www.sdmail.com - robtex.com
www.sdmail.com
| CNAME | 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 | ||||||
sdmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.251.188.92🇺🇸 GWTC64.251.188.0/22 | ||||||
| NS | ns1.gwtc.net ⭐ | ||||||
| NS | ns2.gwtc.net | ||||||
| MX | mx1.ispservices.us ⭐ | ||||||
| MX | mx2.ispservices.us ⭐ | ||||||
| MX | mx3.ispservices.us ⭐ | ||||||
| MX | mx4.ispservices.us ⭐ | ||||||
| TXT | v=spf1 include:ispservices.us -all | ||||||
| SOA | ns1.gwtc.nethostmaster@rapidnet.com 2022-11-15 #1 | ||||||
Same first word
Similar names
DNS History
5 records (1 active, 4 former)
○NSns1.gwtc.net2015-11-01 → 2017-02-10 · 4 obs
● 2017-02-10 10:20:50
○ 2026-05-09 19:51:48
○ 2026-05-09 19:51:52
○NSns2.gwtc.net2015-11-01 → 2017-02-10 · 4 obs
● 2017-02-10 10:20:50
○ 2026-05-09 19:51:48
○ 2026-05-09 19:51:52
○MXmail-virtual.gwtc.net2015-11-01 → 2017-02-10 · 4 obs
● 2017-02-10 10:20:50
○ 2026-05-09 19:51:48
○ 2026-05-09 19:51:52
○A64.251.188.1062015-06-25 → 2017-02-10 · 4 obs
● 2017-02-10 10:20:50
○ 2026-05-09 19:51:48
○ 2026-05-09 19:51:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, k.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: 739ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | sdmail.com |
Analysis
IP Addresses
www.sdmail.com resolves to one IP number: 64.251.188.92.
Other host names, for instance amicksound.com, gastrainingspecialties.com, winnerlivestock.com, kotaradio.rapidnet.com and ezlink.com share IP numbers with www.sdmail.com.
Name Servers
www.sdmail.com's delegation uses two name servers: ns1.gwtc.net and ns2.gwtc.net.
www.sdmail.com uses the same name server setup as other domains, such as 181.251.64.in-addr.arpa, 79.213.216.in-addr.arpa, rapidcity.net, crstta.com and lws.k12.sd.us.
www.sdmail.com at least partially shares name servers with other domains, including rjjnet.com, 186.251.64.in-addr.arpa, pineshadows.org, wigginstel.com and 86.69.68.in-addr.arpa.
These name servers are often used with ns1.ispservices.us and ns2.ispservices.us.
Host names with two IPs:
ns1.gwtc.net points to 2606:5700:f:1181::2 and 64.251.173.3
ns2.gwtc.net points to 2606:5700:f:1182::2 and 64.251.160.3
Mail Servers
www.sdmail.com is handled by four mail servers: mx1.ispservices.us, mx2.ispservices.us, mx3.ispservices.us and mx4.ispservices.us.
www.sdmail.com shares at least some mail servers with other domains, for example sdplains.com, santel.net, huntroosters.com, nceci.com and sbtc.net.
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.