`opensystemsupport.com`

DNSSEC	⚠️ Not signed
A	87.243.143.49^{🇦🇹 AINET-AS87.243.140.0/22}
		PTR	`87-243-143-49.ainet.at`
NS	`gail.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c074^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gail.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2074^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gail.ns.cloudflare.com`
		A	108.162.192.116^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	172.64.32.116^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	173.245.58.116^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
NS	`razvan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c4d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`razvan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`razvan.ns.cloudflare.com`
		A	108.162.195.77^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
		A	162.159.44.77^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
		A	172.64.35.77^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`razvan.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽⁴⁰⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.27^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.27^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f27.1e100.net`
TXT	`google-site-verification=Qw6bOnh_yOqUFaUsSMK-0llzs06HpaOev6c4y6pF7CM`
TXT	`google-site-verification=SrvFoyZaAdW-q290e9-amcEzTN1DFHXLIsJSiJT_8i0`
TXT	`v=spf1 include:_spf.google.com include:sparkpostmail.com ~all`
SOA	`gail.ns.cloudflare.com`dns@cloudflare.com serial=2396773136

`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

Up

mail.opensystemsupport.com

Same first word

opensystemsupport.com

DNS History

17 records (8 active, 9 former)

●NSgail.ns.cloudflare.com2026-02-26 → 2026-02-26 · 2 obs

○ 2017-04-20 02:53:54
● 2026-02-26 03:01:08

○NSns1.eurodns.com2016-09-10 → 2017-04-20 · 4 obs

○ 2016-03-29 22:25:20
● 2016-09-10 06:49:08
● 2017-04-20 02:53:54
○ 2026-02-26 03:01:08

○NSns2.eurodns.com2016-09-10 → 2017-04-20 · 4 obs

○ 2016-03-29 22:25:20
● 2016-09-10 06:49:08
● 2017-04-20 02:53:54
○ 2026-02-26 03:01:08

○NSns3.eurodns.com2016-09-10 → 2017-04-20 · 4 obs

○ 2016-03-29 22:25:20
● 2016-09-10 06:49:08
● 2017-04-20 02:53:54
○ 2026-02-26 03:01:08

○NSns4.eurodns.com2016-09-10 → 2017-04-20 · 4 obs

○ 2016-03-29 22:25:20
● 2016-09-10 06:49:08
● 2017-04-20 02:53:54
○ 2026-02-26 03:01:08

○NSns53.domaincontrol.com2015-05-20 → 2016-03-29 · 5 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2016-03-29 22:25:20
○ 2016-09-10 06:49:08
○ 2026-02-26 03:01:08

○NSns54.domaincontrol.com2015-05-20 → 2016-03-29 · 5 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2016-03-29 22:25:20
○ 2016-09-10 06:49:08
○ 2026-02-26 03:01:08

●NSrazvan.ns.cloudflare.com2026-02-26 → 2026-02-26 · 2 obs

○ 2017-04-20 02:53:54
● 2026-02-26 03:01:08

●MXalt1.aspmx.l.google.com2015-05-20 → 2026-02-26 · 3 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2026-02-26 03:01:08

●MXalt2.aspmx.l.google.com2015-05-20 → 2026-02-26 · 3 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2026-02-26 03:01:08

●MXaspmx.l.google.com2015-05-20 → 2026-02-26 · 3 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2026-02-26 03:01:08

●MXaspmx2.googlemail.com2015-05-20 → 2026-02-26 · 3 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2026-02-26 03:01:08

●MXaspmx3.googlemail.com2015-05-20 → 2026-02-26 · 3 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2026-02-26 03:01:08

○A50.63.202.612016-03-29 → 2016-03-29 · 4 obs

○ 2015-12-21 21:56:10
● 2016-03-29 22:25:20
○ 2016-09-10 06:49:08
○ 2026-02-26 03:01:08

○A87.243.137.1172016-09-10 → 2017-04-20 · 4 obs

○ 2016-03-29 22:25:20
● 2016-09-10 06:49:08
● 2017-04-20 02:53:54
○ 2026-02-26 03:01:08

