`coreprob.coreprobation.org`

DNSSEC	⚠️ Not signed
A	54.203.237.202^{🇺🇸 Amazon54.202.0.0/15 EC2 PDX prefix}
		PTR	`ec2-54-203-237-202.us-west-2.compute.amazonaws.com`

`coreprobation.org`

	DNSSEC	⚠️ Not signed
	A	2607:f1c0:100f:f000::200^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
	A	74.208.236.91^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
	NS	`ns1106.ui-dns.org` ⭐
	NS	`ns1033.ui-dns.de`
	NS	`ns1079.ui-dns.biz`
	NS	`ns1084.ui-dns.com`
	MX	`mx00.ionos.com` ⭐
	MX	`mx01.ionos.com` ⭐
	TXT	`v=spf1 include:_spf-us.ionos.com ~all`
	SOA	`ns1106.ui-dns.org`hostmaster@1und1.com 2017-06-01 #69

⚠️ On DNS blocklist: urlshortener

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DNS History

1 record (1 active, 0 former)

●A54.203.237.2022026-08-02 → 2026-08-08 · 2 obs

● 2026-08-02 04:18:34
● 2026-08-08 08:27:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
coreprobation.org	ns1084.ui-dns.com, ns1079.ui-dns.biz, ns1033.ui-dns.de, ns1106.ui-dns.org	2 records

✅ Authoritative Response

Server:217.160.83.106

NS records: ns1084.ui-dns.com, ns1079.ui-dns.biz, ns1033.ui-dns.de, ns1106.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreprobation.org (unsigned zone)

⏱️ Timing

Total: 513ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.203.237.202`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1106.ui-dns.org, ns1106.ui-dns.org)

Analysis

IP Addresses

coreprob.coreprobation.org directs to one IP number, which is 54.203.237.202.

Among the host names that share IP numbers with coreprob.coreprobation.org are cta.careers, eyeglass.expert, uom.link and two others.

coreprob.coreprobation.org - robtex.com