difficultblock.com - robtex.com
difficultblock.com
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=1778445126 | ||||||
Same first word
difficultblock.com |
DNS History
9 records (9 active, 0 former)
●NSpdns73.ultradns.biz2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●NSpdns73.ultradns.co.uk2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●NSpdns73.ultradns.com2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●NSpdns73.ultradns.info2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●NSpdns73.ultradns.net2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●NSpdns73.ultradns.org2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●MXmail2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●A2607:fbe0:1:42::1d2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
●A74.117.179.112026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 20:43:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net... | - |
| difficultblock.com | pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz... | 2 records |
✅ Authoritative Response
Server:156.154.65.73
NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz, pdns73.ultradns.info, pdns73.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for difficultblock.com (unsigned zone)
⏱️ Timing
Total: 1028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.117.179.11 |
| AAAA | 1 | 2607:fbe0:1:42::1d |
| NS | 6 | pdns73.ultradns.co.uk, pdns73.ultradns.biz... |
| MX | 1 | mail (pri: 10) |
| SOA | 1 | pdns73.ultradns.com pdns73.ultradns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns73.ultradns.com, pdns73.ultradns.com)
Analysis
IP Addresses
difficultblock.com points to two IP numbers: 2607:fbe0:1:42::1d and 74.117.179.11.
Other host names such as chubbyfailure.com, obese-pin.com, nutty-break.com, silent-mixture.com and lame-if.com share IP numbers with difficultblock.com.
Name Servers
difficultblock.com is delegated to six name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.info, pdns73.ultradns.net, pdns73.ultradns.org and pdns73.ultradns.co.uk.
At least part of the name servers for difficultblock.com are shared with other domains, for instance webapi-services.net, goodnatureddelay.pro, jjbo.net, cosmopolitanlive.org and unwieldy-goal.com.
Host pdns73.ultradns.biz points to: 2610:a1:1015::6d and 156.154.66.73.
Host pdns73.ultradns.com points to: 2001:502:f3ff::6d and 156.154.64.73.
Host pdns73.ultradns.info points to: 2610:a1:1016::6d and 156.154.68.73.
Host pdns73.ultradns.net points to: 2610:a1:1014::6d and 156.154.65.73.
Host pdns73.ultradns.org points to: 2001:502:4612::6d and 156.154.67.73.
Host pdns73.ultradns.co.uk points to: 2610:a1:1017::6d and 156.154.69.73.
Mail Servers
The mail server for difficultblock.com is mail.
difficultblock.com uses the same mail server setup as other domains, for instance bannerflex.com, sounday.it, lawnworksky.com, mundane-sport.pro and cloudyreach.pro.
difficultblock.com shares at least some mail servers with other domains, for example sacheldevelopment.com, blc-ai.com, victorylab.co.za, notodofilmfest.com and sman13depok.sch.id.
these mail servers are frequently used alongside the mail servers smtp.