tenable.com - dns.ninja

`tenable.com`

DNSSEC	⚠️ Not signed
A	54.159.189.155^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
		PTR	`ec2-54-159-189-155.compute-1.amazonaws.com`
NS	`ns1.tenablesecurity.com` ⭐
		A	206.205.255.73^{🇺🇸 AS395671206.205.255.0/24}
NS	`ns2.tenablesecurity.com`
		A	3.212.162.242^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-212-162-242.compute-1.amazonaws.com`
NS	`ns3.tenablesecurity.com`
		A	52.38.181.124^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-38-181-124.us-west-2.compute.amazonaws.com`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`atlassian-sending-domain-verification=b64f93bc-c961-439a-b5ea-0c7fa98e4362`
TXT	`google-site-verification=hhYrinLheLXQftB07nvY5QsNwUwoquWT5BIGYCBV2m4`
TXT	`_312osmhq9fb346u2hnchod2a06lkh2c`
TXT	`jamf-site-verification=_O2pEWqOpALI7eS_dSV66A`
TXT	`docusign=01896691-46f6-42a7-89da-42203b74c164`
TXT	`MS=ms17590469`
TXT	`smartsheet-site-validation=aE-2DN7VhGhwmzQX6rYdQKbSYLQrs2OB`
TXT	`google-site-verification=NQ51A02Hvzw45aMVkt8I_WWalY74CryagW8FxtkgMU4`
TXT	`loaderio=304cb40b43c10147ec18df636e5b1f14`
TXT	`vmware-cloud-verification-106effbe-74cc-4aaa-a87b-418fa8a1311a`
TXT	`hpe-greenlake-domain-verification=493731504b496a506a31484b586676587a394b78797...`
TXT	`docusign=039a7a49-7176-4b7b-bb58-d198685b7f4a`
TXT	`google-site-verification=r0TQaECa04je1WAQC5Vr8J6haS_diT7XfJAP7b11JGc`
TXT	`docker-verification=70eeb94b-709c-4f1e-b42b-22d8e1fbdeff`
TXT	`openai-domain-verification=dv-oR5hBU6DzZVCfrm2Rb8CcKaI`
TXT	`mongodb-site-verification=6cytGCbf6nHMLIrkAt0NzzCGUruLwGpq`
TXT	`happeo-site-verification=fc403e999a8b4f80a5c0c7ea59d9aac1`
TXT	`apple-domain-verification=clcd7AntcH2Z4VX1`
TXT	`v=spf1 redirect=1mz2szrz._spf._d.mim.ec`
TXT	`mongodb-site-verification=UuqqFhlLa2RRB9OenLCtShRnVG1oU1a9`
TXT	`MS=ms70799374`
TXT	`google-site-verification=cAaJwNBUyRkwsXhHM9ccBNCUrbEiyCAycUpS-pLNDb0`
TXT	`postman-domain-verification=50380d45de6d54a2d098961909fc132a12c58d50e260586e8...`
TXT	`google-site-verification=7YJqFLUdqsi0wFltczJEGHRvk28370P3QUYeRb2lH80`
TXT	`h1-domain-verification=gkC8dff3yPgSuCZRjPs4XJZGowM4HNsc2vGJLqGwuSWkzUKF`
TXT	`adobe-idp-site-verification=dd57aac6628a70f8726e76946e94476a706a89bb5b527d774...`
TXT	`2295029`
TXT	`atlassian-domain-verification=tfLnjYErcFyBHEAn5HHFsyHmRHOk8jKA8MsvuU5tmk4ksTN...`
TXT	`anthropic-domain-verification-ftf1s1=34hnt4QOYoo0eyF95YmmYg9kY`
SOA	`ns1.tenablesecurity.com`hostmaster@tenable.com 2026-07-14 #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=1784851867

rank #4832 globally
rank #2383 in the tld
WOT: SAFE (92/100)
📈 Tranco rank: #2,595

Subdomains

mta2.tenable.com

ns6.tenable.com

ns4.tenable.com

wwwredir.tenable.com

cloud.tenable.com

fr.tenable.com

customerftps.tenable.com

one.tenable.com

go.tenable.com

app.tenable.com

es-la.tenable.com

static.tenable.com

connect.tenable.com

jp.tenable.com

ns3.tenable.com

uptime.tenable.com

docs.tenable.com

mta1.tenable.com

www.tenable.com

cgi.tenable.com

university.tenable.com

login.tenable.com

info.tenable.com

account.tenable.com

fedcloud.tenable.com

api.tenable.com

zh-cn.tenable.com

de.tenable.com

bounce.tenable.com

blog.tenable.com

ns5.tenable.com

zh-tw.tenable.com

store.tenable.com

chat.tenable.com

Same first word

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tenable.info

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DNS History

30 records (6 active, 24 former)

