firststudentinc.com - dns.ninja

`firststudentinc.com`

DNSSEC	⚠️ Not signed
A	141.193.213.10^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
A	141.193.213.11^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
NS	`ns95.worldnic.com` ⭐
		A	162.159.26.217^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns96.worldnic.com`
		A	162.159.27.155^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
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`⁽²⁰⁾
		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	`v=msv1 t=A0A13044-051B-477A-B4B5-FEA3F4E17430`
TXT	`detectify-verification=f9dc598c7b85e446eaf64c2052e3e3f2`
TXT	`google-site-verification=X2JcTeT6b8odBtnTmnYj66iDPhZvwOjmPJAnEDfipOk`
TXT	`ZOOM_verify_QFTYA14oYi7jjsgXkeIzGm`
TXT	`atlassian-domain-verification=/3SHIhVTmKOz9m7Y5OfuH5ogsWk7gBqM8fRCa42xuqfaoA/...`
TXT	`docusign=f1f5d706-83a5-471b-ade1-33943033350a`
TXT	`docusign=b9bf8252-bf4f-49d6-8d0c-126906bf387d`
TXT	`adobe-idp-site-verification=eb2b043619a63e939d538accac30fd35c1ba3fe5fbc2e047a...`
TXT	`adobe-idp-site-verification=eb2b043619a63e939d538accac30fd35c1ba3fe5fbc2e047a...`
TXT	`v=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include...`
TXT	`zscaler-verification-74411-07292025-Ti5L4xK8`
TXT	`taegis-domain-verification=8ec6d4552cb910415b1b7e2cd29c59c163c6bdde2528ef160f...`
TXT	`anthropic-domain-verification-51h4a2=5bSBPadUzfAoarkTCKSpCgigO`
TXT	`anthropic-domain-verification-dgj9qh=Z9cscNRpNXFOzUarN2V7uPOMS`
TXT	`openai-domain-verification=dv-wjONnjlqHoDvDgyuo4bgfkwA`
TXT	`openai-domain-verification=dv-ey2wgrqdnGRm8IR76nrxY8Bh`
TXT	`00D8Z000000u42f=1TBNr000000048V`
SOA	`NS95.WORLDNIC.com`namehost@WORLDNIC.com serial=126063008

`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=1783726202

rank #217374 globally
rank #94053 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #337,224

Subdomains

jobs.firststudentinc.com

Same first word

firststudentinc.com

DNS History

8 records (6 active, 2 former)

●NSns95.worldnic.com2015-07-08 → 2026-07-10 · 2 obs

● 2015-07-08 20:43:50
● 2026-07-10 23:35:38

●NSns96.worldnic.com2015-07-08 → 2026-07-10 · 2 obs

● 2015-07-08 20:43:50
● 2026-07-10 23:35:38

○MXfirststudentinc-com.mail.protection.outlook.com2015-07-08 → 2017-06-01 · 4 obs

● 2015-07-08 20:43:50
● 2017-06-01 11:56:32
○ 2026-05-15 18:16:58
○ 2026-07-10 23:35:38

●MXus-smtp-inbound-1.mimecast.com2026-05-15 → 2026-07-10 · 3 obs

○ 2017-06-01 11:56:32
● 2026-05-15 18:16:58
● 2026-07-10 23:35:38

●MXus-smtp-inbound-2.mimecast.com2026-05-15 → 2026-07-10 · 3 obs

○ 2017-06-01 11:56:32
● 2026-05-15 18:16:58
● 2026-07-10 23:35:38

●A141.193.213.102026-05-15 → 2026-07-10 · 3 obs

○ 2017-06-01 11:56:32
● 2026-05-15 18:16:58
● 2026-07-10 23:35:38

●A141.193.213.112026-05-15 → 2026-07-10 · 3 obs

○ 2017-06-01 11:56:32
● 2026-05-15 18:16:58
● 2026-07-10 23:35:38

○A168.61.43.842015-07-08 → 2017-06-01 · 4 obs

● 2015-07-08 20:43:50
● 2017-06-01 11:56:32
○ 2026-05-15 18:16:58
○ 2026-07-10 23:35:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
firststudentinc.com	ns95.worldnic.com, ns96.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.155

NS records: ns95.worldnic.com, ns96.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firststudentinc.com (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.10, 141.193.213.11`
NS	2	`ns96.worldnic.com, ns95.worldnic.com`
MX	2	`us-smtp-inbound-2.mimecast.com (pri: 20), us-smtp-inbound-1.mimecast.com (pri: 10)`
TXT	17	`v=msv1 t=A0A13044-051B-477A-B4B5-FEA3F4E, detectify-verification=f9dc598c7b85e446e...`
SOA	1	`NS95.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns95.worldnic.com, ns96.worldnic.com)

Analysis

Hierarchy

jobs.firststudentinc.com is a subdomain of firststudentinc.com.

IP Addresses

firststudentinc.com points to the IP addresses 141.193.213.10 and 141.193.213.11

Additional host names — riverfront.org, parkpride.org, travelingbulldogsfantravel.com and two others — share IP numbers with firststudentinc.com.

Name Servers

firststudentinc.com is served by two delegated name servers, ns95.worldnic.com and ns96.worldnic.com.

firststudentinc.com shares its name server setup with other domains, including epictours.tv, esscoinc.com, fizyomed.com and two others.

firststudentinc.com has some name servers in common with other domains such as bcmh.site, dancelikenobodyswashing.com and peterorbit.com

These name servers commonly appear alongside the name servers dns1.register.com and dns2.register.com.

Both ns95.worldnic.com and ns96.worldnic.com have a single IP address each — ns95.worldnic.com resolves to 162.159.26.217 while ns96.worldnic.com resolves to 162.159.27.155.

Mail Servers

firststudentinc.com has two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

firststudentinc.com shares the same mail server setup as other domains, including jardenplastics.com, chicagorentals.com, clickbond.com and two others.

firststudentinc.com shares mail servers — at least in part — with other domains, including 3ts.com, soakymountainwaterpark.com, klik.com and two others.

Host names with 6 IP numbers:

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.