`sinclairoil.com`

DNSSEC	⚠️ Not signed
A	2620:12a:8000::4^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
A	2620:12a:8001::4^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
A	23.185.0.4^{🇺🇸 Fastly23.185.0.0/24 Pantheon}
NS	`ns03.gcd-dns.com` ⭐
		A	2603:5:21f0::33^{🇺🇸 GODADDY-DNS2603:5:21f0::/44}
			PTR	`pdns03.domaincontrol.com`
		A	97.74.111.51^{🇺🇸 GODADDY-DNS97.74.110.0/23}
			PTR	`pdns03.domaincontrol.com`
NS	`ns04.gcd-dns.com`
		A	2603:5:22f0::33^{🇺🇸 GODADDY-DNS2603:5:22f0::/44}
			PTR	`pdns04.domaincontrol.com`
		A	173.201.79.51^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns04.domaincontrol.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	`mandrill_verify.4h3b_vfP1OLrD-ydcymwyQ`
TXT	`apple-domain-verification=rhBZy9s2MCrVSxB6`
TXT	`spycloud-domain-verification=3e5aa226-4e90-47bd-b918-eff9af2dc5c5`
TXT	`cisco-ci-domain-verification=410b88e089019fa8acdfa653beee79439770ffb7a0c50e0b...`
TXT	`MS=ms99443590`
TXT	`MS=5A041B715B770E0C78C907BEA62A98354DA4711B`
TXT	`EUzulIzNjHOgD4rqijhrNKh7YUkpmwPHKiL9J1yOCFqCDD9qMySqB1SlvzJT7BVKVpY8DZUlxzyNQ...`
TXT	`atlassian-domain-verification=UGzCNpslUkKPj6yvhXWH72xunMEtBs4G4pxeXDa2SdiCoSH...`
TXT	`v=spf1 a ip4:38.146.100.111 ip4:38.84.63.111 include:us._netblocks.mimecast.c...`
TXT	`duo_sso_verification=QjXKBt81z0Lw7AYf9EnehzTzmj39WZuKiNw4F8aK3twAtN33VVEYHVtH...`
TXT	`MS=ms13969471`
SOA	`ns03.gcd-dns.com`dns@jomax.net 2025-04-24 #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=1771291435

rank #334473 globally
rank #147288 in the tld
📈 Tranco rank: #530,258

Subdomains

mx.sinclairoil.com

secure1.sinclairoil.com

webmail.sinclairoil.com

owa.sinclairoil.com

ns2.sinclairoil.com

socusd.sinclairoil.com

autodiscover.sinclairoil.com

ns1.sinclairoil.com

dns.sinclairoil.com

Same first word

sinclairoil.com

sinclairoil.info

Similar names

siliconrail.com

DNS History

16 records (7 active, 9 former)

●NSns03.gcd-dns.com2026-03-14 → 2026-03-14 · 3 obs

○ 2021-06-09 00:39:16
● 2026-03-14 07:28:52
● 2026-03-14 08:47:36

●NSns04.gcd-dns.com2026-03-14 → 2026-03-14 · 3 obs

○ 2021-06-09 00:39:16
● 2026-03-14 07:28:52
● 2026-03-14 08:47:36

○NSns1.sinclairoil.com2007-10-22 → 2021-06-09 · 10 obs

● 2007-10-22 06:02:28
● 2015-07-11 12:45:40
○ 2015-11-06 17:07:20
● 2016-02-22 20:00:24
○ 2016-03-08 23:30:14
○ 2017-11-09 22:59:10
● 2019-07-09 23:47:04
● 2021-06-09 00:39:16
○ 2026-03-14 07:28:52
○ 2026-03-14 08:47:36

○NSns2.sinclairoil.com2007-10-22 → 2021-06-09 · 4 obs

● 2007-10-22 06:02:28
● 2021-06-09 00:39:16
○ 2026-03-14 07:28:52
○ 2026-03-14 08:47:36

○NSns32015-07-11 → 2016-06-23 · 8 obs

○ 2007-10-22 06:02:28
● 2015-07-11 12:45:40
● 2015-11-06 17:07:20
○ 2016-02-22 20:00:24
○ 2016-03-08 23:30:14
● 2016-06-23 14:12:10
○ 2017-07-03 08:04:48
○ 2026-03-14 08:47:36

○NSns3.sinclairoil.com2015-07-11 → 2020-04-29 · 12 obs

○ 2007-10-22 06:02:28
● 2015-07-11 12:45:40
○ 2015-11-06 17:07:20
○ 2016-02-22 20:00:24
● 2016-03-08 23:30:14
○ 2016-06-23 14:12:10
● 2017-07-03 08:04:48
● 2017-11-09 22:59:10
○ 2019-07-09 23:47:04
● 2020-04-29 05:54:42
○ 2020-06-25 21:44:04
○ 2026-03-14 08:47:36

