`iucis.edu`

DNSSEC	⚠️ Not signed
A	66.147.242.181^{🇺🇸 EIGI66.147.240.0/20 Unified Layer}
		PTR	`box581.bluehost.com`
NS	`ns1.bluehost.com` ⭐
		A	162.159.24.80^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.bluehost.com`
NS	`ns2.bluehost.com`
		A	162.159.25.175^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.bluehost.com`
MX	`mx.spamexperts.com` ⭐
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
MX	`fallbackmx.spamexperts.eu`⁽²⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	2001:550:2:78::ca:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
		A	38.101.250.150^{🇺🇸 AS1663338.101.250.0/24}
			PTR	`fe3-r2-in.atl06.l.antispamcloud.com`
MX	`lastmx.spamexperts.net`⁽³⁰⁾
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	2001:978:2:7::162:100^{🇩🇪 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	2001:978:2:2c::137:100^{🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
		A	38.71.16.244^{🇺🇸 AS1663338.71.16.0/24}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	38.89.254.156^{🇺🇸 AS1663338.89.254.0/23}
			PTR	`fe1-r2-in.ch03.l.antispamcloud.com`
		A	149.13.75.27^{🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	154.59.104.23^{🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
TXT	`v=spf1 +a +mx +ip4:50.87.236.238 +ip4:66.147.242.181 +ip4:69.89.31.78 +includ...`
SOA	`ns1.bluehost.com`root@box2421.bluehost.com 2026-01-18 #2

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1785239097

WOT: SAFE (64/100)

Previously MX for

iucis.edu

Subdomains

www.iucis.edu

Same first word

iucis.edu

Similar names

icius.org

uiics.com

uiisc.com

usiic.com

icisu.com

cisui.cn

ciusi.com

iicus.net

uisci.com

cuisi.cn

cuisi.com

usiic.org

cusii.com

iusci.com

uiisc.org

ciius.com

usiic.us

usici.com

cisiu.com

icusi.com

cuiis.com

sucii.com

iicus.com

icisu.net

sciiu.com

sicui.com

cuisi.com.cn

uscii.com

cisui.com.cn

icius.com

cisui.com

ciuis.com

usiic.co

suiic.com

isicu.com

DNS History

9 records (6 active, 3 former)

●NSns1.bluehost.com2015-07-06 → 2026-07-28 · 3 obs

○ 2008-11-28 03:41:08
● 2015-07-06 12:58:20
● 2026-07-28 11:48:52

●NSns2.bluehost.com2015-07-06 → 2026-07-28 · 3 obs

○ 2008-11-28 03:41:08
● 2015-07-06 12:58:20
● 2026-07-28 11:48:52

●MXfallbackmx.spamexperts.eu2015-07-06 → 2026-07-28 · 3 obs

○ 2008-11-28 03:41:08
● 2015-07-06 12:58:20
● 2026-07-28 11:48:52

○MXiucis.edu2008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 03:41:08
○ 2015-07-06 12:58:20
○ 2026-07-28 11:48:52

●MXlastmx.spamexperts.net2015-07-06 → 2026-07-28 · 3 obs

○ 2008-11-28 03:41:08
● 2015-07-06 12:58:20
● 2026-07-28 11:48:52

●MXmx.spamexperts.com2015-07-06 → 2026-07-28 · 3 obs

○ 2008-11-28 03:41:08
● 2015-07-06 12:58:20
● 2026-07-28 11:48:52

○A50.87.236.42015-07-06 → 2016-12-27 · 5 obs

○ 2008-11-28 03:41:08
● 2015-07-06 12:58:20
● 2016-12-27 10:50:36
○ 2026-04-05 05:29:32
○ 2026-07-28 11:48:52

●A66.147.242.1812026-04-05 → 2026-07-28 · 3 obs

○ 2016-12-27 10:50:36
● 2026-04-05 05:29:32
● 2026-07-28 11:48:52

○A67.228.235.882008-11-28 → 2008-11-28 · 3 obs

● 2008-11-28 03:41:08
○ 2015-07-06 12:58:20
○ 2026-07-28 11:48:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
iucis.edu	ns1.bluehost.com, ns2.bluehost.com	-

✅ Authoritative Response

Server:162.159.24.80

NS records: ns1.bluehost.com, ns2.bluehost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iucis.edu (unsigned zone)

⏱️ Timing

Total: 493ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.147.242.181`
NS	2	`ns2.bluehost.com, ns1.bluehost.com`
MX	3	`fallbackmx.spamexperts.eu (pri: 20), mx.spamexperts.com (pri: 10)...`
TXT	1	`v=spf1 +a +mx +ip4:50.87.236.238 +ip4:66`
SOA	1	`ns1.bluehost.com root.box2421.bluehost.c`

Analysis

Hierarchy

iucis.edu is the parent zone for www.iucis.edu.

IP Addresses

iucis.edu directs to one IP number, which is 66.147.242.181.

Among the host names that share IP numbers with iucis.edu are box581.bluehost.com, mail.evanjroberts.com, iplanzvt.com and two others.

Name Servers

Two name servers handle the delegation for iucis.edu: ns1.bluehost.com and ns2.bluehost.com.

iucis.edu has the same name server delegation as a number of other domains, such as royalplumclub.com, shineonsouls.com, brilliantvillage.com and two more.

ns1.bluehost.com resolves to 162.159.24.80. ns2.bluehost.com resolves to 162.159.25.175. Both host names point to a single IP number.

Mail Servers

iucis.edu uses three mail servers — mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net.

iucis.edu shares at least some of its mail servers with other domains — for example cahaya.co.id, coursius.com, kolenberg.org and two more.

Host names resolving to 8 IP numbers:

lastmx.spamexperts.net resolves to 38.71.16.244, 38.89.254.156 and 149.13.75.27 among others, with 5 other IP addresses in total.

Host names resolving to 6 IP numbers:

fallbackmx.spamexperts.eu resolves to 38.71.16.244, 38.89.254.156 and 38.101.250.150 among others, with 3 other IP addresses in total.

Hosts with two IP numbers each:

mx.spamexperts.com resolves to two addresses: 38.101.250.150 and 2001:550:2:3::62:100.

lastmx.spamexperts.net, fallbackmx.spamexperts.eu and mx.spamexperts.com all direct to 2001:550:2:3::62:100.

lastmx.spamexperts.net along with fallbackmx.spamexperts.eu each resolve to 2001:550:2:61::2fc:100 IP addresses.

lastmx.spamexperts.net along with fallbackmx.spamexperts.eu each resolve to 38.71.16.244 IP addresses.

lastmx.spamexperts.net along with fallbackmx.spamexperts.eu each resolve to 38.89.254.156 IP addresses.

fallbackmx.spamexperts.eu along with mx.spamexperts.com each resolve to 38.101.250.150 IP addresses.

iucis.edu - robtex.com

iucis.edu

edu

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`iucis.edu`

`edu`