firstharbor.com - dns.ninja
firstharbor.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=1786421404 | ||||||
Subdomains
mail.firstharbor.com |
Same first word
firstharbor.com |
DNS History
19 records (8 active, 11 former)
○NScloud1.tannercreative.com2015-08-02 → 2016-03-10 · 5 obs
● 2015-08-02 15:29:36
● 2016-03-10 15:29:34
○ 2016-11-28 21:58:24
○ 2026-08-11 04:11:58
○NSdns.stabletransit.com2016-11-28 → 2016-11-28 · 4 obs
● 2016-11-28 21:58:24
○ 2017-10-05 09:14:28
○ 2026-08-11 04:11:58
○NSdns1.stabletransit.com2017-10-05 → 2017-10-05 · 4 obs
● 2017-10-05 09:14:28
○ 2026-02-26 23:36:38
○ 2026-08-11 04:11:58
●NSha1.markmonitor.zone2026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
●NSha2.markmonitor.zone2026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
●NSha3.markmonitor.zone2026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
●NSha4.markmonitor.zone2026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
○NSns1.tannercreative.com2007-10-29 → 2017-10-05 · 4 obs
● 2017-10-05 09:14:28
○ 2026-02-26 23:36:38
○ 2026-08-11 04:11:58
○NSns2.tannercreative.com2007-10-29 → 2017-10-05 · 4 obs
● 2017-10-05 09:14:28
○ 2026-02-26 23:36:38
○ 2026-08-11 04:11:58
○MXfirstharbor-com.mail.protection.outlook.com2017-10-05 → 2017-10-05 · 4 obs
● 2017-10-05 09:14:28
○ 2026-02-26 23:36:38
○ 2026-08-11 04:11:58
○MXmail.firstharbor.com2007-10-29 → 2007-10-29 · 3 obs
○ 2015-08-02 15:29:36
○ 2026-08-11 04:11:58
○MXmx1.smtp.exch024.serverdata.net2015-08-02 → 2016-11-28 · 5 obs
● 2015-08-02 15:29:36
● 2016-11-28 21:58:24
○ 2017-10-05 09:14:28
○ 2026-08-11 04:11:58
○MXmx2.smtp.exch024.serverdata.net2015-08-02 → 2016-11-28 · 5 obs
● 2015-08-02 15:29:36
● 2016-11-28 21:58:24
○ 2017-10-05 09:14:28
○ 2026-08-11 04:11:58
●MXus-smtp-inbound-1.mimecast.com2026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
●MXus-smtp-inbound-2.mimecast.com2026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
○A208.70.160.102007-10-29 → 2007-10-29 · 3 obs
○ 2015-08-02 15:29:36
○ 2026-08-11 04:11:58
●A45.60.241.682026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
●A45.60.247.682026-02-26 → 2026-08-11 · 3 obs
● 2026-02-26 23:36:38
● 2026-08-11 04:11:58
○A98.129.229.2012015-08-02 → 2017-10-05 · 5 obs
● 2015-08-02 15:29:36
● 2017-10-05 09:14:28
○ 2026-02-26 23:36:38
○ 2026-08-11 04:11:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net... | - |
| firstharbor.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 firstharbor.com (unsigned zone)
⏱️ Timing
Total: 750ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 45.60.241.68, 45.60.247.68 |
| NS | 4 | ha1.markmonitor.zone, ha2.markmonitor.zone... |
| MX | 2 | us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10) |
| TXT | 6 | MS=ms87907390, _mrn3eb6u1l42ehnkd61vpnojzmwtax6... |
| SOA | 1 | ha1.markmonitor.zone hostmaster.markmoni |
Analysis
Hierarchy
mail.firstharbor.com is delegated beneath firstharbor.com.
IP Addresses
firstharbor.com has two IP addresses: 45.60.241.68 and 45.60.247.68
Two other host names, along with fiorellainsurance.com, craftinsurance.com and alscottinc.com, also share IP numbers with firstharbor.com.
Name Servers
The NS records for firstharbor.com point to four name servers: ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone.
There is at least partial name server overlap between firstharbor.com and other domains — nuwiq.hr, audemars-piguet-watch.com, vanish.es and two more among them.
These name servers regularly appear alongside ns1.markmonitor.com, ns3.markmonitor.com, ns2.markmonitor.com and 4 other name servers in NS record sets.
All four hostnames — ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone — resolve to two IP numbers apiece: ha1.markmonitor.zone to 192.174.68.5 and 2001:67c:1bc::5; ha2.markmonitor.zone to 162.219.54.170 and 2620:10a:80eb::6b; ha3.markmonitor.zone to 176.97.158.5 and 2001:67c:10b8::5; ha4.markmonitor.zone to 162.219.55.170 and 2620:10a:80ec::6b.
Mail Servers
firstharbor.com is served by two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Among the domains sharing a mail server setup with firstharbor.com are electronicsweb.com, lwcc.com, vthm.com and two others.
There is at least a partial MX overlap between firstharbor.com and other domains, including palmdesertart.org, ohaconsultant.com, banksouthcentral.com and two others.
DNS names with 6 IP addresses:
us-smtp-inbound-1.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.
us-smtp-inbound-2.mimecast.com carries IP addresses 170.10.128.141, 170.10.128.221 and 170.10.128.242, with 3 other addresses beyond those.
These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.141 IP addresses.
These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.221 IP addresses.
These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.128.242 IP addresses.
These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.141 IP addresses.
These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.221 IP addresses.
These two host names — us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com — each point to 170.10.132.242 IP addresses.