`rossoffice.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:321c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9bdb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.28^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.219^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
NS	`serena.ns.cloudflare.com`
		A	2606:4700:50::adf5:3adc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serena.ns.cloudflare.com`
		A	108.162.192.220^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	172.64.32.220^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
		A	173.245.58.220^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serena.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.28, 172.67.155.219
		IPv6 hints	2606:4700:3033::6815:321c, 2606:4700:3037::ac43:9bdb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=196, name=cloudflare-ech.com
SOA	`dan.ns.cloudflare.com`dns@cloudflare.com serial=2398965594

`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=1775408857

Same first word

rossoffice.com

DNS History

22 records (8 active, 14 former)

●NSdan.ns.cloudflare.com2026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

○NSdns1.registrar-servers.com2016-12-17 → 2017-10-28 · 4 obs

● 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

○NSdns2.registrar-servers.com2016-12-17 → 2017-10-28 · 4 obs

● 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

●NSserena.ns.cloudflare.com2026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

○MXalt1.aspmx.l.google.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:08:28
○ 2017-10-28 17:04:00
○ 2026-04-05 17:12:56

○MXalt2.aspmx.l.google.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:08:28
○ 2017-10-28 17:04:00
○ 2026-04-05 17:12:56

○MXaspmx.l.google.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:08:28
○ 2017-10-28 17:04:00
○ 2026-04-05 17:12:56

○MXaspmx2.googlemail.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:08:28
○ 2017-10-28 17:04:00
○ 2026-04-05 17:12:56

○MXaspmx3.googlemail.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:08:28
○ 2017-10-28 17:04:00
○ 2026-04-05 17:12:56

○MXeforward1.registrar-servers.com2017-10-28 → 2017-10-28 · 4 obs

○ 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

○MXeforward2.registrar-servers.com2017-10-28 → 2017-10-28 · 4 obs

○ 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

○MXeforward3.registrar-servers.com2017-10-28 → 2017-10-28 · 4 obs

○ 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

○MXeforward4.registrar-servers.com2017-10-28 → 2017-10-28 · 4 obs

○ 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

○MXeforward5.registrar-servers.com2017-10-28 → 2017-10-28 · 4 obs

○ 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

●MXin1-smtp.messagingengine.com2026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

●MXin2-smtp.messagingengine.com2026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

●A104.21.50.282026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

●A172.67.155.2192026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

○A192.30.252.1532016-12-17 → 2017-10-28 · 4 obs

● 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

○A192.30.252.1542016-12-17 → 2017-10-28 · 4 obs

● 2016-12-17 12:08:28
● 2017-10-28 17:04:00
○ 2026-02-23 20:48:38
○ 2026-04-05 17:12:56

●A2606:4700:3033::6815:321c2026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

●A2606:4700:3037::ac43:9bdb2026-02-23 → 2026-04-05 · 3 obs

○ 2017-10-28 17:04:00
● 2026-02-23 20:48:38
● 2026-04-05 17:12:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
rossoffice.com	dan.ns.cloudflare.com, serena.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.108

NS records: dan.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rossoffice.com (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.28, 172.67.155.219`
AAAA	2	`2606:4700:3037::ac43:9bdb, 2606:4700:3033::6815:321c`
NS	2	`dan.ns.cloudflare.com, serena.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dan.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rossoffice.com points to four IP numbers: 2606:4700:3033::6815:321c, 2606:4700:3037::ac43:9bdb, 104.21.50.28 and 172.67.155.219.

Other host names, for instance superpl.us, ernita4dvip.space, kisugojoheexpartners.click, www.thepenthouseclubphilly.net and gamestoday.info share IP numbers with rossoffice.com.

Name Servers

rossoffice.com's delegation is to two name servers dan.ns.cloudflare.com and serena.ns.cloudflare.com.

rossoffice.com shares the same name server configuration as other domains, such as interschool.edu.sv, chaseross.com, missionracewaypark.com, quality-health-care.com and fastverify.org.

rossoffice.com at least partially shares its name servers with other domains, for instance myprinter.club, lgs.kiev.ua, nexinex.com, myspyfam.com and 4blackhistory.com.

Host names with six IP numbers:

dan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6c, 2803:f800:50::6ca2:c16c, 2a06:98c1:50::ac40:216c, 108.162.193.108, 172.64.33.108 and 173.245.59.108.

serena.ns.cloudflare.com points to: 2606:4700:50::adf5:3adc, 2803:f800:50::6ca2:c0dc, 2a06:98c1:50::ac40:20dc, 108.162.192.220, 172.64.32.220 and 173.245.58.220.

Mail Servers

Two mail servers in1-smtp.messagingengine.com and in2-smtp.messagingengine.com handle rossoffice.com.

rossoffice.com uses the same mail server setup as other domains such as plesk1.hostd.org, rudinger.com, pequod.co, a.ns.rootserver.ca and fracsoft.com.

rossoffice.com shares at least partially some mail servers with other domains, for example powerhousemusic.net, joshcollie.com, alduino.dev and cmason.com.

Eight IP numbers for the first set:

The host name in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Four IP numbers for the second set:

The host name in2-smtp.messagingengine.com points to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

rossoffice.com - robtex.com

rossoffice.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`rossoffice.com`

`com`