contactdo.com - robtex.com
contactdo.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=1785075002 | ||||||
Same first word
contactdo.com |
Similar names
DNS History
14 records (5 active, 9 former)
●NSha1.markmonitor.zone2018-01-11 → 2026-07-26 · 3 obs
● 2018-01-11 08:49:20
● 2026-07-26 14:28:42
●NSha2.markmonitor.zone2018-01-11 → 2026-07-26 · 3 obs
● 2018-01-11 08:49:20
● 2026-07-26 14:28:42
●NSha3.markmonitor.zone2018-01-11 → 2026-07-26 · 3 obs
● 2018-01-11 08:49:20
● 2026-07-26 14:28:42
●NSha4.markmonitor.zone2018-01-11 → 2026-07-26 · 3 obs
● 2018-01-11 08:49:20
● 2026-07-26 14:28:42
○NSpdns1.ultradns.net2015-06-26 → 2017-01-15 · 4 obs
● 2017-01-15 04:14:48
○ 2018-01-11 08:49:20
○ 2026-07-26 14:28:42
○NSpdns2.ultradns.net2015-06-26 → 2017-01-15 · 4 obs
● 2017-01-15 04:14:48
○ 2018-01-11 08:49:20
○ 2026-07-26 14:28:42
○NSpdns3.ultradns.org2015-06-26 → 2017-01-15 · 4 obs
● 2017-01-15 04:14:48
○ 2018-01-11 08:49:20
○ 2026-07-26 14:28:42
○NSpdns4.ultradns.org2015-06-26 → 2017-01-15 · 4 obs
● 2017-01-15 04:14:48
○ 2018-01-11 08:49:20
○ 2026-07-26 14:28:42
○NSpdns5.ultradns.info2015-06-26 → 2017-01-15 · 4 obs
● 2017-01-15 04:14:48
○ 2018-01-11 08:49:20
○ 2026-07-26 14:28:42
○NSpdns6.ultradns.co.uk2015-06-26 → 2017-01-15 · 4 obs
● 2017-01-15 04:14:48
○ 2018-01-11 08:49:20
○ 2026-07-26 14:28:42
○A13.56.39.912018-01-11 → 2018-01-11 · 4 obs
● 2018-01-11 08:49:20
○ 2026-06-22 15:50:34
○ 2026-07-26 14:28:42
○A204.74.99.1012015-11-11 → 2017-01-15 · 4 obs
● 2017-01-15 04:14:48
○ 2018-01-11 08:49:20
○ 2026-07-26 14:28:42
●A3.33.139.322026-06-22 → 2026-07-26 · 3 obs
● 2026-06-22 15:50:34
● 2026-07-26 14:28:42
○A52.8.195.02018-01-11 → 2018-01-11 · 4 obs
● 2018-01-11 08:49:20
○ 2026-06-22 15:50:34
○ 2026-07-26 14:28:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| contactdo.com | ha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone | - |
✅ Authoritative Response
Server:162.219.55.170
NS records: ha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contactdo.com (unsigned zone)
⏱️ Timing
Total: 442ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.33.139.32 |
| NS | 4 | ha1.markmonitor.zone, ha2.markmonitor.zone... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ha1.markmonitor.zone hostmaster.markmoni |
Analysis
IP Addresses
contactdo.com has exactly one IP address — 3.33.139.32.
reddenbacher.com, ted-bakerdeutschland.de, nortonbenefitsenroll.com plus two other host names have IP numbers in common with contactdo.com.
Name Servers
Four name servers handle the delegation for contactdo.com: ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone.
contactdo.com partially shares its NS delegation with several other domains, including albumin.com.br, onjwebinar6.com, omnipaps.fr and two others.
In DNS configurations, these name servers often share authority with ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com and 4 other name servers.
ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone each carry two IP addresses. ha1.markmonitor.zone has 192.174.68.5 and 2001:67c:1bc::5; ha2.markmonitor.zone has 162.219.54.170 and 2620:10a:80eb::6b; ha3.markmonitor.zone has 176.97.158.5 and 2001:67c:10b8::5; ha4.markmonitor.zone has 162.219.55.170 and 2620:10a:80ec::6b.