sdmail.com - robtex.com
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=1778305241 | ||||||
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
○ 2026-05-09 05:50:38
●MXmx1.ispservices.us2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 09:35:28
● 2026-05-09 05:50:38
●MXmx2.ispservices.us2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 09:35:28
● 2026-05-09 05:50:38
●MXmx3.ispservices.us2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 09:35:28
● 2026-05-09 05:50:38
●MXmx4.ispservices.us2026-02-19 → 2026-05-09 · 3 obs
● 2026-02-19 09:35:28
● 2026-05-09 05:50:38
○A64.251.188.1062015-09-01 → 2018-01-03 · 4 obs
● 2018-01-03 03:52:50
○ 2018-07-17 07:10:58
○ 2026-05-09 05:50:38
●A64.251.188.922018-07-17 → 2026-05-09 · 3 obs
● 2018-07-17 07:10:58
● 2026-05-09 05:50:38
🔍 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: 3778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.251.188.92 |
| NS | 2 | ns1.gwtc.net, ns2.gwtc.net |
| MX | 4 | mx3.ispservices.us (pri: 10), mx2.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 the parent of www.sdmail.com.
IP Addresses
sdmail.com resolves to one IP number: 64.251.188.92.
other host names including rvsd.com, enetis.net, crazyhorse.org, sdplains.com and santel.net share IP numbers with sdmail.com.
Name Servers
sdmail.com is delegated to two name servers ns1.gwtc.net and ns2.gwtc.net.
sdmail.com shares the same name server setup as other domains, for instance valleytelco.coop, e-filtering.net, 241.77.69.in-addr.arpa, 238.77.69.in-addr.arpa and 88.213.216.in-addr.arpa.
sdmail.com at least partially shares name servers with other domains, for instance 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 commonly used alongside nms4.gwtc.net and nms5.gwtc.net.
Host names with two IP numbers:
The host name ns1.gwtc.net points to 2606:5700:f:1181::2 and 64.251.173.3; the host name ns2.gwtc.net points to 2606:5700:f:1182::2 and 64.251.160.3.
Mail Servers
Four mail servers handle sdmail.com: mx1.ispservices.us, mx2.ispservices.us, mx3.ispservices.us and mx4.ispservices.us.
sdmail.com shares some mail servers with other domains, at least partially, for instance grantcountylibrary.com, apcmanagement.com, lampert-inc.com, triotel.net and westplainsengineering.com.
Host names with one IP number: mx1.ispservices.us points to 64.251.188.73; mx2.ispservices.us points to 64.251.188.186; mx3.ispservices.us points to 64.251.188.187; mx4.ispservices.us points to 64.251.188.189.