●A87.243.143.492026-02-26 → 2026-02-26 · 2 obs

○ 2017-04-20 02:53:54
● 2026-02-26 03:01:08

○A97.74.215.2342015-05-20 → 2015-12-21 · 5 obs

○ 2008-11-29 05:43:54
● 2015-05-20 09:54:00
● 2015-12-21 21:56:10
○ 2016-03-29 22:25:20
○ 2026-02-26 03:01:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
opensystemsupport.com	gail.ns.cloudflare.com, razvan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.77

NS records: gail.ns.cloudflare.com, razvan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensystemsupport.com (unsigned zone)

⏱️ Timing

Total: 407ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.243.143.49`
NS	2	`gail.ns.cloudflare.com, razvan.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	3	`google-site-verification=Qw6bOnh_yOqUFaU, google-site-verification=SrvFoyZaAdW-q29...`
SOA	1	`gail.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gail.ns.cloudflare.com, gail.ns.cloudflare.com, gail.ns.cloudflare.com...)

AI analysis

opensystemsupport.com is the parent of mail.opensystemsupport.com.

opensystemsupport.com points to IP number 87.243.143.49.

Other host names, for example invando.com and redpixelworks.com, share IPs with opensystemsupport.com.

opensystemsupport.com is delegated to two name servers: gail.ns.cloudflare.com and razvan.ns.cloudflare.com.

opensystemsupport.com uses the same name server setup as other domains such as visite-plus.fr, invando.com, xinmeitulu.com, redpixelworks.com and redcatrecruitment.co.za.

opensystemsupport.com shares name servers with other domains at least partially, for example blogdelaspersonasreales.com, monadmommies.com, wuxibearing.cn, findju.com and headline.com.

These name servers are commonly used with the name servers glen.ns.cloudflare.com and arvind.ns.cloudflare.com.

Host names with six IP numbers: host name gail.ns.cloudflare.com points to: 2606:4700:50::adf5:3a74, 2803:f800:50::6ca2:c074, 2a06:98c1:50::ac40:2074, 108.162.192.116, 172.64.32.116 and 173.245.58.116; host name razvan.ns.cloudflare.com points to: 2606:4700:58::a29f:2c4d, 2803:f800:50::6ca2:c34d, 2a06:98c1:50::ac40:234d, 108.162.195.77, 162.159.44.77 and 172.64.35.77.

Five mail servers handle opensystemsupport.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

opensystemsupport.com shares mail servers with other domains at least partially; for instance ns500759.ns500698.ns500758.ns500759.ns500698.ns500736.ns500736.ns500708.ns500698.ns500708.ns500708.ns500686.ns500619.ns500576.trackreceptor.com, ns500759.ns500759.ns500758.ns500759.ns500698.ns500736.ns500736.ns500736.ns500698.ns500735.ns500686.ns500698.ns500619.ns500619.trackreceptor.com, ns500759.ns500698.ns500759.ns500758.ns500698.ns500698.ns500698.ns500735.ns500736.ns500619.ns500698.ns500576.ns500652.trackreceptor.com, ns500734.ns500699.ns500734.ns500699.ns500734.ns500693.ns500588.ns500693.ns500612.ns500612.ns500588.ns500612.dtrkdll.com and ns500698.ns500698.ns500758.ns500698.ns500758.ns500735.ns500735.ns500698.ns500736.ns500576.ns500576.ns500576.ns500619.ns500576.ns500576.trackreceptor.com.

These mail servers are often used alongside alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IPs

The host name aspmx2.googlemail.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.27.

The host name aspmx3.googlemail.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.27.

The host name aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.

The host name alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.

The host name alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.

Host names that point to 2607:f8b0:4003:c30::1b are aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names that point to 2607:f8b0:4001:c70::1a are aspmx3.googlemail.com and alt2.aspmx.l.google.com.

opensystemsupport.com - robtex.com