mainsequence.com - dns.ninja

`mainsequence.com`

DNSSEC	⚠️ Not signed
A	68.171.3.30^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
		PTR	`host30.pcrecruiter.net`
NS	`mstsql51.sqldom.pcrecruiter.com` ⭐ ⚠️ Not in parent delegation
		A	68.171.3.31^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host31.pcrecruiter.net`
		A	68.171.3.51^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host51.pcrecruiter.net`
		A	192.168.0.51
NS	`mstemail11n.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	192.168.1.11
		A	207.54.164.11^{🇺🇸 RoadRunner207.54.164.0/24 Main Sequence}
NS	`mstemail12n.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	192.168.1.12
		A	207.54.164.12^{🇺🇸 RoadRunner207.54.164.0/24 Main Sequence}
NS	`mstemail21.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
NS	`mstemail22.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
NS	`mstemail31.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	192.168.1.31
		A	207.54.164.9^{🇺🇸 RoadRunner207.54.164.0/24 Main Sequence}
			PTR	`exp9.mainsequence.net`
		A	207.54.164.31^{🇺🇸 RoadRunner207.54.164.0/24 Main Sequence}
NS	`mstemail32.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	192.168.1.32
		A	207.54.164.32^{🇺🇸 RoadRunner207.54.164.0/24 Main Sequence}
NS	`mstserver6a.mainsequence.net` ⚠️ Not in zone NS records
		A	68.171.3.61^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host61.pcrecruiter.net`
NS	`mstserver7.mainsequence.net` ⚠️ Not in zone NS records
		A	68.171.3.31^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host31.pcrecruiter.net`
NS	`mstsql11.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.40^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host40.pcrecruiter.net`
		A	192.168.0.40
NS	`mstsql12.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.41^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host41.pcrecruiter.net`
		A	192.168.0.41
NS	`mstsql21.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	192.168.0.21
NS	`mstsql22.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	192.168.0.22
NS	`mstsql3.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
NS	`mstsql31.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.36^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host36.pcrecruiter.net`
		A	192.168.0.36
NS	`mstsql32.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.37^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host37.pcrecruiter.net`
		A	192.168.0.37
NS	`mstsql4.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
NS	`mstsql41.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.46^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host46.pcrecruiter.net`
		A	192.168.0.46
NS	`mstsql42.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.47^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host47.pcrecruiter.net`
		A	192.168.0.47
NS	`mstsql52.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.52^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host52.pcrecruiter.net`
		A	192.168.0.52
NS	`mstsql61.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.61^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host61.pcrecruiter.net`
		A	192.168.0.61
NS	`mstsql62.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	68.171.3.62^{🇺🇸 RoadRunner68.171.3.0/24 RR-RC-Main Sequence Technology, Inc.-NEO}
			PTR	`host62.pcrecruiter.net`
		A	192.168.0.62
NS	`warmlucene1.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
NS	`warmprofile.sqldom.pcrecruiter.com` ⚠️ Not in parent delegation
		A	192.168.2.91
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com include:sendgrid.net mx ip4:207.54.164.0/24 ip...`
TXT	`google-site-verification=xpdtViJv4VE8-eVor5OzbuUNVebb9mrigTvVlZJ9-7k`
TXT	`MS=ms37235841`
SOA	`mstsql51.sqldom.pcrecruiter.com`postmaster@sqldom.pcrecruiter.com serial=82

`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=1780831901

Same first word

mainsequence.eu

mainsequence.org

mainsequence.com

mainsequence.net

Similar names

cinemaqueens.com

DNS History

39 records (30 active, 9 former)

●NSmstemail11n.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●NSmstemail12n.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●NSmstemail21.sqldom.pcrecruiter.com2015-06-07 → 2026-06-07 · 5 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
○ 2015-11-05 19:06:20
● 2016-02-01 15:18:02
● 2026-06-07 11:55:10

●NSmstemail22.sqldom.pcrecruiter.com2015-06-07 → 2026-06-07 · 3 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2026-06-07 11:55:10

●NSmstemail31.sqldom.pcrecruiter.com2020-05-12 → 2026-06-07 · 3 obs

○ 2016-02-01 15:18:02
● 2020-05-12 10:19:30
● 2026-06-07 11:55:10

●NSmstemail32.sqldom.pcrecruiter.com2020-05-12 → 2026-06-07 · 3 obs

○ 2016-02-01 15:18:02
● 2020-05-12 10:19:30
● 2026-06-07 11:55:10

●NSmstserver6a.mainsequence.net2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●NSmstserver7.mainsequence.net2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

