sqlserverknowledge.com - robtex.com
sqlserverknowledge.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 71.203.172.242🇺🇸 COMCAST-IBONE71.192.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | c-71-203-172-242.hsd1.fl.comcast.net | ||||||
| NS | ns1.afraid.org ⭐ | ||||||
| A | 23.227.184.22🇺🇸 HIVELOCITY-123.227.184.0/24 DAL1 IPv4 Allocation | ||||||
| PTR | escapefromreailty.com | ||||||
| NS | ns2.afraid.org | ||||||
| A | 2001:1850:1:5:800::6b🇺🇸 ASN-CQ-GIGENET2001:1850::/32 GIGENET IPV6 ROUTE | ||||||
| PTR | ns2.afraid.org | ||||||
| A | 69.65.50.223🇺🇸 ASN-CQ-GIGENET69.65.0.0/18 GigENET Netblock | ||||||
| PTR | ns2.afraid.org | ||||||
| NS | ns3.afraid.org | ||||||
| A | 67.220.81.190🇺🇸 OBJX67.220.81.0/24 objx.net, LLC | ||||||
| NS | ns4.afraid.org | ||||||
| A | 2610:150:bddb:d271::2🇺🇸 SHARKTECH-12610:150:8000::/34 Sharktech Inc. | ||||||
| PTR | ns4.afraid.org | ||||||
| A | 70.39.97.253🇺🇸 SHARKTECH-170.39.97.0/24 PNAP-CHG FDCS Route | ||||||
| PTR | ns4.afraid.org | ||||||
| MX | mail.sqlserverknowledge.com ⭐ | ||||||
| SOA | ns1.afraid.orgdnsadmin@afraid.org serial=2611070002 | ||||||
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=1794441981 | ||||||
Same first word
sqlserverknowledge.com |
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DNS History
6 records (6 active, 0 former)
●NSns1.afraid.org2015-04-13 → 2026-11-12 · 2 obs
● 2026-11-12 00:37:54
●NSns2.afraid.org2015-04-13 → 2026-11-12 · 2 obs
● 2026-11-12 00:37:54
●NSns3.afraid.org2015-04-13 → 2026-11-12 · 2 obs
● 2026-11-12 00:37:54
●NSns4.afraid.org2015-04-13 → 2026-11-12 · 2 obs
● 2026-11-12 00:37:54
●MXmail.sqlserverknowledge.com2015-04-13 → 2026-11-12 · 7 obs
● 2017-04-08 07:51:20
○ 2026-09-05 22:36:00
● 2026-09-08 10:37:36
○ 2026-10-29 20:10:56
● 2026-11-12 00:25:48
● 2026-11-12 00:37:54
●A71.203.172.2422015-04-13 → 2026-11-12 · 7 obs
● 2017-04-08 07:51:20
○ 2026-09-05 22:36:00
● 2026-09-08 10:37:36
○ 2026-10-29 20:10:56
● 2026-11-12 00:25:48
● 2026-11-12 00:37:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sqlserverknowledge.com | ns1.afraid.org, ns2.afraid.org, ns3.afraid.org, ns4.afraid.org | - |
✅ Authoritative Response
Server:67.220.81.190
NS records: ns1.afraid.org, ns2.afraid.org, ns3.afraid.org, ns4.afraid.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sqlserverknowledge.com (unsigned zone)
⏱️ Timing
Total: 3479ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 71.203.172.242 |
| NS | 4 | ns1.afraid.org, ns2.afraid.org... |
| MX | 1 | mail.sqlserverknowledge.com (pri: 10) |
| SOA | 1 | ns1.afraid.org dnsadmin.afraid.org |
Analysis
IP Addresses
sqlserverknowledge.com resolves to just one IP address, 71.203.172.242.
Two other host names, along with technologybriefingcenter.com, sqlserverconference.com and performancemanagementcentral.com, also share IP numbers with sqlserverknowledge.com.
Name Servers
The NS records for sqlserverknowledge.com point to four name servers: ns1.afraid.org, ns2.afraid.org, ns3.afraid.org and ns4.afraid.org.
The name servers of sqlserverknowledge.com overlap at least partially with those of other domains — among them wakeforesttech.com, cuasicreativo.com, blackfalds.com and two more.
These name servers commonly appear in combination with the name servers ns5.afraid.org.
Host names that have two IP addresses:
ns2.afraid.org resolves to 69.65.50.223 and 2001:1850:1:5:800::6b.
ns4.afraid.org resolves to 70.39.97.253 and 2610:150:bddb:d271::2.
Host names that point to one IP address:
ns1.afraid.org resolves to 23.227.184.22.
ns3.afraid.org resolves to 67.220.81.190.
Mail Servers
The sole mail server for sqlserverknowledge.com is mail.sqlserverknowledge.com.