`rc255.net`

DNSSEC	⚠️ Not signed
A	104.16.158.133^{Cloudflare104.16.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.159.133^{Cloudflare104.16.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.189.233^{Cloudflare104.16.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.190.233^{Cloudflare104.16.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1-01.azure-dns.com` ⭐
		A	2603:1061:0:700::1^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
		A	13.107.236.1^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
NS	`ns2-01.azure-dns.net`
		A	2620:1ec:8ec:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
		A	150.171.21.1^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
NS	`ns3-01.azure-dns.org`
		A	2a01:111:4000:700::1^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-01.azure-dns.org`
		A	204.14.183.1^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-01.azure-dns.org`
NS	`ns4-01.azure-dns.info`
		A	2620:1ec:bda:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
		A	208.84.5.1^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
MX	`rc255-net.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	52.101.8.42^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr03cu00402.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.41.58^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
TXT	`ZOOM_verify_DTUy-pcoRuOGfC7EQaaE1Q`
TXT	`apple-domain-verification=Y9UvM5bJaQTeOtZl`
TXT	`rWGc2nwu8E8Y/LPGGB2AudBEouqP8Uk/yfuJyaW6Ct4eXwArodAXrjHu9jpKsYE1Hqjsb2jqP51U4...`
TXT	`v=spf1 ip4:12.227.83.34/27 ip4:216.125.36.34/28 ip6:2607:f8b0:4864:20::d49 in...`
SOA	`ns1-01.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`net`

	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=1771291465

WOT: UNKNOWN (50/100)

Subdomains

www.rc255.net

webmail.rc255.net

Same first word

rc255.org

rc255.net

DNS History

18 records (9 active, 9 former)

●NSns1-01.azure-dns.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

○NSns1mpz.domainsite.com2015-08-25 → 2017-01-04 · 4 obs

● 2015-08-25 18:11:50
● 2017-01-04 05:48:48
○ 2017-06-21 14:40:32
○ 2026-03-18 00:06:54

○NSns1mpz.name.com2017-06-21 → 2017-09-23 · 5 obs

○ 2017-01-04 05:48:48
● 2017-06-21 14:40:32
● 2017-09-23 20:58:50
○ 2026-02-15 03:14:42
○ 2026-03-18 00:06:54

●NSns2-01.azure-dns.net2026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

○NSns2cvx.domainsite.com2015-08-25 → 2017-01-04 · 4 obs

● 2015-08-25 18:11:50
● 2017-01-04 05:48:48
○ 2017-06-21 14:40:32
○ 2026-03-18 00:06:54

○NSns2cvx.name.com2017-06-21 → 2017-09-23 · 5 obs

○ 2017-01-04 05:48:48
● 2017-06-21 14:40:32
● 2017-09-23 20:58:50
○ 2026-02-15 03:14:42
○ 2026-03-18 00:06:54

●NSns3-01.azure-dns.org2026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

○NSns3fgq.domainsite.com2015-08-25 → 2017-01-04 · 4 obs

● 2015-08-25 18:11:50
● 2017-01-04 05:48:48
○ 2017-06-21 14:40:32
○ 2026-03-18 00:06:54

○NSns3fgq.name.com2017-06-21 → 2017-09-23 · 5 obs

○ 2017-01-04 05:48:48
● 2017-06-21 14:40:32
● 2017-09-23 20:58:50
○ 2026-02-15 03:14:42
○ 2026-03-18 00:06:54

●NSns4-01.azure-dns.info2026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

○NSns4cfn.domainsite.com2015-08-25 → 2017-01-04 · 4 obs

● 2015-08-25 18:11:50
● 2017-01-04 05:48:48
○ 2017-06-21 14:40:32
○ 2026-03-18 00:06:54

○NSns4cfn.name.com2017-06-21 → 2017-09-23 · 5 obs

○ 2017-01-04 05:48:48
● 2017-06-21 14:40:32
● 2017-09-23 20:58:50
○ 2026-02-15 03:14:42
○ 2026-03-18 00:06:54

●MXrc255-net.mail.protection.outlook.com2015-08-25 → 2026-03-18 · 2 obs

● 2015-08-25 18:11:50
● 2026-03-18 00:06:54

●A104.16.158.1332026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

●A104.16.159.1332026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

●A104.16.189.2332026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

●A104.16.190.2332026-02-15 → 2026-03-18 · 3 obs

○ 2017-09-23 20:58:50
● 2026-02-15 03:14:42
● 2026-03-18 00:06:54

○A12.227.83.382015-08-25 → 2017-09-23 · 4 obs

● 2015-08-25 18:11:50
● 2017-09-23 20:58:50
○ 2026-02-15 03:14:42
○ 2026-03-18 00:06:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	i.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net...	-
rc255.net	ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info	2 records

✅ Authoritative Response

Server: 208.84.5.1

NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rc255.net (unsigned zone)

⏱️ Timing

Total: 766ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`104.16.158.133, 104.16.159.133...`
NS	4	`ns1-01.azure-dns.com, ns2-01.azure-dns.net...`
MX	1	`rc255-net.mail.protection.outlook.com (p`
TXT	4	`v=spf1 ip4:12.227.83.34/27 ip4:216.125.3, ZOOM_verify_DTUy-pcoRuOGfC7EQaaE1Q...`
SOA	1	`ns1-01.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2-01.azure-dns.net, ns2-01.azure-dns.net)

Analysis

Hierarchy

rc255.net is a parent of www.rc255.net and webmail.rc255.net.

IP Addresses

Four IP numbers are pointed to by rc255.net: 104.16.158.133, 104.16.159.133, 104.16.189.233 and 104.16.190.233.

other host names including constps.org, merited.com, lucernevalleyusd.org, ghcsd.org and amsschools.org share IP numbers with rc255.net.

Name Servers

rc255.net is delegated to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.

rc255.net at least partially shares name servers with other domains, for instance giovazoom.emr.it, esab.com.br, hyper-v.hk, gottahaveit.com and recoverinminutes.com.

Host names with two IP numbers:

ns1-01.azure-dns.com points to 2603:1061:0:700::1 and 13.107.236.1; ns4-01.azure-dns.info points to 2620:1ec:bda:700::1 and 208.84.5.1; ns2-01.azure-dns.net points to 2620:1ec:8ec:700::1 and 150.171.21.1; ns3-01.azure-dns.org points to 2a01:111:4000:700::1 and 204.14.183.1.

Mail Servers

rc255.net is handled by a single mail server, rc255-net.mail.protection.outlook.com.

Host rc255-net.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c801::1, 2a01:111:f403:c92c::1, 2a01:111:f403:f902::1, 2a01:111:f403:f907::1, 52.101.8.42, 52.101.9.2, 52.101.41.21 and 52.101.41.58.

rc255.net - robtex.com

rc255.net

net

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`rc255.net`

`net`