masterlung.com - robtex.com
masterlung.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.23.139.54🇺🇸 COLOCROSSING198.23.139.0/24 | ||||||
| NS | a7.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b7.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1784691696 | ||||||
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=1787370324 | ||||||
Subdomains
www.masterlung.com |
Same first word
masterlung.com |
Similar names
Previous names
Next names
DNS History
10 records (5 active, 5 former)
●NSa.share-dns.com2026-08-18 → 2026-08-22 · 3 obs
● 2026-08-18 01:55:42
● 2026-08-22 03:46:16
●NSa7.share-dns.com2026-08-18 → 2026-08-22 · 3 obs
● 2026-08-18 01:55:42
● 2026-08-22 03:46:16
●NSb.share-dns.net2026-08-18 → 2026-08-22 · 3 obs
● 2026-08-18 01:55:42
● 2026-08-22 03:46:16
●NSb7.share-dns.net2026-08-18 → 2026-08-22 · 3 obs
● 2026-08-18 01:55:42
● 2026-08-22 03:46:16
○NSns1.server277.com2015-08-17 → 2020-01-13 · 4 obs
● 2020-01-13 07:18:30
○ 2026-08-18 01:55:42
○ 2026-08-22 03:46:16
○NSns2.server277.com2015-08-17 → 2020-01-13 · 4 obs
● 2020-01-13 07:18:30
○ 2026-08-18 01:55:42
○ 2026-08-22 03:46:16
○MXmail.masterlung.com2015-08-17 → 2020-01-13 · 4 obs
● 2020-01-13 07:18:30
○ 2026-08-18 01:55:42
○ 2026-08-22 03:46:16
○A192.252.144.562017-03-15 → 2020-01-13 · 5 obs
● 2017-03-15 22:10:46
● 2020-01-13 07:18:30
○ 2026-08-18 01:55:42
○ 2026-08-22 03:46:16
●A198.23.139.542026-08-18 → 2026-08-22 · 3 obs
● 2026-08-18 01:55:42
● 2026-08-22 03:46:16
○A64.14.68.612015-08-17 → 2016-07-07 · 4 obs
● 2016-07-07 06:13:04
○ 2017-03-15 22:10:46
○ 2026-08-22 03:46:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net... | - |
| masterlung.com | b7.share-dns.net, a7.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b7.share-dns.net, a7.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterlung.com (unsigned zone)
⏱️ Timing
Total: 422ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.23.139.54 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a7.share-dns.com)
Analysis
Hierarchy
The domain www.masterlung.com falls under the parent masterlung.com.
IP Addresses
masterlung.com resolves to just one IP address, 198.23.139.54.
Other hosts including www.masterlung.com, vbcsingles.com and kjcypx.com share IP addresses with masterlung.com.
Name Servers
The NS records for masterlung.com point to four name servers: a7.share-dns.com, a.share-dns.com, b7.share-dns.net and b.share-dns.net.
At least some of masterlung.com's name servers are shared with other domains, for example 8385f.com, 502650.com, 6hongbo.com and two more.
These name servers tend to co-occur with a1.share-dns.com, b1.share-dns.net, a5.share-dns.com and 7 other name servers in the same DNS delegations.
a7.share-dns.com resolves to 172.64.53.25, as does a.share-dns.com. b7.share-dns.net resolves to 172.64.52.239, as does b.share-dns.net.
a7.share-dns.com and a.share-dns.com are host names that each point to 172.64.53.25 IP addresses.
b7.share-dns.net and b.share-dns.net are host names that each point to 172.64.52.239 IP addresses.