postmarks.com - dns.ninja
postmarks.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 205.238.26.185🇺🇸 SCNRESEARCH205.238.26.0/23 SCN RESEARCH Inc. Net3 | ||||||
| PTR | mmax1.mmax.com | ||||||
| NS | mmax1.mmax.com ⭐ | ||||||
| A | 205.238.26.185🇺🇸 SCNRESEARCH205.238.26.0/23 SCN RESEARCH Inc. Net3 | ||||||
| PTR | mmax1.mmax.com | ||||||
| NS | mmax.com | ||||||
| A | 205.238.26.185🇺🇸 SCNRESEARCH205.238.26.0/23 SCN RESEARCH Inc. Net3 | ||||||
| PTR | mmax1.mmax.com | ||||||
| NS | ns1.scnresearch.com | ||||||
| A | 205.238.26.97🇺🇸 SCNRESEARCH205.238.26.0/23 SCN RESEARCH Inc. Net3 | ||||||
| PTR | qiclab.scnresearch.com | ||||||
| NS | ns2.scnresearch.com ⚠️ Not in parent delegation | ||||||
| A | 216.128.96.24🇺🇸 SCIN-AS216.128.96.0/21 Netblock for Scatter Creek Infonet / AS10973 | ||||||
| PTR | ns2.scnresearch.com | ||||||
| MX | postmarks.com ⭐ | ||||||
| A | 205.238.26.185🇺🇸 SCNRESEARCH205.238.26.0/23 SCN RESEARCH Inc. Net3 | ||||||
| PTR | mmax1.mmax.com | ||||||
| TXT | google-site-verification=jJn81j_-3ErIT5xpJeT8JzQWvDw3r9rPdnKU37DpIEQ | ||||||
| SOA | mmax1.mmax.comhostmaster@mmax1.mmax.com 2025-05-06 #1 | ||||||
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=1785170982 | ||||||
MX for
Subdomains
scnvb1.postmarks.com |
Same first word
Similar names
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stmarksop.org |
sportskam.no |
tomsparks.com |
masksport.com |
topraksms.com |
tomsparks.net |
kamsports.co.uk |
markspots.com |
spotmarks.com |
kamsports.com |
amksports.com |
DNS History
7 records (6 active, 1 former)
●NSns1.scnresearch.com2026-03-04 → 2026-07-27 · 3 obs
● 2026-03-04 08:05:26
● 2026-07-27 16:51:56
●NSns2.scnresearch.com2026-03-04 → 2026-07-27 · 3 obs
● 2026-03-04 08:05:26
● 2026-07-27 16:51:56
○NSqiclab.scn.rain.com2015-07-15 → 2017-08-31 · 4 obs
● 2017-08-31 14:06:44
○ 2026-03-04 08:05:26
○ 2026-07-27 16:51:56
●MXpostmarks.com2015-07-15 → 2026-07-27 · 2 obs
● 2026-07-27 16:51:56
●A205.238.26.1852015-07-15 → 2026-07-27 · 2 obs
● 2026-07-27 16:51:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| postmarks.com | mmax.com, ns1.scnresearch.com | 2 records |
✅ Authoritative Response
Server:205.238.26.97
NS records: mmax.com, ns1.scnresearch.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for postmarks.com (unsigned zone)
⏱️ Timing
Total: 644ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.238.26.185 |
| NS | 3 | NS1.SCNRESEARCH.COM, NS2.SCNRESEARCH.COM... |
| MX | 1 | postmarks.com (pri: 10) |
| TXT | 1 | google-site-verification=jJn81j_-3ErIT5x |
| SOA | 1 | mmax1.mmax.com hostmaster.mmax1.mmax.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (mmax.com, ns1.scnresearch.com)
Analysis
Hierarchy
scnvb1.postmarks.com is delegated beneath postmarks.com.
Mail Server Role
Mail for scnvb1.postmarks.com and postmarks.com is handled by the mail server postmarks.com.
IP Addresses
postmarks.com has exactly one IP address — 205.238.26.185.
mail.cosmozilla.net, www.u2en.net, u2en.net plus two other host names have IP numbers in common with postmarks.com.
Name Servers
Four name servers handle the delegation for postmarks.com: mmax.com, mmax1.mmax.com, ns1.scnresearch.com and ns2.scnresearch.com.
There is at least partial name server overlap between postmarks.com and other domains — kputel.com, 40.19.72.in-addr.arpa, 131.178.66.in-addr.arpa and two more among them.
These name servers regularly appear alongside qiclab.scnresearch.com, dns1.cascadeaccess.com, auth1.ns.gin.ntt.net and 7 other name servers in NS record sets.
mmax.com, mmax1.mmax.com, ns1.scnresearch.com and ns2.scnresearch.com each have one IP address: mmax.com → 205.238.26.185, mmax1.mmax.com → 205.238.26.185, ns1.scnresearch.com → 205.238.26.97 and ns2.scnresearch.com → 216.128.96.24.
These two host names — mmax.com and mmax1.mmax.com — each point to 205.238.26.185 IP addresses.
Mail Servers
postmarks.com uses exactly one mail server, which is postmarks.com.
postmarks.com uses the same mail servers as other domains, including scnvb1.postmarks.com.
There is one IP number for postmarks.com: 205.238.26.185.