firstmd.com - dns.ninja
firstmd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | udns1.cscudns.com ⭐ | ||||||
| A | 2001:502:4612::20e🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | ns1.firstinterstate.bank | ||||||
| PTR | udns1.cscudns.com | ||||||
| A | 204.74.66.14🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar | ||||||
| PTR | ns1.firstinterstate.bank | ||||||
| PTR | udns1.cscudns.com | ||||||
| NS | udns2.cscudns.org | ||||||
| A | 2610:a1:3214::53🇺🇸 AS3991692610:a1:3214::/48 | ||||||
| PTR | ns1.firstinterstate.bank | ||||||
| PTR | udns2.cscudns.org | ||||||
| A | 204.74.104.20🇺🇸 AS399169204.74.104.0/24 UltraDNS | ||||||
| PTR | ns1.firstinterstate.bank | ||||||
| PTR | udns2.cscudns.org | ||||||
| MX | custmx.cscdns.net ⭐ | ||||||
| A | 198.58.121.58🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies | ||||||
| PTR | 198-58-121-58.ip.linodeusercontent.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | udns1.cscudns.comhostmaster@cscdns.net 2019-11-09 #15 | ||||||
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=1785455412 | ||||||
Subdomains
www.firstmd.com |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSdns1.cscdns.net2017-04-19 → 2017-10-10 · 4 obs
● 2017-10-10 20:27:00
○ 2026-02-22 18:25:02
○ 2026-07-31 00:11:54
○NSdns2.cscdns.net2017-04-19 → 2017-10-10 · 4 obs
● 2017-10-10 20:27:00
○ 2026-02-22 18:25:02
○ 2026-07-31 00:11:54
●NSudns1.cscudns.com2026-02-22 → 2026-07-31 · 3 obs
● 2026-02-22 18:25:02
● 2026-07-31 00:11:54
●NSudns2.cscudns.org2026-02-22 → 2026-07-31 · 3 obs
● 2026-02-22 18:25:02
● 2026-07-31 00:11:54
●MXcustmx.cscdns.net2017-04-19 → 2026-07-31 · 2 obs
● 2026-07-31 00:11:54
○A165.160.13.202017-04-19 → 2017-10-10 · 4 obs
● 2017-10-10 20:27:00
○ 2026-02-22 18:25:02
○ 2026-07-31 00:11:54
○A165.160.15.202017-04-19 → 2017-10-10 · 4 obs
● 2017-10-10 20:27:00
○ 2026-02-22 18:25:02
○ 2026-07-31 00:11:54
●A204.74.99.1002026-02-22 → 2026-07-31 · 3 obs
● 2026-02-22 18:25:02
● 2026-07-31 00:11:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net... | - |
| firstmd.com | udns1.cscudns.com, udns2.cscudns.org | 2 records |
✅ Authoritative Response
Server:204.74.104.20
NS records: udns1.cscudns.com, udns2.cscudns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstmd.com (unsigned zone)
⏱️ Timing
Total: 1501ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 2 | udns1.cscudns.com, udns2.cscudns.org |
| MX | 1 | custmx.cscdns.net (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | udns1.cscudns.com hostmaster.cscdns.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (udns1.cscudns.com, udns1.cscudns.com)
Analysis
Hierarchy
The domain www.firstmd.com falls under the parent firstmd.com.
IP Addresses
firstmd.com resolves to just one IP address, 204.74.99.100.
Two other host names, along with expediaq.com, backtocampus.redbull.com and peterburke.neustar, also share IP numbers with firstmd.com.
Name Servers
firstmd.com is served by two delegated name servers, udns1.cscudns.com and udns2.cscudns.org.
firstmd.com shares its NS records with other domains, for example aviaris.org, wilmingtontrusts.com, lufthansa-technik.org and two others.
At least some of firstmd.com's name servers are shared with other domains, for example domainnetwork.com, saas.corptax.com, indomco.com and two more.
These name servers tend to be used in conjunction with the name servers udns1.cscdns.net.
Each of the two host names carries two IP addresses: udns1.cscudns.com points to 204.74.66.14 and 2001:502:4612::20e, and udns2.cscudns.org points to 204.74.104.20 and 2610:a1:3214::53.
Mail Servers
The sole mail server for firstmd.com is custmx.cscdns.net.
Among the domains sharing a mail server setup with firstmd.com are euro-pro-recall.us, ninjaxlgrill.com, fulfillmentsystemsinternational.com and two others.
There is one IP number for custmx.cscdns.net: 198.58.121.58.