns-19.co.uk2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

●NSns-252.awsdns-31.com2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

●NSns-822.awsdns-38.net2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

○NSns0.dnsmadeeasy.com2015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 11:45:42
○ 2015-09-24 00:36:38
○ 2026-06-27 13:03:06

○NSns1.caci.com2015-09-24 → 2016-06-20 · 5 obs

○ 2015-07-12 11:45:42
● 2015-09-24 00:36:38
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

○NSns1.dnsmadeeasy.com2015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 11:45:42
○ 2015-09-24 00:36:38
○ 2026-06-27 13:03:06

○NSns2.caci.com2015-09-24 → 2016-06-20 · 5 obs

○ 2015-07-12 11:45:42
● 2015-09-24 00:36:38
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

○NSns2.dnsmadeeasy.com2015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 11:45:42
○ 2015-09-24 00:36:38
○ 2026-06-27 13:03:06

○NSns3.caci.com2015-09-24 → 2016-06-20 · 5 obs

○ 2015-07-12 11:45:42
● 2015-09-24 00:36:38
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

○NSns3.dnsmadeeasy.com2015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 11:45:42
○ 2015-09-24 00:36:38
○ 2026-06-27 13:03:06

○NSns4.dnsmadeeasy.com2015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 11:45:42
○ 2015-09-24 00:36:38
○ 2026-06-27 13:03:06

●MXmailserver02a.caci.com2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

●MXmailserver02b.caci.com2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

●MXmailserver03a.caci.com2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

●MXmailserver03b.caci.com2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

○MXmailserver1.caci.com2015-07-12 → 2016-06-20 · 4 obs

● 2015-07-12 11:45:42
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

●MXmailserver1a.caci.com2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

●MXmailserver1b.caci.com2026-03-18 → 2026-06-27 · 3 obs

○ 2016-06-20 10:30:12
● 2026-03-18 02:37:26
● 2026-06-27 13:03:06

○MXmailserver2.caci.com2015-07-12 → 2016-06-20 · 4 obs

● 2015-07-12 11:45:42
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

○MXmailserver3.caci.com2015-07-12 → 2016-06-20 · 4 obs

● 2015-07-12 11:45:42
● 2016-06-20 10:30:12
○ 2026-03-18 02:37:26
○ 2026-06-27 13:03:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
bit-sys.com	ns-252.awsdns-31.com, ns-822.awsdns-38.net, ns-1690.awsdns-19.co.uk, ns-1171.awsdns-18.org	2 records

✅ Authoritative Response

Server:205.251.198.154

NS records: ns-252.awsdns-31.com, ns-822.awsdns-38.net, ns-1690.awsdns-19.co.uk, ns-1171.awsdns-18.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bit-sys.com (unsigned zone)

⏱️ Timing

Total: 831ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1171.awsdns-18.org, ns-1690.awsdns-19.co.uk...`
MX	6	`mailserver02a.caci.com (pri: 10), mailserver02b.caci.com (pri: 10)...`
TXT	4	`6he-6oR-uvA, MS=EB12F82A57A3CCB56BE31650A3E7F446D5D0D...`
SOA	1	`ns-1690.awsdns-19.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-252.awsdns-31.com, ns-252.awsdns-31.com)

Analysis

Hierarchy

www.bit-sys.com, mail.bit-sys.com, webmail.bit-sys.com and mailgtwy.bit-sys.com are all subdomains of bit-sys.com.

Name Servers

The domain bit-sys.com is delegated to these four name servers: ns-252.awsdns-31.com, ns-822.awsdns-38.net, ns-1171.awsdns-18.org and ns-1690.awsdns-19.co.uk.

The name servers of bit-sys.com overlap at least partially with those of other domains — among them hilbgroup.com, miayarus.com, volopay.id and two more.

Each of the four hosts ns-252.awsdns-31.com, ns-822.awsdns-38.net, ns-1171.awsdns-18.org and ns-1690.awsdns-19.co.uk has two IP addresses. ns-252.awsdns-31.com points to 205.251.192.252 and 2600:9000:5300:fc00::1. ns-822.awsdns-38.net points to 205.251.195.54 and 2600:9000:5303:3600::1. ns-1171.awsdns-18.org points to 205.251.196.147 and 2600:9000:5304:9300::1. ns-1690.awsdns-19.co.uk points to 205.251.198.154 and 2600:9000:5306:9a00::1.

Mail Servers

bit-sys.com has 6 mail servers — mailserver02a.caci.com, mailserver02b.caci.com, mailserver03a.caci.com plus 3 other.

bit-sys.com shares at least some of its mail servers with other domains — for example charontech.com, bluestoneanalytics.com, azuresummit.com and two more.

It is common for these mail servers to co-occur with mailserver1b.caci.com, mailserver1a.caci.com, mailserver03b.caci.com and mailserver2b.caci.com as mail servers.

Hosts that resolve to one IP address:

mailserver02a.caci.com points to the IP address 204.194.75.75.

mailserver02b.caci.com points to the IP address 204.194.76.28.

mailserver03a.caci.com points to the IP address 204.194.75.76.

mailserver03b.caci.com points to the IP address 204.194.76.29.

mailserver1a.caci.com points to the IP address 204.194.77.24.

mailserver1b.caci.com points to the IP address 204.194.76.50.