`achieveprogram.siu.edu`

DNSSEC	⚠️ Not signed
A	131.230.21.130^{🇺🇸 AS15119131.230.0.0/16}
		PTR	`plesk-sites1.web.siu.edu`

`siu.edu`

	DNSSEC	⚠️ Not signed
	A	131.230.21.130^{🇺🇸 AS15119131.230.0.0/16}
	NS	`ns1.siu.edu` ⭐
	NS	`ns3.siu.edu`
	NS	`ns4.siu.edu`
	NS	`ns5.siu.edu`
	MX	`siu-edu.mail.protection.outlook.com` ⭐
	TXT	`e2ma-verification=19bbb`
	TXT	`v=spf1 a mx ip4:131.230.0.0/16 include:spf.protection.outlook.com include:sen...`
	TXT	`HoxTnhzvBYZ82oYiTjotA/8BUKC/NJEHjQL5Yvtwo15uaVyH+vsDHa5xmjKxnwtDtJloUn2AHIlLs...`
	TXT	`adobe-idp-site-verification=8e699fe7391a61d469bd007a3295c397905fb566b98db27d3...`
	TXT	`e2ma-verification=702eb`
	TXT	`apple-domain-verification=UWcwBIUNhBK-htVraea_MSmuyduELwRhhWx2MFJw2OE`
	TXT	`MS=ms20230666`
	TXT	`apple-domain-verification=wLe0m12b2Z4EunYa`
	SOA	`ns1.siu.edu`network-engineering@siu.edu 2026-03-27 #3

WOT: SAFE (82/100)
rank #7178 globally
rank #234 in the tld
WOT: SAFE (85/100)
📈 Tranco rank: #16,718

PTR for

11.92.230.131.in-addr.arpa

Same first word

achieveprogram.org

DNS History

1 record (1 active, 0 former)

●A131.230.21.1302026-03-05 → 2026-03-28 · 2 obs

● 2026-03-05 17:06:52
● 2026-03-28 07:22:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
siu.edu	ns1.siu.edu, ns4.siu.edu, ns3.siu.edu, ns5.siu.edu	4 records

✅ Authoritative Response

Server:131.230.24.1

NS records: ns1.siu.edu, ns4.siu.edu, ns3.siu.edu, ns5.siu.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for siu.edu (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`131.230.21.130`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.siu.edu, ns4.siu.edu, ns3.siu.edu...)

Analysis

IP Addresses

achieveprogram.siu.edu points to a single IP number: 131.230.21.130.

other host names for instance siu.edu, casd.siuc.edu, summer.siu.edu, econdev.siu.edu and vcresearch.siu.edu share IP numbers with achieveprogram.siu.edu.

achieveprogram.siu.edu - robtex.com