duocheck.com - robtex.com
duocheck.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.57.250.138🇬🇧 AS6717212.57.224.0/19 Internet Central Limited | ||||||
| PTR | wh2.goodwingroup.com | ||||||
| NS | pdns13.domaincontrol.com ⭐ | ||||||
| A | 97.74.110.56🇺🇸 GODADDY-DNS97.74.110.0/23 | ||||||
| PTR | pdns13.domaincontrol.com | ||||||
| NS | pdns14.domaincontrol.com | ||||||
| A | 173.201.78.56🇺🇸 GODADDY-DNS173.201.78.0/23 | ||||||
| PTR | pdns14.domaincontrol.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | pdns13.domaincontrol.comdns@jomax.net 2020-04-14 #7 | ||||||
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=1774409337 | ||||||
Same first word
DNS History
13 records (3 active, 10 former)
○NSgenesis.netcentral.co.uk2007-11-19 → 2007-11-19 · 3 obs
○ 2015-07-20 06:12:56
○ 2026-03-25 03:37:30
○NSns0.netcentral.co.uk2015-07-20 → 2017-02-18 · 5 obs
● 2015-07-20 06:12:56
● 2017-02-18 02:42:00
○ 2020-02-22 18:52:48
○ 2026-03-25 03:37:30
○NSns1.ic.net.uk2020-02-22 → 2020-02-22 · 4 obs
● 2020-02-22 18:52:48
○ 2026-03-15 02:28:26
○ 2026-03-25 03:37:30
○NSns1.netcentral.co.uk2015-07-20 → 2017-02-18 · 5 obs
● 2015-07-20 06:12:56
● 2017-02-18 02:42:00
○ 2020-02-22 18:52:48
○ 2026-03-25 03:37:30
○NSns2.ic.net.uk2020-02-22 → 2020-02-22 · 4 obs
● 2020-02-22 18:52:48
○ 2026-03-15 02:28:26
○ 2026-03-25 03:37:30
●NSpdns13.domaincontrol.com2026-03-15 → 2026-03-25 · 3 obs
● 2026-03-15 02:28:26
● 2026-03-25 03:37:30
●NSpdns14.domaincontrol.com2026-03-15 → 2026-03-25 · 3 obs
● 2026-03-15 02:28:26
● 2026-03-25 03:37:30
○NSzenith.netcentral.co.uk2007-11-19 → 2007-11-19 · 3 obs
○ 2015-07-20 06:12:56
○ 2026-03-25 03:37:30
○MXmail.netcentral.co.uk2007-11-19 → 2020-02-22 · 4 obs
● 2020-02-22 18:52:48
○ 2026-03-15 02:28:26
○ 2026-03-25 03:37:30
○MXmail2.netcentral.co.uk2007-11-19 → 2020-02-22 · 4 obs
● 2020-02-22 18:52:48
○ 2026-03-15 02:28:26
○ 2026-03-25 03:37:30
○A195.62.194.52007-11-19 → 2007-11-19 · 3 obs
○ 2015-07-20 06:12:56
○ 2026-03-25 03:37:30
○A212.57.250.1362015-07-20 → 2020-02-22 · 5 obs
● 2015-07-20 06:12:56
● 2020-02-22 18:52:48
○ 2026-03-15 02:28:26
○ 2026-03-25 03:37:30
●A212.57.250.1382026-03-15 → 2026-03-25 · 3 obs
● 2026-03-15 02:28:26
● 2026-03-25 03:37:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| duocheck.com | pdns13.domaincontrol.com, pdns14.domaincontrol.com | 2 records |
✅ Authoritative Response
Server:97.74.110.56
NS records: pdns13.domaincontrol.com, pdns14.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duocheck.com (unsigned zone)
⏱️ Timing
Total: 237ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.57.250.138 |
| NS | 2 | pdns13.domaincontrol.com, pdns14.domaincontrol.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | pdns13.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns13.domaincontrol.com, pdns14.domaincontrol.com)
Analysis
IP Addresses
duocheck.com points to an IP address: 212.57.250.138.
other host names include goodwinsteel.info, www.cryogenictest.com, checkvalves.co.uk, swingcheckvalve.com and www.goodwinlatina.com; they share IP numbers with duocheck.com.
Name Servers
Two name servers pdns13.domaincontrol.com and pdns14.domaincontrol.com handle the delegation for duocheck.com.
duocheck.com shares the same name server setup as other domains, for instance optimiststuff.com, iwantatour.com, 778794.cc, gelmint.com and dewittoperahouse.com.
Host names with one IP:
pdns13.domaincontrol.com points to: 97.74.110.56
pdns14.domaincontrol.com points to: 173.201.78.56