sdmail.com - dns.ninja
sdmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.251.188.92🇺🇸 GWTC64.251.188.0/22 | ||||||
| PTR | web-proxy.gwis.io | ||||||
| NS | ns1.gwtc.net ⭐ | ||||||
| A | 2606:5700:f:1181::2🇺🇸 GWTC2606:5700::/32 IPv6 Block 1 | ||||||
| PTR | ns1.gwtc.net | ||||||
| A | 64.251.173.3🇺🇸 GWTC64.251.172.0/22 | ||||||
| PTR | ns1.gwtc.net | ||||||
| NS | ns2.gwtc.net | ||||||
| A | 2606:5700:f:1182::2🇺🇸 GWTC2606:5700::/32 IPv6 Block 1 | ||||||
| PTR | ns2.gwtc.net | ||||||
| A | 64.251.160.3🇺🇸 GWTC64.251.160.0/22 | ||||||
| PTR | ns2.gwtc.net | ||||||
| MX | mx1.ispservices.us ⭐ | ||||||
| A | 64.251.188.73🇺🇸 GWTC64.251.188.0/22 | ||||||
| PTR | mx-filter-proxy.ispservices.us | ||||||
| MX | mx2.ispservices.us ⭐ | ||||||
| A | 64.251.188.186🇺🇸 GWTC64.251.188.0/22 | ||||||
| PTR | mx-filter-proxy-alt1.ispservices.us | ||||||
| MX | mx3.ispservices.us ⭐ | ||||||
| A | 64.251.188.187🇺🇸 GWTC64.251.188.0/22 | ||||||
| PTR | mx-filter-proxy-alt2.ispservices.us | ||||||
| MX | mx4.ispservices.us ⭐ | ||||||
| A | 64.251.188.189🇺🇸 GWTC64.251.188.0/22 | ||||||
| PTR | mx-filter-proxy-alt3.ispservices.us | ||||||
| TXT | v=spf1 include:ispservices.us -all | ||||||
| SOA | ns1.gwtc.nethostmaster@rapidnet.com 2022-11-15 #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=1783935882 | ||||||
Subdomains
www.sdmail.com |
Same first word
sdmail.co.uk |
sdmail.nl |
sdmail.de |
sdmail.ru |
sdmail.club |
sdmail.us |
sdmail.cz |
sdmail.me |
sdmail.net |
sdmail.org |
sdmail.no |
sdmail.com |
sdmail.co.kr |
Similar names
DNS History
9 records (7 active, 2 former)
○MXmail-virtual.gwtc.net2015-09-01 → 2021-01-03 · 4 obs
● 2021-01-03 17:53:30
○ 2026-02-19 09:35:28
○ 2026-07-13 10:05:10
●MXmx1.ispservices.us2026-02-19 → 2026-07-13 · 3 obs
● 2026-02-19 09:35:28
● 2026-07-13 10:05:10
●MXmx2.ispservices.us2026-02-19 → 2026-07-13 · 3 obs
● 2026-02-19 09:35:28
● 2026-07-13 10:05:10
●MXmx3.ispservices.us2026-02-19 → 2026-07-13 · 3 obs
● 2026-02-19 09:35:28
● 2026-07-13 10:05:10
●MXmx4.ispservices.us2026-02-19 → 2026-07-13 · 3 obs
● 2026-02-19 09:35:28
● 2026-07-13 10:05:10
○A64.251.188.1062015-09-01 → 2018-01-03 · 4 obs
● 2018-01-03 03:52:50
○ 2018-07-17 07:10:58
○ 2026-07-13 10:05:10
●A64.251.188.922018-07-17 → 2026-07-13 · 3 obs
● 2018-07-17 07:10:58
● 2026-07-13 10:05:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sdmail.com | ns1.gwtc.net, ns2.gwtc.net | - |
✅ Authoritative Response
Server:64.251.173.3
NS records: ns1.gwtc.net, ns2.gwtc.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdmail.com (unsigned zone)
⏱️ Timing
Total: 608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.251.188.92 |
| NS | 2 | ns1.gwtc.net, ns2.gwtc.net |
| MX | 4 | mx2.ispservices.us (pri: 10), mx4.ispservices.us (pri: 10)... |
| TXT | 1 | v=spf1 include:ispservices.us -all |
| SOA | 1 | ns1.gwtc.net hostmaster.rapidnet.com |
Analysis
Hierarchy
sdmail.com is a parent domain of www.sdmail.com.
IP Addresses
sdmail.com has exactly one IP address — 64.251.188.92.
rvsd.com, enetis.net, crazyhorse.org plus two other host names have IP numbers in common with sdmail.com.
Name Servers
sdmail.com is served by two delegated name servers, ns1.gwtc.net and ns2.gwtc.net.
The name server configuration of sdmail.com is shared with other domains, for instance 221.71.208.in-addr.arpa, valleytelco.coop, e-filtering.net and two others.
sdmail.com at least partially shares name servers with other domains, including 187.251.64.in-addr.arpa, 184.251.64.in-addr.arpa, goldenwest.tv and 185.251.64.in-addr.arpa.
These name servers are frequently paired with the name servers nms4.gwtc.net and nms5.gwtc.net.
Each of the two host names carries two IP addresses: ns1.gwtc.net points to 64.251.173.3 and 2606:5700:f:1181::2, and ns2.gwtc.net points to 64.251.160.3 and 2606:5700:f:1182::2.
Mail Servers
sdmail.com has four mail servers: mx1.ispservices.us, mx2.ispservices.us, mx3.ispservices.us and mx4.ispservices.us.
At least some of the mail servers used by sdmail.com are shared with other domains: grantcountylibrary.com, apcmanagement.com, lampert-inc.com and two others among them.
Four host names, each with one IP address: mx1.ispservices.us has 64.251.188.73, mx2.ispservices.us has 64.251.188.186, mx3.ispservices.us has 64.251.188.187 and mx4.ispservices.us has 64.251.188.189.