mail.optionsblock.com - robtex.com

mail.optionsblock.com

DNSSEC⚠️ Not signed
A207.148.248.143🇺🇸 EIG-29873207.148.248.0/24
PTRip-207-148-248-143.defastlink.net

optionsblock.com

DNSSEC⚠️ Not signed
A207.148.248.143🇺🇸 EIG-29873207.148.248.0/24
NSns.buydomains.com ⚠️ Not in zone NS records
NSthis-domain-for-sale.com ⚠️ Not in zone NS records

Previously MX for

optionsblock.com

Same first word

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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A207.148.248.14369.195.91.23969.89.31.192
●A207.148.248.1432026-03-23 → 2026-03-23 · 2 obs
○ 2016-11-19 07:36:42
● 2026-03-23 19:27:44
○A69.195.91.2392015-07-20 → 2015-12-09 · 4 obs
● 2015-07-20 20:00:24
● 2015-12-09 04:15:22
○ 2016-03-30 08:36:04
○ 2026-03-23 19:27:44
○A69.89.31.1922016-03-30 → 2016-11-19 · 4 obs
○ 2015-12-09 04:15:22
● 2016-03-30 08:36:04
● 2016-11-19 07:36:42
○ 2026-03-23 19:27:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...-
optionsblock.comns.buydomains.com, this-domain-for-sale.com2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optionsblock.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

TypeCountSample Data
A1207.148.248.143

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

mail.optionsblock.com resolves to one IP number: 207.148.248.143.

other host names including listenaid.com, www.souvenirhunter.com, slamsworld.com, enchion.com and xyreon.com share IP numbers with mail.optionsblock.com.