`mailin1.optic83.com`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2101:45:13:137:7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
		PTR	`m1-u5-mx.websupport.sk`
A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}

`optic83.com`

	DNSSEC	⚠️ Not signed
	A	2a00:4b40:aaaa:2007::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
	A	37.9.175.181^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
	NS	`ns1.websupport.sk` ⭐
	NS	`ns2.websupport.sk`
	NS	`ns3.websupport.sk`
	MX	`mailin1.optic83.com` ⭐
	MX	`mailin2.optic83.com`⁽¹⁰⁾
	TXT	`v=spf1 a mx include:_spf.m1.websupport.sk ?all`
	TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
	SOA	`ns1.websupport.sk`admin@websupport.sk serial=1765900132

MX for

optic83.com

DNS History

3 records (2 active, 1 former)

●A2a00:4b40:aaaa:2101:45:13:137:72026-03-03 → 2026-07-07 · 3 obs

○ 2016-03-18 17:57:32
● 2026-03-03 02:54:56
● 2026-07-07 20:35:46

○A37.9.169.1132015-05-12 → 2016-03-18 · 4 obs

● 2015-05-12 17:59:50
● 2016-03-18 17:57:32
○ 2026-03-03 02:54:56
○ 2026-07-07 20:35:46

●A45.13.137.82026-03-03 → 2026-07-07 · 3 obs

○ 2016-03-18 17:57:32
● 2026-03-03 02:54:56
● 2026-07-07 20:35:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
optic83.com	ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk	-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optic83.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.13.137.8`
AAAA	1	`2a00:4b40:aaaa:2101:45:13:137:7`

Analysis

Mail Server Role

optic83.com uses mailin1.optic83.com as a mail server.

mailin2.optic83.com and mailin1.optic83.com tend to appear jointly as mail servers.

IP Addresses

mailin1.optic83.com points to the IP addresses 45.13.137.8 and 2a00:4b40:aaaa:2101:45:13:137:7

mailin2.danubehack.eu, mailin1.scicell.org, mailin1.ostrovdeti.sk and two other host names share IP numbers with mailin1.optic83.com.

mailin1.optic83.com - robtex.com