○MXiad.inline.email.fireeyecloud.com2016-02-22 → 2017-11-09 · 5 obs

○ 2015-11-06 17:07:20
● 2016-02-22 20:00:24
● 2017-11-09 22:59:10
○ 2019-07-09 23:47:04
○ 2026-03-14 08:47:36

○MXmx.sinclairoil.com2007-10-22 → 2015-11-06 · 4 obs

● 2007-10-22 06:02:28
● 2015-11-06 17:07:20
○ 2016-02-22 20:00:24
○ 2026-03-14 08:47:36

○MXsmf.inline.email.fireeyecloud.com2016-02-22 → 2017-11-09 · 5 obs

○ 2015-11-06 17:07:20
● 2016-02-22 20:00:24
● 2017-11-09 22:59:10
○ 2019-07-09 23:47:04
○ 2026-03-14 08:47:36

●MXus-smtp-inbound-1.mimecast.com2019-07-09 → 2026-03-14 · 3 obs

○ 2017-11-09 22:59:10
● 2019-07-09 23:47:04
● 2026-03-14 08:47:36

●MXus-smtp-inbound-2.mimecast.com2019-07-09 → 2026-03-14 · 3 obs

○ 2017-11-09 22:59:10
● 2019-07-09 23:47:04
● 2026-03-14 08:47:36

○A207.108.184.122007-10-22 → 2015-11-06 · 4 obs

● 2007-10-22 06:02:28
● 2015-11-06 17:07:20
○ 2016-02-22 20:00:24
○ 2026-03-14 08:47:36

●A23.185.0.42021-06-09 → 2026-03-14 · 3 obs

○ 2020-07-10 17:47:50
● 2021-06-09 00:39:16
● 2026-03-14 08:47:36

●A2620:12a:8000::42021-06-09 → 2026-03-14 · 3 obs

○ 2020-07-10 17:47:50
● 2021-06-09 00:39:16
● 2026-03-14 08:47:36

●A2620:12a:8001::42021-06-09 → 2026-03-14 · 3 obs

○ 2020-07-10 17:47:50
● 2021-06-09 00:39:16
● 2026-03-14 08:47:36

○A52.89.249.1532016-02-22 → 2020-07-10 · 5 obs

○ 2015-11-06 17:07:20
● 2016-02-22 20:00:24
● 2020-07-10 17:47:50
○ 2021-06-09 00:39:16
○ 2026-03-14 08:47:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sinclairoil.com	ns04.gcd-dns.com, ns03.gcd-dns.com	4 records

✅ Authoritative Response

Server: 173.201.79.51

NS records: ns04.gcd-dns.com, ns03.gcd-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sinclairoil.com (unsigned zone)

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.185.0.4`
AAAA	2	`2620:12a:8001::4, 2620:12a:8000::4`
NS	2	`ns03.gcd-dns.com, ns04.gcd-dns.com`
MX	2	`us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)`
TXT	11	`mandrill_verify.4h3b_vfP1OLrD-ydcymwyQ, apple-domain-verification=rhBZy9s2MCrVSx...`
SOA	1	`ns03.gcd-dns.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns04.gcd-dns.com, ns04.gcd-dns.com, ns03.gcd-dns.com...)

Analysis

Hierarchy

sinclairoil.com is the parent of mx.sinclairoil.com, secure1.sinclairoil.com, webmail.sinclairoil.com, owa.sinclairoil.com, ns2.sinclairoil.com and a few other host names.

IP Addresses

sinclairoil.com points to three IPs: 2620:12a:8000::4, 2620:12a:8001::4 and 23.185.0.4.

other host names including physics.unc.edu, victor-corporation.com, planetwatchers.com, webvision.med.utah.edu and belgard.com share IP numbers with sinclairoil.com.

Name Servers

sinclairoil.com is delegated to two name servers ns03.gcd-dns.com and ns04.gcd-dns.com.

sinclairoil.com shares the same name server setup as other domains, for instance avalarasalestax.ai, therainnovations.net, northforkbankcorporation.org, targetstorefront.how and catnjack.com.

Host names with two IP numbers:

The host name ns03.gcd-dns.com points to 2603:5:21f0::33 and 97.74.111.51; the host name ns04.gcd-dns.com points to 2603:5:22f0::33 and 173.201.79.51.

Mail Servers

Two mail servers handle sinclairoil.com: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

sinclairoil.com shares the same mail server setup as other domains, for instance css-one.com, villagecare.org, ediecareplan.com, peoplestyle.com and seedip.com.

sinclairoil.com shares some mail servers with other domains, at least partially, for instance tupusa.com, deserve.com, hospitalityleaderonline.com, ardms.org and evans-dixon.com.