○NSns1.dns77.com2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 11:30:58
○ 2015-08-13 13:42:48
○ 2026-07-24 00:17:34

●NSns1.tenablesecurity.com2019-11-11 → 2026-07-24 · 3 obs

○ 2018-03-19 15:55:56
● 2019-11-11 20:00:36
● 2026-07-24 00:17:34

○NSns2.dns77.com2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 11:30:58
○ 2015-08-13 13:42:48
○ 2026-07-24 00:17:34

●NSns2.tenablesecurity.com2019-11-11 → 2026-07-24 · 3 obs

○ 2018-03-19 15:55:56
● 2019-11-11 20:00:36
● 2026-07-24 00:17:34

●NSns3.tenablesecurity.com2018-03-19 → 2026-07-24 · 3 obs

○ 2015-08-13 13:42:48
● 2018-03-19 15:55:56
● 2026-07-24 00:17:34

○NSns4.tenable.com2015-08-13 → 2021-05-04 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2021-05-04 08:25:52
○ 2021-10-11 10:47:56
○ 2026-07-24 00:17:34

○NSns4.tenablesecurity.com2015-08-13 → 2021-05-04 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2021-05-04 08:25:52
○ 2021-10-11 10:47:56
○ 2026-07-24 00:17:34

○NSns6.tenablesecurity.com2015-08-13 → 2021-05-04 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2021-05-04 08:25:52
○ 2021-10-11 10:47:56
○ 2026-07-24 00:17:34

○NSns7.tenablesecurity.com2015-08-13 → 2021-05-04 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2021-05-04 08:25:52
○ 2021-10-11 10:47:56
○ 2026-07-24 00:17:34

○NSns8.tenablesecurity.com2015-08-13 → 2021-05-04 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2021-05-04 08:25:52
○ 2021-10-11 10:47:56
○ 2026-07-24 00:17:34

○MXalt1.aspmx.l.google.com2015-11-03 → 2016-11-16 · 5 obs

○ 2015-09-29 08:19:26
● 2015-11-03 14:59:14
● 2016-11-16 20:54:30
○ 2016-12-09 10:09:30
○ 2026-07-24 00:17:34

○MXalt2.aspmx.l.google.com2015-11-03 → 2016-11-16 · 5 obs

○ 2015-09-29 08:19:26
● 2015-11-03 14:59:14
● 2016-11-16 20:54:30
○ 2016-12-09 10:09:30
○ 2026-07-24 00:17:34

○MXalt3.aspmx.l.google.com2015-11-03 → 2016-11-16 · 5 obs

○ 2015-09-29 08:19:26
● 2015-11-03 14:59:14
● 2016-11-16 20:54:30
○ 2016-12-09 10:09:30
○ 2026-07-24 00:17:34

○MXalt4.aspmx.l.google.com2015-11-03 → 2016-11-16 · 5 obs

○ 2015-09-29 08:19:26
● 2015-11-03 14:59:14
● 2016-11-16 20:54:30
○ 2016-12-09 10:09:30
○ 2026-07-24 00:17:34

○MXaspmx.l.google.com2015-11-03 → 2016-11-16 · 5 obs

○ 2015-09-29 08:19:26
● 2015-11-03 14:59:14
● 2016-11-16 20:54:30
○ 2016-12-09 10:09:30
○ 2026-07-24 00:17:34

○MXeg1.dns77.com2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 11:30:58
○ 2015-08-13 13:42:48
○ 2026-07-24 00:17:34

○MXeg2.dns77.com2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 11:30:58
○ 2015-08-13 13:42:48
○ 2026-07-24 00:17:34

○MXmta1.tenable.com2015-08-13 → 2015-09-29 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2015-09-29 08:19:26
○ 2015-11-03 14:59:14
○ 2026-07-24 00:17:34

○MXmta2.tenable.com2015-08-13 → 2015-09-29 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2015-09-29 08:19:26
○ 2015-11-03 14:59:14
○ 2026-07-24 00:17:34

○MXmta3.tenable.com2015-08-13 → 2015-09-29 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2015-09-29 08:19:26
○ 2015-11-03 14:59:14
○ 2026-07-24 00:17:34

○MXus-smtp-1.mimecast.com2016-12-09 → 2017-05-16 · 5 obs

○ 2016-11-16 20:54:30
● 2016-12-09 10:09:30
● 2017-05-16 23:49:36
○ 2017-07-14 08:00:00
○ 2026-07-24 00:17:34

