mx.greyswan.tech - robtex.com
mx.greyswan.tech
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.140.213.53🇺🇸 COGENT38.0.0.0/8 Cogent | ||||||
| PTR | zimbra.greyswan.tech | ||||||
greyswan.tech
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.140.213.50🇺🇸 COGENT38.0.0.0/8 Cogent | ||||||
| NS | ns2.rackspace.com ⭐ | ||||||
| NS | ns.rackspace.com | ||||||
| MX | mail.greyswan.tech ⭐ | ||||||
| TXT | khl809pg53vt45cdtjsx4lx1k9df61sw | ||||||
| TXT | v=spf1 mx ip4:38.140.213.48/29 -all | ||||||
| TXT | google-site-verification=5l9hAIAi0CC-qev8Ozd-CQ0g8pcg9TAyR4JspACTl_k | ||||||
| SOA | ns.rackspace.comhostmaster@rackspace.com serial=1647873071 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A38.140.213.532026-02-24 → 2026-05-15 · 2 obs
● 2026-02-24 22:40:32
● 2026-05-15 00:14:26
● 2026-05-15 00:14:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net | - |
| greyswan.tech | ns.rackspace.com, ns2.rackspace.com | - |
✅ Authoritative Response
Server:65.61.188.4
NS records: ns.rackspace.com, ns2.rackspace.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for greyswan.tech (unsigned zone)
⏱️ Timing
Total: 311ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.140.213.53 |
Analysis
Mail Server Role
mx.greyswan.tech serves as the mail server for greyswancorp.com.
mail.protonmail.ch and mailsec.protonmail.ch are commonly used as mail servers together with mx.greyswan.tech.
IP Addresses
mx.greyswan.tech resolves to a single IP: 38.140.213.53.
Other host names share IP numbers with mx.greyswan.tech; for instance zimbra.greyswan.tech.