dfconcepts.com - robtex.com
dfconcepts.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:3c06::2000:3dff:fead:8ca8🇺🇸 AKAMAI-LINODE-AP2600:3c06::/32 Akamai Technologies | ||||||
| PTR | box.johnsweb.com | ||||||
| A | 172.232.11.18🇺🇸 AKAMAI-LINODE-AP172.232.0.0/19 Akamai Technologies | ||||||
| NS | ns1.box.johnsweb.com ⭐ | ||||||
| A | 2600:3c06::2000:3dff:fead:8ca8🇺🇸 AKAMAI-LINODE-AP2600:3c06::/32 Akamai Technologies | ||||||
| PTR | box.johnsweb.com | ||||||
| A | 172.232.11.18🇺🇸 AKAMAI-LINODE-AP172.232.0.0/19 Akamai Technologies | ||||||
| PTR | box.johnsweb.com | ||||||
| NS | ns2.box.johnsweb.com | ||||||
| A | 2600:3c06::2000:3dff:fead:8ca8🇺🇸 AKAMAI-LINODE-AP2600:3c06::/32 Akamai Technologies | ||||||
| PTR | box.johnsweb.com | ||||||
| A | 172.232.11.18🇺🇸 AKAMAI-LINODE-AP172.232.0.0/19 Akamai Technologies | ||||||
| PTR | box.johnsweb.com | ||||||
| MX | box.johnsweb.com ⭐ | ||||||
| A | 2600:3c06::2000:3dff:fead:8ca8🇺🇸 AKAMAI-LINODE-AP2600:3c06::/32 Akamai Technologies | ||||||
| PTR | box.johnsweb.com | ||||||
| A | 172.232.11.18🇺🇸 AKAMAI-LINODE-AP172.232.0.0/19 Akamai Technologies | ||||||
| PTR | box.johnsweb.com | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns1.box.johnsweb.comhostmaster@box.johnsweb.com 2026-03-12 #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=1774896642 | ||||||
Same first word
dfconcepts.com |
DNS History
9 records (5 active, 4 former)
●NSns1.box.johnsweb.com2026-03-06 → 2026-03-30 · 3 obs
● 2026-03-06 04:39:40
● 2026-03-30 18:54:52
●NSns2.box.johnsweb.com2026-03-06 → 2026-03-30 · 3 obs
● 2026-03-06 04:39:40
● 2026-03-30 18:54:52
○NSns29.worldnic.com2015-06-26 → 2019-04-22 · 4 obs
● 2019-04-22 17:24:16
○ 2026-03-06 04:39:40
○ 2026-03-30 18:54:52
○NSns30.worldnic.com2015-06-26 → 2019-04-22 · 4 obs
● 2019-04-22 17:24:16
○ 2026-03-06 04:39:40
○ 2026-03-30 18:54:52
●MXbox.johnsweb.com2026-03-06 → 2026-03-30 · 3 obs
● 2026-03-06 04:39:40
● 2026-03-30 18:54:52
○MXmail.dfconcepts.com2015-06-26 → 2019-04-22 · 4 obs
● 2019-04-22 17:24:16
○ 2026-03-06 04:39:40
○ 2026-03-30 18:54:52
●A172.232.11.182026-03-06 → 2026-03-30 · 3 obs
● 2026-03-06 04:39:40
● 2026-03-30 18:54:52
●A2600:3c06::2000:3dff:fead:8ca82026-03-06 → 2026-03-30 · 3 obs
● 2026-03-06 04:39:40
● 2026-03-30 18:54:52
○A72.14.190.1532015-06-26 → 2019-04-22 · 4 obs
● 2019-04-22 17:24:16
○ 2026-03-06 04:39:40
○ 2026-03-30 18:54:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net... | - |
| dfconcepts.com | ns1.box.johnsweb.com, ns2.box.johnsweb.com | 2 records |
✅ Authoritative Response
Server:172.232.11.18
NS records: ns1.box.johnsweb.com, ns2.box.johnsweb.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dfconcepts.com (unsigned zone)
⏱️ Timing
Total: 142ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.232.11.18 |
| AAAA | 1 | 2600:3c06::2000:3dff:fead:8ca8 |
| NS | 2 | ns1.box.johnsweb.com, ns2.box.johnsweb.com |
| MX | 1 | box.johnsweb.com (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.box.johnsweb.com hostmaster.box.john |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.box.johnsweb.com, ns2.box.johnsweb.com)
Analysis
IP Addresses
dfconcepts.com points to two IP numbers: 2600:3c06::2000:3dff:fead:8ca8 and 172.232.11.18.
Other host names, for instance ns1.box.johnsweb.com, box.johnsweb.com, ns2.box.johnsweb.com and johnsweb.com share IP numbers with dfconcepts.com.
Name Servers
Delegation for dfconcepts.com rests with two name servers, ns1.box.johnsweb.com and ns2.box.johnsweb.com.
dfconcepts.com shares the same name server setup as other domains, for example johnsweb.com.
Host names with two IP numbers:
ns1.box.johnsweb.com points to 2600:3c06::2000:3dff:fead:8ca8 and 172.232.11.18.
ns2.box.johnsweb.com points to 2600:3c06::2000:3dff:fead:8ca8 and 172.232.11.18.
Host names pointing to 2600:3c06::2000:3dff:fead:8ca8: ns1.box.johnsweb.com, ns2.box.johnsweb.com.
Host names pointing to 172.232.11.18: ns1.box.johnsweb.com, ns2.box.johnsweb.com.
Mail Servers
dfconcepts.com is handled by a single mail server, box.johnsweb.com.
dfconcepts.com uses the same mail server setup as other domains, for instance johnsweb.com and box.johnsweb.com.
box.johnsweb.com resolves to two IP numbers: 2600:3c06::2000:3dff:fead:8ca8 and 172.232.11.18.