○MXus-smtp-2.mimecast.com2016-12-09 → 2017-05-16 · 5 obs

○ 2016-11-16 20:54:30
● 2016-12-09 10:09:30
● 2017-05-16 23:49:36
○ 2017-07-14 08:00:00
○ 2026-07-24 00:17:34

●MXus-smtp-inbound-1.mimecast.com2017-07-14 → 2026-07-24 · 3 obs

○ 2017-05-16 23:49:36
● 2017-07-14 08:00:00
● 2026-07-24 00:17:34

●MXus-smtp-inbound-2.mimecast.com2017-07-14 → 2026-07-24 · 3 obs

○ 2017-05-16 23:49:36
● 2017-07-14 08:00:00
● 2026-07-24 00:17:34

○A206.205.255.2002017-04-24 → 2017-08-25 · 5 obs

○ 2017-03-27 09:08:50
● 2017-04-24 04:20:46
● 2017-08-25 00:51:12
○ 2017-12-19 17:44:20
○ 2026-07-24 00:17:34

○A206.205.255.2182019-11-11 → 2021-04-13 · 5 obs

○ 2018-07-19 16:27:52
● 2019-11-11 20:00:36
● 2021-04-13 17:08:32
○ 2021-05-04 08:25:52
○ 2026-07-24 00:17:34

○A206.205.255.2252017-12-19 → 2018-07-19 · 5 obs

○ 2017-08-25 00:51:12
● 2017-12-19 17:44:20
● 2018-07-19 16:27:52
○ 2019-11-11 20:00:36
○ 2026-07-24 00:17:34

○A4.59.136.2002015-08-13 → 2017-03-27 · 5 obs

○ 2007-10-22 11:30:58
● 2015-08-13 13:42:48
● 2017-03-27 09:08:50
○ 2017-04-24 04:20:46
○ 2026-07-24 00:17:34

●A54.159.189.1552021-05-04 → 2026-07-24 · 3 obs

○ 2021-04-13 17:08:32
● 2021-05-04 08:25:52
● 2026-07-24 00:17:34

○A64.141.114.172007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 11:30:58
○ 2015-08-13 13:42:48
○ 2026-07-24 00:17:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
tenable.com	ns1.tenablesecurity.com, ns3.tenablesecurity.com, ns2.tenablesecurity.com	3 records

✅ Authoritative Response

Server:206.205.255.73

NS records: ns1.tenablesecurity.com, ns3.tenablesecurity.com, ns2.tenablesecurity.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 502ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.159.189.155`
NS	3	`ns1.tenablesecurity.com, ns3.tenablesecurity.com...`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	29	`docusign=039a7a49-7176-4b7b-bb58-d198685, v=spf1 redirect=1mz2szrz._spf._d.mim.ec...`
SOA	1	`ns1.tenablesecurity.com hostmaster.tenab`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.tenablesecurity.com, ns3.tenablesecurity.com, ns2.tenablesecurity.com)

Analysis

Hierarchy

tenable.com is a parent domain; its children include mta2.tenable.com, ns6.tenable.com, ns4.tenable.com, wwwredir.tenable.com, cloud.tenable.com and a few other host names.

IP Addresses

tenable.com resolves to just one IP address, 54.159.189.155.

Two other host names, along with www.tenable.ad, tenablesecurity.com and tenablenetworksecurity.us, also share IP numbers with tenable.com.

Name Servers

Three name servers are authoritative for tenable.com: ns1.tenablesecurity.com, ns2.tenablesecurity.com and ns3.tenablesecurity.com.

tenable.com partially shares its NS delegation with several other domains, including flawcheck.com, tenablesecurity.com, ask-acas.info and two others.

In DNS configurations, these name servers often share authority with ns9.tenablesecurity.com, ns4.tenablesecurity.com, ns6.tenablesecurity.com and 3 other name servers.

Three hostnames, one IP address apiece: ns1.tenablesecurity.com resolves to 206.205.255.73, ns2.tenablesecurity.com resolves to 3.212.162.242 and ns3.tenablesecurity.com resolves to 52.38.181.124.

Mail Servers

tenable.com is served by two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Among the domains sharing a mail server setup with tenable.com are wpresort.com, esequip.com, mylearningcommunity.com and two others.

There is at least a partial MX overlap between tenable.com and other domains, including nelsontalent.com, retailsolutionsonline.com, icetrekkers.com and two others.

DNS names with 6 IP addresses:

us-smtp-inbound-1.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

us-smtp-inbound-2.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.242 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.141 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.221 IP addresses.

These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.242 IP addresses.