`celco-csu.com`

DNSSEC	⚠️ Not signed
A	45.223.161.112^{🇺🇸 IMPERVA45.223.161.0/24}
A	45.223.181.112^{🇺🇸 IMPERVA45.223.181.0/24}
NS	`dns1.p01.nsone.net` ⭐ ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p02.nsone.net` ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:2:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p02.nsone.net`
		A	198.51.44.2^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p02.nsone.net`
NS	`dns2.p01.nsone.net` ⚠️ Not in zone NS records 🔒
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p01.nsone.net`
NS	`dns2.p02.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:2::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p02.nsone.net`
		A	198.51.45.2^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p02.nsone.net`
NS	`dns3.p01.nsone.net` ⚠️ Not in zone NS records 🔒
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p01.nsone.net`
NS	`dns3.p02.nsone.net` ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:2:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p02.nsone.net`
		A	198.51.44.66^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p02.nsone.net`
NS	`dns4.p01.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p01.nsone.net`
NS	`dns4.p02.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:2::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p02.nsone.net`
		A	198.51.45.66^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p02.nsone.net`
MX	`mx1.hc2313-10.iphmx.com` ⭐
		A	216.71.152.228^{🇺🇸 CISCO-1216.71.152.0/24 170 West Tasman Drive San Jose CA 95134 United States}
		A	216.71.153.30^{🇺🇸 CISCO-1216.71.153.0/24 170 West Tasman Drive San Jose CA 95134 United States}
		A	216.71.154.249^{🇺🇸 CISCO-1216.71.154.0/23 NAP5}
		A	216.71.154.250^{🇺🇸 CISCO-1216.71.154.0/23 NAP5}
MX	`mx2.hc2313-10.iphmx.com` ⭐
		A	216.71.152.228^{🇺🇸 CISCO-1216.71.152.0/24 170 West Tasman Drive San Jose CA 95134 United States}
		A	216.71.153.30^{🇺🇸 CISCO-1216.71.153.0/24 170 West Tasman Drive San Jose CA 95134 United States}
		A	216.71.154.249^{🇺🇸 CISCO-1216.71.154.0/23 NAP5}
		A	216.71.154.250^{🇺🇸 CISCO-1216.71.154.0/23 NAP5}
TXT	`MS=ms76687268`
TXT	`v=spf1 exists:%{i}.spf.hc2313-10.iphmx.com mx a:email.itt.com include:spf.pro...`
TXT	`globalsign-domain-verification=0AAC96B8FD0CA564A537A872681E5BEB`
SOA	`dns1.p01.nsone.net`hostmaster@nsone.net serial=1684195719

`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

Subdomains

mail.celco-csu.com

Same first word

celco-csu.net

celco-csu.com

DNS History

23 records (12 active, 11 former)

●NSdns1.p01.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●NSdns1.p02.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●NSdns2.p01.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●NSdns2.p02.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●NSdns3.p01.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●NSdns3.p02.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●NSdns4.p01.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●NSdns4.p02.nsone.net2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

○NSns.integraonline.com2015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○NSns.multicorp.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:55:34
○ 2015-07-11 22:54:48
○ 2026-03-24 10:43:22

○NSns2.integraonline.com2016-06-22 → 2017-07-06 · 5 obs

○ 2015-07-11 22:54:48
● 2016-06-22 20:08:22
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○NSns2.multicorp.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:55:34
○ 2015-07-11 22:54:48
○ 2026-03-24 10:43:22

●MXmx1.hc2313-10.iphmx.com2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●MXmx2.hc2313-10.iphmx.com2026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

○MXx00.i.ismtp.integra.net2015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○MXx01.i.ismtp.integra.net2015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○MXx02.i.ismtp.integra.net2015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○MXx03.i.ismtp.integra.net2015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○MXx04.i.ismtp.integra.net2015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○MXx05.i.ismtp.integra.net2015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

○A204.130.255.72015-07-11 → 2017-07-06 · 5 obs

○ 2008-03-20 08:55:34
● 2015-07-11 22:54:48
● 2017-07-06 15:56:06
○ 2026-03-09 09:33:28
○ 2026-03-24 10:43:22

●A45.223.161.1122026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

●A45.223.181.1122026-03-09 → 2026-03-24 · 3 obs

○ 2017-07-06 15:56:06
● 2026-03-09 09:33:28
● 2026-03-24 10:43:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
celco-csu.com	dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net	-

✅ Authoritative Response

Server:198.51.44.65

NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for celco-csu.com (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`45.223.161.112, 45.223.181.112`
NS	4	`dns2.p02.nsone.net, dns1.p02.nsone.net...`
MX	2	`mx1.hc2313-10.iphmx.com (pri: 10), mx2.hc2313-10.iphmx.com (pri: 10)`
TXT	3	`MS=ms76687268, v=spf1 exists:%{i}.spf.hc2313-10.iphmx.c...`
SOA	1	`dns1.p01.nsone.net hostmaster.nsone.net`

Analysis

Hierarchy

mail.celco-csu.com is a child of celco-csu.com.

IP Addresses

celco-csu.com has two IP numbers: 45.223.161.112 and 45.223.181.112.

Other host names, for instance ittcannon.com, cyzgfor.ng.impervadns.net, ittindustrialprocess.com, ittauto.com and re72kow.ng.impervadns.net share IP numbers with celco-csu.com.

Name Servers

celco-csu.com is delegated to eight name servers: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net and dns4.p02.nsone.net.

celco-csu.com at least partially shares name servers with other domains, including cordeiros-construction.com, stonewoodcastle.com, khidalgo.com, janssenneuroscience.co.nz and codon.com.

These name servers are commonly used with ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, ns01.jnjdns.com, ns02.jnjdns.com, ns03.jnjdns.com, ns04.jnjdns.com, connect1.squarespacedns.com and connect2.squarespacedns.com.

Host names with two IP numbers

dns1.p01.nsone.net ->2620:4d:4000:6259:7:1:0:1 and 198.51.44.1

dns2.p01.nsone.net ->2a00:edc0:6259:7:1::2 and 198.51.45.1

dns3.p01.nsone.net ->2620:4d:4000:6259:7:1:0:3 and 198.51.44.65

dns4.p01.nsone.net ->2a00:edc0:6259:7:1::4 and 198.51.45.65

dns1.p02.nsone.net ->2620:4d:4000:6259:7:2:0:1 and 198.51.44.2

dns2.p02.nsone.net ->2a00:edc0:6259:7:2::2 and 198.51.45.2

dns3.p02.nsone.net ->2620:4d:4000:6259:7:2:0:3 and 198.51.44.66

dns4.p02.nsone.net ->2a00:edc0:6259:7:2::4 and 198.51.45.66

Mail Servers

celco-csu.com is served by two mail servers mx1.hc2313-10.iphmx.com and mx2.hc2313-10.iphmx.com.

celco-csu.com shares the same mail server setup as other domains, for instance habonim.com, rheinhuette.com, bornemann.com, ctreat.com and ittcorp.net.