kastmail.com - robtex.com
kastmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| MX | mail.kastmail.com ⭐ | ||||||
| A | 66.29.132.79🇺🇸 NAMCHEAP-PH66.29.132.0/24 | ||||||
| PTR | premium204-5.web-hosting.com | ||||||
| TXT | v=spf1 +a +mx ip4:66.29.132.79 ip4:184.94.213.4 ~all | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1751820761 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785855799 | ||||||
Subdomains
mail.kastmail.com |
Same first word
kastmail.com |
Similar names
DNS History
8 records (3 active, 5 former)
●NSdns1.registrar-servers.com2026-07-03 → 2026-08-04 · 3 obs
● 2026-07-03 17:55:28
● 2026-08-04 15:32:32
○NSdns10.parkpage.foundationapi.com2018-05-21 → 2018-05-21 · 3 obs
○ 2026-07-03 17:55:28
○ 2026-08-04 15:32:32
●NSdns2.registrar-servers.com2026-07-03 → 2026-08-04 · 3 obs
● 2026-07-03 17:55:28
● 2026-08-04 15:32:32
○NSdns9.parkpage.foundationapi.com2018-05-21 → 2018-05-21 · 3 obs
○ 2026-07-03 17:55:28
○ 2026-08-04 15:32:32
●MXmail.kastmail.com2026-07-03 → 2026-08-04 · 2 obs
● 2026-08-04 15:32:32
○A209.99.40.2222018-05-21 → 2018-05-21 · 3 obs
○ 2026-07-03 17:55:28
○ 2026-08-04 15:32:32
○A209.99.40.2232018-05-21 → 2018-05-21 · 3 obs
○ 2026-07-03 17:55:28
○ 2026-08-04 15:32:32
○PTRdns11.parkpage.foundationapi.com2018-05-21 → 2018-05-21 · 3 obs
○ 2026-07-03 17:55:28
○ 2026-08-04 15:32:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net... | - |
| kastmail.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kastmail.com (unsigned zone)
⏱️ Timing
Total: 222ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | mail.kastmail.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx ip4:66.29.132.79 ip4:184.9 |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
Hierarchy
mail.kastmail.com is delegated beneath kastmail.com.
Name Servers
The NS records for kastmail.com delegate to dns1.registrar-servers.com and dns2.registrar-servers.com.
kastmail.com uses the same name servers as several other domains — among them myepapp.com, kristiekoningdesign.com, petitcam.com and two more.
The name servers for kastmail.com are partially shared with other domains like medarchitettiassociati.com, thegogiverretreat.com and scoreafile.com
The name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com are often found in combination with these name servers.
dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200. Likewise, dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200 — two IP addresses apiece.
Mail Servers
Mail for kastmail.com is handled by a single mail server, mail.kastmail.com.
mail.kastmail.com resolves to 66.29.132.79 and no other IP number.