821diamond.com - robtex.com
821diamond.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.252.146.31🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s481.sureserver.com | ||||||
| NS | ns1.s481.sureserver.com ⭐ | ||||||
| A | 192.252.146.31🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s481.sureserver.com | ||||||
| NS | ns2.s481.sureserver.com | ||||||
| A | 192.252.147.31🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | ns2.s481.sureserver.com | ||||||
| MX | mail.821diamond.com ⭐ | ||||||
| A | 192.252.146.31🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s481.sureserver.com | ||||||
| TXT | v=spf1 a mx include:s481.smtp-spf.sureserver.com ~all | ||||||
| SOA | ns1.s481.sureserver.comhostmaster@821diamond.com serial=1774791128 | ||||||
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=1774790597 | ||||||
Subdomains
mail.821diamond.com |
Same first word
821diamond.com |
DNS History
5 records (4 active, 1 former)
●NSns1.s481.sureserver.com2016-12-17 → 2026-03-29 · 2 obs
● 2026-03-29 13:37:06
●NSns2.s481.sureserver.com2016-12-17 → 2026-03-29 · 2 obs
● 2026-03-29 13:37:06
●MXmail.821diamond.com2016-12-17 → 2026-03-29 · 2 obs
● 2026-03-29 13:37:06
●A192.252.146.312016-12-17 → 2026-03-29 · 2 obs
● 2026-03-29 13:37:06
○A192.252.148.1712026-03-29 → 2026-03-29 · 2 obs
○ 2026-03-29 13:37:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 821diamond.com | ns1.s481.sureserver.com, ns2.s481.sureserver.com | 2 records |
✅ Authoritative Response
Server:192.252.146.31
NS records: ns1.s481.sureserver.com, ns2.s481.sureserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 821diamond.com (unsigned zone)
⏱️ Timing
Total: 607ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.252.146.31 |
| NS | 2 | ns1.s481.sureserver.com, ns2.s481.sureserver.com |
| MX | 1 | mail.821diamond.com (pri: 0) |
| TXT | 1 | v=spf1 a mx include:s481.smtp-spf.surese |
| SOA | 1 | ns1.s481.sureserver.com hostmaster.821di |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.s481.sureserver.com, ns2.s481.sureserver.com)
Analysis
Hierarchy
The parent of mail.821diamond.com is 821diamond.com.
IP Addresses
821diamond.com points to a single IP: 192.252.146.31.
Other host names, for instance petro-tek.com, aurevoirsimone.com, mail.milwaukeeinstruments.com, mail.garvindentistry.com and postmaster.childproofers.com share IP numbers with 821diamond.com.
Name Servers
Two name servers ns1.s481.sureserver.com and ns2.s481.sureserver.com handle delegation for 821diamond.com.
821diamond.com uses the same name server setup as other domains, for example supermegamonkey.net, lukelong.com, saberpunk.net, offpisteskiatlas.com and doubledouble.com.hk.
821diamond.com partially shares name servers with other domains; examples include scottrhoadsdesign.com, amazeal.com, fvanderriet.com, noproblemmac.com and linkton.com.
Host names with one IP number: The host name ns1.s481.sureserver.com points to 192.252.146.31 and the host name ns2.s481.sureserver.com points to 192.252.147.31.
Mail Servers
821diamond.com is handled by a single mail server, mail.821diamond.com.
mail.821diamond.com points to a single IP: 192.252.146.31.