○NSmstsql1.sqldom.pcrecruiter.com2015-06-07 → 2020-05-12 · 5 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2020-05-12 10:19:30
○ 2026-02-26 12:27:54
○ 2026-06-07 11:55:10

●NSmstsql11.sqldom.pcrecruiter.com2020-05-12 → 2026-06-07 · 3 obs

○ 2016-02-01 15:18:02
● 2020-05-12 10:19:30
● 2026-06-07 11:55:10

●NSmstsql12.sqldom.pcrecruiter.com2020-05-12 → 2026-06-07 · 3 obs

○ 2016-02-01 15:18:02
● 2020-05-12 10:19:30
● 2026-06-07 11:55:10

●NSmstsql21.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●NSmstsql22.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

○NSmstsql27.sqldom.pcrecruiter.com2015-06-07 → 2020-05-12 · 5 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2020-05-12 10:19:30
○ 2026-02-26 12:27:54
○ 2026-06-07 11:55:10

○NSmstsql28.sqldom.pcrecruiter.com2015-06-07 → 2015-06-07 · 4 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
○ 2015-11-05 19:06:20
○ 2026-06-07 11:55:10

●NSmstsql3.sqldom.pcrecruiter.com2015-06-07 → 2026-06-07 · 3 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2026-06-07 11:55:10

●NSmstsql31.sqldom.pcrecruiter.com2026-06-07 → 2026-06-07 · 3 obs

○ 2026-02-26 12:27:54
● 2026-06-07 11:55:08
● 2026-06-07 11:55:10

●NSmstsql32.sqldom.pcrecruiter.com2026-06-07 → 2026-06-07 · 3 obs

○ 2026-02-26 12:27:54
● 2026-06-07 11:55:08
● 2026-06-07 11:55:10

●NSmstsql4.sqldom.pcrecruiter.com2015-06-07 → 2026-06-07 · 3 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2026-06-07 11:55:10

●NSmstsql41.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●NSmstsql42.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

○NSmstsql5.sqldom.pcrecruiter.com2015-06-07 → 2015-06-07 · 4 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
○ 2015-11-05 19:06:20
○ 2026-06-07 11:55:10

●NSmstsql51.sqldom.pcrecruiter.com2020-05-12 → 2026-06-07 · 3 obs

○ 2016-02-01 15:18:02
● 2020-05-12 10:19:30
● 2026-06-07 11:55:10

●NSmstsql52.sqldom.pcrecruiter.com2020-05-12 → 2026-06-07 · 3 obs

○ 2016-02-01 15:18:02
● 2020-05-12 10:19:30
● 2026-06-07 11:55:10

○NSmstsql6.sqldom.pcrecruiter.com2015-06-07 → 2015-06-07 · 4 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
○ 2015-11-05 19:06:20
○ 2026-06-07 11:55:10

●NSmstsql61.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●NSmstsql62.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

○NSmstsql7.sqldom.pcrecruiter.com2015-06-07 → 2020-05-12 · 7 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2015-11-05 19:06:20
○ 2016-02-01 15:18:02
● 2020-05-12 10:19:30
○ 2026-02-26 12:27:54
○ 2026-06-07 11:55:10

○NSmstsql8.sqldom.pcrecruiter.com2015-06-07 → 2020-05-12 · 6 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
○ 2015-11-05 19:06:20
● 2020-05-12 10:19:30
○ 2026-02-26 12:27:54
○ 2026-06-07 11:55:10

●NSwarmlucene1.sqldom.pcrecruiter.com2015-06-07 → 2026-06-07 · 3 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2026-06-07 11:55:10

●NSwarmprofile.sqldom.pcrecruiter.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●MXalt1.aspmx.l.google.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●MXalt2.aspmx.l.google.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●MXalt3.aspmx.l.google.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●MXalt4.aspmx.l.google.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

●MXaspmx.l.google.com2026-02-26 → 2026-06-07 · 3 obs

○ 2020-05-12 10:19:30
● 2026-02-26 12:27:54
● 2026-06-07 11:55:10

○MXmail.pcrecruiter.com2015-06-07 → 2020-05-12 · 5 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2020-05-12 10:19:30
○ 2026-02-26 12:27:54
○ 2026-06-07 11:55:10

○A207.220.83.302015-06-07 → 2015-11-05 · 5 obs

○ 2008-03-20 16:29:54
● 2015-06-07 17:46:26
● 2015-11-05 19:06:20
○ 2016-02-01 15:18:02
○ 2026-06-07 11:55:10

