`mail.optimal-connection.com`

DNSSEC	⚠️ Not signed
A	2a05:1500:702:5:1c00:8dff:fe00:2757^{🇳🇱 CLDIN-NL2a05:1500::/29}
		PTR	`web-1123.yourhosting.nl`
A	92.63.174.239^{🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route}

`optimal-connection.com`

	DNSSEC	🔒 Signed (DS record present)
	A	2a05:1500:702:5:1c00:8dff:fe00:2757^{🇳🇱 CLDIN-NL2a05:1500::/29}
	A	92.63.174.239^{🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route}
	NS	`ns1.argewebhosting.eu` ⭐
	NS	`ns2.argewebhosting.com`
	NS	`ns3.argewebhosting.nl`
	MX	`mx02.spamshredder.nl` ⭐
	MX	`mx01.spamshredder.nl`⁽²⁰⁾
	TXT	`vcqz7hqpzv1ybztfcwf0vxzmpy9yc2wz`
	TXT	`ttwbn459zqytyf7mns922m6d9zg74tmq`
	TXT	`_pqn98pzjkqcc5wx2w7srx26y2123jx5`
	TXT	`xxbf9t7fp8w7fgbnvxxsgs5v3ypvbtbr`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	TXT	`_5ohg7tu9yqpdo5vluea7g8j335o2f1y`
	SOA	`ns1.argewebhosting.eu`hostmaster@argeweb.nl 2026-03-18 #99

Previously MX for

optimal-connection.com

Same first word

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DNS History

3 records (2 active, 1 former)

●A2a05:1500:702:5:1c00:8dff:fe00:27572026-02-22 → 2026-04-03 · 3 obs

○ 2016-05-03 11:59:50
● 2026-02-22 08:07:58
● 2026-04-03 07:57:42

○A81.18.244.2222015-05-08 → 2016-05-03 · 4 obs

● 2015-05-08 22:05:08
● 2016-05-03 11:59:50
○ 2026-02-22 08:07:58
○ 2026-04-03 07:57:42

●A92.63.174.2392026-02-22 → 2026-04-03 · 3 obs

○ 2016-05-03 11:59:50
● 2026-02-22 08:07:58
● 2026-04-03 07:57:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net...	-
optimal-connection.com	ns3.argewebhosting.nl, ns1.argewebhosting.eu, ns2.argewebhosting.com	2 records

✅ Authoritative Response

Server:31.25.98.169

NS records: ns3.argewebhosting.nl, ns1.argewebhosting.eu, ns2.argewebhosting.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 768ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`92.63.174.239`
AAAA	1	`2a05:1500:702:5:1c00:8dff:fe00:2757`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.argewebhosting.com, ns2.argewebhosting.com)

Analysis

IP Addresses

mail.optimal-connection.com points to two IP numbers: 2a05:1500:702:5:1c00:8dff:fe00:2757 and 92.63.174.239.

Other host names, for instance formula-student.nl, farmakeur.nl, powerport.nl, schoonbroodt.nl and www.ralplast.com share IP numbers with mail.optimal-connection.com.

mail.optimal-connection.com - robtex.com