●A68.171.3.302016-02-01 → 2026-06-07 · 3 obs

○ 2015-11-05 19:06:20
● 2016-02-01 15:18:02
● 2026-06-07 11:55:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mainsequence.com	mstserver7.mainsequence.net, mstserver6a.mainsequence.net	-

✅ Authoritative Response

Server:68.171.3.61

NS records: mstserver7.mainsequence.net, mstserver6a.mainsequence.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mainsequence.com (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`68.171.3.30`
NS	22	`mstsql4.sqldom.pcrecruiter.com, mstsql11.sqldom.pcrecruiter.com...`
MX	5	`ALT2.ASPMX.L.GOOGLE.com (pri: 5), ALT3.ASPMX.L.GOOGLE.com (pri: 10)...`
TXT	3	`google-site-verification=xpdtViJv4VE8-eV, MS=ms37235841...`
SOA	1	`mstsql61.sqldom.pcrecruiter.com postmast`

Analysis

IP Addresses

mainsequence.com resolves to just one IP address, 68.171.3.30.

Two other host names, along with www2.pcrecruiter.net, www.pcrecruiter.net and mainsequence.net, also share IP numbers with mainsequence.com.

Name Servers

mainsequence.com is delegated to 24 name servers: mstserver6a.mainsequence.net, mstserver7.mainsequence.net, mstemail11n.sqldom.pcrecruiter.com and 21 other.

mainsequence.com has at least partial name server overlap with other domains, such as mainsequence.net, pcrecruiter.net, pcrecruiter.com and two others.

These name servers co-occur with mstemail12n.sqldom.pcrecruiter.com, mstemail31.sqldom.pcrecruiter.com, mstemail32.sqldom.pcrecruiter.com and seven other name servers on a regular basis.

Hostnames that map to three IP numbers:

mstemail31.sqldom.pcrecruiter.com points to 192.168.1.31, 207.54.164.9 and 207.54.164.31.

mstsql51.sqldom.pcrecruiter.com points to 68.171.3.31, 68.171.3.51 and 192.168.0.51.

Host names that have two IP addresses:

mstemail11n.sqldom.pcrecruiter.com points to 192.168.1.11 and 207.54.164.11.

mstemail12n.sqldom.pcrecruiter.com points to 192.168.1.12 and 207.54.164.12.

mstemail32.sqldom.pcrecruiter.com points to 192.168.1.32 and 207.54.164.32.

mstsql11.sqldom.pcrecruiter.com points to 68.171.3.40 and 192.168.0.40.

mstsql31.sqldom.pcrecruiter.com points to 68.171.3.36 and 192.168.0.36.

mstsql32.sqldom.pcrecruiter.com points to 68.171.3.37 and 192.168.0.37.

mstsql41.sqldom.pcrecruiter.com points to 68.171.3.46 and 192.168.0.46.

mstsql42.sqldom.pcrecruiter.com points to 68.171.3.47 and 192.168.0.47.

mstsql61.sqldom.pcrecruiter.com points to 68.171.3.61 and 192.168.0.61.

Host names with one IP number:

mstserver6a.mainsequence.net points to 68.171.3.61.

mstserver7.mainsequence.net points to 68.171.3.31.

Host names that have two IP addresses:

mstsql12.sqldom.pcrecruiter.com points to 68.171.3.41 and 192.168.0.41.

mstsql62.sqldom.pcrecruiter.com points to 68.171.3.62 and 192.168.0.62.

Host names with one IP number:

mstsql21.sqldom.pcrecruiter.com points to 192.168.0.21.

mstsql22.sqldom.pcrecruiter.com points to 192.168.0.22.

Host names that have two IP addresses:

mstsql52.sqldom.pcrecruiter.com points to 68.171.3.52 and 192.168.0.52.

Host names with one IP number:

warmprofile.sqldom.pcrecruiter.com points to 192.168.2.91.

mstsql51.sqldom.pcrecruiter.com and mstserver7.mainsequence.net are host names that each point to 68.171.3.31 IP addresses.

mstsql61.sqldom.pcrecruiter.com and mstserver6a.mainsequence.net are host names that each point to 68.171.3.61 IP addresses.

Mail Servers

The MX records for mainsequence.com point to 5 mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between mainsequence.com and other domains, including coraij.com, astral.sh, westsunsolar.net.au and two others.

alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.

Host names that have two IP addresses:

aspmx.l.google.com points to 142.251.163.27 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 173.194.76.27 and 2a00:1450:400c:c00::1a.